IRDM


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

Table of contents



us-gaap:CommonStockValue
us-gaap:StatementEquityComponents
us-gaap:SharesOutstanding

us-gaap:CommonStockSharesIssued
us-gaap:StatementClassOfStock
us-gaap:PreferredStockSharesIssued

us-gaap:CommonStockSharesOutstanding

us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EarningsPerShareBasicAndDiluted

us-gaap:ComprehensiveIncomeNetOfTax
us-gaap:ProductOrService
us-gaap:CostOfGoodsAndServicesSold

us-gaap:CostsAndExpenses

us-gaap:GainsLossesOnExtinguishmentOfDebt

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxesPaidNet

us-gaap:InterestIncomeExpenseNet

us-gaap:InterestPaidNet

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NonoperatingIncomeExpense

us-gaap:OperatingIncomeLoss

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:ResearchAndDevelopmentExpense

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:MajorCustomers, us-gaap:ProductOrService
us-gaap:ProductOrService

us-gaap:Revenues

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:Assets

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:AssetsCurrent

us-gaap:Cash

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:AccountsReceivableNetCurrent

us-gaap:InventoryNet

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:Land

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:PropertyPlantAndEquipmentNet
us-gaap:StatementGeographical

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OtherAssetsNoncurrent

us-gaap:AccountsPayableCurrent

us-gaap:AccruedLiabilitiesCurrent

us-gaap:LiabilitiesCurrent

us-gaap:LongTermDebtCurrent

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:LongTermDebt
us-gaap:LongtermDebtType

us-gaap:DeferredTaxLiabilitiesNoncurrent

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiability

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:TreasuryStockValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:AmortizationOfFinancingCosts

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DepreciationDepletionAndAmortization

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInInventories

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
us-gaap:AwardType, us-gaap:GranteeStatus
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
us-gaap:TitleOfIndividual, us-gaap:AwardType

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxAssetsNet

us-gaap:UnrecognizedTaxBenefits

us-gaap:DeferredTaxAssetsValuationAllowance
us-gaap:IncomeTaxAuthority

irdm:AdjustmentsToAdditionalPaidInCapitalStockWithheldToCoverEmployeeTaxes
us-gaap:StatementEquityComponents

irdm:CapitalizedAmortizationOfDeferredFinancingCosts

irdm:FinancingCosts

irdm:LossonExtinguishmentofDebt

us-gaap:AmortizationOfFinancingCostsAndDiscounts

us-gaap:CapitalExpendituresIncurredButNotYetPaid
us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType
us-gaap:ConcentrationRiskPercentage1

us-gaap:ContractWithCustomerLiabilityRevenueRecognized
us-gaap:LongtermDebtType
us-gaap:DebtInstrumentBasisSpreadOnVariableRate1
us-gaap:LongtermDebtType, us-gaap:VariableRate
us-gaap:LongtermDebtType
us-gaap:DebtInstrumentPeriodicPaymentPrincipal

us-gaap:DerivativeGainLossOnDerivativeNet

us-gaap:EffectOfExchangeRateOnCashAndCashEquivalents

us-gaap:EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount

us-gaap:IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInDeferredRevenue

us-gaap:IncreaseDecreaseInInterestPayableNet

us-gaap:IncreaseDecreaseInOtherNoncurrentAssets

us-gaap:IncreaseDecreaseInOtherNoncurrentLiabilities

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:InterestCostsCapitalized

us-gaap:InterestCostsIncurred
us-gaap:LongtermDebtType
us-gaap:LineOfCreditFacilityCommitmentFeeAmount

us-gaap:OperatingLeaseLeaseIncome

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsNetOfTax

us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax
us-gaap:StatementEquityComponents

us-gaap:OtherOperatingActivitiesCashFlowStatement

us-gaap:PaymentsOfDebtIssuanceCosts

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:ProceedsFromIssuanceOfSecuredDebt

us-gaap:ProceedsFromStockOptionsExercised

us-gaap:RedemptionPremium
us-gaap:LongtermDebtType

us-gaap:RepaymentsOfUnsecuredDebt
us-gaap:Range, us-gaap:RelatedPartyTransaction, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:RevenueFromRelatedParties
us-gaap:RelatedPartyTransaction, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:TitleOfIndividual, us-gaap:AwardType
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardAcceleratedVestingNumber
us-gaap:AwardType, us-gaap:GranteeStatus, us-gaap:Vesting
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage
us-gaap:StatementEquityComponents
us-gaap:SharesPaidForTaxWithholdingForShareBasedCompensation
us-gaap:AwardType
us-gaap:StockGrantedDuringPeriodValueSharebasedCompensationGross
us-gaap:AwardType, us-gaap:GranteeStatus
us-gaap:TitleOfIndividual, us-gaap:AwardType
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensationGross

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensationGross
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:StockRepurchasedAndRetiredDuringPeriodShares

us-gaap:StockRepurchasedAndRetiredDuringPeriodValue
us-gaap:StatementEquityComponents

us-gaap:TreasuryStockRetiredCostMethodAmount

us-gaap:UnrealizedGainLossOnCashFlowHedgingInstruments
us-gaap:StatementEquityComponents

us-gaap:UnrealizedGainOnForeignCurrencyDerivativesBeforeTax

dei:EntityCommonStockSharesOutstanding

irdm:CreditFacilityCarryingAmount

irdm:DeferredTaxAssetsLongTermContracts

irdm:DeferredTaxLiabilitiesFixedAssetsAndIntangibles

irdm:ExcessCashFlowPrepayment

irdm:FixturesandEquipmentNet

irdm:ForeignTaxCreditCarryForwardValuationAllowanceIncrease

irdm:GroundSystemGross

irdm:GroundSystemNet

irdm:IntangibleAssetsExcludingGoodwillAccumulatedAmortization

irdm:OtherConstructionInProcessNet

irdm:PropertyPlantAndEquipmentNetExcludingConstructionInProcessAndLand

irdm:RefinancingCosts

irdm:SatelliteSystemGross
us-gaap:AwardType
irdm:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingNumber
us-gaap:AwardType
irdm:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageGrantDateFairValue

irdm:TotalAuthorizedPreferredStockNumber

irdm:UnamortizedDeferredFinancingCosts
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:AccountsReceivableRelatedParties

