ITRI


Line plots across dimensions of each concept
Line plots across concepts
Tables

Table of contents



us-gaap:CommonStockValue

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesOutstanding
us-gaap:StatementEquityComponents

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted
us-gaap:AwardType
us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:CostOfGoodsAndServicesSold
us-gaap:ProductOrService

us-gaap:GrossProfit
us-gaap:StatementBusinessSegments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxesPaidNet

us-gaap:InterestExpense

us-gaap:InterestPaidNet

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:NonoperatingIncomeExpense

us-gaap:OperatingExpenses

us-gaap:OperatingIncomeLoss
us-gaap:ConsolidationItems
us-gaap:StatementBusinessSegments

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:ProfitLoss
us-gaap:StatementEquityComponents

us-gaap:ResearchAndDevelopmentExpense

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ProductOrService
us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments
us-gaap:StatementGeographical

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:Assets

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:AccountsReceivableNetCurrent

us-gaap:ReceivablesNetCurrent

us-gaap:InventoryNet

us-gaap:OtherAssetsCurrent

us-gaap:Land

us-gaap:MachineryAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:ConstructionInProgressGross

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AmortizationOfIntangibleAssets

us-gaap:PropertyPlantAndEquipmentNet
us-gaap:StatementGeographical

us-gaap:Goodwill
us-gaap:StatementBusinessSegments

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OtherAssetsNoncurrent

us-gaap:AccountsPayableCurrent

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:LiabilitiesCurrent

us-gaap:LongTermDebtCurrent
us-gaap:LongtermDebtType

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OtherLiabilitiesCurrent

us-gaap:TaxesPayableCurrent

us-gaap:LongTermDebt
itri:InterestRateType, us-gaap:LongtermDebtType
us-gaap:LongtermDebtType

us-gaap:LongTermDebtNoncurrent
us-gaap:LongtermDebtType
us-gaap:LongtermDebtType
us-gaap:DeferredFinanceCostsNoncurrentNet

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:MinorityInterest

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:OperatingLeaseLiability

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:MinorityInterest

us-gaap:StockIssuedDuringPeriodValueNewIssues
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:AmortizationOfFinancingCosts

us-gaap:DepreciationDepletionAndAmortization
us-gaap:ConsolidationItems
us-gaap:StatementBusinessSegments

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInInventories

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss

us-gaap:ProfitLoss
us-gaap:StatementEquityComponents

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:RepaymentsOfLongTermDebt
us-gaap:LongtermDebtType
us-gaap:DebtInstrumentInterestRateStatedPercentage

us-gaap:EffectiveIncomeTaxRateContinuingOperations
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod

us-gaap:DeferredTaxLiabilities
us-gaap:Restatement

us-gaap:DeferredTaxAssetsNet

us-gaap:UnrecognizedTaxBenefits

us-gaap:DeferredTaxAssetsValuationAllowance

itri:CashReceiptsPaymentsForRestructuring
us-gaap:RestructuringCostAndReserve

itri:ClassOfWarrantOrRightAggregateProceedsFromTransaction

itri:ContractwithCustomerLiabilityRevenueRecognizedFromCurrentPeriod

itri:ContractwithCustomerOtheradjustments

itri:DefinedBenefitPlanSettlementAndOtherBenefitCosts
us-gaap:DerivativeInstrumentRisk
itri:DerivativePurchasePrice

itri:DisposalGroupIncludingDiscontinuedInterestReceived
us-gaap:DisposalGroupClassification
itri:DisposalGroupIncludingDiscontinuedOperationWorkingCapital
us-gaap:DisposalGroupClassification
itri:DisposalGroupIncludingDiscontinuedPaymentsReceived

itri:EffectOfChangeInExchangeRates

itri:FiniteLivedIntangibleAssetsDisposedInSaleOfBusiness

itri:GainLossOnRestructuring

itri:IncreaseDecreaseInWarranty

itri:OperatingLeaseRightOfUseAssetsAmortization

itri:ProductWarrantyExpenseBenefit

itri:PurchasesOfConvertibleNoteHedgeContractsNetOfTax
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
itri:StockIssuedDuringPeriodSharesNewIssuesEquityOffering

itri:StockIssuedDuringPeriodValueNewIssuesEquityOffering
us-gaap:StatementEquityComponents

itri:UnrestrictedStockAwardsCompensationExpense

itri:WriteOffOfPrepaidDebtFeesOnSeniorNotes
us-gaap:StatementScenario

us-gaap:AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts
us-gaap:StatementEquityComponents

us-gaap:AllowanceForDoubtfulAccountsReceivableWriteOffs
us-gaap:MajorCustomers, us-gaap:ConcentrationRiskByBenchmark
us-gaap:ConcentrationRiskPercentage1

us-gaap:ContractWithCustomerAssetCumulativeCatchUpAdjustmentToRevenueModificationOfContract

us-gaap:ContractWithCustomerAssetReclassifiedToReceivable

us-gaap:ContractWithCustomerLiabilityRevenueRecognized
us-gaap:VariableRate
us-gaap:DebtInstrumentBasisSpreadOnVariableRate1

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses

us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets

us-gaap:DefinedBenefitPlanInterestCost

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost

us-gaap:DefinedBenefitPlanServiceCost

us-gaap:Depreciation

us-gaap:DisposalGroupIncludingDiscontinuedOperationForeignCurrencyTranslationGainsLosses
us-gaap:DisposalGroupClassification

us-gaap:EarlyRepaymentOfSeniorDebt
us-gaap:StatementScenario

us-gaap:EffectOfExchangeRateOnCashAndCashEquivalents

us-gaap:EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense

us-gaap:FiniteLivedIntangibleAssetsForeignCurrencyTranslationGainLoss
us-gaap:IncomeStatementLocation
us-gaap:GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments

us-gaap:GainLossOnSaleOfBusiness

us-gaap:GainLossOnSaleOfOtherAssets

us-gaap:GoodwillForeignCurrencyTranslationGainLoss
us-gaap:StatementBusinessSegments

us-gaap:GoodwillPurchaseAccountingAdjustments

us-gaap:IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInDeferredIncomeTaxes

us-gaap:IncreaseDecreaseInDeferredRevenue

us-gaap:IncreaseDecreaseInEmployeeRelatedLiabilities

us-gaap:IncreaseDecreaseInOtherCurrentAssets

us-gaap:IncreaseDecreaseInOtherNoncurrentAssets

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:InterestIncomeOther

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax

us-gaap:OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax

us-gaap:OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBeforeReclassificationAdjustmentsTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax
us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax

us-gaap:OtherComprehensiveIncomeLossTax

us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax

us-gaap:OtherNoncashIncomeExpense

us-gaap:PaymentsForHedgeFinancingActivities

us-gaap:PaymentsForProceedsFromBusinessesAndInterestInAffiliates

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsOfDebtIssuanceCosts
us-gaap:LongtermDebtType
us-gaap:ProceedsFromConvertibleDebt

us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:ProceedsFromIssuanceOfPrivatePlacement

us-gaap:ProceedsFromIssuanceOfWarrants
us-gaap:StatementEquityComponents

us-gaap:ProceedsFromLongTermLinesOfCredit

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProductWarrantyAccrualPayments

us-gaap:ProductWarrantyAccrualPreexistingIncreaseDecrease

us-gaap:ProvisionForDoubtfulAccounts

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
us-gaap:StatementEquityComponents
us-gaap:LongtermDebtType
us-gaap:RepaymentsOfLinesOfCredit
us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

us-gaap:RestrictedStockExpense

us-gaap:RestructuringCharges
us-gaap:RestructuringCostAndReserve
us-gaap:RestructuringCostAndReserve, us-gaap:RestructuringPlan
us-gaap:RestructuringPlan

us-gaap:RestructuringCosts

us-gaap:RestructuringCostsAndAssetImpairmentCharges
us-gaap:RestructuringCostAndReserve

us-gaap:RestructuringReserveTranslationAdjustment
us-gaap:RestructuringCostAndReserve
us-gaap:SubsidiarySaleOfStock
us-gaap:SaleOfStockConsiderationReceivedOnTransaction
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType, us-gaap:PlanName
us-gaap:AwardType, us-gaap:Vesting
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
us-gaap:AwardType, us-gaap:PlanName
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
us-gaap:AwardType, us-gaap:PlanName
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1
us-gaap:AwardType, us-gaap:Vesting
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueVested
us-gaap:AwardType
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares
us-gaap:AwardType
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue

us-gaap:StandardAndExtendedProductWarrantyAccrualForeignCurrencyTranslationGainLoss

us-gaap:StandardProductWarrantyAccrualWarrantiesIssued
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesNewIssues
us-gaap:AwardType
us-gaap:StockIssuedDuringPeriodSharesRestrictedStockAwardForfeited
us-gaap:AwardType, us-gaap:Vesting
us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation
us-gaap:AwardType
us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation
us-gaap:StatementEquityComponents

us-gaap:StockOptionPlanExpense

us-gaap:TreasuryStockSharesAcquired
us-gaap:DerivativeInstrumentRisk
us-gaap:UnrealizedGainLossOnInterestRateCashFlowHedgesPretaxAccumulatedOtherComprehensiveIncomeLoss

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense

dei:EntityCommonStockSharesOutstanding
us-gaap:PlanName
itri:Authorizedsharereservereductioninawardsotherthanstockoptionsorshareappreciationrightsavailableforissueconversionratio

itri:BuildingsFurnitureAndImprovements

itri:ComputersAndSoftwareGross

itri:ContractwithCustomernet

itri:DeferredTaxAssetsDepreciationAndAmortization

itri:DeferredTaxAssetsLeases

itri:DeferredTaxLiabilitiesDepreciationAndAmortization

itri:Deferredtaxassetdeferredrevenue
us-gaap:DerivativeInstrumentRisk
itri:DerivativeTerminationFee

itri:FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour

itri:FiniteLivedIntangibleAssetsAmortizationExpenseNetAfterYearFive

itri:FiniteLivedIntangibleAssetsAmortizationExpenseNetAfterYearFour

itri:FiniteLivedIntangibleAssetsAmortizationExpenseNetRemainderofFiscalYear

itri:FiniteLivedIntangibleAssetsAmortizationExpenseNetYearFive

itri:FiniteLivedIntangibleAssetsAmortizationExpenseNetYearFour

itri:FiniteLivedIntangibleAssetsAmortizationExpenseNetYearOne

itri:FiniteLivedIntangibleAssetsAmortizationExpenseNetYearThree

itri:FiniteLivedIntangibleAssetsAmortizationExpenseNetYearTwo

itri:FiniteLivedIntangibleAssetsLiabilitiesNet

itri:FiniteLivedIntangibleLiabilitiesAccretionRemainderofFiscalYear

itri:FiniteLivedIntangibleLiabilitiesAccretionYearOne

itri:FiniteLivedIntangibleLiabilitiesAccumulatedAccretion

itri:FiniteLivedIntangibleLiabilitiesNet

itri:FinitelivedintangibleliabilitiesGross

itri:LineofCreditFacilityRemainingcapacitytosupportlettersofcredit
us-gaap:Range, us-gaap:RestructuringPlan
itri:RestructuringReserveExpectedCashSettlements

us-gaap:AllowanceForDoubtfulAccountsReceivable

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1

us-gaap:ContractWithCustomerAssetGross

us-gaap:ContractWithCustomerLiability
us-gaap:FairValueByMeasurementBasis
us-gaap:ConvertibleNotesPayable
us-gaap:LongtermDebtType
us-gaap:DebtInstrumentConvertibleConversionPrice1
us-gaap:LongtermDebtType
us-gaap:DebtInstrumentFeeAmount
us-gaap:LongtermDebtType, us-gaap:SubsequentEventType
itri:InterestRateType
us-gaap:DebtInstrumentInterestRateEffectivePercentage
us-gaap:VariableRate
us-gaap:AwardType
us-gaap:DeferredCompensationShareBasedArrangementsLiabilityCurrent

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredRevenueCurrent

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsInventory

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsForeign

us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsGeneralBusiness

us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsWarrantyReserves

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesOtherComprehensiveIncome

us-gaap:DefinedBenefitPensionPlanLiabilitiesCurrent

us-gaap:DefinedBenefitPensionPlanLiabilitiesNoncurrent

us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation

us-gaap:DefinedBenefitPlanAmountsRecognizedInBalanceSheet

us-gaap:DefinedBenefitPlanBenefitObligation

us-gaap:DefinedBenefitPlanExpectedAmortizationNextFiscalYear

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo

us-gaap:DefinedBenefitPlanFairValueOfPlanAssets
us-gaap:DefinedBenefitPlanByPlanAssetCategories
us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation

us-gaap:DerivativeAssets
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeCapInterestRate

us-gaap:DerivativeCollateralObligationToReturnSecurities

us-gaap:DerivativeCollateralRightToReclaimSecurities

us-gaap:DerivativeFairValueOfDerivativeAsset

us-gaap:DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral

us-gaap:DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral

us-gaap:DerivativeFairValueOfDerivativeLiability

us-gaap:DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral

us-gaap:DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeFixedInterestRate

us-gaap:DerivativeNotionalAmount
us-gaap:DerivativeInstrumentRisk
us-gaap:Range, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

us-gaap:EmployeeRelatedLiabilitiesCurrent
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
us-gaap:Range
us-gaap:EquityMethodInvestmentOwnershipPercentage

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsGross
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:DerivativeInstrumentRisk
us-gaap:ForeignCurrencyCashFlowHedgeGainLossToBeReclassifiedDuringNext12Months
us-gaap:BalanceSheetLocation, us-gaap:HedgingDesignation
us-gaap:ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue
us-gaap:BalanceSheetLocation, us-gaap:HedgingDesignation
us-gaap:ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue
us-gaap:HedgingDesignation
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:ForeignCurrencyFairValueHedgeAssetAtFairValue

us-gaap:GoodwillImpairedAccumulatedImpairmentLoss
us-gaap:GuaranteeObligationsByNature
us-gaap:GuaranteeObligationsCurrentCarryingValue

us-gaap:IntangibleAssetsGrossExcludingGoodwill
us-gaap:DerivativeInstrumentRisk
us-gaap:InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:InterestRateDerivativeLiabilitiesAtFairValue

us-gaap:InventoryFinishedGoodsNetOfReserves

us-gaap:InventoryRawMaterialsNetOfReserves

us-gaap:InventoryWorkInProcessNetOfReserves

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths
us-gaap:LongtermDebtType
us-gaap:LettersOfCreditOutstandingAmount
us-gaap:LossContingenciesByNatureOfContingency

us-gaap:LiabilityForClaimsAndClaimsAdjustmentExpense
us-gaap:FairValueByMeasurementBasis, us-gaap:LongtermDebtType
us-gaap:LineOfCredit
us-gaap:LongtermDebtType
us-gaap:LossContingenciesByNatureOfContingency
us-gaap:FairValueByMeasurementBasis, us-gaap:LongtermDebtType
us-gaap:LineOfCreditFacilityFairValueOfAmountOutstanding
us-gaap:LossContingenciesByNatureOfContingency
us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity
us-gaap:LongtermDebtType
us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity
us-gaap:LossContingenciesByNatureOfContingency
us-gaap:FairValueByMeasurementBasis, us-gaap:LongtermDebtType
us-gaap:LoansPayableToBank
us-gaap:LongtermDebtType
us-gaap:FairValueByMeasurementBasis, us-gaap:LongtermDebtType
us-gaap:LongTermDebtFairValue

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent
us-gaap:IncomeTaxAuthority
us-gaap:OperatingLossCarryforwards

us-gaap:ProductWarrantyAccrual

us-gaap:ProductWarrantyAccrualClassifiedCurrent

us-gaap:ProductWarrantyAccrualNoncurrent
us-gaap:RestructuringCostAndReserve, us-gaap:RestructuringPlan
us-gaap:RestructuringAndRelatedCostCostIncurredToDate1
us-gaap:RestructuringPlan
us-gaap:Range, us-gaap:RestructuringPlan
us-gaap:RestructuringAndRelatedCostExpectedCost1
us-gaap:RestructuringCostAndReserve, us-gaap:RestructuringPlan
us-gaap:RestructuringPlan
us-gaap:RestructuringCostAndReserve, us-gaap:RestructuringPlan
us-gaap:RestructuringAndRelatedCostExpectedCostRemaining1
us-gaap:RestructuringPlan

us-gaap:RestructuringReserve
us-gaap:RestructuringCostAndReserve

us-gaap:RestructuringReserveCurrent

us-gaap:RestructuringReserveNoncurrent

us-gaap:RevenueRemainingPerformanceObligation
us-gaap:FairValueByMeasurementBasis, us-gaap:LongtermDebtType
us-gaap:SecuredDebt

us-gaap:SeniorNotes
us-gaap:FairValueByMeasurementBasis
us-gaap:LongtermDebtType
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumEmployeeSubscriptionRate
us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
us-gaap:AwardType
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1
us-gaap:LossContingenciesByNatureOfContingency
us-gaap:ShortTermBorrowings

us-gaap:StandardProductWarrantyAccrualCurrent

us-gaap:StandardProductWarrantyAccrualNoncurrent

us-gaap:TaxCreditCarryforwardAmount

us-gaap:UnbilledReceivablesCurrent
itri:DeferredTaxLiabilityNotRecognized1
us-gaap:UndistributedEarningsOfForeignSubsidiaries

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAccrued

us-gaap:UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
us-gaap:ValuationAllowancesAndReservesType
us-gaap:ValuationAllowancesAndReservesBalance

Plots across concepts


IncomeStatement
Net Income Loss
Expenses
Other Nonoperating Income Expense
Balance Sheet
Operating Lease Right Of Use Asset
Assets
Derivative Assets
Current Assets
Other Assets Current
NonCurrent Assets
Other Assets Noncurrent
PropertyPlantAndEquipmentNet
Property Plant And Equipment Net
Liabilities
Operating Lease Liability
Current Liabilities
Taxes Payable Current
Noncurrent Liabilities
Deferred Income Tax Liabilities Net
Stockholders Equity
Retained Earnings Accumulated Deficit
CashFlow
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInOperatingActivities
Net Income Loss
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInFinancingActivities
Net Cash Provided By Used In Financing Activities
Shares
Weighted Average Number Of Diluted Shares Outstanding
OperatingLeaseLiability
Operating Lease Liability Current
NonoperatingIncomeExpense
Nonoperating Income Expense
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Undiscounted Excess Amount
FiniteLivedIntangibleAssets
Finite Lived Intangible Assets Net
InventoryNet
Inventory Work In Process Net Of Reserves
AccountsReceivable
Allowance For Doubtful Accounts Receivable Current