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCostBasis

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCostBasis

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue

us-gaap:BuildingsAndImprovementsGross

us-gaap:CapitalizedComputerSoftwareGross

us-gaap:CapitalizedComputerSoftwareNet
us-gaap:CapitalizedContractCost
us-gaap:ContractWithCustomerAssetNet

us-gaap:DebtInstrumentCarryingAmount
us-gaap:LongtermDebtType
us-gaap:LongtermDebtType
us-gaap:DebtInstrumentFaceAmount

us-gaap:DebtInstrumentUnamortizedDiscount

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet
us-gaap:LongtermDebtType

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredRevenueCurrent

us-gaap:DeferredRevenueNoncurrent

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsInProcessResearchAndDevelopment

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsForeign

us-gaap:DeferredTaxLiabilitiesInvestments

us-gaap:DeferredTaxLiabilitiesOther
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsGross
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FixturesAndEquipmentGross

us-gaap:IntangibleAssetsGrossExcludingGoodwill

us-gaap:InterestPayableCurrent

us-gaap:InterestPayableCurrentAndNoncurrent
us-gaap:DerivativeInstrumentRisk
us-gaap:InterestRateCashFlowHedgeAssetAtFairValue
us-gaap:DerivativeInstrumentRisk
us-gaap:InterestRateCashFlowHedgeLiabilityAtFairValue

us-gaap:LessorOperatingLeasePaymentsToBeReceived

us-gaap:LessorOperatingLeasePaymentsToBeReceivedRemainderOfFiscalYear

us-gaap:LessorOperatingLeasePaymentsToBeReceivedThereafter

us-gaap:LinesOfCreditCurrent

us-gaap:LongTermDebtFairValue
us-gaap:LongtermDebtType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

us-gaap:LongTermLineOfCredit

us-gaap:MarketableSecurities
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:MoneyMarketFundsAtCarryingValue

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OperatingLeasesFutureMinimumPaymentsDue

us-gaap:OperatingLeasesFutureMinimumPaymentsDueCurrent

us-gaap:OperatingLeasesFutureMinimumPaymentsDueInFiveYears

us-gaap:OperatingLeasesFutureMinimumPaymentsDueInFourYears

us-gaap:OperatingLeasesFutureMinimumPaymentsDueInThreeYears

us-gaap:OperatingLeasesFutureMinimumPaymentsDueInTwoYears

us-gaap:OperatingLeasesFutureMinimumPaymentsDueThereafter
us-gaap:IncomeTaxAuthority
us-gaap:OperatingLossCarryforwards
us-gaap:IncomeTaxAuthority, us-gaap:TaxPeriod
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:OtherCashEquivalentsAtCarryingValue
us-gaap:RelatedPartyTransaction, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:RelatedPartyTransactionDueFromToRelatedParty

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1

us-gaap:StockRepurchaseProgramAuthorizedAmount1

us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1

Plots across concepts


IncomeStatement
Income Loss From Continuing Operations 
Before Income Taxes Extraordinary Items Noncontrolling Interest
Expenses
Income Tax Expense Benefit
Balance Sheet
Operating Lease Right Of Use Asset
Assets
Operating Lease Right Of Use Asset
Current Assets
Prepaid Expense And Other Assets Current
NonCurrent Assets
Deferred Income Tax Assets Net
PropertyPlantAndEquipmentNet
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
Liabilities
Operating Lease Liability
Current Liabilities
Operating Lease Liability Current
Noncurrent Liabilities
Operating Lease Liability Noncurrent
Stockholders Equity
Accumulated Other Comprehensive Income Loss Net Of Tax
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
OperatingLeaseLiability
Operating Lease Liability Current
NonoperatingIncomeExpense
Nonoperating Income Expense
FiniteLivedIntangibleAssets
Finite Lived Intangible Assets Net