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:CommonStockValue ██▃▃▃▃▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂1775.3151768.5171389.4191381.7741376.1341368.3291357.61335.3531325.5081334.7931334.3641326.7191317.7811310.3791294.7671287.8031282.0851276.2981270.4671259.7041255.3131251.2311246.6711246.1771255.1541257.7961270.0451287.9591293.5481291.691290.6291288.2211290.2261299.6111294.2131294.991304.0891313.3161319.2221343.941339.5041334.1651328.249NANANA
us-gaap:CommonStockSharesIssued ██▃▃▃▃▂▂▂▂▂▂▂▁▁45.1545.12240.44440.35640.23440.17639.94139.53339.39539.69339.49839.439.27939.18138.771NANANA38.317NANANA37.906NANANA38.591NANANA39.149NANANA39.277NANANA40.032NANANA40.431NANANA
us-gaap:CommonStockSharesOutstanding ██▃▃▃▃▂▂▂▂▂▂▂▁▁45.1545.12240.44440.35640.23440.17639.94139.53339.39539.69339.49839.439.27939.18138.771NANANA38.317NANANA37.906NANANA38.591NANANA39.149NANANA39.277NANANA40.032NANANA40.431NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding █▁45.14241.964NA40.33740.21640.474NA39.90339.68639.658NA39.90939.78938.945NA39.46739.33239.215NA38.24838.51638.376NA38.35838.43438.758NA39.49339.54439.235NA39.12739.67839.77NA39.79140.12640.216NA40.72541.07741.045NA40.82841.16140.862
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic █▁45.14241.526NA40.33740.21640.043NA39.47839.38939.658NA39.3439.24338.945NA38.71338.68338.474NA38.24838.23638.059NA38.11438.43438.442NA39.21339.35639.235NA39.12739.43139.42NA39.47239.88739.913NA40.72540.6740.546NA40.440.32940.191
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount █▁0.40.1NA0.80.90.3NA0.20.51.0NA0.50.71.0NA0.20.20.2NA0.90.91.2NA1.11.21.3NA1.11.21.6NA1.31.11.2NA0.8811.41.2NA1.40.6720.657NA1.20.664NA
us-gaap:EarningsPerShareBasic ▇██▇▇████████▆█████▇████▇█▇███▆▇██████▇▁██████-0.730.30.54-0.63-1.560.220.370.430.49-0.050.610.510.07-3.740.050.660.360.410.3-0.260.520.270.230.33-0.370.13-1.250.190.49-0.01-3.93-0.190.310.070.40.90.790.64-1.3499999999999996-12.70.850.670.66000000000000010.680.630.63
us-gaap:EarningsPerShareDiluted ▇██▇▇████████▆█████▇████▇█▇███▆▇██████▇▁██████-0.730.30.54-0.63-1.560.210.360.420.49-0.050.60.50.07-3.740.050.650.360.40.3-0.260.520.260.230.33-0.370.13-1.250.190.49-0.01-3.93-0.190.310.060.40.890.790.63-1.3499999999999996-12.70.840.660.65000000000000010.680.610.62
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 COGS Ratio us-gaap:ProductOrService us-gaap:Product▁▂▃▄▂▆█▇█▇▆▆▆▇▅▂411.719442.804451.393470.658438.985528.137556.601552.897566.047544.85516.718525.716515.914537.11492.863433.984NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 COGS Ratio us-gaap:ProductOrService us-gaap:Service██▇▆▆▆▆▆▆▆▆▆▆▆▂▁77.69376.7773.76469.52670.60970.27871.78271.57768.9969.72670.32670.24669.97670.11157.91352.763NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Gross Margin us-gaap:StatementBusinessSegments itri:DeviceSolutions▃▄▄▄▁▅▅▆▆▆▇▆▇█162.967172.781186.423176.128129.165202.279206.054213.349217.723221.755227.602220.25236.146249.367NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Gross Margin us-gaap:StatementBusinessSegments itri:NetworkedSolutionsSegment▁▃▂▄▅▆█▇▇▆▄▅▃▄265.058288.314277.418306.659324.48340.845368.69356.221355.916336.427305.132320.508296.166302.338NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Gross Margin us-gaap:StatementBusinessSegments itri:OutcomesSegment█▅█▄▃▃▁▂█▄▂▂▁▃61.38758.47961.31657.39755.94955.29153.63954.90461.39856.39454.3155.20453.57855.516NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:StatementBusinessSegments itri:DeviceSolutions▃▄▄▄▁▅▅▆▆▆▇▆▇█162.967172.781186.423176.128129.165202.279206.054213.349217.723221.755227.602220.25236.146249.367NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:StatementBusinessSegments itri:NetworkedSolutionsSegment▁▃▂▄▅▆█▇▇▆▄▅▃▄265.058288.314277.418306.659324.48340.845368.69356.221355.916336.427305.132320.508296.166302.338NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:StatementBusinessSegments itri:OutcomesSegment█▅█▄▃▃▁▂█▄▂▂▁▃61.38758.47961.31657.39755.94955.29153.63954.90461.39856.39454.3155.20453.57855.516NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 us-gaap:AllocatedShareBasedCompensationExpense us-gaap:AwardType us-gaap:PhantomShareUnitsPSUs█▁1.2251.117NA0.5821.060.433NA0.8220.5250.918NA0.7620.5870.69NA0.626NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ComprehensiveIncomeNetOfTax ▆▇▇▇▇▆▇▇▇▇▇▇▆▅▇▇▇▇▆▇▇▇▇▇▇▆▆▆▇▇▅▇▇▆▇▇▆▇▆▁▇█▇█▆-27.9860.8237.007-11.543-0.746-16.52717.0024.14223.182-3.68712.81820.504-30.616-127.7839.04541.04234.50631.554-22.984-1.35710.1217.2714.753-2.1060.274-55.79-104.022-41.58511.263-3.368-139.68714.11620.602-29.17819.67659.041-21.58353.917-95.338-594.92557.213120.335-6.678141.96-75.441NA
us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest ▄▅▂▃▃▄▁▇▄█▆▂▆▃▄▆▅▃▆▅▄▄▄▄▅▄▄▃▄▃▅▄▂▅▃▄▅▃▅▆▆▃0.6780.977-0.0140.2990.3150.478-0.351.330.6711.7581.252-0.0951.1160.3960.5941.2780.910.1691.020.9830.5850.6950.5080.630.7320.4550.4040.2450.5850.1360.8050.656-0.1980.9210.3720.6190.7160.2190.7581.3031.2680.378NANANANA
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest ▇▇▇▇▇▇▇▇▇▇▇▇▇▆▇▇▇▇▇▇▇▇▇▇▇▆▆▆▇▇▅▇▇▇▇▇▇▇▆▁▇█-27.3081.79736.993-11.244-0.431-16.04916.6525.47223.853-1.92914.0720.409-29.5-127.3879.63942.3235.41631.723-21.964-0.37410.70517.9665.261-1.4761.006-55.335-103.618-41.3411.848-3.232-138.88214.77220.404-28.25720.04859.66-20.86754.136-94.58-593.62258.481120.713NANANANA
us-gaap:CostOfGoodsAndServicesSold ▃▃▄▅▄▇█▇█▇▆▅▆▇▄▂▂▂▃▂▃▂▃▂▃▁▃▃▂▂▄▃▂▁▄▂▅▅█▇▇▅▇▅▅▃339.537352.53376.324396.933371.077426.849450.945428.07443.823427.313410.254398.865409.313427.366376.025321.429325.222320.367339.05336.11343.319334.387343.142322.126351.532310.048355.308345.692326.312320.26358.788345.407322.587307.413359.835332.266382.395388.535450.87439.377421.318379.581435.302391.888393.283340.559
us-gaap:GrossProfit ▄▅▄▃▃▆▆█▇▇▆█▆▆▆▅▆▄▄▆▆▅▄▄▁▃▄▄▅▄▅▄▅▃▅▆█▇█▆▇▇▇▇▆▄149.875167.044148.833143.251138.517171.566177.438196.404191.214187.263176.79197.097176.577179.855174.751165.318177.86157.225156.663170.749169.705163.203152.419146.966118.571138.199154.787150.762163.041154.535164.738150.084159.588140.123163.5171.797196.745183.105191.607176.178191.083184.11185.356181.763174.056157.064
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments ▇██▇▇████████▅█████▇████▇█▇██▇▆▇█▇████▇▁██████-32.66118.24121.378-37.043-57.68616.71214.19524.32928.5365.97214.25125.5027.554-156.45844.45333.49431.56725.06127.9944.52832.69519.4112.20523.469-9.510.928-53.86712.03727.692-0.771-153.252-9.34714.0920.25315.71942.44442.85535.201-65.73-511.0434.35636.68727.39241.35135.7316.271
us-gaap:IncomeTaxExpenseBenefit ▃▃▃▁▃▄▃▃▄▃▁▃▃▁█▃▅▄▅▄▄▄▃▄▃▃▂▃▄▂▃▂▃▂▂▃▄▄▁▃▃▄▃▄▄▁-0.2164.661-0.128-11.9854.8017.55-0.0756.1528.4196.121-10.8785.7153.781-11.18842.0796.6416.569.04715.32513.4312.1938.6262.42610.1443.9665.563-5.0384.4847.848-0.6530.272-2.5891.896-3.243-0.7456.54710.5649.629-11.0996.042-0.089.5670.82213.71210.419-8.979
us-gaap:IncomeTaxesPaidNet ▃▃▃▃▃▁▃▃▃▃▅▃▃▃▄▆▆▃▅▄▄▄▄▃▃█▅▄▄▂▅▃▄▃▅▆▅▅▇▄▄▃▆▅▄▃0.8862.1473.0372.6452.376-5.373.1992.2713.333.2417.4042.9411.9281.4983.54610.94313.2561.2247.086.6626.8653.686.6111.3451.98819.2459.6945.0264.393-0.8917.8422.6175.5292.6717.43113.1959.90310.2715.2246.0624.1622.6812.6958.0926.3592.996
us-gaap:InterestExpense ▇▅▅▆▆▆▆▇▇▇▇▇██▁▁▁▁▁▁▁▁▁▁▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▅▆▆▇▇▇█14.00410.47510.2310.8111.68411.27712.55412.86813.49613.53513.88314.17114.64515.5043.1332.8982.8762.6742.6042.6912.7352.9182.9532.7993.8552.6822.7653.0152.9132.9093.1652.8472.3362.3382.5212.5512.6062.4372.46410.79611.4212.11412.68813.32813.96514.923
us-gaap:InterestPaidNet ▂▂▅▁▇▆▂▇▃▇▃█▄▃▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▄▃▄▃▄▄▅4.6523.19312.9142.17817.34514.8045.26516.196.70516.6287.80819.1568.5056.8782.4772.6082.5992.4222.3292.5282.442.6242.6492.5512.7332.2652.3762.6252.4512.462.752.4721.9371.8672.152.1112.1872.0882.08310.0376.4329.4957.64910.4888.55212.626
us-gaap:NetIncomeLoss ▇██▇▇████████▆█████▇████▇█▇███▆▇██████▇▁██████-33.12312.60321.52-25.357-62.8028.68414.6216.84719.446-1.90723.87719.8822.657-145.6661.7825.57614.09715.84511.649-9.88519.91710.0898.98612.695-14.1984.91-49.2337.30819.259-0.254-154.43-7.34812.3992.5715.9635.34731.61525.353-54.631-517.08234.43627.1226.5727.63925.31125.25
us-gaap:NetIncomeLossAttributableToNoncontrollingInterest ▄▅▂▃▃▄▁▇▄█▆▂▆▃▄▆▅▃▆▅▄▄▄▄▅▄▄▃▄▃▅▄▁▅▄▄▄▃▆█▆▂0.6780.977-0.0140.2990.3150.478-0.351.330.6711.7581.252-0.0951.1160.3960.5941.2780.910.1691.020.9830.5850.6950.5080.630.7320.4550.4040.2450.5850.1360.9060.59-0.2030.9260.5040.550.6760.2191.0831.7451.1270.006NANANANA
us-gaap:NonoperatingIncomeExpense ▁▅▅▅▅▆▄▄▄▄▄▄▅▄█▇▇▇███▇▇▇▇█▇▇▇▇▇█▇█▇██▇▇▅▅▅▄▃▄▄-25.729-12.699-11.224-13.063-12.299-9.658-14.668-15.11-15.022-14.851-14.266-16.174-13.009-16.01-2.745-3.87-5.255-4.981-2.76-1.882-2.778-4.164-3.845-3.739-5.549-2.611-4.775-4.421-4.235-5.31-4.236-2.859-3.884-2.094-3.756-3.523-3.208-4.42-5.625-13.788-13.729-13.402-16.241-17.585-14.279-15.348
us-gaap:OperatingExpenses ▂▁▁▂▂▁▁▂▁▂▁▁▁▄▁▁▁▁▁▂▁▁▁▁▁▁▂▁▁▁▃▂▁▁▁▁▁▁▃█▁▁▁▁▁▁156.807136.104116.231167.231183.904145.196148.575156.965147.656166.44148.273155.421156.014320.303127.553127.954141.038127.183125.909164.339134.232139.629136.899119.758122.522124.66203.879134.304131.114149.996313.754156.572141.612137.776144.025125.83150.682143.484251.712673.43142.998134.021141.723122.827124.047125.445
us-gaap:OperatingIncomeLoss ▇██▇▇████████▅█████▇██▇█▇▇▇▇█▇▅▇▇▇████▇▁██████-6.93230.9432.602-23.98-45.38726.3728.86339.43943.55820.82328.51741.67620.563-140.44847.19837.36436.82230.04230.7546.4135.47323.57416.0527.208-3.95113.539-49.09216.45831.9274.539-149.016-6.48817.9762.34719.47545.96746.06339.621-60.105-497.25248.08550.08943.63358.93650.00931.619
 us-gaap:OperatingIncomeLoss us-gaap:ConsolidationItems us-gaap:CorporateNonSegment▇▇▇▆▆▇▇▇▇▇▁███-104.087-80.388-68.856-118.445-130.875-88.706-93.687-104.946-97.199-110.366-525.006-6.691-4.284-22.112NA-14.617-14.08-16.811NA-17.632-24.088-21.433NA-13.398-11.087-10.824NA-15.339NANANANANANANANANANANANANANANANANANA
 us-gaap:OperatingIncomeLoss us-gaap:StatementBusinessSegments itri:DeviceSolutions▅▅▃▃▁▄▄▆▆▆▆▇▇█19.98821.70112.67411.017-1.1218.19816.03627.90528.35525.45725.26733.01934.5138.192NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OperatingIncomeLoss us-gaap:StatementBusinessSegments itri:NetworkedSolutionsSegment▁▄▂▂▃▅▇█▇▆▆█▄▄64.6379.29170.63371.40477.38288.6898.331105.63798.03595.32294.897103.99881.94179.943NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OperatingIncomeLoss us-gaap:StatementBusinessSegments itri:OutcomesSegment▆▅█▆▅▄▄▅▇▅▄▄▃▁12.53710.33618.15112.0449.2268.1988.18310.84314.36710.416.6686.3724.249-0.655NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherComprehensiveIncomeLossNetOfTax ▅▄▅▅█▃▅▄▅▄▄▄▃▅▅▅▆▅▂▅▄▅▄▄▅▁▁▂▄▄▅▆▅▃▅▆▁▆5.137-11.78315.48713.81462.056-25.2112.382-12.7053.736-1.78-11.0590.622-33.27317.8837.26515.46620.40915.709-34.6338.528-9.7977.182-4.518-14.80114.472-60.7-54.789-48.893-7.996-3.11414.64221.538.208-31.7533.58423.763-53.15828.564NANANANANANANANA
us-gaap:OtherNonoperatingIncomeExpense ▁▆▆▆▆█▆▆▆▇▇▆█▇▇▇▆▆▇█▇▇▇▇▆▇▆▇▇▆▇▇▇▇▇▇▇▆▆▆▆▇▅▅▇▇-12.157-2.766-1.827-2.607-1.8731.066-2.584-2.759-2.06-1.644-0.811-2.4341.003-1.167-0.27-1.701-2.849-2.576-0.4270.707-0.264-1.517-1.213-1.12-1.9070.024-2.191-1.569-1.375-2.498-1.29-0.158-1.742-0.817-1.52-1.269-0.779-2.176-3.392-3.147-2.477-1.596-3.701-4.423-0.425-0.592
us-gaap:ProfitLoss ▇██▇▇████████▆█████▇████▇█▇███▆▇██████▇▁██-32.44513.5821.506-25.058-62.4879.16214.2718.17720.117-0.14925.12919.7873.773-145.272.37426.85415.00716.01412.669-8.90220.50210.7849.77913.325-13.4665.365-48.8297.55319.844-0.118-153.524-6.75812.1963.49616.46435.89732.29125.572-53.548-515.33735.56327.126NANANANA
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents us-gaap:NoncontrollingInterest▁█0.6780.977NA0.2990.3150.478NA1.330.6711.758NANANA0.396NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents us-gaap:Parent▁█-33.12312.603NA-25.357-62.8028.684NA16.84719.446-1.907NA19.8822.657-145.666NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings▁█-33.12312.603NA-25.357-62.8028.684NA16.84719.446-1.907NANANA-145.666NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ResearchAndDevelopmentExpense ▅▆▄▄▅▆▆▆▅▅▄▅▇█▄▃▄▃▃▃▄▄▂▃▄▃▄▃▄▄▅▃▄▄▄▄▄▄▃▂▃▃▃▁▁▁48.76351.72745.10246.22448.99453.78151.64950.61249.44950.4945.60747.23954.77560.28443.43842.5643.11140.86840.12339.38643.35445.34635.93541.55943.31841.52244.78942.30343.99944.40946.83541.49543.48144.20844.35843.29946.6444.35642.48138.67240.93140.44540.12934.03833.02233.04
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax ▃▄▄▄▃▆▇▇█▇▆▆▆▇▅▂▃▂▃▃▃▃▃▂▂▁▃▃▃▂▄▃▂▁▄▃▆▅█▇▇▅▇▆▅▃489.412519.574525.157540.184509.594598.415628.383624.474635.037614.576587.044595.962585.89607.221550.776486.747503.082477.592495.713506.859513.024497.59496.448469.092470.103448.247510.095496.454489.353474.795523.526495.491482.175447.536523.335504.063579.14571.64642.477615.555612.401563.691620.658573.651567.339497.623
us-gaap:SellingGeneralAndAdministrativeExpense ▂▂▁▁▂▂▃▃▃▃▃▃▃█74.14475.99261.90264.98269.53880.49882.23283.66688.25992.71590.37789.55688.863154.414NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:Assets ▅▇▆███▆▆▆▆▆▆▆▆▃▂▂▁▁▂▂▂▁▁▂▁▂▂▂▂▂▃▃▃▃▃▃▃▃▄▇▇▆2488.5852927.9682607.0233015.9243012.1423071.7472707.8412675.8882706.3542696.6192608.9822596.7422643.5732736.5292106.1471817.9381779.6241673.9231577.8111708.1251702.0331719.6771681.3631670.2011698.6691639.2181710.3051787.9291871.751884.1991882.5112065.0952049.9082021.5252089.4412047.3352060.9132098.4792064.2822241.6782946.6792849.7162745.797NANANA
us-gaap:Liabilities ▃▅▅███▆▆▆▆▆▆▆▇▃▂▂▁▁▂▂▂▂▂▂▁▁▁▁▁▁▂▂▂▂▂▂▂▂▂▃▃▃1287.9271706.81766.752218.6592209.2732276.2521907.0261913.9721959.7551964.5881874.9341884.411960.5872031.9261300.5151027.4171036.127971.316927.4581046.1331044.0591074.4491058.661035.3931053.408992.321995.824950.922987.8141013.3991009.541054.6551052.2351034.8711079.9281057.0931121.2321128.7041157.3571214.6971329.2091294.7981317.502NANANA
us-gaap:LiabilitiesAndStockholdersEquity ▅▇▆███▆▆▆▆▆▆▆▆▃▂▂▁▁▂▂▂▁▁▂▁▂▂▂▂▂▃▃▃▃▃▃▃▃▄▇▇▆2488.5852927.9682607.0233015.9243012.1423071.7472707.8412675.8882706.3542696.6192608.9822596.7422643.5732736.5292106.1471817.9381779.6241673.9231577.8111708.1251702.0331719.6771681.3631670.2011698.6691639.2181710.3051787.9291871.751884.1991882.5112065.0952049.9082021.5252089.4412047.3352060.9132098.4792064.2822241.6782946.6792849.7162745.797NANANA
us-gaap:StockholdersEquity ▅▅▂▂▂▂▂▂▂▂▂▂▁▂▂▂▂▂▁▁▁▁▁▁▁▁▂▂▃▃▃▄▄▄▄▄▃▃▃▄██▇1175.2781196.466816.548771.896777.799770.74776.538737.289723.302709.405712.663692.2662.758685.972786.416770.406723.647683.354631.604643.825640.791626.589604.758615.45626.533628.901696.94818.876866.05852.929855.236992.647980.404969.187992.967974.068924.126954.936906.9251026.9811617.471554.9181428.295NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AssetsCurrent ▂▇▃███▄▄▃▃▃▂▃▃▂▂▂▂▁▂▂▂▁▂▂▁▁▂▂▂▂▂▂▂▂▂▂▃▂▃▃▃▃842.91260.101930.2621352.1711354.8281387.726997.251967.023962.596934.977896.141868.185896.75932.638849.742834.395798.96805.823732.466831.68804.748801.053758.94806.152811.773758.419758.686795.072825.941822.409799.366816.788811.468784.41820.95817.421844.349900.432840.354880.353958.839891.715882.217NANANA
us-gaap:CashAndCashEquivalentsAtCarryingValue ▃█▃█▇█▂▂▂▁▁▁▂▂▂▂▂▂▂▂▂▂▂▁▂▁▁▁▁▂▁▁▁▁▂▁▁▂▂▂▂▂▂▂▂▁207.131574.592206.933586.167544.823554.52149.904140.938135.736110.828120.221109.044162.882143.951176.274137.584127.88187.928133.565151.38132.014132.615131.018109.458128.814118.084112.371122.475114.78146.327124.805122.047103.662101.561136.41191.474102.8154.438133.086129.514168.284133.412169.477148.114137.371123.418
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▂█▂█▇█▂▁▁▁▁▁▂▂▇▁▁▂▁207.131574.592206.933586.167544.823554.52149.904141.7137.853112.965122.328111.15165.042145.468487.335137.584127.88187.928133.565NANANA131.018NANANA112.371NANANANANANANANANANANANANANANANANANANA
us-gaap:AccountsReceivableNetCurrent ▁▂▂▂▃▆▇▆▇█▇▇▆█▅▄▄▂▂▃▂▃▂▂▁▁▂▂▃▂▃▂▃▄▅▄▆▅▅▅▅▄▅286.539319.052318.269314.183330.283398.025415.887410.391426.936438.692416.503422.567412.848448.211369.047351.255345.738307.065299.87319.929317.51321.814298.55298.895286.093284.218312.302310.261341.937310.927328.24316.732330.956356.228375.326363.111394.065389.178371.641377.107377.835361.991371.662NANANA
us-gaap:ReceivablesNetCurrent ▂▃▃▄▅▇█▇▇█▆▇▆█▄▃▃▂▂▃▃▃▁▂▂▁▂▂▃▂▂▂▃336.071365.826369.828386.92411.2463.613472.925468.477466.366473.077437.161449.592443.394481.389398.029376.149374.18344.411351.506368.71369.251368.432330.895340.423338.196324.706348.389342.48369.473341.547356.709349.292372.24NA375.326NANANANANANANANANANANA
us-gaap:InventoryNet ▃▂▃▅▆▆▆▆▆▆▆▅▄▅▄▅▄▃▂▃▃▃▄▅▄▂▁▄▄▄▃▄▄▃▂▄▄▅▄▇██▅179.347169.412182.377205.178226.564221.85227.896231.081229.91221.097220.674208.038195.056209.373193.835207.703203.634178.06163.049189.553188.181189.01190.465214.237195.394168.161154.504190.689192.413192.573177.467194.702190.414182.454170.719201.775196.647210.658195.837240.565253.079248.358208.157NANANA
us-gaap:OtherAssetsCurrent ▄▆███▆▆▅▅▅▄▃▂▂▁▄▂▂▁▄▄▃▃▃▃▃▃▃▄▃▃▃▄▃▃▃▂▂▁▂▃▂▁120.351150.271171.124173.906172.241147.743146.526126.527130.584129.975118.085101.51195.41897.92581.604112.95993.26695.42484.346122.037115.302110.996106.562106.059111.248109.768104.307104.847112.172104.967103.275108.614112.014111.015104.958102.19592.66287.43181.61888.214104.49692.72177.57NANANA
us-gaap:Land ▁▂▂▂▂▂▂▂▂▂▂▂▂▂▃▃▃▃▃▃▃▄▃▄▄▄▄▄▅▅▅▅▅▅▅▆▆▆▆██12.12113.914.30313.77113.77114.53814.98814.76315.20115.06314.9815.46315.45716.63818.43318.59618.16117.60417.17918.06919.75320.00919.88220.75821.23820.79321.18622.76423.95724.03924.00525.07524.66324.51825.31827.4627.18328.63226.12632.40233.879NA35.968NANANA
us-gaap:MachineryAndEquipmentGross ███▂▁▃▅▄▅▄▄▄335.805333.973334.05306.367302.385311.771323.003316.787321.155318.695315.974318.218NANA310.753NANANA279.746NANANA289.015NANANA287.448NANANA309.525NANA284.291287.791278.615269.433276.719269.611281.205284.431NA265.113NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:PropertyPlantAndEquipmentGross ███▆▆▇█▇█▇▇▇▇█▆▄▄▃▂▃▃▄▃▃▃▂▃▄▅▅▅▅▄▃▃▂▁▂▁▂▃649.305647.447651.23619.233622.495634.253651.876639.633643.592634.018630.997637.719628.333651.928609.082589.595583.246561.625547.088568.508572.503575.219573.377561.488563.522548.111564.314588.134603.201596.226593.367594.461580.298566.528570.377555.712536.998550.321531.373556.209563.791NA531.35NANANA
us-gaap:ConstructionInProgressGross ▅▄▄▄▆▆█▇▇▆▇▆▆▆▆▅▄▄▄▃▃▄▄▃▃▃▂▂▂▁▁▂▄▄▃▃▂▂▂▂▃36.55530.20731.42533.66143.12545.59654.4951.30651.145.23749.68241.42345.3741.95939.94637.84632.03629.61229.35826.95627.72532.56732.63924.78423.33222.69121.00716.7318.12313.39314.25717.9733.52930.10826.09723.39119.21219.93620.68720.10424.6NA20.531NANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment ███▇▆▆▇▇▇▆▆▇▆▇▆▆▆▅▅▆▅▆▅▅▅▄▄▅▅▅▄▄▄▃▃▃▂▂▁▁▁453.096447.797443.414413.303406.176408.328418.648413.975415.079409.08404.446416.924404.898417.004408.314396.811396.74382.978370.63387.641384.804385.215383.121371.193368.012355.33356.525365.78368.361358.9346.547345.389330.926317.916315.165304.009284.913286.518268.703268.644262.333NA232.108NANANA
us-gaap:AmortizationOfIntangibleAssets ▃▃▄▄▄▄▇▇▇▇████▂▂▁▁▂▁▃▂▃▃▃▃▄▄▄▄▄▄▄▄▅▅▅▅▇▇▇▇█▇▇█8.9978.97311.22311.18311.1411.16516.10116.09516.11716.018.01417.9617.99917.745.6415.6254.974.5496.114.9967.7966.217.9437.8697.8887.97310.60810.91711.10911.0710.6410.38810.24710.74411.94311.92912.02511.91315.58716.01316.19715.59717.59216.88216.76617.811
us-gaap:PropertyPlantAndEquipmentNet ▂▂▃▃▃▄▄▄▄▄▄▃▄▄▂▂▂▁▁▁▂▂▂▂▂▂▃▄▄▄▅▅▅▅▅▅▅▆▆▇███196.209199.65207.816205.93216.319225.925233.228225.658228.513224.938226.551220.795223.435234.924200.768192.784186.506178.647176.458180.867187.699190.004190.256190.295195.51192.781207.789222.354234.84237.326246.82249.072249.372248.612255.212251.703252.085263.803262.67287.565301.458296.008299.242NANANA
us-gaap:Goodwill ▆▆▇▆▆▆▆▆▆▆▆▆▆▇▂▂▂▁▁▁▁▁▁▁▁▁▁▂▂▂▂▃▃▃▃▃▃▃▃▃██▇▇▇1123.1551118.3221131.9161114.5111101.6481100.3281103.9071097.4081110.0611106.3051116.5331121.8951119.4091142.757555.762550.732541.071462.906452.494475.705471.746475.872468.122474.965471.648462.718500.82515.641541.539546.437548.578712.71696.215683.215701.016687.432664.44650.996636.91714.6061311.7711294.4521209.3761236.5831146.082NA
us-gaap:IntangibleAssetsNetExcludingGoodwill ▂▂▃▃▃▄▄▅▅▆▆▇▇█▂▂▂▁▁▁▁▂▂▂▂▂▃▃▄▄▅▅▅▅▆▆▆▆▆▆▇█▇113.672122.861132.955144.888157.125170.81185.097202.321221.767239.988257.583278.192296.778318.98495.228100.289104.14469.48572.15182.73387.10596.386101.932111.767117.136122.431139.909155.432172.927184.052195.84204.63210.849221.147238.771247.636254.017234.313239.5264.223292.93304.776291.67NANANA
us-gaap:FiniteLivedIntangibleAssetsNet ▂▃▃▃▄▄▄▅▅▆▆▇▇█▂▂▂▁▁▁▂▂▂▂▂▃▃▃▄▄▅▅▅▅▆113.672122.861132.955144.888157.125170.81185.097202.321221.767237.088254.483275.092290.378311.38495.22899.579103.43469.48572.15182.73387.10596.386101.932111.767117.136122.431139.909155.432172.927184.052195.84204.63210.849221.147238.771NANA234.313239.5264.223292.93NA291.67NANANA
us-gaap:DeferredTaxAssetsLiabilitiesNet NANA74.221NANANA62.09NANANA63.287NANANA48.446NANANA91.04NANANA107.664NANANA109.714NANANA84.606NANANA61.408NANANA48.034NANANA35.542NANANA
us-gaap:OperatingLeaseRightOfUseAsset ▇█████████▁72.05974.81576.27678.1978.77776.61279.77378.38679.45677.8880.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAssetsNoncurrent ▄▆▅▅▄▅▄▄▄▅▄▅▅▅▄▄▆▅▅▄▅▅▅▂▂▁▂▂▂▂▂▂▁▂▂▂▂▂▇██▄▁41.29357.59951.65647.92945.6148.28244.68644.99840.91846.94445.28848.74646.78746.84343.66644.07252.88150.16650.12945.33248.32448.20152.72627.19228.74126.3928.50331.60431.86232.10233.02728.55626.60730.46828.90829.87529.5230.25662.70466.87868.96742.51623.759NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AccountsPayableCurrent ▁▁▃▄▄██▇██▇▆▄▆▅▃▃▂▁▂▂▂▂▂▃▂▂▂▃▃▂▂▂▂▃▃▄▄▄▅▅▅▄175.546181.606215.639232.236240.221326.433328.128315.394320.582331.441309.951274.95249.013275.702262.166212.564208.379194.012172.711203.986192.169201.001185.827201.45226.512196.117184.132203.175209.08210.675199.769202.65203.092197.759227.739219.945234.714245.983246.775260.148268.462252.592241.949NANANA
us-gaap:ContractWithCustomerLiabilityCurrent ██▅▆▇▆▃▂▂▁▂▂130.118130.403112.928117.729124.834118.23199.55694.98995.19787.93793.62192.35NANA41.438NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LiabilitiesCurrent ▂█▃▃▄▅▅▅▅▅▄▄▄▄▂▂▂▂▁▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▆▅▅514.365909.562549.899586.705601.679667.094671.391684.603670.16665.878652.707615.845595.497638.008507.783498.394504.787464.791413.046479.222494.138517.76477.774471.955485.619478.711496.775475.175492.561494.163455.012467.04456.4448.918467.373464.318498.151509.01510.722507.943747.093713.819703.734NANANA
us-gaap:LongTermDebtCurrent NA400.018.35921.40614.0636.7190.038.7526.56322.528.43824.37520.31316.2519.68818.28116.87515.46914.06312.65611.2511.2511.2511.2511.2530.030.030.030.028.12526.2524.37522.520.62518.7516.87515.015.015.015.0234.449231.682228.721NANANA
 us-gaap:LongTermDebtCurrent us-gaap:LongtermDebtType us-gaap:SecuredDebtNA400.018.35921.40614.0636.7190.038.7526.56322.528.43824.37520.31316.2519.68818.28116.87515.46914.06312.65611.2511.2511.2511.2511.2530.030.030.030.028.12526.2524.37522.520.62518.75NANANANANANANANANANANA
us-gaap:OperatingLeaseLiabilityCurrent NANA16.243NANANA17.04916.16115.45314.451NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherLiabilitiesCurrent ▅▅▅▆▄▄▄▄▅▅▅▅▆▇▄▃▄▃▂▃▅▅▆▅▄▆█▄▅▅▅▆▃▃▃▄▅▄▃▁▂▂▃70.52570.8972.59176.50963.42964.63963.78562.01769.13970.87670.13672.38584.64790.25956.73655.30560.12446.35943.62549.3466.40173.75378.6368.1460.63478.683100.94562.03969.06475.96970.76877.44954.98851.94649.9562.2568.88957.53753.73431.19841.6344.84849.243NANANA
us-gaap:TaxesPayableCurrent ▃▃▃▃▅▄▆▄▄▄▃▅▄▆▄▅▃▄▂▄▄▃▃▃▄▄▆▄▃▃▂▃▃▃▁▁▂▃▂▆██▅14.23514.25615.80415.48219.87816.71322.19318.02617.11516.58514.75320.55817.71322.65916.121.08215.39518.73610.45118.29516.18415.87714.85913.2116.43518.7421.95118.49114.17214.81910.713.9415.48113.6979.3058.75411.92814.97111.52623.81227.97629.22219.725NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:LongTermDebt ▂▅▅███▅▆▃▃▃▃▄▄▁491.094921.094936.0941350.1561350.1561350.156950.156987.5615.625623.75637.813651.875741.938745.777319.477NANANA305.292NANANA371.212NANANA323.969NANANA378.75NANANA417.5421.25455.0438.752452.502496.252575.57NA610.941NANANA
us-gaap:LongTermDebtNoncurrent ▂▂▅███▅▅▆▆▆▆▆▇▃▁▁▁▁▁▁▁▂▂▂▁▁▁▁▁▁▂▂▂▂▂▂▂▂▂▁▁▂479.034496.531902.5771313.4591320.0041326.556932.482930.394969.71980.979988.1851005.3771098.5671105.538593.572303.949307.484288.266290.46330.042333.535336.908359.962369.457361.708331.31293.969280.0297.5320.0352.5375.0387.5378.125398.75404.375440.0423.752437.502481.252341.121341.563382.22NANANA
 us-gaap:DeferredFinanceCostsNoncurrentNet us-gaap:LongtermDebtType itri:UsdDenominatedTermLoan▂▃▅▄▄▅▅▅▆▆▇▇██▁▁▁▁▁▁▁▂▂1.081.7983.4693.0173.2323.4463.6613.7584.174.5124.8595.2085.5595.9120.6290.5740.6380.7030.7690.8370.9040.9771.047NANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DeferredFinanceCostsNoncurrentNet us-gaap:LongtermDebtType us-gaap:ConvertibleDebtSecurities▁█10.9811.647NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DeferredFinanceCostsNoncurrentNet us-gaap:LongtermDebtType us-gaap:SeniorNotesNA11.11811.68912.27412.85713.43514.01314.59815.18215.75916.33116.91517.49918.0775.588NANANA0.0NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:DeferredIncomeTaxLiabilitiesNet ▄▃█▅▂▁▃1.8321.8061.9211.8541.7941.7741.809NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:MinorityInterest ██▇███▇█▇▆▅▅▅▄▄▅▄▄▄▃▃▄▃▄▄▃▃▃▃▃▃▃▃▃▂▂▂▁▁25.3824.70223.72525.36925.0724.75524.27724.62723.29722.62621.38520.13220.22818.63119.21620.11519.8519.25318.74918.16717.18318.63917.94519.35818.72817.99617.54118.13117.88617.87117.73517.79317.26917.46716.54616.17415.55514.83914.62NANANANANANANA
us-gaap:OtherLiabilitiesNoncurrent ▃▃▄▅▃▃▄▅▆▆▅▇▇█▂▄▄▄▄▅▄▄▄▂▂▁▂▂▂▁▂▂▂▂▂▂▁▁▂▂▂▂▂97.334100.512113.012133.552105.557104.708118.981126.268139.786140.637127.739152.021156.406171.31888.206111.553113.017109.346117.953130.177108.435111.242115.64581.62886.36672.5584.43787.92784.60879.5881.91782.66481.22980.26380.181.19974.81173.48388.03788.74486.94285.07389.315NANANA
us-gaap:OperatingLeaseLiabilityNoncurrent ▇█████████▁62.78565.82266.82368.84769.33766.28768.91967.02468.38766.8650.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo NANA16.001NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree NANA15.144NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour NANA13.745NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA13.242NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NANA17.484NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:StockholdersEquity ▅▅▂▂▂▂▂▂▂▂▂▂▁▂▂▂▂▂▁▁▁▁▁▁▁▁▂▂▃▃▃▄▄▄▄▄▃▃▃▄██▇1175.2781196.466816.548771.896777.799770.74776.538737.289723.302709.405712.663692.2662.758685.972786.416770.406723.647683.354631.604643.825640.791626.589604.758615.45626.533628.901696.94818.876866.05852.929855.236992.647980.404969.187992.967974.068924.126954.936906.9251026.9811617.471554.9181428.295NANANA
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest ██▄▃▃▃▃▃▂▂▂▂▂▂▃▃▂▂▁▁▁▁▁▁▁▁▂▄▄▄▄▆▅▅▆▅▅▅▄1200.6581221.168840.273797.265802.869795.495800.815761.916746.599732.031734.048712.332682.986704.603805.632790.521743.497702.607650.353661.992657.974645.228622.703634.808645.261646.897714.481837.007883.936870.8872.9711010.44997.673986.6541009.513990.242939.681969.775921.545NANANA1439.208NANANA
us-gaap:CommonStockValue ██▃▃▃▃▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂1775.3151768.5171389.4191381.7741376.1341368.3291357.61335.3531325.5081334.7931334.3641326.7191317.7811310.3791294.7671287.8031282.0851276.2981270.4671259.7041255.3131251.2311246.6711246.1771255.1541257.7961270.0451287.9591293.5481291.691290.6291288.2211290.2261299.6111294.2131294.991304.0891313.3161319.2221343.941339.5041334.1651328.249NANANA
us-gaap:RetainedEarningsAccumulatedDeficit ▁▂▁▁▁▂▂▂▂▁▁▁▁▁▂▂▂▂▂▂▂▁▁▁▁▁▁▂▂▂▂▃▃▃▃▃▃▂▂▃██▇-454.865-421.742-434.345-455.865-430.508-367.706-376.39-391.01-407.857-427.303-425.396-449.273-469.155-471.812-337.873-339.654-365.229-379.326-409.536-421.185-411.3-431.217-441.306-433.184-445.879-431.681-436.591-387.358-394.666-413.925-413.671-259.241-251.893-264.292-266.862-282.822-318.169-349.784-375.137-320.506196.576162.14135.02NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▃▃▃▃▂▁▂▂▂▂▂▂▂▃▂▂▂▁▁▂▂▂▂▂▂▂▃▄▅▆▆▅▅▅▅▅▅▆▅▆█▇▅-145.172-150.309-138.526-154.013-167.827-229.883-204.672-207.054-194.349-198.085-196.305-185.246-185.868-152.595-170.478-177.743-193.209-213.618-229.327-194.694-203.222-193.425-200.607-197.543-182.742-197.214-136.514-81.725-32.832-24.836-21.722-36.333-57.929-66.132-34.384-38.1-61.794-8.596-37.163.54781.3958.613-34.974NANANA
 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents itri:AccumulatedNetGainLossfromDerivativeandNonderivativeInstrumentsDesignatedasHedgingInstruments▄▅▃▂▂▃▄▅▄▆▆█▇▇▅▅▅▅▄▂▁▂▅▄▄▄▄▄▃▃▃▃▄▃▃▃-14.693-13.473-16.001-17.26-17.259-15.87-15.103-13.983-14.678-13.044-13.179-10.851-11.759-12.245-13.414-14.15-14.276-14.045-14.337-17.252-17.794-16.668-14.062-15.068-15.139-15.262-15.148-15.192-15.592-15.473-15.636-15.805-15.297-16.142-16.069-16.057NANA-14.38NANANANANANANA
 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents itri:AccumulatedOtherComprehensiveIncomeNetUnrealizedGainLossOnNonderivativeInstruments▁▁▁▁▁▁█▁▁█▁▁██▁███▁███▁████████████████-14.4-14.4-14.4-14.4-14.4-14.4-14.38-14.4-14.4-14.38-14.4-14.4-14.38-14.38-14.4-14.38-14.38-14.38-14.4-14.38-14.38-14.38-14.4-14.38-14.38-14.38-14.38-14.38-14.38-14.38-14.38-14.38-14.38-14.38-14.38-14.38-14.38-14.38-14.38NANANA-5.514NANANA
 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNANA-37.682NANANA-31.57-24.481-24.983-25.166-25.637-27.209-27.601-28.002-28.416-31.0-31.41-31.603-32.004-30.343-29.145-28.854-28.536-32.969-33.835-34.328-34.832-9.572-9.67-9.788-9.885-15.014-15.199-15.382-15.0021.9781.9831.9611.938NANANA1.086NANANA
 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesNANA-1.621NANANA-0.7230.397-0.2981.3361.2013.5292.6212.1350.9660.230.1040.3350.043-2.872-3.414-2.2880.318-0.688-0.759-0.882-0.768-0.812-1.212-1.093-1.256-1.425-0.917-1.762-1.689-1.677-0.8490.00.0NANANA-4.52NANANA
 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents us-gaap:AccumulatedTranslationAdjustmentNANA-84.843NANANA-157.999-168.59-154.688-159.875-157.489-147.186-146.508-112.348-128.648-132.593-147.523-167.97-182.986-147.099-156.283-147.903-158.009-149.506-133.768-147.624-86.534-56.961-7.570.4253.799-5.514-27.433-34.608-3.313-24.021-48.5483.823-24.718NANANA-26.026NANANA
 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents us-gaap:ParentNANA-138.526NANANA-204.672-207.054-194.349-198.085-196.305-185.246-185.868-152.595-170.478-177.743-193.209-213.618-229.327-194.694-203.222-193.425-200.607-197.543-182.742-197.214-136.514-81.725-32.832-24.836-21.722-36.333-57.929-66.132-34.384-38.1-61.794-8.596-37.16NANANA-34.974NANANA
us-gaap:MinorityInterest ██▇███▇█▇▆▅▅▅▄▄▅▄▄▄▃▃▄▃▄▄▃▃▃▃▃▃▃▃▃▂▂▂▁▁25.3824.70223.72525.36925.0724.75524.27724.62723.29722.62621.38520.13220.22818.63119.21620.11519.8519.25318.74918.16717.18318.63917.94519.35818.72817.99617.54118.13117.88617.87117.73517.79317.26917.46716.54616.17415.55514.83914.62NANANANANANANA
us-gaap:StockIssuedDuringPeriodValueNewIssues ▁█0.4582.009NANA0.7062.247NA2.7221.4811.195NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities █▆▅▆▃▄▆▆▆▄▆▆▆▁█▄▅▇72.72549.95538.94344.7856.89218.89444.7450.03753.13924.92442.37250.50441.327-24.44876.85321.05730.18763.257NA30.75417.32233.805NA2.587NANANANANANANANA18.3790.59568.08744.61338.38754.00398.55766.10951.67936.01387.47550.0351.30765.779
us-gaap:NetCashProvidedByUsedInInvestingActivities ▆▇▇█▁▆▄▂▇▅▂-8.709-5.806-7.564-4.313-19.902-9.257-13.587-17.855-5.622-11.116-16.909NANANANANANANANANANANANANANANANANANANANANA-13.945-15.569-15.298-10.988-86.539-12.62-18.941-16.966-17.06-25.774-16.179-16.874-10.172-13.049
us-gaap:NetCashProvidedByUsedInFinancingActivities ▁▇▁▅▅█▄▄▄▄▅-432.725324.581-414.1660.6270.226401.737-23.927-27.065-23.284-23.243-12.535NANANANANANANANANANANANANANANANANANANANANA-1.573-17.243-9.012-47.1741.884-23.226-73.342-82.715-1.03-52.366-47.714-31.617-20.915-48.391
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▁█▁▅▄█▄▄▅▄-367.461367.659-379.23441.344-9.697404.6168.2043.84724.888-9.363NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AmortizationOfFinancingCosts ▄▆▃▃▃▃▅▃▃▃▃▃▃█▁▁▁▁▁▁▁▁▁▁▃▁▁▁▁▁▁▁▁▁▁▁▁▁▁▇▃▃▃▄▄▃1.622.6951.1011.0161.0061.0071.9451.2841.2021.21.2211.2231.2163.3860.2670.2670.2670.2660.270.2720.2580.2760.2770.2721.1890.390.40.4040.4040.4040.4130.4150.4150.4140.4210.4130.4150.3480.353.10.961.3051.2731.4571.511.252
us-gaap:DepreciationDepletionAndAmortization ▃▄▅▄▄▄▆▆▆▆▇▇▇▇▂▂▁▁▂▂▃▂▂▃▃▃▄▅▅▅▅▅▅▅▆▆▆▆▇██▇█▇▇█21.10921.8124.98424.07624.19924.03128.70928.62328.64128.42730.06930.44930.90731.07217.21516.53215.0914.37816.75516.08218.80716.67417.47919.75419.42119.33923.2324.62725.01425.59225.09624.71824.27424.75727.61527.58527.04427.22732.54732.6232.76831.53134.02132.11331.79333.277
us-gaap:IncreaseDecreaseInAccountsReceivable ▂▅▃▃▁▅▅▅▄▇▄▅▃▅▆▄▆▄▄▄▅▇▄▅▅▅▆▄▇▄▅▃▆▄▅▂▆▃▅▅▇▃▄▅█▅-31.6272.078-26.169-30.056-50.846-1.1850.08210.264-8.85637.977-7.755.03-20.5727.76820.11-4.56915.151-13.119-5.49-2.6311.97533.308-3.3925.5528.877-2.02815.213-13.13630.104-15.3928.273-26.20312.64-8.36210.193-38.44712.779-20.8250.839.83436.651-24.545-7.8131.30145.9576.167
us-gaap:IncreaseDecreaseInInventories ▆▄▂▂▆▅▄▅▅▅▆▆▄▅▃▅▆▆▃▅▅▄▃▇▇▇▂▅▅▆▃▅▆▆▂▅▄▆▁▄▅█▃▆▆▇8.938-9.008-26.425-25.50715.9860.543-6.3736.567.5431.65915.54113.457-3.6380.253-14.6011.37318.19611.274-19.136-0.3250.362-3.244-20.47523.53526.19723.48-30.0077.1850.97415.827-16.9722.7099.1815.944-32.8721.833-8.20810.994-39.139-3.9182.59434.074-16.28116.76813.17727.753
us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet ▆▇▇▄▅▇▆▆▆▅▇▆▆▁▇▅▆▆▆▄▆▆▆▅▆▆▅▅▅▆▅▆▆▆▆▆▆▆▆▆█▃▄▆▇▅6.97812.94821.0-20.557-4.73814.4357.8456.5531.713-7.5116.8830.2497.749-58.95321.343-5.7431.123.962.986-24.4722.6520.748-2.107-7.5724.2424.99-4.103-3.059-5.7522.396-7.1930.1080.4823.4646.766-1.618-0.3943.9923.288.72928.947-31.673-16.4420.43814.612-10.663
us-gaap:NetCashProvidedByUsedInOperatingActivities █▆▅▆▃▄▆▆▆▄▆▆▆▁█▄▅▇72.72549.95538.94344.7856.89218.89444.7450.03753.13924.92442.37250.50441.327-24.44876.85321.05730.18763.257NA30.75417.32233.805NA2.587NANANANANANANANA18.3790.59568.08744.61338.38754.00398.55766.10951.67936.01387.47550.0351.30765.779
us-gaap:NetIncomeLoss ▇██▇▇████████▆█████▇████▇█▇███▆▇██████▇▁██████-33.12312.60321.52-25.357-62.8028.68414.6216.84719.446-1.90723.87719.8822.657-145.6661.7825.57614.09715.84511.649-9.88519.91710.0898.98612.695-14.1984.91-49.2337.30819.259-0.254-154.43-7.34812.3992.5715.9635.34731.61525.353-54.631-517.08234.43627.1226.5727.63925.31125.25
us-gaap:ProfitLoss ▇██▇▇████████▆█████▇████▇█▇███▆▇██████▇▁██-32.44513.5821.506-25.058-62.4879.16214.2718.17720.117-0.14925.12919.7873.773-145.272.37426.85415.00716.01412.669-8.90220.50210.7849.77913.325-13.4665.365-48.8297.55319.844-0.118-153.524-6.75812.1963.49616.46435.89732.29125.572-53.548-515.33735.56327.126NANANANA
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents us-gaap:NoncontrollingInterest▁█0.6780.977NA0.2990.3150.478NA1.330.6711.758NANANA0.396NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents us-gaap:Parent▁█-33.12312.603NA-25.357-62.8028.684NA16.84719.446-1.907NA19.8822.657-145.666NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings▁█-33.12312.603NA-25.357-62.8028.684NA16.84719.446-1.907NANANA-145.666NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ShareBasedCompensation ▅▅▃▄▆█▅▆▆▆█▅█▇▅▄▄▄▃▄▂▂▁▁▂▃▄▁▃▃▃▃▄▄▄▄▄▃▂▁▃▄▃▄▃▃6.0886.4984.4155.0577.0998.4825.8967.2816.5787.2058.1946.458.5248.0956.1535.1194.9245.2114.7355.4223.9783.93.212.8823.8894.1085.1573.2494.874.5844.5744.1545.0265.0965.1935.0635.0584.1984.012.8834.5434.9754.8855.1014.5454.576
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▆▇▇█▁▆▄▂▇▅▂-8.709-5.806-7.564-4.313-19.902-9.257-13.587-17.855-5.622-11.116-16.909NANANANANANANANANANANANANANANANANANANANANA-13.945-15.569-15.298-10.988-86.539-12.62-18.941-16.966-17.06-25.774-16.179-16.874-10.172-13.049
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▂▄▃▁▇▄▇█▆▄█▅▄█▇▄▅▂▅▃▃▂▃▄▄▂▄▅▃▂▆▆▅▆▇▃▄▄▆▇█▄██▄▇9.06411.4129.9117.24816.44712.60216.17918.05915.09611.41517.45913.18411.87617.43316.00211.59512.7769.12212.9810.67911.0938.79110.59412.33211.529.47212.43512.65710.8398.56415.47215.65314.1314.76516.26510.73111.50412.04314.27717.08717.46211.2517.31517.79111.56516.151
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▁▇▁▅▅█▄▄▄▄▅-432.725324.581-414.1660.6270.226401.737-23.927-27.065-23.284-23.243-12.535NANANANANANANANANANANANANANANANANANANANANA-1.573-17.243-9.012-47.1741.884-23.226-73.342-82.715-1.03-52.366-47.714-31.617-20.915-48.391
us-gaap:RepaymentsOfLongTermDebt ▁█440.0475.0NANA0.00.037.34428.12528.12544.063181.06290.06359.83932.3954.2194.21917.8122.81350.0882.8132.81223.40632.8127.8130.022.37333.68817.520.62530.62520.62530.6253.7518.7513.7533.7553.75213.7543.75748.6742.71152.91948.63932.64321.04452.837
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:LongtermDebtType us-gaap:SeniorNotesNANA5e-06NANANA5.0000000000000004e-08NANANA5.0000000000000004e-08NANANA5.0000000000000004e-08NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value17751768138913811376136813571335132513341334132613171310129412871282127612701259125512511246124612551257127012871293129112901288129012991294129413041313131913431339133413281299
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets71.360.453.345.845.744.550.149.949.049.551.151.149.847.961.570.872.076.280.573.773.872.874.174.673.976.774.372.069.168.668.662.462.964.361.963.363.362.663.960.045.546.848.445.5

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesIssued


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value4545404040403939393939393939383837383939404040
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStockSharesOutstanding


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value4545404040403939393939393939383837383939404040
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockSharesOutstanding us-gaap:StatementEquityComponents

us-gaap:CommonStock


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value454540404040393939393939393938383738393940404034
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value4541404040393939393938393939383838383838393939393939394040404141404140
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value4541404040393939393938383838383838383838393939393939393939404040404040
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount


Antidilutive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value400000.0100000.0800000.0900000.0300000.0200000.0500000.01000000.0500000.0700000.01000000.0200000.0200000.0200000.0900000.0900000.01200000.01100000.01200000.01300000.01100000.01200000.01600000.01300000.01100000.01200000.0881000.01400000.01200000.01400000.0672000.0657000.01200000.0664000.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

us-gaap:ConvertibleDebtSecurities


Antidilutive
Period End2021-03-31
Value3700000.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount3700.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-0.730.30.54-0.63-1.560.220.370.430.49-0.050.610.510.07-3.740.050.660.360.410.3-0.260.520.270.230.33-0.370.13-1.250.190.49-0.01-3.93-0.190.310.070.40.90.790.64-1.35-12.70.850.670.660.680.630.63
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-0.730.30.54-0.63-1.560.210.360.420.49-0.050.60.50.07-3.740.050.650.360.40.3-0.260.520.260.230.33-0.370.13-1.250.190.49-0.01-3.93-0.190.310.060.40.890.790.63-1.35-12.70.840.660.650.680.610.62
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Allocated Share Based Compensation Expense

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:AwardType

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:PhantomShareUnitsPSUs


Allocated
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value1225000.01117000.0582000.01060000.0433000.0822000.0525000.0918000.0762000.0587000.0690000.0626000.0
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.20.10.20.10.10.10.10.10.10.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:PhantomShareUnitsPSUs0.00.00.00.00.00.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value-27.9860.8237-11.543-0.746-16.527174.14223-3.6871220-30.616-127.7839.045413431-22.984-1.35710174.753-2.1060.274-55.79-104.022-41.58511-3.368-139.6871420-29.1781959-21.58353-95.338-594.92557120-6.678141-75.441
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-5.70.27.0-2.1-0.1-2.82.70.73.7-0.62.23.4-5.2-21.01.68.46.96.6-4.6-0.32.03.51.0-0.40.1-12.4-20.4-8.42.3-0.7-26.72.84.3-6.53.811.7-3.79.4-14.8-96.69.321.3-1.124.7-13.3

Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value678000.0977000.0-14000.0299000.0315000.0478000.0-350000.01330000.0671000.01758000.01252000.0-95000.01116000.0396000.0594000.01278000.0910000.0169000.01020000.0983000.0585000.0695000.0508000.0630000.0732000.0455000.0404000.0245000.0585000.0136000.0805000.0656000.0-198000.0921000.0372000.0619000.0716000.0219000.0758000.01303000.01268000.0378000.0
Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.2-0.00.10.10.1-0.10.20.10.30.2-0.00.20.10.10.30.20.00.20.20.10.10.10.10.20.10.10.00.10.00.20.1-0.00.20.10.10.10.00.10.20.20.1

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-27.3081.79736-11.244-0.431-16.049165.47223-1.9291420-29.5-127.3879.639423531-21.964-0.37410175.261-1.4761.006-55.335-103.618-41.3411-3.232-138.8821420-28.2572059-20.86754-94.58-593.62258120
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-5.60.37.0-2.1-0.1-2.72.60.93.8-0.32.43.4-5.0-21.01.88.77.06.6-4.4-0.12.13.61.1-0.30.2-12.3-20.3-8.32.4-0.7-26.53.04.2-6.33.811.8-3.69.5-14.7-96.49.521.4

Cost Of Goods And Services Sold

us-gaap:CostOfGoodsAndServicesSold

us-gaap:CostOfGoodsAndServicesSold


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value339352376396371426450428443427410398409427376321325320339336343334343322351310355345326320358345322307359332382388450439421379435391393340
Percentage of CostOfGoodsAndServicesSold100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax69.467.871.773.572.871.371.868.569.969.569.966.969.970.468.366.064.667.168.466.366.967.269.168.774.869.269.769.666.767.568.569.766.968.768.865.966.068.070.271.468.867.370.168.369.368.4

us-gaap:CostOfGoodsAndServicesSold us-gaap:ProductOrService

us-gaap:Product


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value295307336358329384410389401386369357366382338284
Percentage of CostOfGoodsAndServicesSold86.987.389.490.388.790.191.191.190.490.490.289.689.689.690.188.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax60.359.264.066.364.664.365.462.463.262.863.059.962.663.061.558.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Product71.769.50.076.175.072.80.070.570.870.90.067.971.071.30.065.6

us-gaap:Service


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value44443938414240384241404142443636
Percentage of CostOfGoodsAndServicesSold13.112.710.69.711.39.98.98.99.69.69.810.410.410.49.811.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.18.67.67.28.27.06.46.16.76.76.97.07.37.36.77.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Service57.258.40.055.659.260.00.053.562.059.10.059.361.163.50.068.7

Gross Profit

us-gaap:GrossProfit

us-gaap:GrossProfit


Gross
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value149167148143138171177196191187176197176179174165177157156170169163152146118138154150163154164150159140163171196183191176191184185181174157
Percentage of GrossProfit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax30.632.228.326.527.228.728.231.530.130.530.133.130.129.631.734.035.432.931.633.733.132.830.731.325.230.830.330.433.332.531.530.333.131.331.234.134.032.029.828.631.232.729.931.730.731.6

us-gaap:GrossProfit us-gaap:StatementBusinessSegments

itri:DeviceSolutions


Gross
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value3032222011323040413938464853
Percentage of GrossProfit20.319.314.814.38.618.917.020.821.821.321.723.627.629.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.26.24.23.82.35.44.86.66.56.56.57.88.38.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax itri:DeviceSolutions18.718.70.011.79.316.00.019.219.118.00.021.120.621.5

itri:NetworkedSolutionsSegment


Gross
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value95112100102108121130135126127122133112114
Percentage of GrossProfit64.067.567.671.478.271.073.368.966.067.969.567.563.663.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax19.621.719.118.921.320.320.721.719.920.720.922.319.218.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax itri:NetworkedSolutionsSegment36.239.10.033.433.435.70.038.035.537.80.041.537.937.8

itri:OutcomesSegment


Gross
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2321262018171720232015171512
Percentage of GrossProfit15.713.217.714.313.210.29.710.212.210.88.88.98.86.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.84.25.03.83.62.92.83.23.73.32.62.92.72.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax itri:OutcomesSegment38.237.60.035.632.631.60.036.538.136.00.031.829.021.6

Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-32.6611821-37.043-57.686161424285.97214257.554-156.45844333125274.52832191223-9.510-53.8671227-0.771-153.252-9.347140.25315424235-65.73-511.04343627413516
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-6.73.54.1-6.9-11.32.82.33.94.51.02.44.31.3-25.88.16.96.35.25.60.96.43.92.55.0-2.02.4-10.62.45.7-0.2-29.3-1.92.90.13.08.47.46.2-10.2-83.05.66.54.47.26.33.3

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-0.2164.661-0.128-11.9854.8017.55-0.0756.1528.4196.121-10.8785.7153.781-11.188426.64169.0471513128.6262.426103.9665.563-5.0384.4847.848-0.6530.272-2.5891.896-3.243-0.7456.547109.629-11.0996.042-0.089.5670.8221310-8.979
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.00.9-0.0-2.20.91.3-0.01.01.31.0-1.91.00.6-1.87.61.43.31.93.12.62.41.70.52.20.81.2-1.00.91.6-0.10.1-0.50.4-0.7-0.11.31.81.7-1.71.0-0.01.70.12.41.8-1.8

Income Taxes Paid Net

us-gaap:IncomeTaxesPaidNet

us-gaap:IncomeTaxesPaidNet


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.8862.1473.0372.6452.376-5.373.1992.2713.333.2417.4042.9411.9281.4983.54610131.2247.086.6626.8653.686.6111.3451.988199.6945.0264.393-0.8917.8422.6175.5292.6717.431139.90310156.0624.1622.68128.0926.3592.996
Percentage of IncomeTaxesPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.40.60.50.5-0.90.50.40.50.51.30.50.30.20.62.22.60.31.41.31.30.71.30.30.44.31.91.00.9-0.21.50.51.10.61.42.61.71.82.41.00.70.52.01.41.10.6

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value14101010111112121313131414153.1332.8982.8762.6742.6042.6912.7352.9182.9532.7993.8552.6822.7653.0152.9132.9093.1652.8472.3362.3382.5212.5512.6062.4372.46410111212131314
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.92.01.92.02.31.92.02.12.12.22.42.42.52.60.60.60.60.60.50.50.50.60.60.60.80.60.50.60.60.60.60.60.50.50.50.50.40.40.41.81.92.12.02.32.53.0

Interest Paid Net

us-gaap:InterestPaidNet

us-gaap:InterestPaidNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4.6523.193122.17817145.265166.705167.808198.5056.8782.4772.6082.5992.4222.3292.5282.442.6242.6492.5512.7332.2652.3762.6252.4512.462.752.4721.9371.8672.152.1112.1872.0882.083106.4329.4957.649108.55212
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.00.62.50.43.42.50.82.61.12.71.33.21.51.10.40.50.50.50.50.50.50.50.50.50.60.50.50.50.50.50.50.50.40.40.40.40.40.40.31.61.11.71.21.81.52.5

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-33.1231221-25.357-62.8028.684141619-1.90723192.657-145.6661.7825141511-9.88519108.98612-14.1984.91-49.2337.30819-0.254-154.43-7.348122.5715353125-54.631-517.082342726272525
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-6.82.44.1-4.7-12.31.52.32.73.1-0.34.13.30.5-24.00.35.32.83.32.3-2.03.92.01.82.7-3.01.1-9.71.53.9-0.1-29.5-1.52.60.63.07.05.54.4-8.5-84.05.64.84.34.84.55.1

Net Income Loss Attributable To Noncontrolling Interest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value678000.0977000.0-14000.0299000.0315000.0478000.0-350000.01330000.0671000.01758000.01252000.0-95000.01116000.0396000.0594000.01278000.0910000.0169000.01020000.0983000.0585000.0695000.0508000.0630000.0732000.0455000.0404000.0245000.0585000.0136000.0906000.0590000.0-203000.0926000.0504000.0550000.0676000.0219000.01083000.01745000.01127000.06000.0
Percentage of NetIncomeLossAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.2-0.00.10.10.1-0.10.20.10.30.2-0.00.20.10.10.30.20.00.20.20.10.10.10.10.20.10.10.00.10.00.20.1-0.00.20.10.10.10.00.20.30.20.0