Tables

  2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:CommonStockValue ▁█▁▁0.1330.1340.1330.133NA0.132NANANA0.1120.1110.1110.110.0980.0980.0980.0970.0960.096NA0.0960.095NA0.0950.0950.0940.0940.093NA0.0770.0770.077NA0.0760.0750.0730.0730.0730.0730.073NA0.07NANA
 us-gaap:SharesOutstanding us-gaap:StatementEquityComponents us-gaap:CommonStock▁█133.476134.056NANA132.227131.632NANANA112.2NANANA98.203NANANA95.879NANANA95.126NANANA93.905NANANA76.69NANANA76.461NANANA73.205NANANA70.254NANA
us-gaap:CommonStockSharesIssued ▅█▄▁133.476134.056133.279132.526NA131.632NANANA112.2111.321110.75110.37198.20397.95797.65797.38895.87995.763NA95.51595.126NA94.84794.53693.90593.74293.097NA76.6976.6676.63NA76.46175.07373.2173.2050.07320573.20500873.205008NA70.253501NANA
 us-gaap:PreferredStockSharesIssued us-gaap:StatementClassOfStock us-gaap:SeriesBPreferredStockNA0.5NA0.5NA0.5NANANA0.50.50.50.50.50.50.50.50.50.5NA0.50.5NA0.50.50.50.50.5NA0.0NANANANANANANANANANANANANANA
us-gaap:CommonStockSharesOutstanding ▅█▄▁133.476134.056133.279132.526NA131.632NANANA112.2111.321110.75110.37198.20395.87997.65797.38895.87995.763NA95.51595.126NA94.84794.53693.90593.74293.097NA76.6976.6676.63NA76.46175.07373.2173.2050.07320573.20500873.205008NA70.253501NANA
us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted 135.068NA133.76133.118132.645NA131.688123.315NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities us-gaap:EmployeeStockOptionNANA0.0930.2010.149NA0.2180.218NANA0.10.30.3NANANA0.2NA2.84.15.0NA4.9NA0.4NA1.74.35.2NA4.85.1NANA4.32.1NANANANANANANANA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities us-gaap:PerformanceShares0.26NA0.3520.3540.187NA0.4130.371NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:EarningsPerShareBasicAndDiluted ███▇▆▁▇▇▇-0.04-0.06-0.03-0.09-0.24-0.82-0.14-0.16-0.18NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
 COGS Ratio us-gaap:ProductOrService us-gaap:Service116.152NA116.914113.35115.975NA115.853110.797NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 COGS Ratio us-gaap:ProductOrService us-gaap:SubscriptionAndCirculation23.953NA25.1219.81522.263NA21.37523.42NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
 TTM Greenblatt ROC _ _▅▅▅▅▅▄▅▅▄▄▅▅▆▃▇▇█▇█▇▇▁▇▇▇▆▆▆▆▆▆▆▆▆▆▆▅▅▆▆▅9.0165.112.7335.82811.8220.0018.0113.741-1.633-0.1426.01116.34519.439-13.9538.08235.74255.60241.59649.76841.72943.278-48.54346.53942.33433.47331.84133.01329.71328.34426.25729.45128.84825.33831.02431.68828.27414.08815.75924.19820.74316.301NANANA
  2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:ComprehensiveIncomeNetOfTax ███▇▅▁▇▇-2.097-4.989-3.559-10.243-47.576-107.229-18.876-16.665NA-8.618-13.952-7.36611.551141.66830.3223.32740.19124.40431.66928.0630.516-71.32626.5926.03719.67920.92819.77615.29516.75915.67416.7114.954NA16.65917.84417.54612.458.30711.63811.8238.33NANANA
 us-gaap:CostOfGoodsAndServicesSold us-gaap:ProductOrService us-gaap:Service23.207NA23.90923.13421.978NA23.58125.607NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CostOfGoodsAndServicesSold us-gaap:ProductOrService us-gaap:SubscriptionAndCirculation13.028NA15.42912.06912.274NA12.86213.37NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:CostsAndExpenses ▅█▆▂▁▆▄▆137.519141.407138.739134.345133.465138.873136.774139.359NA132.307130.753118.58699.709129.41978.46575.86263.01365.85363.02667.46660.924154.96159.495NANANANANANANANANANANANANANANANANANANANANA
us-gaap:GainsLossesOnExtinguishmentOfDebt NANA0.00.0-30.209NA0.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest ████▆▁▇▇-13.781-17.892-9.69-16.998-44.384-142.029-22.456-25.871NA-24.872-14.5133.42515.311-12.60239.30836.51856.34841.94950.20242.49443.52-48.79145.91642.41133.57931.67532.45625.18927.13234.36127.02126.6NA28.23529.53225.78211.46913.13921.39517.83712.21NANANA
us-gaap:IncomeTaxExpenseBenefit ▇▇██▆▁█▇-8.598-9.967-5.685-4.576-12.682-34.172-4.444-7.765NA-17.29-1.6577.8433.839-154.47910.05511.7418.417.84618.64715.6415.020.6416.36916.42312.568.63612.06810.1710.58918.77610.43611.187NA11.52411.6938.119-0.9494.77710.0586.1543.9112.66210.2252.964
us-gaap:IncomeTaxesPaidNet █▁▇▇▇▁█0.52-1.5950.3260.3540.254-1.6050.409NANA0.1590.2710.2480.253-0.0040.3520.2221.090.3890.2670.2350.51.610.6790.7140.4260.322-0.4110.0440.2290.027-0.02NANA-0.0030.097NANA-2.356NANANA7.605NANA
us-gaap:InterestIncomeExpenseNet ████▅▁▁▂-22.769-22.693-22.628-22.506-26.444-30.32-30.493-28.986NA-25.146-20.145-12.985-4.1651.4171.2460.8320.8330.6760.70.80.7580.7770.2630.7921.2371.0161.2620.7250.6370.4410.5570.641NA0.4840.3990.1210.0680.3750.2780.2620.2850.2220.0810.228
us-gaap:InterestPaidNet 21.842NA21.8421.84133.366NA55.93NANANANANANANANANANANANANANANANANANANA0.0NANANA0.0NANANANANANANANANANANANANA
us-gaap:NetIncomeLoss ▄▄▄▄▃▁▄▄▄▄▄▄▄█▅▅▅▅▅▅▅▂▅▅▅▅▅▄▄▄▄▄▄▄▅▅▄▄▄▄▄▄▄▄-5.183-7.925-4.005-12.422-31.702-107.857-18.012-18.106-18.024-7.582-12.856-4.41811.472141.87729.25324.77837.94824.10331.55526.85428.52-69.43129.54725.98821.01923.03920.38815.01916.54315.58516.58515.41314.93416.71117.83917.66312.4188.41711.33711.6838.29910.12210.6863.2