Nonoperating Income Expense

us-gaap:NonoperatingIncomeExpense

us-gaap:NonoperatingIncomeExpense


Nonoperating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-25729000.0-12699000.0-11224000.0-13063000.0-12299000.0-9658000.0-14668000.0-15110000.0-15022000.0-14851000.0-14266000.0-16174000.0-13009000.0-16010000.0-2745000.0-3870000.0-5255000.0-4981000.0-2760000.0-1882000.0-2778000.0-4164000.0-3845000.0-3739000.0-5549000.0-2611000.0-4775000.0-4421000.0-4235000.0-5310000.0-4236000.0-2859000.0-3884000.0-2094000.0-3756000.0-3523000.0-3208000.0-4420000.0-5625000.0-13788000.0-13729000.0-13402000.0-16241000.0-17585000.0-14279000.0-15348000.0
Percentage of NonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-5.3-2.4-2.1-2.4-2.4-1.6-2.3-2.4-2.4-2.4-2.4-2.7-2.2-2.6-0.5-0.8-1.0-1.0-0.6-0.4-0.5-0.8-0.8-0.8-1.2-0.6-0.9-0.9-0.9-1.1-0.8-0.6-0.8-0.5-0.7-0.7-0.6-0.8-0.9-2.2-2.2-2.4-2.6-3.1-2.5-3.1

Operating Expenses

us-gaap:OperatingExpenses

us-gaap:OperatingExpenses


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value156136116167183145148156147166148155156320127127141127125164134139136119122124203134131149313156141137144125150143251673142134141122124125
Percentage of OperatingExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax32.026.222.131.036.124.323.625.123.327.125.326.126.652.723.226.328.026.625.432.426.228.127.625.526.127.840.027.126.831.659.931.629.430.827.525.026.025.139.2109.423.423.822.821.421.925.2

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-6.9323032-23.98-45.3872628394320284120-140.44847373630306.4135231627-3.95113-49.09216314.539-149.016-6.488172.34719454639-60.105-497.252485043585031
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.46.06.2-4.4-8.94.44.66.36.93.44.97.03.5-23.18.67.77.36.36.21.36.94.73.25.8-0.83.0-9.63.36.51.0-28.5-1.33.70.53.79.18.06.9-9.4-80.87.98.97.010.38.86.4

us-gaap:OperatingIncomeLoss us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-30
Value-104.087-80.388-68.856-118.445-130.875-88.706-93.687-104.946-97.199-110.366-525.006-6.691-4.284-22.112-14.617-14.08-16.811-17.632-24.088-21.433-13.398-11.087-10.824-15.339
Percentage of OperatingIncomeLoss1501.5-259.8-211.2493.9288.4-336.4-324.6-266.1-223.1-530.0-1841.0-16.1-20.815.7-39.1-38.2-56.0-275.1-67.9-90.9-49.2280.6-79.9-93.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-21.3-15.5-13.1-21.9-25.7-14.8-14.9-16.8-15.3-18.0-89.4-1.1-0.7-3.6-3.0-2.8-3.5-3.5-4.7-4.3-2.9-2.4-2.4-3.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CorporateNonSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingIncomeLoss us-gaap:StatementBusinessSegments

itri:DeviceSolutions


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value19211211-1.12181627282525333438
Percentage of OperatingIncomeLoss-288.370.138.9-45.92.569.055.670.865.1122.388.679.2167.8-27.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.14.22.42.0-0.23.02.64.54.54.14.35.55.96.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax itri:DeviceSolutions12.312.60.06.3-0.99.00.013.113.011.50.015.014.615.3

itri:NetworkedSolutionsSegment


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value647970717788981059895941038179
Percentage of OperatingIncomeLoss-932.3256.3216.7-297.8-170.5336.3340.7267.8225.1457.8332.8249.5398.5-56.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.215.313.413.215.214.815.616.915.415.516.217.514.013.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax itri:NetworkedSolutionsSegment24.427.50.023.323.826.00.029.727.528.30.032.427.726.4

itri:OutcomesSegment


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value121018129.2268.1988.1831014106.6686.3724.249-0.655
Percentage of OperatingIncomeLoss-180.933.455.7-50.2-20.331.128.427.533.050.023.415.320.70.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.62.03.52.21.81.41.31.72.31.71.11.10.7-0.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax itri:OutcomesSegment20.417.70.021.016.514.80.019.723.418.50.011.57.9-1.2

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value5.137-11.783151362-25.2112.382-12.7053.736-1.78-11.0590.622-33.273177.265152015-34.6338.528-9.7977.182-4.518-14.80114-60.7-54.789-48.893-7.996-3.11414218.208-31.7533.58423-53.15828
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.0-2.32.92.612.2-4.20.4-2.00.6-0.3-1.90.1-5.72.91.33.24.13.3-7.01.7-1.91.4-0.9-3.23.1-13.5-10.7-9.8-1.6-0.72.84.31.7-7.10.74.7-9.25.0

us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value0.6990.701-0.1590.0471.0010.5020.1830.471
Percentage of OtherComprehensiveIncomeLossNetOfTax13.6-5.9-1.20.1-4.0-4.04.9-26.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.1-0.00.00.20.10.00.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-1.222.528-0.001-1.389-0.7670.695-1.6340.135
Percentage of OtherComprehensiveIncomeLossNetOfTax-23.7-21.5-0.0-2.23.0-5.5-43.7-7.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.20.5-0.0-0.3-0.10.1-0.30.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges0.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value5.137-11.7831362-25.211-12.7053.736-1.780.622-33.27317
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.0-2.32.612.2-4.2-2.00.6-0.30.1-5.72.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value5.658-15.0121363-25.445-13.9025.187-2.386
Percentage of OtherComprehensiveIncomeLossNetOfTax110.1127.4101.2102.2100.9109.4138.8134.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.2-2.92.612.4-4.3-2.20.8-0.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.00.0

us-gaap:Parent


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value5.137-11.7831362-25.211-12.7053.736-1.780.622-33.27317
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.0-2.32.612.2-4.2-2.00.6-0.30.1-5.72.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.0

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:OtherNonoperatingIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-12157000.0-2766000.0-1827000.0-2607000.0-1873000.01066000.0-2584000.0-2759000.0-2060000.0-1644000.0-811000.0-2434000.01003000.0-1167000.0-270000.0-1701000.0-2849000.0-2576000.0-427000.0707000.0-264000.0-1517000.0-1213000.0-1120000.0-1907000.024000.0-2191000.0-1569000.0-1375000.0-2498000.0-1290000.0-158000.0-1742000.0-817000.0-1520000.0-1269000.0-779000.0-2176000.0-3392000.0-3147000.0-2477000.0-1596000.0-3701000.0-4423000.0-425000.0-592000.0
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-2.5-0.5-0.3-0.5-0.40.2-0.4-0.4-0.3-0.3-0.1-0.40.2-0.2-0.0-0.3-0.6-0.5-0.10.1-0.1-0.3-0.2-0.2-0.40.0-0.4-0.3-0.3-0.5-0.2-0.0-0.4-0.2-0.3-0.3-0.1-0.4-0.5-0.5-0.4-0.3-0.6-0.8-0.1-0.1

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-32.4451321-25.058-62.4879.162141820-0.14925193.773-145.272.37426151612-8.90220109.77913-13.4665.365-48.8297.55319-0.118-153.524-6.758123.49616353225-53.548-515.3373527
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-6.62.64.1-4.6-12.31.52.32.93.2-0.04.33.30.6-23.90.45.53.03.42.6-1.84.02.22.02.8-2.91.2-9.61.54.1-0.0-29.3-1.42.50.83.17.15.64.5-8.3-83.75.84.8

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-03-31
Value0.6780.9770.2990.3150.4781.330.6711.7580.396
Percentage of ProfitLoss-2.17.2-1.2-0.55.27.33.3-1179.9-0.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.20.10.10.10.20.10.30.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-33.12312-25.357-62.8028.6841619-1.907192.657-145.666
Percentage of ProfitLoss102.192.8101.2100.594.892.796.71279.9100.570.4100.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-6.82.4-4.7-12.31.52.73.1-0.33.30.5-24.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-03-31
Value-33.12312-25.357-62.8028.6841619-1.907-145.666
Percentage of ProfitLoss102.192.8101.2100.594.892.796.71279.9100.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-6.82.4-4.7-12.31.52.73.1-0.3-24.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.0

Research And Development Expense

us-gaap:ResearchAndDevelopmentExpense

us-gaap:ResearchAndDevelopmentExpense


Research
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value48514546485351504950454754604342434040394345354143414442434446414344444346444238404040343333
Percentage of ResearchAndDevelopmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.010.08.68.69.69.08.28.17.88.27.87.99.39.97.98.78.68.68.17.88.59.17.28.99.29.38.88.59.09.48.98.49.09.98.58.68.17.86.66.36.77.26.55.95.86.6

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value489519525540509598628624635614587595585607550486503477495506513497496469470448510496489474523495482447523504579571642615612563620573567497
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService

us-gaap:Product


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value411442451470438528556552566544516525515537492433
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax84.185.286.087.186.188.388.688.589.188.788.088.288.188.589.589.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax84.185.286.087.186.188.388.688.589.188.788.088.288.188.589.589.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Product100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Service


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value77767369707071716869707069705752
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.914.814.012.913.911.711.411.510.911.312.011.811.911.510.510.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.914.814.012.913.911.711.411.510.911.312.011.811.911.510.510.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Service100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService, us-gaap:StatementBusinessSegments

us-gaap:Product, itri:DeviceSolutions


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value160170183174126200203211214218223216231245
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax32.832.834.932.224.933.432.433.833.835.638.036.339.640.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax32.832.834.932.224.933.432.433.833.835.638.036.339.640.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Product itri:DeviceSolutions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Product, itri:NetworkedSolutionsSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value235258250282300315344330333314281297275279
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax48.149.847.652.358.952.754.852.952.551.147.950.047.046.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax48.149.847.652.358.952.754.852.952.551.147.950.047.046.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Product itri:NetworkedSolutionsSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Product, itri:OutcomesSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1513171311129.15211181112118.86611
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.22.73.42.62.32.11.51.82.81.92.11.91.52.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.22.73.42.62.32.11.51.82.81.92.11.91.52.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Product itri:OutcomesSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Service, itri:DeviceSolutions


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2.322.453.0632.0892.2152.1112.7282.2533.1343.1864.3373.8794.3963.944
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.50.50.60.40.40.40.40.40.50.50.70.70.80.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.50.50.60.40.40.40.40.40.50.50.70.70.80.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Service itri:DeviceSolutions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Service, itri:NetworkedSolutionsSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2929272324252425222224222022
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.15.75.24.44.74.23.94.13.53.64.13.83.63.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.15.75.24.44.74.23.94.13.53.64.13.83.63.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Service itri:NetworkedSolutionsSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Service, itri:OutcomesSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value4544434344424443434441434443
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.38.68.38.08.77.17.17.06.87.27.17.37.67.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.38.68.38.08.77.17.17.06.87.27.17.37.67.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Service itri:OutcomesSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementBusinessSegments

itri:DeviceSolutions


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value162172186176129202206213217221227220236249
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax33.333.335.532.625.333.832.834.234.336.138.837.040.341.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax33.333.335.532.625.333.832.834.234.336.138.837.040.341.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax itri:DeviceSolutions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

itri:NetworkedSolutionsSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value265288277306324340368356355336305320296302
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax54.255.552.856.863.757.058.757.056.054.752.053.850.549.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax54.255.552.856.863.757.058.757.056.054.752.053.850.549.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax itri:NetworkedSolutionsSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

itri:OutcomesSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value6158615755555354615654555355
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.511.311.710.611.09.28.58.89.79.29.39.39.19.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.511.311.710.611.09.28.58.89.79.29.39.39.19.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax itri:OutcomesSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementGeographical

itri:OtherCountries


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value2933372831465161494555415349585548455347463949444742565758506659555880677066
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.16.57.25.36.37.78.39.87.87.49.47.09.18.110.611.39.79.610.99.49.18.010.09.610.29.511.011.512.010.712.711.911.513.115.413.512.111.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.16.57.25.36.37.78.39.87.87.49.47.09.18.110.611.39.79.610.99.49.18.010.09.610.29.511.011.512.010.712.711.911.513.115.413.512.111.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax itri:OtherCountries100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

itri:UnitedStatesAndCanada


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value308325324354369385408405417397362376348355312259295269289297278262254257253231247237214200234227211177212224292
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax63.162.761.865.772.664.465.065.065.864.761.763.259.458.656.853.458.856.358.458.654.252.751.255.054.051.648.447.943.842.244.846.043.939.640.544.650.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax63.162.761.865.772.664.465.065.065.864.761.763.259.458.656.853.458.856.358.458.654.252.751.255.054.051.648.447.943.842.244.846.043.939.640.544.650.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax itri:UnitedStatesAndCanada100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EMEA


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value150160162156107166168157167171169177184202179171158162152161187195191166168174207201216223222208215211230211215
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax30.830.931.029.021.227.926.825.226.327.928.929.831.533.332.635.331.634.130.832.036.639.338.735.435.839.040.640.644.247.142.542.144.647.344.141.937.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax30.830.931.029.021.227.926.825.226.327.928.929.831.533.332.635.331.634.130.832.036.639.338.735.435.839.040.640.644.247.142.542.144.647.344.141.937.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:EMEA100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:SellingGeneralAndAdministrativeExpense


Selling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value74756164698082838892908988154
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.114.611.812.013.613.513.113.413.915.115.415.015.225.4

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value24882927260730153012307127072675270626962608259626432736210618171779167315771708170217191681167016981639171017871871188418822065204920212089204720602098206422412946284927452854
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value12871706176622182209227619071913195919641874188419602031130010271036971927104610441074105810351053992995950987101310091054105210341079105711211128115712141329129413171454
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets51.858.367.873.673.374.170.471.572.472.971.972.674.274.361.756.558.258.058.861.261.362.563.062.062.060.558.253.252.853.853.651.151.351.251.751.654.453.856.154.245.145.448.050.9

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value24882927260730153012307127072675270626962608259626432736210618171779167315771708170217191681167016981639171017871871188418822065204920212089204720602098206422412946284927452854
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value11751196816771777770776737723709712692662685786770723683631643640626604615626628696818866852855992980969992974924954906102616171554142814001058790
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets47.240.931.325.625.825.128.727.626.726.327.326.725.125.137.342.440.740.840.037.737.636.436.036.836.938.440.745.846.345.345.448.147.847.947.547.644.845.543.945.854.954.652.049.10.00.0

Assets Current

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value8421260930135213541387997967962934896868896932849834798805732831804801758806811758758795825822799816811784820817844900840880958891882725
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets33.943.035.744.845.045.236.836.135.634.734.333.433.934.140.345.944.948.146.448.747.346.645.148.347.846.344.444.544.143.642.539.639.638.839.339.941.042.940.739.332.531.332.125.4

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value2075742065865445541491401351101201091621431761371271871331511321321311091281181121221141461241221031011369110215413312916813316914813712312114491
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.319.67.919.418.118.15.55.35.04.14.64.26.25.38.47.67.211.28.58.97.87.77.86.67.67.26.66.96.17.86.65.95.15.06.54.55.07.46.45.85.74.76.20.00.00.04.30.00.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-31
Value207574206586544554149141137112122111165145487137127187133131112
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.319.67.919.418.118.15.55.35.14.24.74.36.25.323.17.67.211.28.57.86.6

Accounts Receivable Net Current

us-gaap:AccountsReceivableNetCurrent

us-gaap:AccountsReceivableNetCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value286319318314330398415410426438416422412448369351345307299319317321298298286284312310341310328316330356375363394389371377377361371337
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets11.510.912.210.411.013.015.415.315.816.316.016.315.616.417.519.319.418.319.018.718.718.717.817.916.817.318.317.418.316.517.415.316.117.618.017.719.118.518.016.812.812.713.511.8

Receivables Net Current

us-gaap:ReceivablesNetCurrent

us-gaap:ReceivablesNetCurrent


Receivables
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value336365369386411463472468466473437449443481398376374344351368369368330340338324348342369341356349372375
Percentage of ReceivablesNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets13.512.514.212.813.715.117.517.517.217.516.817.316.817.618.920.721.020.622.321.621.721.419.720.419.919.820.419.219.718.118.916.918.218.0

Inventory Net

us-gaap:InventoryNet

us-gaap:InventoryNet


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value179169182205226221227231229221220208195209193207203178163189188189190214195168154190192192177194190182170201196210195240253248208170
Percentage of InventoryNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.25.87.06.87.57.28.48.68.58.28.58.07.47.79.211.411.410.610.311.111.111.011.312.811.510.39.010.710.310.29.49.49.39.08.29.99.510.09.510.78.68.77.66.0

Other Assets Current

us-gaap:OtherAssetsCurrent

us-gaap:OtherAssetsCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value12015017117317214714612613012911810195978111293958412211511010610611110910410411210410310811211110410292878188104927775
Percentage of OtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.85.16.65.85.74.85.44.74.84.84.53.93.63.63.96.25.25.75.37.16.86.56.36.46.56.76.15.96.05.65.55.35.55.55.05.04.54.24.03.93.53.32.82.6

Land

us-gaap:Land

us-gaap:Land


Land
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value121314131314141415151415151618181817171819201920212021222324242524242527272826323335
Percentage of Land100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.50.50.50.50.50.50.60.60.60.60.60.60.60.60.91.01.01.11.11.11.21.21.21.21.31.31.21.31.31.31.31.21.21.21.21.31.31.41.31.41.11.3

Machinery And Equipment Gross

us-gaap:MachineryAndEquipmentGross

us-gaap:MachineryAndEquipmentGross


Machinery
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312016-12-312015-12-312014-12-312013-12-312013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value335333334306302311323316321318315318310279289287309284287278269276269281284265
Percentage of MachineryAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets13.511.412.810.210.010.111.911.811.911.812.112.314.817.717.216.816.414.113.813.613.113.213.112.59.79.7

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value649647651619622634651639643634630637628651609589583561547568572575573561563548564588603596593594580566570555536550531556563531
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets26.122.125.020.520.720.624.123.923.823.524.224.623.823.828.932.432.833.634.733.333.633.434.133.633.233.433.032.932.231.631.528.828.328.027.327.126.126.225.724.819.119.4

Construction In Progress Gross

us-gaap:ConstructionInProgressGross

us-gaap:ConstructionInProgressGross


Construction
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value363031334345545151454941454139373229292627323224232221161813141733302623191920202420
Percentage of ConstructionInProgressGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.51.01.21.11.41.52.01.91.91.71.91.61.71.51.92.11.81.81.91.61.61.91.91.51.41.41.20.91.00.70.80.91.61.51.21.10.91.01.00.90.80.7

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value453447443413406408418413415409404416404417408396396382370387384385383371368355356365368358346345330317315304284286268268262232
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets18.215.317.013.713.513.315.515.515.315.215.516.115.315.219.421.822.322.923.522.722.622.422.822.221.721.720.820.519.719.018.416.716.115.715.114.813.813.713.012.08.98.5

Amortization Of Intangible Assets

us-gaap:AmortizationOfIntangibleAssets

us-gaap:AmortizationOfIntangibleAssets


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value8.9978.9731111111116161616181717175.6415.6254.974.5496.114.9967.7966.217.9437.8697.8887.9731010111110101010111112111516161517161617
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value196199207205216225233225228224226220223234200192186178176180187190190190195192207222234237246249249248255251252263262287301296299318
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.96.88.06.87.27.48.68.48.48.38.78.58.58.69.510.610.510.711.210.611.011.011.311.411.511.812.112.412.512.613.112.112.212.312.212.312.212.612.712.810.210.410.911.1

us-gaap:PropertyPlantAndEquipmentNet us-gaap:StatementGeographical

country:US


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1009993677072768798107115
Percentage of PropertyPlantAndEquipmentNet48.342.741.133.839.937.936.635.638.640.838.6
Percentage of Assets3.93.73.63.24.54.34.54.74.75.24.2
Percentage of Assets country:US0.00.00.00.00.00.00.00.00.00.00.0

itri:OutsideUnitedStates


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value107133133133106118131158156155183202
Percentage of PropertyPlantAndEquipmentNet51.757.358.966.260.162.163.464.461.459.261.463.5
Percentage of Assets4.14.95.16.36.77.07.78.47.57.56.77.1
Percentage of Assets itri:OutsideUnitedStates0.00.00.00.00.00.00.00.00.00.00.00.0

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-31
Value11231118113111141101110011031097111011061116112111191142555550541462452475471475468474471462500515541546548712696683701687664650636714131112941209123611461305
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets45.138.243.437.036.635.840.841.041.041.042.843.242.341.826.430.330.427.728.727.827.727.727.828.427.828.229.328.828.929.029.134.534.033.833.633.632.231.030.931.944.545.444.00.00.045.7

us-gaap:Goodwill us-gaap:StatementBusinessSegments

itri:DeviceSolutions


Goodwillus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value52525352515454545555555556
Percentage of Goodwill4.74.74.74.74.75.05.05.05.05.04.95.010.1
Percentage of Assets2.11.82.01.71.71.82.02.02.02.02.12.12.7
Percentage of Assets itri:DeviceSolutions0.00.00.00.00.00.00.00.00.00.00.00.00.0

itri:NetworkedSolutionsSegment


Goodwillus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value926922933919908905908902913910918922455
Percentage of Goodwill82.582.582.582.582.582.382.382.382.382.382.382.381.9
Percentage of Assets37.231.535.830.530.229.533.533.733.733.735.235.521.6
Percentage of Assets itri:NetworkedSolutionsSegment0.00.00.00.00.00.00.00.00.00.00.00.00.0

itri:OutcomesSegment


Goodwillus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value14314314414214014014014014114114214344
Percentage of Goodwill12.812.812.812.812.812.812.812.812.812.812.812.88.0
Percentage of Assets5.84.95.64.74.74.65.25.25.25.25.55.52.1
Percentage of Assets itri:OutcomesSegment0.00.00.00.00.00.00.00.00.00.00.00.00.0

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value113122132144157170185202221239257278296318951001046972828796101111117122139155172184195204210221238247254234239264292304291388
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.64.25.14.85.25.66.87.68.28.99.910.711.211.74.55.55.94.24.64.85.15.66.16.76.97.58.28.79.29.810.49.910.310.911.412.112.311.211.611.89.910.710.613.6

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-03-312011-12-312011-09-302011-06-302010-12-31
Value11312213214415717018520222123725427529031195991036972828796101111117122139155172184195204210221238234239264292291
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.64.25.14.85.25.66.87.68.28.89.810.611.011.44.55.55.84.24.64.85.15.66.16.76.97.58.28.79.29.810.49.910.310.911.411.211.611.89.910.6

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:CustomerRelationships


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value90961021081141211291381481581671741801896163655354606266697478799098107112117120122127137147
Percentage of FiniteLivedIntangibleAssetsNet80.078.577.374.972.971.370.168.367.166.765.763.462.061.064.163.862.976.975.473.172.269.568.266.367.465.364.563.162.461.159.959.058.157.757.561.4
Percentage of Assets3.73.33.93.63.84.04.85.25.55.96.46.76.86.92.93.53.73.23.43.53.73.94.14.44.64.95.35.55.86.06.25.86.06.36.67.1
Percentage of Assets us-gaap:CustomerRelationships0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DevelopedTechnologyRights


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value1923263238434957657077889610729313316172123283035353945525966727781867482
Percentage of FiniteLivedIntangibleAssetsNet17.318.920.322.524.325.726.828.329.529.630.332.333.434.631.131.532.523.124.526.426.929.330.331.930.632.532.834.134.636.137.238.038.839.131.134.4
Percentage of Assets0.80.81.01.11.31.41.82.12.42.63.03.43.73.91.41.71.91.01.11.31.41.61.82.12.12.42.73.03.23.53.93.84.04.33.64.0
Percentage of Assets us-gaap:DevelopedTechnologyRights0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherIntangibleAssets


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value0.3950.4180.4650.5120.5590.6050.6530.6950.7350.7761.3951.4361.4780.5910.5930.520.5230.0260.0310.0380.0420.0470.0510.1080.0550.0570.50.5420.5630.0640.0660.0680.0670.0680.0680.0830.0950.2040.3680.4180.530.746
Percentage of FiniteLivedIntangibleAssetsNet0.30.30.30.40.40.40.40.30.30.30.50.50.50.20.60.50.50.00.00.00.00.00.10.10.00.00.40.30.30.00.00.00.00.00.00.00.00.10.20.20.20.3
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.10.10.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:OtherIntangibleAssets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TrademarksAndTradeNames


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value2.6122.7082.8043.3793.9544.535.1056.0456.9857.9268.8671011134.0524.1694.2860.0150.0190.3910.7561.1421.4981.9242.3032.633.33.94.6285.1475.6686.1146.4597.68
Percentage of FiniteLivedIntangibleAssetsNet2.32.22.12.32.52.72.83.03.13.33.53.84.14.34.34.24.10.00.00.50.91.21.51.72.02.12.42.52.72.82.93.03.13.2
Percentage of Assets0.10.10.10.10.10.10.20.20.30.30.30.40.40.50.20.20.20.00.00.00.00.10.10.10.10.20.20.20.20.30.30.30.30.4
Percentage of Assets us-gaap:TrademarksAndTradeNames0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Deferred Tax Assets Liabilities Net

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:DeferredTaxAssetsLiabilitiesNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value746263489110710984614835
Percentage of DeferredTaxAssetsLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.82.32.42.35.86.46.44.52.92.31.3

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value727476787876797879770.0
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets2.92.62.92.62.62.52.92.92.92.90.0

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssetsNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value4157514745484444404645484646434452505045484852272826283131323328263028292930626668422318
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.72.02.01.61.51.61.71.71.51.71.71.91.81.72.12.43.03.03.22.72.82.83.11.61.71.61.71.81.71.71.81.41.31.51.41.51.41.43.03.02.31.50.90.6

Accounts Payable Current

us-gaap:AccountsPayableCurrent

us-gaap:AccountsPayableCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value175181215232240326328315320331309274249275262212208194172203192201185201226196184203209210199202203197227219234245246260268252241219
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.16.28.37.78.010.612.111.811.812.311.910.69.410.112.411.711.711.610.911.911.311.711.112.113.312.010.811.411.211.210.69.89.99.810.910.711.411.712.011.69.18.98.87.7

Contract With Customer Liability Current

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:ContractWithCustomerLiabilityCurrent


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value13013011211712411899949587939241
Percentage of ContractWithCustomerLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.24.54.33.94.13.83.73.53.53.33.63.62.0

Liabilities Current

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value514909549586601667671684670665652615595638507498504464413479494517477471485478496475492494455467456448467464498509510507747713703443
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets20.731.121.119.520.021.724.825.624.824.725.023.722.523.324.127.428.427.826.228.129.030.128.428.328.629.229.026.626.326.224.222.622.322.222.422.724.224.324.722.725.425.025.615.5