 us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings███▇▆▁▇▇-5.183-7.925-4.005-12.422-31.702-107.857-18.012-18.106NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic ███▇▆▁▇▇-5.183-7.925-4.005-12.422-31.702-107.857-18.012-20.203NA-9.679-14.94-6.5277.613138.01825.39420.91934.08920.24427.69622.99524.661-73.2925.68822.12917.1619.1816.52912.16714.79313.83514.83513.663NA15.01917.83917.663NANANANANANANANA
us-gaap:NonoperatingIncomeExpense ████▆▁██-22.797-22.992-22.423-22.826-56.206-142.03-30.467-29.612NA-24.73-20.524-12.92-4.1281.3481.2260.7760.7460.3530.4340.7650.242-0.248-0.6230.0770.106-0.166-0.557-4.524-1.2128.104-2.43-2.248NA-2.789-2.156-2.492-2.619-2.62-2.803-2.906-4.091-2.2520.0750.206
us-gaap:OperatingIncomeLoss ▅▅▅▅▅▄▅▅▄▄▅▅▆▃▇▇█▇█▇▇▁▇▇▇▆▆▆▆▆▆▆▆▆▆▆▅▅▆▆▅▅▆▅9.0165.112.7335.82811.8220.0018.0113.741-1.633-0.1426.01116.34519.439-13.9538.08235.74255.60241.59649.76841.72943.278-48.54346.53942.33433.47331.84133.01329.71328.34426.25729.45128.84825.33831.02431.68828.27414.08815.75924.19820.74316.30115.03620.8365.958
us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax 3.8NA1.802-22.70211.9NANA0.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherNonoperatingIncomeExpense ▅▃▆▃█▄▅▁-0.028-0.2990.205-0.320.447-0.2070.026-0.626NA0.416-0.3790.0650.037-0.069-0.02-0.056-0.062-0.1530.0390.333-0.013-0.357-0.1120.215-0.2140.23-0.365-3.789-0.359.369-1.101-0.869NA-0.89-0.067-0.0310.09210.529-3.081-3.168-0.078-0.106-0.006-0.022
us-gaap:ResearchAndDevelopmentExpense ▂▇▄▁▁▅▃█2.7174.0973.1162.382.4443.5922.8224.285NA7.2225.0585.5664.5835.0253.9813.0143.2274.4695.0384.0132.5594.1163.484.4224.1265.9114.914.6452.1214.6243.1251.741NA2.7843.6233.4295.6897.9153.1223.3794.2684.472.3118.132
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax ▁▁▁▁▁▁▁▁▁▁▁▁█▁▁▁▇▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁146.535146.507151.472140.173145.287138.874144.785143.1133.685132.165136.764134.93189742.0115.469116.547111.60481773.0107.449112.794109.195104.202106.418106.034101.91997.007100.511107.493102.52198.03298.207100.56994.68489.18992.284100.44197.32193.47494.977102.12495.90391.30387.9394.52783.974
us-gaap:Revenues ▇▇█▇▇▇▇▇▆▆▆▆▅▄▄▄▃▃▄▄▃▃▃▃▂▃▃▃▂▂▃▂▂▂▃▂▂▂▃▂▂▁▂▁146.535146.507151.472140.173145.287138.874144.785143.1133.685132.165136.764134.931119.148115.469116.547111.604104.426107.449112.794109.195104.202106.418106.034101.91997.007100.511107.493102.52198.03298.207100.56994.68489.18992.284100.44197.32193.47494.977102.12495.90391.30387.9394.52783.974
us-gaap:SellingGeneralAndAdministrativeExpense ▃█▁▁▁▆▃▁22.65727.49620.63121.120.82525.42122.93420.969NA23.8327.25524.26622.49526.30618.47120.41119.21722.41918.76722.30319.06324.64517.53418.74220.52422.6818.27718.49319.18620.16418.2918.399NA15.01916.45217.9718.14815.50916.45716.29717.41917.78316.31216.703
  2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
  2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:Assets ▁▇▇█3266.5583360.9493365.5253373.854NA3623.557NANANA4014.2714106.6854079.8814111.7813782.0513784.5893770.6033593.1033499.6253398.22NA3179.4843204.23NA3096.0062981.4012909.6812685.922630.28NA2309.7962193.6722074.578NA1916.3411629.0251592.8891511.0811374.1861245.1261200.193NA1047.449NANA
us-gaap:Liabilities ▁▅▆█1902.781941.511950.0621964.694NA2164.275NANANA2412.6942506.9042473.1682503.5632185.5822335.6262358.0592209.9762155.8672079.336NA1921.8551975.509NA1819.3061730.7621677.8171475.8751439.381NA1370.3011268.5021166.97NA1039.783864.102857.611795.574672.919553.708521.357NA391.93NANA
us-gaap:LiabilitiesAndStockholdersEquity ▁▇▇█3266.5583360.9493365.5253373.854NA3623.557NANANA4014.2714106.6854079.8814111.7813782.0513784.5893770.6033593.1033499.6253398.22NA3179.4843204.23NA3096.0062981.4012909.6812685.922630.28NA2309.7962193.6722074.578NA1916.3411629.0251592.8891511.0811374.1861245.1261200.193NA1047.449NANA
us-gaap:StockholdersEquity ▂▃▃▃▃▄▇▇▇█████▄▃▃▂▁1363.7781419.4391415.4631409.161413.7931459.2821559.2581572.9511586.6991601.5771599.7811606.7131608.2181596.4691448.9631412.5441383.1271343.7581318.884NA1257.6291228.721NA1276.71250.6391231.8641210.0451190.899NA939.495925.17907.608NA876.558764.923735.278715.507701.267691.418678.836NA655.519NANA
  2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:AssetsCurrent ▆█▄▁322.313347.821286.539229.309NA342.935NANANA390.384497.413495.923572.185411.072452.764462.982516.725516.77531.199NA506.379481.718NA591.618602.286573.113638.431616.444NA369.558378.479376.02NA367.166287.751264.711240.941227.242215.773195.589NA208.729NANA
us-gaap:Cash ▁█▅▄13.66827.16820.88619.034NA13.943NANANA20.87916.56220.11221.95424.092140.957117.885117.189102.194114.237NA115.89967.005NA97.813109.84586.792133.546209.538NA86.07491.91195.975NA166.326NANANANANANANANANANA
us-gaap:CashAndCashEquivalentsAtCarryingValue ▇█▅▁214.835237.178182.702119.115NA223.561NANANA273.352381.454176.105430.721285.873330.061335.199386.201371.167374.006366.981287.202185.665290.682198.874217.778211.249307.121336.328184.484186.342196.997196.848NA254.418189.399166.662146.928136.366124.833103.767103.942119.932104.636120.743
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▄▅▄▂▁▅██214.835237.178182.702119.11567.289223.561366.754369.975NA465.287572.366365.902619.903388.257432.122470.464521.326484.306NANANA276.777NANANA297.352NANANANANANANANANANANANANANANANANANA
us-gaap:AccountsReceivableNetCurrent ▃█▁▅59.89561.15159.3460.397NA68.697NANANA71.2173.53174.71975.1368.03161.03263.37957.54757.37361.608NA53.28451.668NA56.63450.89750.67260.2870.261NA54.75864.5555.091NA56.13554.73459.37858.80457.41859.29559.568NA50.278NANA
us-gaap:InventoryNet ▁▃▄█30.01532.4833.30937.331NA39.938NANANA27.53822.21420.21220.28320.06817.53120.42217.76718.20421.419NA25.20127.926NA32.17227.00328.43329.35228.83NA29.53228.18828.914NA26.33524.28418.57116.25815.07714.99514.407NA16.654NANA
us-gaap:PrepaidExpenseAndOtherAssetsCurrent ▂▁▅█10.0879.46411.18812.466NA10.739NANANA18.28420.21425.04826.0425.34723.8422.6622.27630.69821.798NA15.75713.13NA10.3349.30410.61410.011.498NA12.5184.7675.285NA4.8165.5646.3185.1674.6164.308NANA4.978NANA
us-gaap:Land NA8.037NANANA8.037NANANA8.037NANANA8.037NANANA8.037NANANA8.037NANANA8.037NANANA8.037NANANA8.037NANANA8.268NANANANANANA
  2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:PropertyPlantAndEquipmentGross NA3588.156NANANA3582.498NANANA3115.204NANANA1526.205NANANA571.483NANANA543.974NANANA517.319NANANA500.147NANANA461.52NANANA435.318NANANANANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment NA959.606NANANA682.13NANANA453.463NANANA432.833NANANA422.098NANANA385.86NANANA339.155NANANA296.716NANANA240.186NANANA176.995156.685138.134NA97.667NANA
us-gaap:PropertyPlantAndEquipmentNet ▁▃▆█2851.1452917.0762981.373046.062NA3180.799NANANA3370.8553356.9483334.7583291.4313210.1623170.0743111.0422879.2652813.0842696.208NA2516.7652443.567NA2140.8082015.6481971.8391689.7651654.862NA1575.5791451.3111345.535NA1210.6931010.4181008.636954.637843.092727.986717.39NA566.519NANA
us-gaap:IntangibleAssetsNetExcludingGoodwill ▁▃▆█45.11745.50445.88146.268NA46.977NANANA48.5448.89649.2549.65250.01950.38350.78451.14345.79645.992NA46.38946.589NA46.98447.16747.41647.66550.927NA57.45260.71563.977NA70.50273.76577.02780.2983.55286.81590.077NA96.602NANA
us-gaap:FiniteLivedIntangibleAssetsNet NA10.279NANANA11.752NANANA13.315NANANA14.794NANANA10.571NANANA11.364NANANA12.191NANANA22.227NANANA35.277NANANA48.327NANANANANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass irdm:AssembledWorkforceNA2.434NANANA3.245NANANA4.056NANANA4.866NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:IntellectualPropertyNA7.512NANANA8.222NANANA9.005NANANA9.788NANANA10.571NANANA11.364NANANA12.191NANANA13.186NANANA14.181NANANANANANANANANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:PatentsNA0.333NANANA0.285NANANA0.254NANANA0.14NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OperatingLeaseRightOfUseAsset NA23.974NANANA27.007NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAssetsNoncurrent ▁▅▇█47.98350.54851.73552.215NA52.846NANANA12.55712.51610.1539.3318.4149.30710.5310.84510.83611.72NA7.8488.188NA8.4497.017.7268.5527.733NA8.9097.7088.445NA2.9120.5150.5850.5210.58427.79714.231NA0.814NANA
  2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:AccountsPayableCurrent ▄█▁▂9.90914.397.1818.519NA6.713NANANA12.86912.85525.72535.00843.154.973128.25410.38411.13137.661NA8.43931.525NA27.6376.77417.67711.22415.872NA12.9349.15614.871NA13.83413.75948.274115.44724.8165.51253.747NA28.132NANA
us-gaap:AccruedLiabilitiesCurrent ▁█▄▃34.50349.25840.72738.407NA49.293NANANA56.9947.86640.50349.5632.21531.86728.9223.89723.8429.391NA27.57629.402NA33.31638.05438.419NANANANANANANANANANANANANANANANANANA
us-gaap:LiabilitiesCurrent ▁█▄▅88.317113.072100.671101.942NA113.751NANANA262.719325.151227.695213.533214.226163.045208.087104.29583.194114.688NA81.562101.614NA109.998105.827102.35112.543102.268NA101.499110.28101.126NA88.65298.395123.002195.89695.8979.033118.014NA132.841NANA
us-gaap:LongTermDebtCurrent NA16.766NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OperatingLeaseLiabilityCurrent NA3.838NANANA3.397NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:LongTermDebt █▁1610.51596.893NANANANANANANANANANANA1618.055NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:DeferredTaxLiabilitiesNoncurrent NA155.084NANANA188.653NANANA241.422259.248260.643253.394246.17400.462390.974379.447361.656344.676NA311.904296.832NA277.312272.717245.042241.53219.017NA202.825184.776174.633NA167.821144.655134.251126.3127.297119.497110.405NA100.728NANA
us-gaap:DeferredIncomeTaxLiabilitiesNet ▁▄▆█146.233155.1165.053170.97NA188.653NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherLiabilitiesNoncurrent ▁▂▆█24.25825.20331.35134.085NA29.284NANANA4.164.1344.154.18859.51932.33133.0754.2374.31727.54NA25.49612.492NA3.3113.2073.28416.87717.951NA10.38520.43320.601NA13.79614.05313.97413.57213.53429.86327.666NA23.216NANA
us-gaap:OperatingLeaseLiabilityNoncurrent NA23.258NANANA26.859NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:StockholdersEquity ▂▃▃▃▃▄▇▇▇█████▄▃▃▂▁1363.7781419.4391415.4631409.161413.7931459.2821559.2581572.9511586.6991601.5771599.7811606.7131608.2181596.4691448.9631412.5441383.1271343.7581318.884NA1257.6291228.721NA1276.71250.6391231.8641210.0451190.899NA939.495925.17907.608NA876.558764.923735.278715.507701.267691.418678.836NA655.519NANA
us-gaap:CommonStockValue ▁█▁▁0.1330.1340.1330.133NA0.132NANANA0.1120.1110.1110.110.0980.0980.0980.0970.0960.096NA0.0960.095NA0.0950.0950.0940.0940.093NA0.0770.0770.077NA0.0760.0750.0730.0730.0730.0730.073NA0.07NANA