Long Term Debt Current

us-gaap:LongTermDebtCurrent

us-gaap:LongTermDebtCurrent


Long
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value4001821146.7190.038262228242016191816151412111111111130303030282624222018161515151523423122810
Percentage of LongTermDebtCurrent100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets13.70.70.70.50.20.01.41.00.81.10.90.80.60.91.00.90.90.90.70.70.70.70.70.71.81.81.71.61.51.41.21.11.00.90.80.70.70.70.78.08.18.30.4

us-gaap:LongTermDebtCurrent us-gaap:LongtermDebtType

us-gaap:SecuredDebt


Long
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value4001821146.7190.038262228242016191816151412111111111130303030282624222018
Percentage of LongTermDebtCurrent100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets13.70.70.70.50.20.01.41.00.81.10.90.80.60.91.00.90.90.90.70.70.70.70.70.71.81.81.71.61.51.41.21.11.00.9
Percentage of Assets us-gaap:SecuredDebt0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


Operating
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value1617161514
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0100.0
Percentage of Assets0.60.60.60.60.5

Other Liabilities Current

us-gaap:OtherLiabilitiesCurrent

us-gaap:OtherLiabilitiesCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value70707276636463626970707284905655604643496673786860781006269757077545149626857533141444964
Percentage of OtherLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.82.42.82.52.12.12.42.32.62.62.72.83.23.32.73.03.42.82.82.93.94.34.74.13.64.85.93.53.74.03.83.82.72.62.43.03.32.72.61.41.41.61.82.3

Taxes Payable Current

us-gaap:TaxesPayableCurrent

us-gaap:TaxesPayableCurrent


Taxes
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value141415151916221817161420172216211518101816151413161821181414101315139.3058.7541114112327291914
Percentage of TaxesPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.60.50.60.50.70.50.80.70.60.60.60.80.70.80.81.20.91.10.71.11.00.90.90.81.01.11.31.00.80.80.60.70.80.70.40.40.60.70.61.10.91.00.70.5

Long Term Debt

us-gaap:LongTermDebt

us-gaap:LongTermDebt


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value491921936135013501350950987615623637651741745319305371323378417421455438452496575610
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets19.731.535.944.844.844.035.136.922.723.124.425.128.127.315.219.322.118.920.120.020.622.120.921.922.119.522.3

us-gaap:LongTermDebt itri:InterestRateType, us-gaap:LongtermDebtType

us-gaap:LondonInterbankOfferedRateLIBOR, us-gaap:SecuredDebt


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value3161536950950950550587615623637652742690254248290293296314347345345292
Percentage of LongTermDebt6.36.657.370.470.470.457.959.5100.0100.0100.0100.0100.092.579.581.30.00.00.084.70.00.00.090.3
Percentage of Assets1.22.120.631.531.530.920.322.022.723.124.425.128.125.212.115.717.017.317.218.720.820.321.017.1
Percentage of Assets us-gaap:LondonInterbankOfferedRateLIBOR us-gaap:SecuredDebt0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:LongTermDebt us-gaap:LongtermDebtType

us-gaap:SecuredDebt


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value491921936135013501350950987101510231037105111411145619322324304305343345349371380372361323310327348378399410398417
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0165.0164.1162.7161.4153.9153.6193.90.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.0
Percentage of Assets19.731.535.944.844.844.035.136.937.538.039.840.543.241.929.417.818.318.219.320.120.320.322.122.822.022.018.917.317.518.520.119.320.019.720.0
Percentage of Assets us-gaap:SecuredDebt0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Long Term Debt Noncurrent

us-gaap:LongTermDebtNoncurrent

us-gaap:LongTermDebtNoncurrent


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value479496902131313201326932930969980988100510981105593303307288290330333336359369361331293280297320352375387378398404440423437481341341382770
Percentage of LongTermDebtNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets19.217.034.643.643.843.234.434.835.836.437.938.741.640.428.216.717.317.218.419.319.619.621.422.121.320.217.215.715.917.018.718.218.918.719.119.821.320.221.221.511.612.013.927.0

us-gaap:LongTermDebtNoncurrent us-gaap:LongtermDebtType

us-gaap:SecuredDebt


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value479496902131313201326932930969980988100510981105593303307288290330333336359369361331293280297320352375387378398
Percentage of LongTermDebtNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets19.217.034.643.643.843.234.434.835.836.437.938.741.640.428.216.717.317.218.419.319.619.621.422.121.320.217.215.715.917.018.718.218.918.719.1
Percentage of Assets us-gaap:SecuredDebt0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Deferred Finance Costs Noncurrent Net

us-gaap:DeferredFinanceCostsNoncurrentNet us-gaap:LongtermDebtType

us-gaap:DeferredFinanceCostsNoncurrentNet

itri:UsdDenominatedTermLoan


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value1.081.7983.4693.0173.2323.4463.6613.7584.174.5124.8595.2085.5595.9120.6290.5740.6380.7030.7690.8370.9040.9771.047
Percentage of DeferredFinanceCostsNoncurrentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.10.10.10.10.10.10.10.20.20.20.20.20.20.00.00.00.00.00.00.10.10.1
Percentage of Assets itri:UsdDenominatedTermLoan0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ConvertibleDebtSecurities


Deferred
Period End2021-06-302021-03-31
Value1011
Percentage of DeferredFinanceCostsNoncurrentNet1016.7647.8
Percentage of Assets0.40.4
Percentage of Assets us-gaap:ConvertibleDebtSecurities0.00.0

us-gaap:SeniorNotes


Deferred
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value111112121314141515161617185.5880.0
Percentage of DeferredFinanceCostsNoncurrentNet618.4337.0406.8397.8389.9382.8388.5364.1349.3336.1324.8314.8305.8888.40.0
Percentage of Assets0.40.40.40.40.40.50.50.60.60.60.70.70.70.30.0
Percentage of Assets us-gaap:SeniorNotes0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Deferred Income Tax Liabilities Net

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:DeferredIncomeTaxLiabilitiesNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value1832000.01806000.01921000.01854000.01794000.01774000.01809000.0
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.10.10.10.1

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value252423252524242423222120201819201919181817181719181717181717171717171616151414
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.00.80.90.80.80.80.90.90.90.80.80.80.80.70.91.11.11.21.21.11.01.11.11.21.11.11.01.01.00.90.90.90.80.90.80.80.80.70.7

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value9710011313310510411812613914012715215617188111113109117130108111115818672848784798182818080817473888886858983
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.93.44.34.43.53.44.44.75.25.24.95.95.96.34.26.16.46.57.57.66.46.56.94.95.14.44.94.94.54.24.44.04.04.03.84.03.63.54.34.03.03.03.32.9

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value626566686966686768660.0
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets2.52.22.62.32.32.22.52.52.52.50.0

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2020-12-31
Value16
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0
Percentage of Assets0.6

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2020-12-31
Value15
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0
Percentage of Assets0.6

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2020-12-31
Value13
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0
Percentage of Assets0.5

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-31
Value13
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0
Percentage of Assets0.5

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-31
Value17
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0
Percentage of Assets0.7

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2020-12-312019-12-312019-09-302019-06-302018-12-31
Value8385838390
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0
Percentage of Assets3.23.23.13.13.5

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2020-12-31
Value93
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0
Percentage of Assets3.6

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2020-12-31
Value10
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0
Percentage of Assets0.4

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value11751196816771777770776737723709712692662685786770723683631643640626604615626628696818866852855992980969992974924954906102616171554142814001058790
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets47.240.931.325.625.825.128.727.626.726.327.326.725.125.137.342.440.740.840.037.737.636.436.036.836.938.440.745.846.345.345.448.147.847.947.547.644.845.543.945.854.954.652.049.10.00.0

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-312009-12-31
Value120012218407978027958007617467327347126827048057907437026506616576456226346456467148378838708721010997986100999093996992114391407
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets48.241.732.226.426.725.929.628.527.627.128.127.425.825.738.343.541.842.041.238.838.737.537.038.038.039.541.846.847.246.246.448.948.748.848.348.445.646.244.652.449.3

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value-36.282-36.981-37.682-30.681-30.522-30.569-31.57-24.481-24.983-25.166-25.637
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-3.0-3.0-4.5-3.8-3.8-3.8-3.9-3.2-3.3-3.4-3.5
Percentage of Assets-1.5-1.3-1.4-1.0-1.0-1.0-1.2-0.9-0.9-0.9-1.0
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value-0.3130.907-1.621-2.88-2.879-1.49-0.7230.397-0.2981.3361.201
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-0.00.1-0.2-0.4-0.4-0.2-0.10.1-0.00.20.2
Percentage of Assets-0.00.0-0.1-0.1-0.1-0.0-0.00.0-0.00.00.0
Percentage of Assets us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value-145.172-150.309-138.526-154.013-167.827-229.883-204.672-207.054-194.349-198.085-196.305-185.246-185.868-152.595-170.478-229.327-200.607-136.514-21.722-34.384-37.16-34.974
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-12.1-12.3-16.5-19.3-20.9-28.9-25.6-27.2-26.0-27.1-26.7-26.0-27.2-21.7-21.2-35.3-32.2-19.1-2.5-3.4-4.0-2.4
Percentage of Assets-5.8-5.1-5.3-5.1-5.6-7.5-7.6-7.7-7.2-7.3-7.5-7.1-7.0-5.6-8.1-14.5-11.9-8.0-1.2-1.6-1.8-1.3
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value-94.197-99.855-84.843-106.072-120.046-183.444-157.999-168.59-154.688-159.875-157.489
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-7.8-8.2-10.1-13.3-15.0-23.1-19.7-22.1-20.7-21.8-21.5
Percentage of Assets-3.8-3.4-3.3-3.5-4.0-6.0-5.8-6.3-5.7-5.9-6.0
Percentage of Assets us-gaap:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AociIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value-145.172-150.309-138.526-154.013-167.827-229.883-204.672-207.054-194.349-198.085-196.305
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-12.1-12.3-16.5-19.3-20.9-28.9-25.6-27.2-26.0-27.1-26.7
Percentage of Assets-5.8-5.1-5.3-5.1-5.6-7.5-7.6-7.7-7.2-7.3-7.5
Percentage of Assets us-gaap:AociIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStockIncludingAdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1775176813891381137613681357133513251334133413261317131012941270124612701290129413191328
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest147.9144.8165.4173.3171.4172.0169.5175.3177.5182.3181.8186.3192.9186.0160.7195.4200.2177.8147.8128.2143.292.3
Percentage of Assets71.360.453.345.845.744.550.149.949.049.551.151.149.847.961.580.574.174.368.661.963.948.4
Percentage of Assets us-gaap:CommonStockIncludingAdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value25242325252424242322212020181918171717161410
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest2.12.02.83.23.13.13.03.23.13.12.92.83.02.62.42.92.92.52.01.61.60.8
Percentage of Assets1.00.80.90.80.80.80.90.90.90.80.80.80.80.70.91.21.11.00.90.80.70.4
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value117511968167717777707767377237097126926626857866316046968559929061428
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest97.998.097.296.896.996.997.096.896.996.997.197.297.097.497.697.197.197.598.098.498.499.2
Percentage of Assets47.240.931.325.625.825.128.727.626.726.327.326.725.125.137.340.036.040.745.447.543.952.0
Percentage of Assets us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value-454.865-421.742-434.345-455.865-430.508-367.706-376.39-391.01-407.857-427.303-425.396-449.273-469.155-471.812-337.873-409.536-441.306-436.591-413.671-266.862-375.137135
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-37.9-34.5-51.7-57.2-53.6-46.2-47.0-51.3-54.6-58.4-58.0-63.1-68.7-67.0-41.9-63.0-70.9-61.1-47.4-26.4-40.79.4
Percentage of Assets-18.3-14.4-16.7-15.1-14.3-12.0-13.9-14.6-15.1-15.8-16.3-17.3-17.7-17.2-16.0-26.0-26.2-25.5-22.0-12.8-18.24.9
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value17751768138913811376136813571335132513341334132613171310129412871282127612701259125512511246124612551257127012871293129112901288129012991294129413041313131913431339133413281299
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets71.360.453.345.845.744.550.149.949.049.551.151.149.847.961.570.872.076.280.573.773.872.874.174.673.976.774.372.069.168.668.662.462.964.361.963.363.362.663.960.045.546.848.445.5

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value-454.865-421.742-434.345-455.865-430.508-367.706-376.39-391.01-407.857-427.303-425.396-449.273-469.155-471.812-337.873-339.654-365.229-379.326-409.536-421.185-411.3-431.217-441.306-433.184-445.879-431.681-436.591-387.358-394.666-413.925-413.671-259.241-251.893-264.292-266.862-282.822-318.169-349.784-375.137-320.50619616213530
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-18.3-14.4-16.7-15.1-14.3-12.0-13.9-14.6-15.1-15.8-16.3-17.3-17.7-17.2-16.0-18.7-20.5-22.7-26.0-24.7-24.2-25.1-26.2-25.9-26.2-26.3-25.5-21.7-21.1-22.0-22.0-12.6-12.3-13.1-12.8-13.8-15.4-16.7-18.2-14.36.75.74.91.1

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value-145.172-150.309-138.526-154.013-167.827-229.883-204.672-207.054-194.349-198.085-196.305-185.246-185.868-152.595-170.478-177.743-193.209-213.618-229.327-194.694-203.222-193.425-200.607-197.543-182.742-197.214-136.514-81.725-32.832-24.836-21.722-36.333-57.929-66.132-34.384-38.1-61.794-8.596-37.163.5478158-34.9747134
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-5.8-5.1-5.3-5.1-5.6-7.5-7.6-7.7-7.2-7.3-7.5-7.1-7.0-5.6-8.1-9.8-10.9-12.8-14.5-11.4-11.9-11.2-11.9-11.8-10.8-12.0-8.0-4.6-1.8-1.3-1.2-1.8-2.8-3.3-1.6-1.9-3.0-0.4-1.80.22.82.1-1.32.50.0

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

itri:AccumulatedNetGainLossfromDerivativeandNonderivativeInstrumentsDesignatedasHedgingInstruments


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-31
Value-14.693-13.473-16.001-17.26-17.259-15.87-15.103-13.983-14.678-13.044-13.179-10.851-11.759-12.245-13.414-14.15-14.276-14.045-14.337-17.252-17.794-16.668-14.062-15.068-15.139-15.262-15.148-15.192-15.592-15.473-15.636-15.805-15.297-16.142-16.069-16.057-14.38
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax10.19.011.611.210.36.97.46.87.66.66.75.96.38.07.98.07.46.66.38.98.88.67.07.68.37.711.118.647.562.372.043.526.424.446.742.138.7
Percentage of Assets-0.6-0.5-0.6-0.6-0.6-0.5-0.6-0.5-0.5-0.5-0.5-0.4-0.4-0.4-0.6-0.8-0.8-0.8-0.9-1.0-1.0-1.0-0.8-0.9-0.9-0.9-0.9-0.8-0.8-0.8-0.8-0.8-0.7-0.8-0.8-0.8-0.7
Percentage of Assets itri:AccumulatedNetGainLossfromDerivativeandNonderivativeInstrumentsDesignatedasHedgingInstruments0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

itri:AccumulatedOtherComprehensiveIncomeNetUnrealizedGainLossOnNonderivativeInstruments


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value-14.4-14.4-14.4-14.4-14.4-14.4-14.38-14.4-14.4-14.38-14.4-14.4-14.38-14.38-14.4-14.38-14.38-14.38-14.4-14.38-14.38-14.38-14.4-14.38-14.38-14.38-14.38-14.38-14.38-14.38-14.38-14.38-14.38-14.38-14.38-14.38-14.38-14.38-14.38-5.514
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax9.99.610.49.38.66.37.07.07.47.37.37.87.79.48.48.17.46.76.37.47.17.47.27.37.97.310.517.643.857.966.239.624.821.741.837.723.3167.338.715.8
Percentage of Assets-0.6-0.5-0.6-0.5-0.5-0.5-0.5-0.5-0.5-0.5-0.6-0.6-0.5-0.5-0.7-0.8-0.8-0.9-0.9-0.8-0.8-0.8-0.9-0.9-0.8-0.9-0.8-0.8-0.8-0.8-0.8-0.7-0.7-0.7-0.7-0.7-0.7-0.7-0.7-0.2
Percentage of Assets itri:AccumulatedOtherComprehensiveIncomeNetUnrealizedGainLossOnNonderivativeInstruments0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Accumulated
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value-37.682-31.57-24.481-24.983-25.166-25.637-27.209-27.601-28.002-28.416-31.0-31.41-31.603-32.004-30.343-29.145-28.854-28.536-32.969-33.835-34.328-34.832-9.572-9.67-9.788-9.885-15.014-15.199-15.382-15.0021.9781.9831.9611.9381.086
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax27.215.411.812.912.713.114.714.818.416.717.416.314.814.015.614.314.914.216.718.517.425.511.729.539.445.541.326.223.343.6-5.2-3.2-22.8-5.2-3.1
Percentage of Assets-1.4-1.2-0.9-0.9-0.9-1.0-1.0-1.0-1.0-1.3-1.7-1.8-1.9-2.0-1.8-1.7-1.7-1.7-2.0-2.0-2.1-2.0-0.5-0.5-0.5-0.5-0.7-0.7-0.8-0.70.10.10.10.10.0
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges


Accumulated
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value-1.621-0.7230.397-0.2981.3361.2013.5292.6212.1350.9660.230.1040.3350.043-2.872-3.414-2.2880.318-0.688-0.759-0.882-0.768-0.812-1.212-1.093-1.256-1.425-0.917-1.762-1.689-1.677-0.8490.00.0-4.52
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax1.20.4-0.20.2-0.7-0.6-1.9-1.4-1.4-0.6-0.1-0.1-0.2-0.01.51.71.2-0.20.30.40.40.61.03.74.45.83.91.62.74.94.41.4-0.0-0.012.9
Percentage of Assets-0.1-0.00.0-0.00.00.00.10.10.10.00.00.00.00.0-0.2-0.2-0.10.0-0.0-0.0-0.1-0.0-0.0-0.1-0.1-0.1-0.1-0.0-0.1-0.1-0.1-0.00.00.0-0.2
Percentage of Assets us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Accumulated
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value-84.843-157.999-168.59-154.688-159.875-157.489-147.186-146.508-112.348-128.648-132.593-147.523-167.97-182.986-147.099-156.283-147.903-158.009-149.506-133.768-147.624-86.534-56.961-7.570.4253.799-5.514-27.433-34.608-3.313-24.021-48.5483.823-24.718-26.026
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax61.277.281.479.680.780.279.578.873.675.574.676.478.679.875.676.976.578.875.773.274.963.469.723.1-1.7-17.515.247.452.39.663.078.6-44.566.574.4
Percentage of Assets-3.3-5.8-6.3-5.7-5.9-6.0-5.7-5.5-4.1-6.1-7.3-8.3-10.0-11.6-8.6-9.2-8.6-9.4-9.0-7.9-9.0-5.1-3.2-0.40.00.2-0.3-1.3-1.7-0.2-1.2-2.40.2-1.2-0.9
Percentage of Assets us-gaap:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Accumulated
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-312009-12-31
Value-138.526-204.672-207.054-194.349-198.085-196.305-185.246-185.868-152.595-170.478-177.743-193.209-213.618-229.327-194.694-203.222-193.425-200.607-197.543-182.742-197.214-136.514-81.725-32.832-24.836-21.722-36.333-57.929-66.132-34.384-38.1-61.794-8.596-37.16-34.97471
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-5.3-7.6-7.7-7.2-7.3-7.5-7.1-7.0-5.6-8.1-9.8-10.9-12.8-14.5-11.4-11.9-11.2-11.9-11.8-10.8-12.0-8.0-4.6-1.8-1.3-1.2-1.8-2.8-3.3-1.6-1.9-3.0-0.4-1.8-1.32.5
Percentage of Assets us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value252423252524242423222120201819201919181817181719181717181717171717171616151414
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.00.80.90.80.80.80.90.90.90.80.80.80.80.70.91.11.11.21.21.11.01.11.11.21.11.11.01.01.00.90.90.90.80.90.80.80.80.70.7

Stock Issued During Period Value New Issues

us-gaap:StockIssuedDuringPeriodValueNewIssues

us-gaap:StockIssuedDuringPeriodValueNewIssues


Stock
Period End2021-06-302021-03-312020-06-302020-03-312019-09-302019-06-302019-03-31
Value0.4582.0090.7062.2472.7221.4811.195
Percentage of StockIssuedDuringPeriodValueNewIssues100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.0

us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents

us-gaap:CommonStockIncludingAdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value0.4582.0090.5830.7062.2472.7221.4811.195
Percentage of StockIssuedDuringPeriodValueNewIssues100.0100.00.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStockIncludingAdditionalPaidInCapital0.00.00.00.00.00.00.00.0

us-gaap:Parent


Stock
Period End2021-06-302021-03-312020-06-302020-03-312019-09-302019-06-302019-03-31
Value0.4582.0090.7062.2472.7221.4811.195
Percentage of StockIssuedDuringPeriodValueNewIssues100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.0
Percentage of Assets us-gaap:Parent0.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value724938446.8921844505324425041-24.448762130633017332.587180.595684438549866513687505165
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.99.67.48.31.43.27.18.08.44.17.28.57.1-4.014.04.36.013.26.13.46.80.63.80.113.08.96.69.415.310.78.46.414.18.79.013.2

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-8.709-5.806-7.564-4.313-19.902-9.257-13.587-17.855-5.622-11.116-16.909-13.945-15.569-15.298-10.988-86.539-12.62-18.941-16.966-17.06-25.774-16.179-16.874-10.172-13.049
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.8-1.1-1.4-0.8-3.9-1.5-2.2-2.9-0.9-1.8-2.9-2.9-3.5-2.9-2.2-14.9-2.2-2.9-2.8-2.8-4.6-2.6-2.9-1.8-2.6

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-432.725324-414.1660.6270.226401-23.927-27.065-23.284-23.243-12.535-1.573-17.243-9.012-47.1741.884-23.226-73.342-82.715-1.03-52.366-47.714-31.617-20.915-48.391
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-88.462.5-78.90.10.067.1-3.8-4.3-3.7-3.8-2.1-0.3-3.9-1.7-9.40.3-4.1-11.4-13.4-0.2-9.3-7.7-5.5-3.7-9.7

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-367.461367-379.23441-9.6974048.2043.84724-9.363
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-75.170.8-72.27.7-1.967.61.30.63.9-1.5

Amortization Of Financing Costs

us-gaap:AmortizationOfFinancingCosts

us-gaap:AmortizationOfFinancingCosts


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1620000.02695000.01101000.01016000.01006000.01007000.01945000.01284000.01202000.01200000.01221000.01223000.01216000.03386000.0267000.0267000.0267000.0266000.0270000.0272000.0258000.0276000.0277000.0272000.01189000.0390000.0400000.0404000.0404000.0404000.0413000.0415000.0415000.0414000.0421000.0413000.0415000.0348000.0350000.03100000.0960000.01305000.01273000.01457000.01510000.01252000.0
Percentage of AmortizationOfFinancingCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value21212424242428282828303030311716151416161816171919192324252525242424272727273232323134323133
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DepreciationDepletionAndAmortization us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Depreciation
Period End2021-06-302021-03-312020-06-302020-03-31
Value10101212
Percentage of DepreciationDepletionAndAmortization47.946.451.251.9

us-gaap:DepreciationDepletionAndAmortization us-gaap:StatementBusinessSegments

itri:DeviceSolutions


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value5.6096.1886.6355.9266.0626.4356.3876.3736.3466.4365.9796.1276.4426.474
Percentage of DepreciationDepletionAndAmortization26.628.426.624.625.126.822.222.322.222.619.920.120.820.8

itri:NetworkedSolutionsSegment


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value4.2524.2754.5184.3774.3333.7373.4743.0773.2053.2483.2043.1523.0713.244
Percentage of DepreciationDepletionAndAmortization20.119.618.118.217.915.612.110.811.211.410.710.49.910.4

itri:OutcomesSegment


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1.1291.2341.2161.3271.4121.3931.3681.4081.2851.3021.6041.6211.6381.709
Percentage of DepreciationDepletionAndAmortization5.35.74.95.55.85.84.84.94.54.65.35.35.35.5

us-gaap:CorporateNonSegment


Depreciation
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value12121217171717741.041.0031.2240.9290.9010.9260.8640.137-1.2171.4320.1090.110.0950.0720.0730.0770.0790.0490.0820.1720.0410.0170.0170.0170.017
Percentage of DepreciationDepletionAndAmortization51.751.251.960.962.162.261.4249.33.43.23.95.45.56.16.00.8-7.67.60.70.60.50.40.40.30.30.20.30.70.20.10.10.10.1

Increase Decrease In Accounts Receivable

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInAccountsReceivable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-31.6272.078-26.169-30.056-50.846-1.1850.08210-8.85637-7.755.03-20.5727.76820-4.56915-13.119-5.49-2.6311.97533-3.3925.5528.877-2.02815-13.13630-15.3928.273-26.20312-8.36210-38.44712-20.8250.839.83436-24.545-7.8131.301456.167
Percentage of IncreaseDecreaseInAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Inventories

us-gaap:IncreaseDecreaseInInventories

us-gaap:IncreaseDecreaseInInventories


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value8.938-9.008-26.425-25.507150.543-6.3736.567.5431.6591513-3.6380.253-14.6011.3731811-19.136-0.3250.362-3.244-20.475232623-30.0077.1850.97415-16.9722.7099.1815-32.8721.833-8.20810-39.139-3.9182.59434-16.281161327
Percentage of IncreaseDecreaseInInventories100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Other Operating Capital Net

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value6.9781221-20.557-4.738147.8456.5531.713-7.51160.2497.749-58.95321-5.7431.123.962.986-24.4722.6520.748-2.107-7.5724.2424.99-4.103-3.059-5.7522.396-7.1930.1080.4823.4646.766-1.618-0.3943.9923.288.72928-31.673-16.4420.43814-10.663
Percentage of IncreaseDecreaseInOtherOperatingCapitalNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value724938446.8921844505324425041-24.448762130633017332.587180.595684438549866513687505165
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.99.67.48.31.43.27.18.08.44.17.28.57.1-4.014.04.36.013.26.13.46.80.63.80.113.08.96.69.415.310.78.46.414.18.79.013.2

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-33.1231221-25.357-62.8028.684141619-1.90723192.657-145.6661.7825141511-9.88519108.98612-14.1984.91-49.2337.30819-0.254-154.43-7.348122.5715353125-54.631-517.082342726272525
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-6.82.44.1-4.7-12.31.52.32.73.1-0.34.13.30.5-24.00.35.32.83.32.3-2.03.92.01.82.7-3.01.1-9.71.53.9-0.1-29.5-1.52.60.63.07.05.54.4-8.5-84.05.64.84.34.84.55.1

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-32.4451321-25.058-62.4879.162141820-0.14925193.773-145.272.37426151612-8.90220109.77913-13.4665.365-48.8297.55319-0.118-153.524-6.758123.49616353225-53.548-515.3373527
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-6.62.64.1-4.6-12.31.52.32.93.2-0.04.33.30.6-23.90.45.53.03.42.6-1.84.02.22.02.8-2.91.2-9.61.54.1-0.0-29.3-1.42.50.83.17.15.64.5-8.3-83.75.84.8