us-gaap:AdditionalPaidInCapitalCommonStock ▅█▅▁1152.5691160.571151.6061141.744NA1134.048NANANA1108.551098.1371091.1161085.2571081.3731075.5351069.4361063.3471060.3111055.982NANA1044.488NANANANANANANANANANANANANANANANANANANANANANA
us-gaap:RetainedEarningsAccumulatedDeficit ▁▇██225.17275.915283.84287.845NA331.969NANANA501.712509.294522.15526.568518.794376.916347.664322.886288.797268.553NA217.862193.201NA240.803218.674201.514182.334165.805NA138.845124.992110.157NA83.32868.30949.71932.05619.63811.276-0.061NA-20.043NANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax █▅▁▁-14.094-17.18-20.116-20.562NA-6.867NANANA-8.797-7.761-6.664-3.717-3.796-3.586-4.654-3.203-5.446-5.747NA-7.067-9.063NA-4.211-4.26-2.92-0.809-0.197NA-0.689-0.778-0.903NA-0.357-0.305-0.31-0.193-0.225-0.1140.261NA0.09NANA
us-gaap:TreasuryStockValue 0.1NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue 5.575NANANA4.1NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:NetCashProvidedByUsedInOperatingActivities ▃▇▇▅▁▄█50.76670.6374.60563.71940.81355.6978.365NANA38.17184.4582.81158.277NA83.35256.00263.864NANANANANANANANANANANANANA44.07NANA41.30843.32653.00436.38551.53847.84151.932.18246.86271.36NA
us-gaap:NetCashProvidedByUsedInInvestingActivities █▁▇██▃▇-9.417-17.203-10.612-9.168-9.487-15.063-10.175NANA-96.661120.807-311.813-91.245NA-121.529-107.655-42.616NANANANANANANANANANANANANA-106.247NANA-222.199-34.639-151.913-34.791-118.993-69.473-114.648-56.223-103.191-86.101NA
us-gaap:NetCashProvidedByUsedInFinancingActivities ▆███▁▁▅-63.2640.2940.603-3.058-186.025-184.597-71.242NANA-48.1442.097-25.006264.556NA10.7031.1115.524NANANANANANANANANANANANANA62.326NANA245.9114.05118.6438.96878.98842.69862.5738.05171.625-1.366NA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▅███▁▁▆-22.34354.47663.58751.826-156.272-143.193-3.221NANA-107.079206.464-254.001231.646-43.865-38.342-50.86237.02NANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:AmortizationOfFinancingCosts ▁▁▁▁▁▅█0.9490.9340.9250.9090.893.4195.456NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:DeferredIncomeTaxExpenseBenefit ▆▆▇█▅▁█-8.851-10.084-5.917-0.533-17.15-35.354-0.802NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:DepreciationDepletionAndAmortization ██▇▇█▄▁▄75.9175.91475.65475.66275.94475.08874.57575.128NA67.11162.1450.49138.46565.61422.94420.20113.50711.80611.80912.84312.93612.72712.93212.8213.35513.15419.67719.67220.26618.77519.37718.597NA18.05420.48418.36824.20423.86726.78423.66423.33123.0522.65722.449
us-gaap:IncreaseDecreaseInAccountsPayable ▃█▄▄▆▁▅-4.2336.854-1.111-0.6532.32-7.2981.594NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncreaseDecreaseInAccountsReceivable ▇█▇▆▆▇▁-1.5351.578-0.86-3.498-3.6-1.458-21.454NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncreaseDecreaseInInventories ▃▅▁▅▃█▇-2.561-0.525-3.98-0.429-2.31.9131.33NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetCashProvidedByUsedInOperatingActivities ▃▇▇▅▁▄█50.76670.6374.60563.71940.81355.6978.365NANA38.17184.4582.81158.277NA83.35256.00263.864NANANANANANANANANANANANANA44.07NANA41.30843.32653.00436.38551.53847.84151.932.18246.86271.36NA
us-gaap:NetIncomeLoss ▄▄▄▄▃▁▄▄▄▄▄▄▄█▅▅▅▅▅▅▅▂▅▅▅▅▅▄▄▄▄▄▄▄▅▅▄▄▄▄▄▄▄▄-5.183-7.925-4.005-12.422-31.702-107.857-18.012-18.106-18.024-7.582-12.856-4.41811.472141.87729.25324.77837.94824.10331.55526.85428.52-69.43129.54725.98821.01923.03920.38815.01916.54315.58516.58515.41314.93416.71117.83917.66312.4188.41711.33711.6838.29910.12210.6863.2
 us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings███▇▆▁▇▇-5.183-7.925-4.005-12.422-31.702-107.857-18.012-18.106NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ShareBasedCompensation █▄▇▄▁▁▄4.9064.1544.7654.0973.6983.6144.134NANANANANANANANANANANANANANANANANANANANANANANANANANA6.7850.2360.1890.1225.6050.0080.1640.118NANANA
  2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:NetCashProvidedByUsedInInvestingActivities █▁▇██▃▇-9.417-17.203-10.612-9.168-9.487-15.063-10.175NANA-96.661120.807-311.813-91.245NA-121.529-107.655-42.616NANANANANANANANANANANANANA-106.247NANA-222.199-34.639-151.913-34.791-118.993-69.473-114.648-56.223-103.191-86.101NA
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▁▁▃▁▁█▂9.4179.42210.6129.1689.48715.06310.175NANA96.66179.698132.0782.961109.395122.54119.22848.944173.89674.98980.9875.822243.01377.591124.15350.053296.13636.85649.55458.519140.102111.757NANA220.31134.639151.91334.791119.0669.473114.64856.223103.19186.101NA
  2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:NetCashProvidedByUsedInFinancingActivities ▆███▁▁▅-63.2640.2940.603-3.058-186.025-184.597-71.242NANA-48.1442.097-25.006264.556NA10.7031.1115.524NANANANANANANANANANANANANA62.326NANA245.9114.05118.6438.96878.98842.69862.5738.05171.625-1.366NA
us-gaap:PaymentsForRepurchaseOfCommonStock 59.335NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-03-312020-12-312020-09-302020-06-302019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-312015-12-312015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value133000.0134000.0133000.0133000.0132000.0112000.0111000.0111000.0110000.098000.098000.098000.097000.096000.096000.096000.095000.095000.095000.094000.094000.093000.077000.077000.077000.076000.075000.073000.073000.073000.073000.073000.070000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Shares Outstanding