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-03-31
Value0.6780.9770.2990.3150.4781.330.6711.7580.396
Percentage of ProfitLoss-2.17.2-1.2-0.55.27.33.3-1179.9-0.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.20.10.10.10.20.10.30.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-33.12312-25.357-62.8028.6841619-1.907192.657-145.666
Percentage of ProfitLoss102.192.8101.2100.594.892.796.71279.9100.570.4100.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-6.82.4-4.7-12.31.52.73.1-0.33.30.5-24.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-03-31
Value-33.12312-25.357-62.8028.6841619-1.907-145.666
Percentage of ProfitLoss102.192.8101.2100.594.892.796.71279.9100.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-6.82.4-4.7-12.31.52.73.1-0.3-24.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.0

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value6.0886.4984.4155.0577.0998.4825.8967.2816.5787.2058.1946.458.5248.0956.1535.1194.9245.2114.7355.4223.9783.93.212.8823.8894.1085.1573.2494.874.5844.5744.1545.0265.0965.1935.0635.0584.1984.012.8834.5434.9754.8855.1014.5454.576
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-8.709-5.806-7.564-4.313-19.902-9.257-13.587-17.855-5.622-11.116-16.909-13.945-15.569-15.298-10.988-86.539-12.62-18.941-16.966-17.06-25.774-16.179-16.874-10.172-13.049
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.8-1.1-1.4-0.8-3.9-1.5-2.2-2.9-0.9-1.8-2.9-2.9-3.5-2.9-2.2-14.9-2.2-2.9-2.8-2.8-4.6-2.6-2.9-1.8-2.6

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value9.064119.9117.248161216181511171311171611129.1221210118.7911012119.4721212108.56415151414161011121417171117171116
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-432.725324-414.1660.6270.226401-23.927-27.065-23.284-23.243-12.535-1.573-17.243-9.012-47.1741.884-23.226-73.342-82.715-1.03-52.366-47.714-31.617-20.915-48.391
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-88.462.5-78.90.10.067.1-3.8-4.3-3.7-3.8-2.1-0.3-3.9-1.7-9.40.3-4.1-11.4-13.4-0.2-9.3-7.7-5.5-3.7-9.7

Repayments Of Long Term Debt

us-gaap:RepaymentsOfLongTermDebt

us-gaap:RepaymentsOfLongTermDebt


Repayments
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4404750.00.0372828441819059324.2194.219172.813502.8132.81223327.8130.0223317203020303.751813335313437482.7115248322152
Percentage of RepaymentsOfLongTermDebt100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Debt Instrument Interest Rate Stated Percentage

us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:LongtermDebtType

us-gaap:DebtInstrumentInterestRateStatedPercentage

us-gaap:SeniorNotes


Debt
Period End2020-12-312019-12-312018-12-312017-12-31
Value5.00.050.050.05
Percentage of DebtInstrumentInterestRateStatedPercentage100.0100.0100.0100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations us-gaap:SeniorNotes0.00.00.00.0

Effective Income Tax Rate Continuing Operations

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:EffectiveIncomeTaxRateContinuingOperations


Effective
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value1.026.01.032.0-0.080.45-0.070.250.31.020.110.220.50.070.1920.20.52460.360.1540.2470.270.012-0.0020.260.330.29
Percentage of EffectiveIncomeTaxRateContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber

us-gaap:EmployeeStockOption


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-312009-12-31
Value396000.0405000.0433000.0484000.0484000.0491000.0458000.0835000.0819000.0868000.0895000.0895000.0943000.01027000.0956000.0976000.0975000.01075000.0959000.0988000.01148000.01317000.01180000.01123000.01132000.01324000.01123000.01151000.01284000.01322000.01180000.01201000.01225000.01252000.01137000.01030000.01103000.01149000.01109000.01102000.01179000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:EmployeeStockOption


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-312009-12-31
Value61.2561.4861.9561.361.4861.1356.3851.2248.0647.8347.9347.9246.9249.4947.147.647.5447.9245.6445.5745.9547.6148.3149.1249.1249.3951.951.4253.4352.6854.7954.3253.7153.1454.0656.8756.156.055.9755.2152.93
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value17000.0186000.053000.020000.07000.0182000.070000.0216000.011000.0107000.0125000.0112000.014000.0136000.0132000.01000.09000.0131000.0110000.024000.00172000.0115000.004000.0315000.020000.010000.012000.0308000.00018000.0237000.012000.09000.069000.0374000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0

Deferred Tax Liabilities

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value58180185282530395566-82.507-119.437
Percentage of DeferredTaxLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilities us-gaap:Restatement

srt:RestatementAdjustment


Deferred
Period End2020-12-31
Value-117.0
Percentage of DeferredTaxLiabilities-201.7

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312017-12-302016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1322422487710.0116138149139127130154
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-312008-12-31
Value135133135125122121121113115113112787576566364595756555454322827283539292827262626262425243029424637
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value50332032328524923525616129-29.953-24.6
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

itri:CashReceiptsPaymentsForRestructuring

itri:CashReceiptsPaymentsForRestructuring


Cash
Period End2021-03-312020-09-302020-06-302020-03-31
Value-5899000.0-3505000.0-4171000.0-3253000.0
Percentage of CashReceiptsPaymentsForRestructuring100.0100.0100.0100.0

itri:CashReceiptsPaymentsForRestructuring us-gaap:RestructuringCostAndReserve

itri:AssetImpairmentAndNetGainLossOnSaleOrDisposal


Cash
Period End2021-03-312020-09-302020-06-302020-03-31
Value1868000.0-432000.002312000.0
Percentage of CashReceiptsPaymentsForRestructuring-31.712.3-0.0-71.1

us-gaap:EmployeeSeverance


Cash
Period End2021-03-312020-09-302020-06-302020-03-31
Value-6269000.0-2669000.0-3192000.0-4319000.0
Percentage of CashReceiptsPaymentsForRestructuring106.376.176.5132.8

us-gaap:OtherRestructuring


Cash
Period End2021-03-312020-09-302020-06-302020-03-31
Value-1498000.0-404000.0-979000.0-1246000.0
Percentage of CashReceiptsPaymentsForRestructuring25.411.523.538.3

itri:ClassOfWarrantOrRightAggregateProceedsFromTransaction

itri:ClassOfWarrantOrRightAggregateProceedsFromTransaction


Class
Period End2021-03-31
Value45
Percentage of ClassOfWarrantOrRightAggregateProceedsFromTransaction100.0

itri:ContractwithCustomerLiabilityRevenueRecognizedFromCurrentPeriod

itri:ContractwithCustomerLiabilityRevenueRecognizedFromCurrentPeriod


Contractwith
Period End2021-06-302021-03-31
Value527.434
Percentage of ContractwithCustomerLiabilityRevenueRecognizedFromCurrentPeriod100.0100.0

itri:ContractwithCustomerOtheradjustments

itri:ContractwithCustomerOtheradjustments


Contractwith
Period End2021-06-302021-03-312020-12-31
Value-306000.0447000.0706000.0
Percentage of ContractwithCustomerOtheradjustments100.0100.0100.0

itri:DefinedBenefitPlanSettlementAndOtherBenefitCosts

itri:DefinedBenefitPlanSettlementAndOtherBenefitCosts


Defined
Period End2020-09-302019-09-302018-09-302017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value286000.0250000.00000841000.0506000.0-4000.0-3000.046000.0375000.00-1000.022000.06000.029000.0-2000.0321000.000-814000.0097000.000
Percentage of DefinedBenefitPlanSettlementAndOtherBenefitCosts100.0100.00.00.00.00.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.00.00.0100.00.0100.00.00.0

itri:DerivativePurchasePrice us-gaap:DerivativeInstrumentRisk

itri:DerivativePurchasePrice

us-gaap:ForeignExchangeOption


Derivative
Period End2021-02-282020-06-302020-02-282020-03-312019-01-31
Value1100000.01200000.01200000.01200000.01300000.0
Percentage of DerivativePurchasePrice100.0100.0100.0100.0100.0

itri:DisposalGroupIncludingDiscontinuedInterestReceived

itri:DisposalGroupIncludingDiscontinuedInterestReceived


Disposal
Period End2021-06-302021-03-31
Value0700000.0
Percentage of DisposalGroupIncludingDiscontinuedInterestReceived0.0100.0

itri:DisposalGroupIncludingDiscontinuedOperationWorkingCapital us-gaap:DisposalGroupClassification

itri:DisposalGroupIncludingDiscontinuedOperationWorkingCapital

us-gaap:DiscontinuedOperationsDisposedOfBySale


Disposal
Period End2021-03-312020-06-252020-06-30
Value182121
Percentage of DisposalGroupIncludingDiscontinuedOperationWorkingCapital100.0100.0100.0

itri:DisposalGroupIncludingDiscontinuedPaymentsReceived us-gaap:DisposalGroupClassification

itri:DisposalGroupIncludingDiscontinuedPaymentsReceived

us-gaap:DiscontinuedOperationsDisposedOfBySale


Disposal
Period End2021-06-302021-03-312020-09-30
Value300000.03500000.02900000.0
Percentage of DisposalGroupIncludingDiscontinuedPaymentsReceived100.0100.0100.0

itri:EffectOfChangeInExchangeRates

itri:EffectOfChangeInExchangeRates


Effect
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value9000.0-30000.043000.023000.0-113000.0-105000.029000.010000.0-1000.0-309000.0155000.030000.0112000.0
Percentage of EffectOfChangeInExchangeRates100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

itri:FiniteLivedIntangibleAssetsDisposedInSaleOfBusiness

itri:FiniteLivedIntangibleAssetsDisposedInSaleOfBusiness


Finite
Period End2020-12-312020-09-30
Value-36.280.0
Percentage of FiniteLivedIntangibleAssetsDisposedInSaleOfBusiness100.00.0

itri:GainLossOnRestructuring

itri:GainLossOnRestructuring


Gain
Period End2021-06-302020-06-30
Value-192000.02683000.0
Percentage of GainLossOnRestructuring100.0100.0

itri:IncreaseDecreaseInWarranty

itri:IncreaseDecreaseInWarranty


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value-3.362-1.382-2.644-2.477-4.167-4.25-1.131-2.236-0.701-2.56917
Percentage of IncreaseDecreaseInWarranty100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

itri:OperatingLeaseRightOfUseAssetsAmortization

itri:OperatingLeaseRightOfUseAssetsAmortization


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value4.3174.332.9265.3434.4135.4965.1114.3664.5714.910.00.00.00.0
Percentage of OperatingLeaseRightOfUseAssetsAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

itri:ProductWarrantyExpenseBenefit

itri:ProductWarrantyExpenseBenefit


Product
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.2173.0753.2182.4284.131.7634.0185.9916.1871.779141.5285.9014.8623.264-3.148
Percentage of ProductWarrantyExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

itri:PurchasesOfConvertibleNoteHedgeContractsNetOfTax

itri:PurchasesOfConvertibleNoteHedgeContractsNetOfTax


Purchases
Period End2021-03-31
Value63
Percentage of PurchasesOfConvertibleNoteHedgeContractsNetOfTax100.0

itri:PurchasesOfConvertibleNoteHedgeContractsNetOfTax us-gaap:StatementEquityComponents

us-gaap:CommonStockIncludingAdditionalPaidInCapital


Purchases
Period End2021-03-31
Value63
Percentage of PurchasesOfConvertibleNoteHedgeContractsNetOfTax100.0

us-gaap:Parent


Purchases
Period End2021-03-31
Value63
Percentage of PurchasesOfConvertibleNoteHedgeContractsNetOfTax100.0

itri:StockIssuedDuringPeriodSharesNewIssuesEquityOffering us-gaap:StatementEquityComponents

itri:StockIssuedDuringPeriodSharesNewIssuesEquityOffering

us-gaap:CommonStock


Stock
Period End2021-03-31
Value4472000.0
Percentage of StockIssuedDuringPeriodSharesNewIssuesEquityOffering100.0

itri:StockIssuedDuringPeriodValueNewIssuesEquityOffering

itri:StockIssuedDuringPeriodValueNewIssuesEquityOffering


Stock
Period End2021-03-31
Value389
Percentage of StockIssuedDuringPeriodValueNewIssuesEquityOffering100.0

itri:StockIssuedDuringPeriodValueNewIssuesEquityOffering us-gaap:StatementEquityComponents

us-gaap:CommonStockIncludingAdditionalPaidInCapital


Stock
Period End2021-03-31
Value389
Percentage of StockIssuedDuringPeriodValueNewIssuesEquityOffering100.0

us-gaap:Parent


Stock
Period End2021-03-31
Value389
Percentage of StockIssuedDuringPeriodValueNewIssuesEquityOffering100.0

itri:UnrestrictedStockAwardsCompensationExpense

itri:UnrestrictedStockAwardsCompensationExpense


Unrestricted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value206000.0227000.0206000.0206000.0206000.0206000.0157000.0158000.0158000.0157000.0157000.0158000.0207000.0207000.0232000.0232000.0255000.0255000.0230000.0225000.0250000.0250000.0206000.0200000.0167000.0133000.0246000.0230000.0230000.0230000.0205000.0204000.0205000.0197000.0180000.0179000.0205000.0205000.0139000.0140000.015000.0175000.00175000.014000.0
Percentage of UnrestrictedStockAwardsCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

itri:WriteOffOfPrepaidDebtFeesOnSeniorNotes

itri:WriteOffOfPrepaidDebtFeesOnSeniorNotes


Write
Period End2021-06-30
Value11
Percentage of WriteOffOfPrepaidDebtFeesOnSeniorNotes100.0

itri:WriteOffOfPrepaidDebtFeesOnSeniorNotes us-gaap:StatementScenario

srt:ScenarioForecast


Write
Period End2021-06-30
Value11
Percentage of WriteOffOfPrepaidDebtFeesOnSeniorNotes100.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts

us-gaap:AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts


Adjustments
Period End2021-06-302021-03-312018-06-302018-03-31
Value24000.0373000.016000.07000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts100.0100.0100.0100.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts us-gaap:StatementEquityComponents

us-gaap:CommonStockIncludingAdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312018-06-302018-03-31
Value24000.0373000.0-16000.07000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts100.0100.0-100.0100.0

us-gaap:Parent


Adjustments
Period End2021-06-302021-03-312018-06-302018-03-31
Value24000.0373000.016000.07000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivableWriteOffs

us-gaap:AllowanceForDoubtfulAccountsReceivableWriteOffs


Allowance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-30
Value63000.079000.0-26000.0278000.0796000.0415000.01009000.0468000.080000.0192000.0152000.0624000.0247000.0258000.0236000.0310000.0475000.0330000.0503000.077000.0364000.01478000.046000.0162000.0325000.016000.0233000.0558000.0232000.0164000.0198000.0105000.053000.022000.0
Percentage of AllowanceForDoubtfulAccountsReceivableWriteOffs100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConcentrationRiskPercentage1 us-gaap:MajorCustomers, us-gaap:ConcentrationRiskByBenchmark

us-gaap:ConcentrationRiskPercentage1

itri:CustomerA, us-gaap:Sales


Concentration
Period End2021-03-312020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value10.00.130.110.10.110.110.10.1
Percentage of ConcentrationRiskPercentage1100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerAssetCumulativeCatchUpAdjustmentToRevenueModificationOfContract

us-gaap:ContractWithCustomerAssetCumulativeCatchUpAdjustmentToRevenueModificationOfContract


Contract
Period End2021-06-302021-03-31
Value1.5018.668
Percentage of ContractWithCustomerAssetCumulativeCatchUpAdjustmentToRevenueModificationOfContract100.0100.0

us-gaap:ContractWithCustomerAssetReclassifiedToReceivable

us-gaap:ContractWithCustomerAssetReclassifiedToReceivable


Contract
Period End2021-06-302021-03-312020-12-31
Value709157
Percentage of ContractWithCustomerAssetReclassifiedToReceivable100.0100.0100.0

us-gaap:ContractWithCustomerLiabilityRevenueRecognized

us-gaap:ContractWithCustomerLiabilityRevenueRecognized


Contract
Period End2021-06-302021-03-312020-12-312018-12-312018-09-302018-06-30
Value1958-115.7521.11.62.8
Percentage of ContractWithCustomerLiabilityRevenueRecognized100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1 us-gaap:VariableRate

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1

itri:AlternateBaseRate3


Debt
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-31
Value1.00.010.010.010.010.01
Percentage of DebtInstrumentBasisSpreadOnVariableRate1100.0100.0100.0100.0100.0100.0

us-gaap:FederalFundsEffectiveSwapRate


Debt
Period End2021-03-312020-03-312019-03-31
Value0.50.0050.005
Percentage of DebtInstrumentBasisSpreadOnVariableRate150.050.050.0

us-gaap:LondonInterbankOfferedRateLIBOR


Debt
Period End2021-03-312020-03-312019-03-312018-03-312017-03-31
Value1.750.0150.020.020.0125
Percentage of DebtInstrumentBasisSpreadOnVariableRate1175.0150.0200.0200.0125.0

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-31
Value-694000.0-695000.0-865000.0-482000.0-453000.0-455000.0-629000.0-332000.0-342000.0-345000.0-355000.0-383000.0-392000.0-403000.0-1083000.0-431000.0-403000.0-391000.0-360000.0-330000.0-334000.0-327000.0-509000.0-488000.0-485000.0-497000.0-118000.0-122000.0-123000.0-249000.0-246000.0-251000.0-1000.0-2000.0-2000.0
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit

us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value17000.017000.019000.017000.016000.016000.019000.016000.016000.017000.011000.016000.017000.017000.016000.016000.015000.015000.011000.016000.016000.015000.016000.014000.014000.015000.085000.017000.018000.018000.019000.017000.017000.017000.018000.016000.017000.017000.019000.018000.019000.018000.03000.000
Percentage of DefinedBenefitPlanAmortizationOfPriorServiceCostCredit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value88000.089000.088000.085000.0134000.0146000.0148000.0151000.0153000.0156000.0160000.0160000.0169000.0181000.0149000.0152000.0147000.0146000.0142000.0139000.0133000.0126000.0115000.0122000.0129000.0136000.0141000.0158000.0163000.0157000.0398000.079000.079000.079000.084000.080000.082000.085000.079000.080000.083000.080000.074000.073000.071000.0
Percentage of DefinedBenefitPlanExpectedReturnOnPlanAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanInterestCost

us-gaap:DefinedBenefitPlanInterestCost


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value349000.0352000.0453000.0434000.0457000.0473000.0559000.0564000.0573000.0582000.0557000.0567000.0591000.0609000.0636000.0568000.0535000.0525000.0641000.0649000.0650000.0633000.0560000.0595000.0605000.0620000.0815000.0871000.0897000.0893000.0978000.0791000.0786000.0800000.0903000.0887000.0909000.0926000.0921000.0947000.0969000.0917000.0882000.0858000.0844000.0
Percentage of DefinedBenefitPlanInterestCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value2074000.02124000.02276000.02141000.01809000.01774000.01931000.01879000.01670000.01867000.01774000.01814000.01799000.01897000.02120000.01857000.01730000.01713000.02253000.02365000.01804000.01832000.02426000.02254000.02144000.02084000.01799000.01577000.01982000.01823000.02287000.02004000.01981000.01156000.01624000.01576000.01522000.01598000.01416000.01536000.01520000.01486000.01263000.01272000.01242000.0
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanServiceCost

us-gaap:DefinedBenefitPlanServiceCost


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1102000.01149000.01027000.01007000.01017000.0976000.0872000.0868000.0892000.01079000.01009000.01008000.0968000.01049000.01122000.0994000.0924000.0928000.0542000.01003000.0941000.0986000.01410000.0904000.01169000.01089000.0809000.0723000.01079000.0948000.01187000.01026000.01011000.0981000.0631000.0655000.0676000.0738000.0657000.0637000.0601000.0617000.0487000.0493000.0475000.0
Percentage of DefinedBenefitPlanServiceCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Depreciation

us-gaap:Depreciation


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value12121312131212121212121212131110109.829101111109.53611111112131314141414141515151516161615161514
Percentage of Depreciation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DisposalGroupIncludingDiscontinuedOperationForeignCurrencyTranslationGainsLosses

us-gaap:DisposalGroupIncludingDiscontinuedOperationForeignCurrencyTranslationGainsLosses


Disposal
Period End2020-09-302020-06-302019-09-302019-06-302018-09-302017-09-302017-06-302016-09-302016-06-302015-09-302015-06-302014-09-30
Value-0.014522.4430.00.01.0890.00.0-1.4070.9620.00.0
Percentage of DisposalGroupIncludingDiscontinuedOperationForeignCurrencyTranslationGainsLosses100.0100.0100.00.00.0100.00.00.0100.0100.00.00.0

us-gaap:DisposalGroupIncludingDiscontinuedOperationForeignCurrencyTranslationGainsLosses us-gaap:DisposalGroupClassification

us-gaap:DiscontinuedOperationsDisposedOfBySale


Disposal
Period End2021-06-302021-03-312020-06-25
Value-25.91.2-52.1
Percentage of DisposalGroupIncludingDiscontinuedOperationForeignCurrencyTranslationGainsLosses0.00.00.0

us-gaap:EarlyRepaymentOfSeniorDebt

us-gaap:EarlyRepaymentOfSeniorDebt


Early
Period End2021-06-30
Value10000000.0
Percentage of EarlyRepaymentOfSeniorDebt100.0

us-gaap:EarlyRepaymentOfSeniorDebt us-gaap:StatementScenario

srt:ScenarioForecast


Early
Period End2021-06-30
Value10000000.0
Percentage of EarlyRepaymentOfSeniorDebt100.0

us-gaap:EffectOfExchangeRateOnCashAndCashEquivalents

us-gaap:EffectOfExchangeRateOnCashAndCashEquivalents


Effect
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1248000.0-1071000.0245000.03087000.0-6758000.0-1270000.0655000.072000.0-1750000.0-1334000.0-5404000.0563000.0956000.02503000.02618000.02559000.0-4693000.01330000.0-441000.01060000.0-603000.0-5517000.0-707000.0-6665000.0-4774000.0-5071000.0-854000.0-1335000.0-364000.0939000.0-760000.0-2633000.01160000.02223000.0-5370000.03195000.0-2702000.0-5198000.01283000.06062000.0-2219000.09204000.0-6267000.0-2814000.0
Percentage of EffectOfExchangeRateOnCashAndCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense

us-gaap:EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense


Employee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1318000.01363000.0829000.01070000.01420000.01767000.01229000.01443000.01275000.01443000.01632000.01259000.01594000.01534000.01514000.01192000.01100000.01228000.01134000.01289000.01296000.01208000.01039000.0809000.01225000.01149000.01471000.0850000.01388000.01287000.01314000.01085000.01391000.01364000.01455000.01358000.01375000.01189000.01119000.0700000.01257000.01402000.01249000.01421000.01324000.0
Percentage of EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsForeignCurrencyTranslationGainLoss

us-gaap:FiniteLivedIntangibleAssetsForeignCurrencyTranslationGainLoss


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value7.322-16.40428196.626-16.07514-19.9231.992.359-15.3783.531-41.862225.815162416-34.924.821-8.9866.474-8.726
Percentage of FiniteLivedIntangibleAssetsForeignCurrencyTranslationGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments us-gaap:IncomeStatementLocation

us-gaap:GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments

itri:OtherIncomeExpense


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-494000.031000.0-3482000.0-1646000.0-904000.01493000.0-1184000.0-329000.0-121000.0-790000.02484000.0-1149000.03636000.0-1523000.0-716000.0-1760000.0-2063000.0-1742000.01095000.0-559000.0856000.0-855000.0-141000.0-1278000.01070000.0-2796000.0-859000.0-2458000.0-1083000.0-848000.0-270000.0882000.0-971000.0214000.0244000.0-245000.0-244000.0-177000.0
Percentage of GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnSaleOfBusiness

us-gaap:GainLossOnSaleOfBusiness


Gain
Period End2021-06-302021-03-312020-12-312020-09-30
Value-24711000.0-1392000.0-2522000.0-380000.0
Percentage of GainLossOnSaleOfBusiness100.0100.0100.0100.0

us-gaap:GainLossOnSaleOfOtherAssets

us-gaap:GainLossOnSaleOfOtherAssets


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-06-30
Value-24.7111.392-2.522-0.38560.0
Percentage of GainLossOnSaleOfOtherAssets100.0100.0100.0100.0100.00.0

us-gaap:GoodwillForeignCurrencyTranslationGainLoss

us-gaap:GoodwillForeignCurrencyTranslationGainLoss


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value4.833-13.59417124.32-3.5796.499-12.6533.756-4.25-10.3224.566-23.719144.492101710-23.211
Percentage of GoodwillForeignCurrencyTranslationGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GoodwillForeignCurrencyTranslationGainLoss us-gaap:StatementBusinessSegments

itri:DeviceSolutions


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.198-0.5510.710.5370.214-0.1770.322-0.6270.186-0.21-0.511
Percentage of GoodwillForeignCurrencyTranslationGainLoss4.14.14.14.25.04.95.05.05.04.95.0

itri:NetworkedSolutionsSegment


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value4.011-11.28814103.554-2.9445.346-10.4083.089-3.496-8.491
Percentage of GoodwillForeignCurrencyTranslationGainLoss83.083.083.082.982.382.382.382.382.282.382.3

itri:OutcomesSegment


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.624-1.7552.2461.6590.552-0.4580.831-1.6180.481-0.544-1.32
Percentage of GoodwillForeignCurrencyTranslationGainLoss12.912.912.912.912.812.812.812.812.812.812.8

us-gaap:GoodwillPurchaseAccountingAdjustments

us-gaap:GoodwillPurchaseAccountingAdjustments


Goodwill
Period End2020-09-302019-12-312019-09-302019-06-302019-03-312013-12-312013-09-30
Value0-11956000.0005978000.000
Percentage of GoodwillPurchaseAccountingAdjustments0.0100.00.00.0100.00.00.0

us-gaap:IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability

us-gaap:IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability


Income
Period End2020-09-30
Value-10100000.0
Percentage of IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability100.0

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-16.137-26.978-28.949-6.631-76.2790.13513-1.262-15.113121521-24.827.82643-1.8748.58428-31.482-5.095-10.896104.606-35.656203.774367.309-12.94325-19.354214.349-14.629-7.999-33.551-8.772.95310-4.1765.212112.745-4.3241130
Percentage of IncreaseDecreaseInAccountsPayableAndAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInDeferredIncomeTaxes

us-gaap:IncreaseDecreaseInDeferredIncomeTaxes


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value5.051-2.1093.515-1.842-4.0625.182-2.914-2.5060.435.989-2.178-1.18916-43.052-0.538-6.195-0.8823.982-8.066-5.199-4.50713-13.025-6.6914.79211.7414.1313.9159.2675.9472.3169.2278.28-0.877-0.6970.069117.4911.488-7.56916-6.895-5.97114
Percentage of IncreaseDecreaseInDeferredIncomeTaxes100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInDeferredRevenue

us-gaap:IncreaseDecreaseInDeferredRevenue


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-0.94418-6.886-8.0015.704172.159-8.2156.7268.235-0.285-3.2877.83923-35.63-12.38-7.31914-17.126-14.197-8.83147.815-3.679-3.22511-2.56-4.760.11916-6.692-7.079-2.977132.8083.574-4.1139.74-3.792-1.2978.466150.458-5.179-10.2512
Percentage of IncreaseDecreaseInDeferredRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInEmployeeRelatedLiabilities

us-gaap:IncreaseDecreaseInEmployeeRelatedLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value125.458-6.218-17.3018.832-19.9770.615165.0198.465-11.7311.404-15.67616-4.292-6.08114-1.796-3.708-3.1935.369.349-14.976104.067-10.3433.6172.2444.2010.2725.849-2.1830.885-6.5467.902-5.6252.114-13.3588.205-6.4877.852-29.383157.1519.38710
Percentage of IncreaseDecreaseInEmployeeRelatedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherCurrentAssets

us-gaap:IncreaseDecreaseInOtherCurrentAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-6.472-15.692-1.035.0013.3354.52620-3.9193.38311137.876-6.9288.849-31.60419-7.26411-36.2965.0425.0925.457-17.208-4.347-0.3529.3954.149-3.8057.5561.547-5.3040.0392.5416.867-1.4737.8626.4027.261-4.813-12.5969.21125.87910
Percentage of IncreaseDecreaseInOtherCurrentAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherNoncurrentAssets

us-gaap:IncreaseDecreaseInOtherNoncurrentAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-13.8347.6278.844-1.372-2.5826.5010.892-1.329-6.282-0.3340.7970.697-0.005-4.509-0.77-8.274-1.54-0.6468.838-5.8320.278-2.9454.326-0.199-0.460.054-2.9781.7080.58-0.8923.626-0.23-0.94-3.549-8.9541.935-2.251-1.308-0.098-5.4942.0582010-2.405
Percentage of IncreaseDecreaseInOtherNoncurrentAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements


Incremental
Period End2021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value438000.00431000.048000.0425000.0297000.000569000.0546000.0017000.0754000.0649000.0741000.0102000.00280000.0317000.020000.0244000.00316000.0-248000.0280000.0188000.00-298000.00247000.0350000.023000.0319000.0239000.0303000.000407000.0499000.02000.0428000.0549000.0
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements100.00.0100.0100.0100.0100.00.00.0100.0100.00.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.00.0100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0

us-gaap:InterestIncomeOther

us-gaap:InterestIncomeOther


Interest
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-30
Value432000.0542000.0354000.01258000.0553000.0517000.0534000.0328000.0431000.0633000.0661000.0729000.0470000.0269000.0102000.0221000.0271000.0180000.0213000.047000.0163000.053000.097000.0146000.0194000.01061000.0297000.0177000.0
Percentage of InterestIncomeOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value5.658-15.012211311-25.44510-16.3455.187-2.386-10.303-0.678-34.16164.55132015-35.8879.184-6.97310-9.957-16.713-61.09-29.573-49.391-7.995-3.3749.313217.175-31.2952024-52.37128-42.053-80.18323
Percentage of OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value5.658-15.012211311-25.44510-16.345
Percentage of OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value2.856-11.6039.9418.663-24.629-11.766.31-1.848
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value-7.538-1.234-0.4510.5340.6580.5880.3360.3271.6530.00.00.02.3540.00.00.0-5.478-0.626-0.008-0.0794.5710.00.0-0.001-24.8190.1950.434-0.0026.4960.5660.0-0.566-16.7720.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax0.0-12.4-5.2-2.20.0-5.05.3-17.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value-2.8023.409-2.275-2.813-2.1960.282-0.9343.9970.7870.211-2.1840.6922.8951.1830.6550.035-0.390.062.6220.371-1.298-2.7820.757-0.182-0.13-0.369-0.2220.134-0.383-0.095-0.092-0.6780.845-0.073-0.012-0.828
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax-98.1-29.40.0-28.3-25.3-1.10.0-34.012.5-11.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value5.658-15.012211311-25.44510-16.3455.187-2.386-10.303-0.678-34.16164.55132015-35.8879.184-6.97310-9.957-16.713-61.09-29.573-49.391-7.995-3.3749.313217.175-31.2952024
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax198.1129.40.0140.7130.6103.30.0139.082.2129.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-31
Value5.302-11.21561-26.717-12.9153.582-1.8260.71-33.148181520158.284-10.3255.776-15.0714-61.218-49.032-7.887-3.121218.397-28.08523-54.19328
Percentage of OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax

us-gaap:OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-31
Value-2802000.03427000.0-2887000.0-2331000.0-10000.04088000.0651000.0171000.0712000.03068000.01436000.057000.0-634000.097000.0602000.0-2128000.0-4513000.0-296000.0-211000.0-597000.0217000.0-618000.0-155000.0-1021000.01336000.0-92000.0-1332000.0-1365000.00
Percentage of OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax

us-gaap:OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value-1220000.02528000.01259000.0-1000.0-1389000.0-767000.0-1120000.0695000.0-1634000.0135000.0-2328000.0908000.0486000.01169000.0736000.0126000.0-231000.0292000.02915000.0542000.0-1126000.0-2606000.01006000.071000.0123000.0-114000.044000.0400000.0-119000.0163000.0
Percentage of OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax

us-gaap:OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-31
Value018000.0-74000.0-135000.0-292000.091000.0-136000.0-40000.020000.0173000.0253000.022000.0-244000.037000.0231000.0-830000.0-1731000.0-114000.0-81000.0-228000.0-83000.0235000.060000.0343000.0-491000.019000.0504000.0516000.00
Percentage of OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-31
Value5.811-14.9251510-26.593-16.5015.352-2.254-0.576-34.271161420159.128-6.7310-17.02513-61.544-49.82-7.865-3.523216.798-27.44725-52.84728
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax


Other
Period End2020-12-312020-09-302020-06-302019-12-312019-09-302019-06-30
Value0.00.014520.0-2.4430.0
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax0.0100.0100.00.0100.00.0

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-31
Value153000.087000.01533000.0-625000.0-1148000.0-156000.0165000.0132000.0102000.0-111000.0-7000.0328000.073000.050000.0-56000.0243000.0352000.0-325000.083000.0-454000.0429000.0-130000.0149000.0-73000.0377000.0-3848000.0-558000.0476000.0-161000.0
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value5.137-11.783151362-25.2112.382-12.7053.736-1.78-11.0590.622-33.273177.265152015-34.6338.528-9.7977.182-4.518-14.80114-60.7-54.789-48.893-7.996-3.11414218.203-31.7483.71623-53.19828-40.707-77.84322
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-03-312016-03-31
Value7986000.0893000.0457000.0-538000.0-648000.0-598000.0-378000.0-342000.0-2343000.00000113000.0
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0100.0

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-03-312016-03-31
Value7538000.01234000.0451000.0-534000.0-658000.0-588000.0-336000.0-327000.0-1653000.0000079000.0
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0100.0

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-0.699-0.7017.0010.159-0.047-1.0017.089-0.502-0.183-0.471-1.572-0.392-0.401-0.414-0.41-0.193-0.4011.6611.1980.2910.318-4.433-0.866-0.493-0.50425-0.098-0.118-0.097-5.129-0.185-0.1830.38160.005-0.022-0.023
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBeforeReclassificationAdjustmentsTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBeforeReclassificationAdjustmentsTax


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-03-312016-03-31
Value448000.0-341000.06000.0-4000.010000.0-10000.0-42000.0-15000.0-690000.0000034000.0
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBeforeReclassificationAdjustmentsTax100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0100.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value-1582000.0414000.0-3602000.0-2879000.0-832000.01123000.0278000.03453000.02610000.0264000.0309000.0-175000.02354000.019000.0-131000.0-148000.0-259000.0-378000.0-477000.0-279000.0-280000.0-286000.0-404000.0-412000.0-411000.0-412000.0-429000.0-430000.0-427000.0-418000.0-423000.0-274000.00000
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation

itri:InterestRateSwap2, us-gaap:InterestExpense


Other
Period End2021-06-302021-03-31
Value0-1681000.0
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax-0.0-406.0

us-gaap:CurrencySwap, itri:OtherIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-1598000.02254000.0-2790000.0-2242000.0-714000.0517000.0-1118000.02168000.0-607000.0892000.0-703000.0-733000.02368000.00000
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax101.0544.477.577.985.846.0-402.262.8-23.3337.9-227.5418.9100.60.0-0.0-0.0-0.0

us-gaap:CurrencySwap, us-gaap:InterestExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value24000.070000.082000.088000.0145000.0305000.0335000.0387000.0416000.0494000.0379000.0363000.0207000.00000
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax-1.516.9-2.3-3.1-17.427.2120.511.215.9187.1122.7-207.48.80.0-0.0-0.0-0.0

us-gaap:ForeignExchangeOption, us-gaap:CostOfSales


Other
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-8000.0-616000.0-450000.0-161000.00690000.0289000.0162000.000000
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax0.517.115.619.40.0248.28.46.20.00.0-0.00.00.0

us-gaap:InterestRateCap, us-gaap:InterestExpense


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value00194000.0197000.0197000.0252000.0305000.0292000.0246000.0-149000.0-466000.0-70000.0-62000.0-55000.0-50000.0-43000.0-21000.0-6000.0000000
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax-0.0-0.0-23.317.570.97.311.7110.679.685.1-19.8-368.447.337.219.311.44.42.2-0.0-0.0-0.0-0.0-0.0-0.0

us-gaap:InterestRateSwap, us-gaap:InterestExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value0-229000.0-278000.0-274000.0-296000.0104000.0173000.0359000.0453000.0466000.0416000.0314000.0246000.088000.0-69000.0-92000.0-210000.0
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax-0.0-55.37.79.535.69.362.210.417.4176.5134.6-179.410.5463.252.762.281.1

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value-1582000.0881000.0-3534000.0-2812000.0-807000.01049000.0186000.03302000.02421000.076000.0144000.0-216000.02409000.014000.0-81000.0-91000.0-159000.0-232000.0-293000.0-171000.0-172000.0-176000.0-249000.0-253000.0-253000.0-255000.0-266000.0-266000.0-264000.0-258000.0-261000.0-170000.00000
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value0-467000.0-68000.0-67000.0-25000.074000.092000.0151000.0189000.0188000.0165000.041000.0-55000.05000.0-50000.0-57000.0-100000.0-146000.0-184000.0-108000.0-108000.0-110000.0-155000.0-159000.0-158000.0-157000.0-1137000.0164000.0163000.0160000.0-370000.0104000.00000
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value711000.0712000.01170000.0499000.0469000.0471000.0-7976000.0-90000.0-189000.0179000.0368000.0399000.0409000.0420000.0511000.0447000.0418000.0406000.05272000.0-1725000.0-340000.0-342000.0
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value699000.0701000.01075000.0498000.0467000.0-86000.0-153000.0144000.0392000.0401000.0414000.0410000.0193000.0401000.0-1198000.0-291000.0-239000.0
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value12000.011000.0633000.0-576000.0-29000.04000.0-229000.0-4000.0-36000.035000.0449000.07000.08000.06000.0281000.037000.0225000.05000.0742000.0-527000.0-49000.0-103000.0
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossTax

us-gaap:OtherComprehensiveIncomeLossTax


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value0.1650.5831.291-0.77-1.506-0.21-0.154-0.0460.0880.1250.2470.4440.1540.238-0.244-0.528-1.406-0.2690.166-0.5180.139-0.1090.0070.085-0.194-3.663-0.0550.995-0.157-0.076-0.8090.1353.77-4.4945.99-8.99
Percentage of OtherComprehensiveIncomeLossTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value-2802000.03409000.0-2275000.0-2813000.0-2196000.0282000.0-934000.03997000.0787000.0211000.0-2184000.0692000.02895000.01183000.0655000.035000.0-390000.060000.02622000.0371000.0-1298000.0-2782000.0757000.0-182000.0-130000.0-369000.0-222000.0134000.0-383000.0-95000.0-92000.0-678000.0845000.0-73000.0-12000.0-828000.0-849000.00-13000.02086000.0-224000.060000.0-10000.0-378000.0-517000.0
Percentage of OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherNoncashIncomeExpense

us-gaap:OtherNoncashIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-13522000.0-391000.0-6536000.0-3569000.0-1161000.0874000.0-1826000.02650000.03515000.0-44000.0-1482000.01235000.0-1311000.0106000.0-562000.0-716000.0-1449000.0-946000.0-5043000.0368000.0432000.0-66000.0-126000.0-958000.0-582000.0-337000.0-794000.0-35000.0-53000.0-32000.0-1013000.0786000.0-128000.0-196000.070000.0108000.0874000.0-863000.0-1956000.0-1676000.0-2285000.02000000.0-1557000.0-702000.0
Percentage of OtherNoncashIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForHedgeFinancingActivities

us-gaap:PaymentsForHedgeFinancingActivities


Payments
Period End2021-06-302021-03-31
Value0.084
Percentage of PaymentsForHedgeFinancingActivities0.0100.0

us-gaap:PaymentsForProceedsFromBusinessesAndInterestInAffiliates

us-gaap:PaymentsForProceedsFromBusinessesAndInterestInAffiliates


Payments
Period End2021-06-302021-03-312020-12-312020-09-30
Value-300000.0-2842000.0-1881000.04378000.0
Percentage of PaymentsForProceedsFromBusinessesAndInterestInAffiliates100.0100.0100.0100.0

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsForProceedsFromOtherInvestingActivities


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-0.055-2.764-0.466-0.053-0.175-3.345-2.592-0.204-9.474-0.299-0.55-0.3620.643-0.1-0.692-0.4660.3780.0781.7760.2841.532-0.558-0.1760.148-0.8110.118-3.1920.2490.111-0.167-0.404-3.464-0.185-0.056-0.11-0.012-3.71-0.283-0.793-0.121-0.208-0.305-1.136-0.917-1.393-3.102
Percentage of PaymentsForProceedsFromOtherInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfDebtIssuanceCosts

us-gaap:PaymentsOfDebtIssuanceCosts


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.299111.3870.00.0090.1751.3850.00.00.1750.00.00.0240.00.00.00.0
Percentage of PaymentsOfDebtIssuanceCosts100.0100.0100.00.0100.0100.0100.00.00.0100.00.00.00.0100.00.00.00.00.0

us-gaap:ProceedsFromConvertibleDebt us-gaap:LongtermDebtType

us-gaap:ProceedsFromConvertibleDebt

us-gaap:ConvertibleDebt


Proceeds
Period End2021-03-12
Value448
Percentage of ProceedsFromConvertibleDebt100.0

us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:ProceedsFromIssuanceOfCommonStock


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.0172.2383.8270.8761.2722.911173.1162.2431.7580.8883.3561.5433.3840.8120.5991.7930.4050.8980.0371.2960.660.4340.3651.4130.4511.3230.7941.220.311.4571.2521.5171.0731.0031.3711.4290.9781.1130.9591.4111.1420.8451.1192.274.542
Percentage of ProceedsFromIssuanceOfCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromIssuanceOfPrivatePlacement

us-gaap:ProceedsFromIssuanceOfPrivatePlacement


Proceeds
Period End2021-06-302021-03-31
Value0.0389
Percentage of ProceedsFromIssuanceOfPrivatePlacement0.0100.0

us-gaap:ProceedsFromIssuanceOfWarrants

us-gaap:ProceedsFromIssuanceOfWarrants


Proceeds
Period End2021-06-302021-03-31
Value0.045
Percentage of ProceedsFromIssuanceOfWarrants0.0100.0

us-gaap:ProceedsFromIssuanceOfWarrants us-gaap:StatementEquityComponents

us-gaap:CommonStockIncludingAdditionalPaidInCapital


Proceeds
Period End2021-03-31
Value45
Percentage of ProceedsFromIssuanceOfWarrants100.0

us-gaap:Parent


Proceeds
Period End2021-03-31
Value45
Percentage of ProceedsFromIssuanceOfWarrants100.0

us-gaap:ProceedsFromLongTermLinesOfCredit

us-gaap:ProceedsFromLongTermLinesOfCredit


Proceeds
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302012-09-302011-09-30
Value0.04600.00.04000.020300.0565550.0350.00.00.00.01511630.00.00.0200.0670
Percentage of ProceedsFromLongTermLinesOfCredit0.0100.00.00.0100.00.0100.0100.00.0100.0100.00.0100.00.00.00.00.0100.0100.0100.00.00.00.0100.00.0100.0

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value6557000.0-1564000.0-2543000.0-249000.0-1701000.0-335000.0-2471000.0-2056000.0-936000.0-2229000.0639000.0-2946000.0-1534000.0-1046000.0-8803000.0264000.0797000.0155000.0986000.01021000.0-2390000.0-2289000.0-8990000.05823000.0-5128000.01186000.0-3473000.01191000.03448000.0-2244000.01225000.0-455000.01586000.0634000.0476000.0-71000.0-411000.0140000.0-1277000.0-5000000.0-118000.0-201000.0195000.0-93000.0-2141000.0-96000.0
Percentage of ProceedsFromPaymentsForOtherFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProductWarrantyAccrualPayments

us-gaap:ProductWarrantyAccrualPayments


Product
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value3.5154.3696.2335.0448.3655.945.9468.4537.4346.0833.7722.1642.7084.1083.7223.7734.2486.3514.8764.4857.6137.39117.1474.2833.2814.4555.6053.8772.6314.9228.2835.2895.0997.354128.255
Percentage of ProductWarrantyAccrualPayments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProductWarrantyAccrualPreexistingIncreaseDecrease

us-gaap:ProductWarrantyAccrualPreexistingIncreaseDecrease


Product
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value-0.6832.2892.31.6433.10.6933.1624.6036.071.861130.6594.4374.0442.052-4.3460.2191.6822.2361.6621.0011.0347.5162.363234.0090.0432.632-1.0392.0933.3511.3543.6112.0273.942-1.552-3.77
Percentage of ProductWarrantyAccrualPreexistingIncreaseDecrease100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProvisionForDoubtfulAccounts

us-gaap:ProvisionForDoubtfulAccounts


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value25000.0-67000.0-617000.0-21000.0-171000.0510000.0228000.0-1000.0365000.02103000.02725000.0-105000.0334000.0920000.0143000.0769000.0441000.0303000.0
Percentage of ProvisionForDoubtfulAccounts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax


Reclassification
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302017-09-30
Value-2.2810.18-3.873-53.3930.5820.9452.574-0.0680.0-1.089
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value-0.699-0.701-0.537-1.075-0.498-0.4677.7470.0860.153-0.1440.081-0.392-0.401-0.414-0.23-0.41-0.193-0.401-3.8170.5720.2830.2390.138-0.866-0.493-0.5050.4410.0970.316-0.0991.3670.381-0.183-0.1860.2080.005
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax30.6-389.40.027.80.9-80.20.09.15.9211.80.00.00.00.00.037.60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-1.5820.881-3.534-2.812-0.8071.0490.1863.3022.4210.0760.144-0.2162.4090.014-0.081-0.091-0.159-0.232-0.293-0.171-0.172-0.176-0.249-0.253-0.253-0.255-0.266-0.266-0.264-0.258-0.261-0.170.00.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax69.4489.40.072.61.5180.20.0349.494.1-111.80.00.00.00.00.08.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Reclassification
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value0.00.014-52.0880.00.0-2.4430.00.00.00.00.00.00.605-1.0890.00.00.00.01.4070.00.0-0.9620.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax0.0-0.497.60.00.0-258.50.0-0.00.00.00.00.00.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RepaymentsOfLinesOfCredit us-gaap:LongtermDebtType

us-gaap:RepaymentsOfLinesOfCredit

us-gaap:RevolvingCreditFacility


Repayments
Period End2020-12-31
Value400
Percentage of RepaymentsOfLinesOfCredit100.0

us-gaap:RepaymentsOfLinesOfCredit us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

us-gaap:LineOfCredit, us-gaap:SubsequentEvent


Repayments
Period End2020-11-02
Value100
Percentage of RepaymentsOfLinesOfCredit0.0

us-gaap:RestrictedStockExpense

us-gaap:RestrictedStockExpense


Restricted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value5.5115.9313.714.3996.3677.8095.3826.7345.9776.4677.0565.3817.3657.0575.24.174.0714.2973.8894.5953.1433.0962.3611.9693.0793.3264.2842.4134.0943.83.8243.2584.1584.2354.3024.394.3753.5163.5222.9163.8533.5513.8863.9623.441
Percentage of RestrictedStockExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestructuringCharges

us-gaap:RestructuringCharges


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value0.192-1.98-4.51844-2.683-0.248-1.4076.592-6.1697.262-5.7250.666-5.62387-0.999-0.6785.0433.0527.79640-1.6222.2372.423-0.005-4.234-5.447530.058-7.7935.5242.72283.3851.013-1.79-5.0547.720.789651.0961.9070.00.00.00.0
Percentage of RestructuringCharges100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:RestructuringCharges us-gaap:RestructuringCostAndReserve

itri:AssetImpairmentAndNetGainLossOnSaleOrDisposal


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-31
Value0.923-0.045-0.637.664-0.191-0.9550.3623.148-5.3910.0960.291-0.0560.5770.047-1.577-0.80.080.02.0355.284-1.2451.114-0.4191.1285.220.00.00.01.2320.00.0010.026-6.3281.4870.0
Percentage of RestructuringCharges480.72.313.917.27.1385.1-25.747.887.41.3-5.1-8.4-10.30.1157.9118.01.60.026.113.076.849.8-17.3-22560.09.80.0-0.00.045.30.00.02.6125.219.30.0

us-gaap:EmployeeSeverance


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-2.391-5.015-4.8936-3.783-0.517-1.8381.835-2.8292.224-9.243-0.649-7.32686-4.663-0.6754.1911.3165.02435-1.151.0271.314-1.80647-0.773-8.9174.1951.035282.570.084-2.002-0.2123.3410.539
Percentage of RestructuringCharges-1245.3253.3108.282.0141.0208.5130.627.845.930.6161.4-97.4130.399.0466.899.683.143.164.486.170.945.954.236120.089.4-1332.8114.475.938.199.275.98.3111.84.243.368.3

us-gaap:OtherRestructuring


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value1.663.081.0020.3431.2911.2240.0691.6092.0514.9423.2271.3711.1260.8325.2410.7970.7721.7360.7370.3530.7730.0961.5280.6730.4010.8311.1241.3290.4530.228
Percentage of RestructuringCharges864.6-155.6-22.20.8-48.1-493.5-4.924.4-33.268.1-56.4205.9-20.00.9-524.6-117.615.356.99.50.9-47.74.363.1-13460.00.81432.8-14.424.116.70.8

us-gaap:RestructuringCharges us-gaap:RestructuringCostAndReserve, us-gaap:RestructuringPlan

itri:AssetImpairmentAndNetGainLossOnSaleOrDisposal, itri:A2018Projects


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.9230.038-0.3340.424-0.191-0.9550.143.4710.0130.1010.002
Percentage of RestructuringCharges480.7-1.97.41.07.1385.1-10.052.7-0.21.4-0.0

itri:AssetImpairmentAndNetGainLossOnSaleOrDisposal, itri:A2020Projects


Restructuring
Period End2021-06-302021-03-312020-12-31
Value0.0-0.083-0.296
Percentage of RestructuringCharges0.04.26.6

us-gaap:EmployeeSeverance, itri:A2018Projects


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-0.744-1.697-4.49-0.17-3.783-0.517-1.811.208-2.8381.795-7.8910.0-6.32487
Percentage of RestructuringCharges-387.585.799.4-0.4141.0208.5128.618.346.024.7137.80.0112.5100.1

us-gaap:EmployeeSeverance, itri:A2020Projects


Restructuring
Period End2021-06-302021-03-312020-12-31
Value-1.647-3.318-0.4
Percentage of RestructuringCharges-857.8167.68.9

us-gaap:OtherRestructuring, itri:A2018Projects


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.8632.3090.9390.3431.2911.2240.2941.5121.653.7362.9480.8620.4180.0
Percentage of RestructuringCharges449.5-116.6-20.80.8-48.1-493.5-20.922.9-26.751.4-51.5129.4-7.40.0

us-gaap:OtherRestructuring, itri:A2020Projects


Restructuring
Period End2021-06-302021-03-31
Value0.7970.771
Percentage of RestructuringCharges415.1-38.9

us-gaap:RestructuringCharges us-gaap:RestructuringPlan

itri:A2018Projects


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1.0420.65-3.8850.597-2.683-0.248-1.3766.191-1.1755.632-4.9410.977-5.90687
Percentage of RestructuringCharges542.7-32.886.01.3100.0100.097.893.919.077.686.3146.7105.0100.1

itri:A2020Projects


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-17
Value-0.85-2.63-0.63343
Percentage of RestructuringCharges-442.7132.814.00.0

us-gaap:RestructuringCosts

us-gaap:RestructuringCosts


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value0.923-0.045-0.637.664-0.191-0.9550.3623.148-5.3910.0960.29-0.0550.5770.047-1.577-0.80.080.02.0355.284-1.2451.114-0.4191.1280.00.2675.220.00.00.01.2320.00.0010.0260.002-6.3281.4870.0250.0
Percentage of RestructuringCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.00.0100.0100.00.00.00.0100.00.0100.0100.0100.0100.0100.00.0100.00.0

us-gaap:RestructuringCostsAndAssetImpairmentCharges

us-gaap:RestructuringCostsAndAssetImpairmentCharges


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value1062000.01823000.0-296000.07232000.0-191000.01357000.0-76000.03791000.0001000.0276000.0577000.047000.02127000.0-800000.080000.002035000.05284000.0-1245000.01114000.0-419000.01128000.00267000.05220000.00001232000.001000.026000.0-2000.06328000.0-1487000.00
Percentage of RestructuringCostsAndAssetImpairmentCharges100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.00.0100.0100.00.00.00.0100.00.0100.0100.0100.0100.0100.00.0

us-gaap:RestructuringCostsAndAssetImpairmentCharges us-gaap:RestructuringCostAndReserve

itri:AssetImpairmentAndNetGainLossOnSaleOrDisposal


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value1062000.01823000.0-296000.09564000.0191000.0-1357000.07506000.0-3791000.0001000.0276000.0577000.047000.02127000.0-800000.080000.002035000.05284000.0-1245000.01114000.0-419000.01128000.00267000.05220000.00001232000.001000.026000.0-2000.06328000.0-1487000.00
Percentage of RestructuringCostsAndAssetImpairmentCharges100.0100.0100.0132.2-100.0-100.0-9876.3-100.00.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.00.0100.0100.00.00.00.0100.00.0100.0100.0100.0100.0100.00.0

us-gaap:RestructuringReserveTranslationAdjustment

us-gaap:RestructuringReserveTranslationAdjustment


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-806000.02283000.06121000.0-1275000.0-582000.0487000.0-3712000.02284000.0-693000.0812000.0-10375000.0-1054000.06620000.0-1568000.08695000.0-1182000.0-1772000.0-1195000.0-2772000.0245000.0-407000.0262000.0-541000.0-129000.01125000.0-5800000.0-1168000.0-1263000.0-260000.0-115000.0708000.0639000.05000.0-480000.0
Percentage of RestructuringReserveTranslationAdjustment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestructuringReserveTranslationAdjustment us-gaap:RestructuringCostAndReserve

us-gaap:EmployeeSeverance


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-785000.02250000.06082000.0-1454000.0583000.0-487000.01089000.0-2280000.0692000.0-822000.0-10372000.0-1053000.06615000.0-1566000.08684000.0-1181000.0-1770000.0-1193000.0-2751000.0231000.0-488000.0352000.0-586000.0-115000.01254000.0-5702000.0-1067000.0-1073000.0-332000.0-124000.0687000.0642000.025000.0-472000.0
Percentage of RestructuringReserveTranslationAdjustment97.498.699.4114.0-100.2-100.0-29.3-99.8-99.9-101.2100.099.999.999.999.999.999.999.899.294.3119.9134.4108.389.1111.598.391.485.0127.7107.897.0100.5500.098.3

us-gaap:OtherRestructuring


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value-21000.033000.039000.0-11000.0-1000.005000.0-4000.01000.010000.0-3000.0-1000.05000.0-2000.011000.0-1000.0-2000.0-2000.0-21000.014000.081000.0-90000.045000.0-14000.0-129000.0-98000.0-101000.0-190000.072000.09000.021000.0-3000.0
Percentage of RestructuringReserveTranslationAdjustment2.61.40.60.90.20.0-0.1-0.2-0.11.20.00.10.10.10.10.10.10.20.85.7-19.9-34.4-8.310.9-11.51.78.615.0-27.7-7.83.0-0.5

us-gaap:SaleOfStockConsiderationReceivedOnTransaction us-gaap:SubsidiarySaleOfStock

us-gaap:SaleOfStockConsiderationReceivedOnTransaction

us-gaap:OverAllotmentOption


Sale
Period End2021-03-12
Value389
Percentage of SaleOfStockConsiderationReceivedOnTransaction100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-0.7674.412.84-0.15-0.340.4466.17-0.27-0.410.1268.443.291.677.9235.68
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-1.34100.280.08-2.63-1.287.170.935.640.3656.04-7.74-2.39-1.6969.3-14.590.062.3663.1201.56040.02-0.210035.30.10.150.1135.38000.3842.13-0.08-0.04-0.948.23
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.0100.00.00.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType, us-gaap:PlanName

us-gaap:RestrictedStockUnitsRSU, itri:LongTermPerformanceRestrictedStockAward


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-03-31
Value0113.750.9261.45094.28072.18060.9100078.56080.6475.5877.78063.1044.770036.6533.46043.0541.4728.880045.744.9344.93
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue-0.0113.41150.0-2336.5-0.0108.20.01279.80.0108.7-0.0-0.0-0.0113.4-0.0134400.03202.5123.20.04044.90.0111.9-0.00.00.094.80.028700.037700.081.60.00.012026.3106.693.2