us-gaap:SharesOutstanding us-gaap:StatementEquityComponents

us-gaap:SharesOutstanding

us-gaap:CommonStock


Shares
Period End2021-03-312020-12-312020-03-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value13313413213111298959593767673707048
Percentage of SharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesIssued


Common
Period End2021-03-312020-12-312020-09-302020-06-302019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-312015-12-312015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value13313413313213111211111011098979797959595959494939393767676767573730.073205737370
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Preferred Stock Shares Issued

us-gaap:PreferredStockSharesIssued us-gaap:StatementClassOfStock

us-gaap:PreferredStockSharesIssued

us-gaap:SeriesBPreferredStock


Preferred
Period End2020-12-312020-06-302019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-312015-12-312015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value0.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.0
Percentage of PreferredStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStockSharesOutstanding


Common
Period End2021-03-312020-12-312020-09-302020-06-302019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-312015-12-312015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value13313413313213111211111011098959797959595959494939393767676767573730.073205737370
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Share Outstanding Basic And Diluted

us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted

us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted


Weighted
Period End2021-03-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value135133133132131123
Percentage of WeightedAverageNumberOfShareOutstandingBasicAndDiluted100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EmployeeStockOption


Antidilutive
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302018-09-302018-06-302018-03-312017-03-312016-09-302016-06-302016-03-312015-09-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302012-09-302012-06-30
Value0.0930.2010.1490.2180.2180.10.30.30.22.84.15.04.90.41.74.35.24.85.14.32.1
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PerformanceShares


Antidilutive
Period End2021-03-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value0.260.3520.3540.1870.4130.371
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount0.0378.5176.1125.5189.4170.2

Earnings Per Share Basic And Diluted

us-gaap:EarningsPerShareBasicAndDiluted

us-gaap:EarningsPerShareBasicAndDiluted


Earnings
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-0.04-0.06-0.03-0.09-0.24-0.82-0.14-0.16-0.18
Percentage of EarningsPerShareBasicAndDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-2.097-4.989-3.559-10.243-47.576-107.229-18.876-16.665-8.618-13.952-7.3661114130234024312830-71.32626261920191516151614161717128.30711118.33
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.4-3.4-2.3-7.3-32.7-77.2-13.0-11.6-6.5-10.2-5.50.0122.726.020.90.022.728.125.729.3-67.025.125.520.320.818.414.917.116.016.615.818.117.818.013.38.711.412.39.1

Cost Of Goods And Services Sold

us-gaap:CostOfGoodsAndServicesSold us-gaap:ProductOrService

us-gaap:CostOfGoodsAndServicesSold

us-gaap:Service


Cost
Period End2021-03-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value232323212325
Percentage of CostOfGoodsAndServicesSold100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.815.816.515.116.317.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Service20.020.520.419.020.423.1

us-gaap:SubscriptionAndCirculation


Cost
Period End2021-03-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value131512121213
Percentage of CostOfGoodsAndServicesSold56.164.552.255.854.552.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.910.28.68.48.99.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:SubscriptionAndCirculation54.461.460.955.160.257.1

Costs And Expenses

us-gaap:CostsAndExpenses

us-gaap:CostsAndExpenses


Costs
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value137141138134133138136139132130118991297875636563676015459
Percentage of CostsAndExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax93.896.591.695.891.9100.094.597.4100.195.687.90.1112.167.368.00.161.355.961.858.5145.656.1