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType, us-gaap:Vesting

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue

us-gaap:RestrictedStockUnitsRSU, itri:VestedAndReleased


Share
Period End2021-06-302021-03-312020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-0.7574.10.240.490.371.1360.290.831.075.8347.18-1.580.250.1338.13
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate

us-gaap:EmployeeStockOption


Share
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value0.241.500.3100.31700-0.0010.28600.30900.290.3080.32700.33700.335-0.00200.3390.34500.33600.3980000.381-0.006000.427
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate100.0100.00.0100.00.0100.00.00.0100.0100.00.0100.00.0100.0100.0100.00.0100.00.0100.0100.00.0100.0100.00.0100.00.0100.00.00.00.0100.0100.00.00.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate us-gaap:AwardType, us-gaap:PlanName

us-gaap:RestrictedStockUnitsRSU, itri:LongTermPerformanceRestrictedStockAward


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value050.56.752.600.37600.33400.3130000.2800.2790.280.2800.28800.3000.2840.30100.3010.340.309000.3910.391
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate0.00.03350.0126.70.0121.30.0105.40.00.0-0.00.00.090.60.096.290.985.60.085.50.089.6-0.00.083.887.20.089.60.077.60.00.00.0102.6

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate

us-gaap:EmployeeStockOption


Share
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value00.300.01400.0170000.02900.02800.0180.0180.0200.01300.013000.0160.01700.01900.0170000.01-0.001000.009
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate0.0100.00.0100.00.0100.00.00.00.0100.00.0100.00.0100.0100.0100.00.0100.00.0100.00.00.0100.0100.00.0100.00.0100.00.00.00.0100.0100.00.00.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate us-gaap:AwardType, us-gaap:PlanName

us-gaap:RestrictedStockUnitsRSU, itri:LongTermPerformanceRestrictedStockAward


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value00.2-0.50.200.01500.01800.0250000.02200.0140.0140.0100.00800.007000.0090.00700.0070.0060.002000.0030.003
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate0.00.00.066.70.0107.10.0105.90.00.00.00.00.078.60.077.877.850.00.061.50.053.80.00.056.241.20.036.80.011.80.00.00.030.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue

us-gaap:EmployeeStockOption


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value0.1950.9260.8720.0580.1970.934131.6880.8460.2110.0111.730.6752.1040.0990.0390.8130.120.5280.0190.1220.0730.00.00.0090.0170.280.0360.4850.0250.310.4280.4680.1710.1060.3960.2960.28
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross

us-gaap:EmployeeStockOption


Share
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value3000.07000.0073000.005000.016000.00101000.003000.011000.0121000.006000.00185000.084000.003000.0204000.0013000.00147000.01000.000129000.0142000.00054000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross100.0100.00.0100.00.0100.0100.00.0100.00.0100.0100.0100.00.0100.00.0100.0100.00.0100.0100.00.0100.00.0100.0100.00.00.0100.0100.00.00.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

us-gaap:EmployeeStockOption


Share
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value0.16-0.51026.720-0.26-0.28024.830.0121.8421.7122.01017.37013.15-0.060012.1500.01013.6400015.44-2.130018.64
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue100.0100.00.0100.00.0100.0100.00.0100.0100.0100.0100.0100.00.0100.00.0100.0100.00.00.0100.00.0100.00.0100.00.00.00.0100.0100.00.00.0100.0

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice

us-gaap:EmployeeStockOption


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-0.0767.043.09-0.62-2.5154.033.45-0.47-4.4244.990.01-1.1-0.2340.311.241.12.2935.291.690.02035.29009.426.651.862.47-12.0135.711.47-0.96-5.5628.92-0.211.8-1.2821.6
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice

us-gaap:EmployeeStockOption


Share
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value0.01-2.89087.270-0.69-0.4069.300.140.2565.5500.36040.04-0.0500.0135.2900.46035.1900042.76-4.960048.23
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice100.0100.00.0100.00.0100.0100.00.0100.00.0100.0100.0100.00.0100.00.0100.0100.00.0100.0100.00.0100.00.0100.00.00.00.0100.0100.00.00.0100.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1


Sharebased
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value7.3137.6156.065.6398.1598.9156.9328.1037.1038.1238.327.2129.1118.7856.395.7455.4165.6035.1545.7934.1893.9763.212.882
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueVested us-gaap:AwardType, us-gaap:Vesting

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueVested

us-gaap:RestrictedStockUnitsRSU, itri:VestedAndReleased


Sharebased
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-30
Value1.467181.75519-9.948122.4524.5483.23195.8143.1446.378171.1220.5640.467121.1210.3940.331100.3520.2590.705100.2041.152110.2981.478121.299
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueVested100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedStockUnitsRSU, itri:VestedButNotReleased


Sharebased
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-30
Value0.1440.8454.2870.0150.0610.4735.4350.0860.1550.3615.281-0.07-0.0730.7298.990.2130.0730.374-0.1860.2560.207-0.012-0.010.1810.0120.0710.30.012
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueVested9.84.7244.30.1-0.63.8221.71.94.81.990.8-2.2-1.14.2801.237.815.63.1-47.277.32.0-4.6-1.41.75.96.22.64.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares us-gaap:AwardType

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares

us-gaap:EmployeeStockOption


Sharebased
Period End2021-06-302021-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-30
Value2000.04000.001000.07000.0003000.0035000.0001000.035000.00
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares100.0100.00.0100.0100.00.00.0100.00.0100.00.00.0100.0100.00.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue

us-gaap:EmployeeStockOption


Sharebased
Period End2021-06-302021-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-30
Value2.4380.90-0.1567.530-3.8272.25047.3800035.290
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue100.0100.00.0100.0100.00.0100.0100.00.0100.00.00.00.0100.00.0

us-gaap:StandardAndExtendedProductWarrantyAccrualForeignCurrencyTranslationGainLoss

us-gaap:StandardAndExtendedProductWarrantyAccrualForeignCurrencyTranslationGainLoss


Standard
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-30
Value174000.0-762000.0946000.0303000.0-346000.0-768000.0406000.0-407000.0277000.0-1453000.0621000.0523000.0735000.0542000.0176000.0-174000.0182000.0-251000.0
Percentage of StandardAndExtendedProductWarrantyAccrualForeignCurrencyTranslationGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StandardProductWarrantyAccrualWarrantiesIssued

us-gaap:StandardProductWarrantyAccrualWarrantiesIssued


Standard
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value0.90.7860.7610.7851.01.071.5571.3880.5381.7180.6210.8691.4640.8181.2122.7081.5682.3612.1061.9761.5012.4043.6131.761.2071.81.4492.2781.4831.2310.9781.7611.9610.8611.1031.9963.5072.1292.7141.5122.1961.8833.3213.9643.221
Percentage of StandardProductWarrantyAccrualWarrantiesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesNewIssues us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesNewIssues

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value28000.0206000.0122000.058000.0235000.0138000.066000.0360000.0
Percentage of StockIssuedDuringPeriodSharesNewIssues100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesRestrictedStockAwardForfeited us-gaap:AwardType

us-gaap:StockIssuedDuringPeriodSharesRestrictedStockAwardForfeited

us-gaap:RestrictedStockUnitsRSU


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value23000.010000.016000.010000.06000.07000.013000.017000.019000.017000.010000.023000.051000.028000.023000.04000.016000.03000.032000.08000.012000.030000.010000.018000.014000.022000.06000.08000.018000.03000.013000.016000.04000.07000.06000.06000.014000.014000.0
Percentage of StockIssuedDuringPeriodSharesRestrictedStockAwardForfeited100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation us-gaap:AwardType, us-gaap:Vesting

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation

us-gaap:RestrictedStockUnitsRSU, itri:VestedAndReleased


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value17000.0177000.025000.0108000.038000.0192000.036000.072000.047000.0316000.099000.049000.093000.0352000.032000.012000.011000.0317000.032000.010000.08000.0262000.08000.06000.016000.0266000.025000.05000.025000.0236000.071000.07000.029000.0224000.068000.031000.0
Percentage of StockIssuedDuringPeriodSharesShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedStockUnitsRSU, itri:VestedButNotReleased


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value010000.041000.01000.008000.064000.0008000.0115000.0-2000.01000.010000.0133000.02000.01000.06000.0110000.0-6000.06000.05000.016000.0005000.09000.01000.01000.08000.0-21000.00
Percentage of StockIssuedDuringPeriodSharesShareBasedCompensation0.05.6164.00.90.04.2177.80.00.02.5116.2-4.11.12.8415.616.79.11.9343.8-60.075.01.9200.00.00.01.936.020.04.03.4-29.60.0

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised us-gaap:AwardType

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised

us-gaap:EmployeeStockOption


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value7000.024000.054000.02000.07000.040000.0372000.058000.039000.020000.01000.064000.025000.062000.05000.02000.029000.05000.023000.01000.022000.012000.01000.0021000.02000.026000.08000.028000.05000.021000.021000.021000.011000.04000.022000.015000.013000.0
Percentage of StockIssuedDuringPeriodSharesStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value6.3166.275.0577.0998.4827.1236.427.0486.2928.3177.888
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:CommonStockIncludingAdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value6.3166.275.0577.0998.4827.1236.427.0486.2928.3177.888
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Parent


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value6.3166.275.0577.0998.4827.1236.427.0486.2928.3177.888
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockOptionPlanExpense

us-gaap:StockOptionPlanExpense


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value371000.0340000.0499000.0452000.0526000.0467000.0357000.0389000.0443000.0581000.0981000.0911000.0952000.0831000.0721000.0717000.0598000.0659000.0616000.0602000.0585000.0554000.0643000.0713000.0643000.0649000.0627000.0606000.0546000.0554000.0545000.0537000.0519000.0473000.0605000.0333000.0337000.0272000.0221000.0-320000.0511000.01033000.0856000.0843000.0952000.0
Percentage of StockOptionPlanExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockSharesAcquired

us-gaap:TreasuryStockSharesAcquired


Treasury
Period End2021-03-31
Value3700000.0
Percentage of TreasuryStockSharesAcquired100.0

us-gaap:UnrealizedGainLossOnInterestRateCashFlowHedgesPretaxAccumulatedOtherComprehensiveIncomeLoss us-gaap:DerivativeInstrumentRisk

us-gaap:UnrealizedGainLossOnInterestRateCashFlowHedgesPretaxAccumulatedOtherComprehensiveIncomeLoss

itri:CurrencySwap1


Unrealized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-1744000.02413000.0-2195000.0-2326000.0-898000.01255000.0-1104000.02703000.0-585000.02008000.0-1391000.0599000.02376000.00000
Percentage of UnrealizedGainLossOnInterestRateCashFlowHedgesPretaxAccumulatedOtherComprehensiveIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:ForeignExchangeOption


Unrealized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-1058000.0947000.0-7000.0-252000.0-880000.0-89000.0-88000.01011000.0-89000.0307000.00000
Percentage of UnrealizedGainLossOnInterestRateCashFlowHedgesPretaxAccumulatedOtherComprehensiveIncomeLoss60.739.20.310.898.0-7.18.037.415.215.3-0.00.00.00.0

us-gaap:InterestRateCap


Unrealized
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value00389000.0393000.0349000.0356000.0134000.0156000.0-131000.0-220000.0181000.0188000.042000.0-24000.0-117000.0-84000.0516000.0-31000.0-357000.0-734000.0-244000.0000
Percentage of UnrealizedGainLossOnInterestRateCashFlowHedgesPretaxAccumulatedOtherComprehensiveIncomeLoss-0.0-0.0-43.331.3-31.613.2-22.97.89.4-36.77.60.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:InterestRateSwap


Unrealized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value073000.0-82000.0-302000.0-937000.0-1579000.0013000.0-683000.0-318000.0-756000.0302000.0513000.01247000.01023000.081000.0-517000.0
Percentage of UnrealizedGainLossOnInterestRateCashFlowHedgesPretaxAccumulatedOtherComprehensiveIncomeLoss-0.03.03.713.0104.3-125.8-0.00.5116.8-15.854.350.421.60.00.00.00.0

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense


Unrecognized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value188000.0-231000.0-22000.0-198000.0312000.0308000.0125000.0324000.0-42000.0301000.0-2142000.0414000.0315000.0424000.0-209000.0-746000.0207000.0206000.0-730000.0591000.0233000.099000.0235000.0170000.0174000.0301000.0-1400000.0237000.01782000.0543000.0106000.0453000.0168000.0171000.0-229000.0378000.0-22000.0287000.0-1379000.0476000.0113000.0-5000.0374000.0-172000.0-502000.0
Percentage of UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:EntityCommonStockSharesOutstanding

dei:EntityCommonStockSharesOutstanding


Entity
Period End2021-07-312021-04-302021-01-312020-10-30
Value45454040
Percentage of EntityCommonStockSharesOutstanding100.0100.0100.0100.0

itri:Authorizedsharereservereductioninawardsotherthanstockoptionsorshareappreciationrightsavailableforissueconversionratio us-gaap:PlanName

itri:Authorizedsharereservereductioninawardsotherthanstockoptionsorshareappreciationrightsavailableforissueconversionratio

itri:StockIncentivePlan


Authorizedsharereservereductioninawardsotherthanstockoptionsorshareappreciationrightsavailableforissueconversionratious-gaap:
Period End2020-12-31
Value1.7
Percentage of Authorizedsharereservereductioninawardsotherthanstockoptionsorshareappreciationrightsavailableforissueconversionratio100.0

itri:BuildingsFurnitureAndImprovements

itri:BuildingsFurnitureAndImprovements


Buildings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value147153155151151150149148148147146149145150135134130125122127128128127130131129134139146146145146143141146143141147140146150146
Percentage of BuildingsFurnitureAndImprovements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

itri:ComputersAndSoftwareGross

itri:ComputersAndSoftwareGross


Computers
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value11711611511311111110910710810710411211011110410610510198105104104104107106981001011021019910288858474
Percentage of ComputersAndSoftwareGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

itri:ContractwithCustomernet

itri:ContractwithCustomernet


Contractwith
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value13113198107117978810110610610212212812259
Percentage of ContractwithCustomernet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

itri:DeferredTaxAssetsDepreciationAndAmortization

itri:DeferredTaxAssetsDepreciationAndAmortization


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value6.3636.1125.7095.736152119169.6329.24110
Percentage of DeferredTaxAssetsDepreciationAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

itri:DeferredTaxAssetsLeases

itri:DeferredTaxAssetsLeases


Deferred
Period End2020-12-312019-12-312018-12-31
Value10130.0
Percentage of DeferredTaxAssetsLeases100.0100.00.0

itri:DeferredTaxLiabilitiesDepreciationAndAmortization

itri:DeferredTaxLiabilitiesDepreciationAndAmortization


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value39161178231927375059-71.889-89.166
Percentage of DeferredTaxLiabilitiesDepreciationAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

itri:Deferredtaxassetdeferredrevenue

itri:Deferredtaxassetdeferredrevenue


Deferredtaxassetdeferredrevenue
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value9705000.08951000.09062000.02431000.04896000.09097000.07506000.0
Percentage of Deferredtaxassetdeferredrevenue100.0100.0100.0100.0100.0100.0100.0

itri:DerivativeTerminationFee us-gaap:DerivativeInstrumentRisk

itri:DerivativeTerminationFee

us-gaap:InterestRateSwap


Derivative
Period End2021-03-17
Value1700000.0
Percentage of DerivativeTerminationFee100.0

itri:FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour

itri:FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour


Finite
Period End2021-06-302021-03-312020-09-30
Value161631
Percentage of FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour100.0100.0100.0

itri:FiniteLivedIntangibleAssetsAmortizationExpenseNetAfterYearFive

itri:FiniteLivedIntangibleAssetsAmortizationExpenseNetAfterYearFive


Finite
Period End2020-12-31
Value16
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseNetAfterYearFive100.0

itri:FiniteLivedIntangibleAssetsAmortizationExpenseNetAfterYearFour

itri:FiniteLivedIntangibleAssetsAmortizationExpenseNetAfterYearFour


Finite
Period End2021-06-302021-03-312020-09-30
Value161631
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseNetAfterYearFour100.0100.0100.0

itri:FiniteLivedIntangibleAssetsAmortizationExpenseNetRemainderofFiscalYear

itri:FiniteLivedIntangibleAssetsAmortizationExpenseNetRemainderofFiscalYear


Finite
Period End2021-06-302021-03-312020-09-30
Value172611
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseNetRemainderofFiscalYear100.0100.0100.0

itri:FiniteLivedIntangibleAssetsAmortizationExpenseNetYearFive

itri:FiniteLivedIntangibleAssetsAmortizationExpenseNetYearFive


Finite
Period End2020-12-31
Value14
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseNetYearFive100.0

itri:FiniteLivedIntangibleAssetsAmortizationExpenseNetYearFour

itri:FiniteLivedIntangibleAssetsAmortizationExpenseNetYearFour


Finite
Period End2021-06-302021-03-312020-12-312020-09-30
Value14141515
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseNetYearFour100.0100.0100.0100.0

itri:FiniteLivedIntangibleAssetsAmortizationExpenseNetYearOne

itri:FiniteLivedIntangibleAssetsAmortizationExpenseNetYearOne


Finite
Period End2021-06-302021-03-312020-12-312020-09-30
Value27273635
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseNetYearOne100.0100.0100.0100.0

itri:FiniteLivedIntangibleAssetsAmortizationExpenseNetYearThree

itri:FiniteLivedIntangibleAssetsAmortizationExpenseNetYearThree


Finite
Period End2021-06-302021-03-312020-12-312020-09-30
Value15151919
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseNetYearThree100.0100.0100.0100.0

itri:FiniteLivedIntangibleAssetsAmortizationExpenseNetYearTwo

itri:FiniteLivedIntangibleAssetsAmortizationExpenseNetYearTwo


Finite
Period End2021-06-302021-03-312020-12-312020-09-30
Value19192726
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseNetYearTwo100.0100.0100.0100.0

itri:FiniteLivedIntangibleAssetsLiabilitiesNet

itri:FiniteLivedIntangibleAssetsLiabilitiesNet


Finite
Period End2021-06-302021-03-312020-12-312020-09-30
Value112120130140
Percentage of FiniteLivedIntangibleAssetsLiabilitiesNet100.0100.0100.0100.0

itri:FiniteLivedIntangibleLiabilitiesAccretionRemainderofFiscalYear

itri:FiniteLivedIntangibleLiabilitiesAccretionRemainderofFiscalYear


Finite
Period End2021-06-302021-03-312020-09-30
Value981000.01472000.02006000.0
Percentage of FiniteLivedIntangibleLiabilitiesAccretionRemainderofFiscalYear100.0100.0100.0

itri:FiniteLivedIntangibleLiabilitiesAccretionYearOne

itri:FiniteLivedIntangibleLiabilitiesAccretionYearOne


Finite
Period End2021-06-302021-03-312020-12-312020-09-30
Value459000.0459000.01962000.01963000.0
Percentage of FiniteLivedIntangibleLiabilitiesAccretionYearOne100.0100.0100.0100.0

itri:FiniteLivedIntangibleLiabilitiesAccumulatedAccretion

itri:FiniteLivedIntangibleLiabilitiesAccumulatedAccretion


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value22212119171513119.3337.2755.2173.9132.6091.3040.0
Percentage of FiniteLivedIntangibleLiabilitiesAccumulatedAccretion100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

itri:FiniteLivedIntangibleLiabilitiesNet

itri:FiniteLivedIntangibleLiabilitiesNet


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value1440000.01931000.0-2421000.0-4428000.0-6435000.0-8442000.0-10450000.0-12508000.0-14567000.0-16625000.0-18683000.0-19987000.0-21291000.0-22596000.00
Percentage of FiniteLivedIntangibleLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

itri:FinitelivedintangibleliabilitiesGross

itri:FinitelivedintangibleliabilitiesGross


Finitelivedintangibleliabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value2323-23.9-23.9-23.9-23.9-23.9-23.9-23.9-23.9-23.9-23.9-23.9-23.90.00.00.00.00.0
Percentage of FinitelivedintangibleliabilitiesGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.0

itri:LineofCreditFacilityRemainingcapacitytosupportlettersofcredit

itri:LineofCreditFacilityRemainingcapacitytosupportlettersofcredit


Lineof
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value234235235335459258255257259259258257253218220221220203203204254253253250449
Percentage of LineofCreditFacilityRemainingcapacitytosupportlettersofcredit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

itri:RestructuringReserveExpectedCashSettlements us-gaap:Range, us-gaap:RestructuringPlan

itri:RestructuringReserveExpectedCashSettlements

srt:Maximum, itri:A2020Projects


Restructuring
Period End2020-09-17
Value45
Percentage of RestructuringReserveExpectedCashSettlements100.0

srt:Minimum, itri:A2020Projects


Restructuring
Period End2020-09-17
Value35
Percentage of RestructuringReserveExpectedCashSettlements77.8

us-gaap:AllowanceForDoubtfulAccountsReceivable

us-gaap:AllowanceForDoubtfulAccountsReceivable


Allowance
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value1312000.03064000.06331000.03957000.03320000.05949000.06195000.0
Percentage of AllowanceForDoubtfulAccountsReceivable100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent


Allowance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value1107000.01136000.01312000.01846000.02102000.03046000.03064000.03786000.04360000.04046000.06331000.03822000.04552000.04774000.03957000.03991000.03502000.03424000.03320000.04254000.03939000.04541000.05949000.04959000.05422000.05939000.06195000.06524000.07355000.08758000.08368000.08227000.06948000.06144000.07372000.05355000.05381000.05983000.06049000.07452000.08980000.09030000.09045000.05766000.06298000.05870000.06339000.0
Percentage of AllowanceForDoubtfulAccountsReceivableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1

us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1


Class
Period End2021-03-31
Value180.0
Percentage of ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1100.0

us-gaap:ContractWithCustomerAssetGross

us-gaap:ContractWithCustomerAssetGross


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value333549504958503437313415141411
Percentage of ContractWithCustomerAssetGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiability

us-gaap:ContractWithCustomerLiability


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value16416714815816615513813614413813613714213671
Percentage of ContractWithCustomerLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConvertibleNotesPayable us-gaap:FairValueByMeasurementBasis

us-gaap:ConvertibleNotesPayable

us-gaap:CarryingReportedAmountFairValueDisclosure


Convertible
Period End2021-06-302021-03-31
Value449448
Percentage of ConvertibleNotesPayable100.0100.0

us-gaap:EstimateOfFairValueFairValueDisclosure


Convertible
Period End2021-06-302021-03-31
Value476465
Percentage of ConvertibleNotesPayable106.2103.7

us-gaap:DebtInstrumentConvertibleConversionPrice1 us-gaap:LongtermDebtType

us-gaap:DebtInstrumentConvertibleConversionPrice1

us-gaap:ConvertibleDebt


Debt
Period End2021-03-12
Value126.0
Percentage of DebtInstrumentConvertibleConversionPrice1100.0

us-gaap:DebtInstrumentFeeAmount us-gaap:LongtermDebtType

us-gaap:DebtInstrumentFeeAmount

us-gaap:LineOfCredit


Debt
Period End2020-10-19
Value1400000.0
Percentage of DebtInstrumentFeeAmount100.0

us-gaap:DebtInstrumentFeeAmount us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

us-gaap:LineOfCredit, us-gaap:SubsequentEvent


Debt
Period End2020-10-19
Value1400000.0
Percentage of DebtInstrumentFeeAmount100.0

us-gaap:DebtInstrumentInterestRateEffectivePercentage itri:InterestRateType

us-gaap:DebtInstrumentInterestRateEffectivePercentage

us-gaap:LondonInterbankOfferedRateLIBOR


Debt
Period End2020-12-312019-12-312017-12-312016-12-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value1.650.0330.02820.02020.02180.01950.01690.01680.0142
Percentage of DebtInstrumentInterestRateEffectivePercentage100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentInterestRateEffectivePercentage us-gaap:VariableRate

us-gaap:LondonInterbankOfferedRateLIBOR


Debt
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value1.111.861.650.01680.02490.0380.03880.02490.02480.02240.02020.01780.02220.0219
Percentage of DebtInstrumentInterestRateEffectivePercentage0.00.00.00.00.00.00.00.00.00.0100.00.00.00.0

us-gaap:DeferredCompensationShareBasedArrangementsLiabilityCurrent us-gaap:AwardType

us-gaap:DeferredCompensationShareBasedArrangementsLiabilityCurrent

us-gaap:PhantomShareUnitsPSUs


Deferred
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value2700000.02300000.01400000.0700000.0300000.01500000.01700000.01000000.0600000.01700000.01400000.0700000.01000000.0
Percentage of DeferredCompensationShareBasedArrangementsLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredIncomeTaxAssetsNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value99947672576263
Percentage of DeferredIncomeTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredRevenueCurrent

us-gaap:DeferredRevenueCurrent


Deferred
Period End2020-12-312019-12-312018-12-312018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value11299939487417479846480899673445053434753533743505642413845374349422840
Percentage of DeferredRevenueCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsGross


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value63656357236236637340