Gains Losses On Extinguishment Of Debt

us-gaap:GainsLossesOnExtinguishmentOfDebt

us-gaap:GainsLossesOnExtinguishmentOfDebt


Gains
Period End2020-09-302020-06-302020-03-312019-09-30
Value00-30209000.00
Percentage of GainsLossesOnExtinguishmentOfDebt0.00.0100.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.0-20.80.0

Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-13.781-17.892-9.69-16.998-44.384-142.029-22.456-25.871-24.872-14.5133.42515-12.60239365641504243-48.791454233313225273427262829251113211712
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-9.4-12.2-6.4-12.1-30.5-102.3-15.5-18.1-18.8-10.62.50.0-10.933.732.70.139.044.538.941.8-45.843.341.634.631.530.224.627.735.026.928.130.629.426.512.313.821.018.613.4

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value-8.598-9.967-5.685-4.576-12.682-34.172-4.444-7.765-17.29-1.6577.8433.839-154.47910111817181515201616128.63612101018101111118.119-0.9494.777106.1543.9112.662102.964
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-5.9-6.8-3.8-3.3-8.7-24.6-3.1-5.4-13.1-1.25.80.0-133.88.610.50.016.616.514.314.419.415.416.112.98.611.29.910.819.110.411.812.511.68.3-1.05.09.86.44.30.010.83.5

Income Taxes Paid Net

us-gaap:IncomeTaxesPaidNet

us-gaap:IncomeTaxesPaidNet


Income
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-312012-09-302011-12-312010-12-31
Value0.52-1.5950.3260.3540.254-1.6050.4090.1590.2710.2480.253-0.0040.3520.2221.090.3890.2670.2350.51.610.6790.7140.4260.322-0.4110.0440.2290.027-0.02-0.0030.097-2.3567.605
Percentage of IncomeTaxesPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.4-1.10.20.30.2-1.20.30.10.20.20.0-0.00.30.20.00.40.20.20.51.50.60.70.40.3-0.40.00.20.0-0.0-0.00.1-2.50.0

Interest Income Expense Net

us-gaap:InterestIncomeExpenseNet

us-gaap:InterestIncomeExpenseNet


Interest
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value-22769000.0-22693000.0-22628000.0-22506000.0-26444000.0-30320000.0-30493000.0-28986000.0-25146000.0-20145000.0-12985000.0-4165000.01417000.01246000.0832000.0833000.0676000.0700000.0800000.0758000.0777000.0263000.0792000.01237000.01016000.01262000.0725000.0637000.0441000.0557000.0641000.0484000.0399000.0121000.068000.0375000.0278000.0262000.0285000.0222000.081000.0228000.0
Percentage of InterestIncomeExpenseNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-15.5-15.5-14.9-16.1-18.2-21.8-21.1-20.3-19.0-14.7-9.6-0.01.21.10.70.00.60.60.70.70.70.20.81.31.01.20.70.60.40.60.70.50.40.10.10.40.30.30.30.00.10.3

Interest Paid Net

us-gaap:InterestPaidNet

us-gaap:InterestPaidNet


Interest
Period End2021-03-312020-09-302020-06-302020-03-312019-09-302014-09-302013-09-30
Value21212133550.00.0
Percentage of InterestPaidNet100.0100.0100.0100.0100.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.914.415.623.038.60.00.0

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value-5.183-7.925-4.005-12.422-31.702-107.857-18.012-18.106-18.024-7.582-12.856-4.4181114129243724312628-69.4312925212320151615161514161717128.41711118.29910103.2
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-3.5-5.4-2.6-8.9-21.8-77.7-12.4-12.7-13.5-5.7-9.4-3.30.0122.925.122.20.022.428.024.627.4-65.227.925.521.722.919.014.616.915.916.516.316.718.117.818.113.38.911.112.29.10.011.33.8

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value-5.183-7.925-4.005-12.422-31.702-107.857-18.012-18.106
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-3.5-5.4-2.6-8.9-21.8-77.7-12.4-12.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.0

Net Income Loss Available To Common Stockholders Basic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic


Net
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312012-09-302012-06-30
Value-5.183-7.925-4.005-12.422-31.702-107.857-18.012-20.203-9.679-14.94-6.5277.61313825203420272224-73.2925221719161214131413151717
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-3.5-5.4-2.6-8.9-21.8-77.7-12.4-14.1-7.3-10.9-4.80.0119.521.818.70.018.824.621.123.7-68.924.221.717.719.115.411.915.114.114.814.416.317.818.1

Nonoperating Income Expense

us-gaap:NonoperatingIncomeExpense

us-gaap:NonoperatingIncomeExpense


Nonoperating
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value-22797000.0-22992000.0-22423000.0-22826000.0-56206000.0-142030000.0-30467000.0-29612000.0-24730000.0-20524000.0-12920000.0-4128000.01348000.01226000.0776000.0746000.0353000.0434000.0765000.0242000.0-248000.0-623000.077000.0106000.0-166000.0-557000.0-4524000.0-1212000.08104000.0-2430000.0-2248000.0-2789000.0-2156000.0-2492000.0-2619000.0-2620000.0-2803000.0-2906000.0-4091000.0-2252000.075000.0206000.0
Percentage of NonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-15.6-15.7-14.8-16.3-38.7-102.3-21.0-20.7-18.7-15.0-9.6-0.01.21.10.70.00.30.40.70.2-0.2-0.60.10.1-0.2-0.5-4.4-1.28.3-2.4-2.4-3.0-2.1-2.6-2.8-2.8-2.7-3.0-4.50.00.10.2

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value9.0165.1125.828110.0018.0113.741-1.633-0.1426.0111619-13.9538355541494143-48.5434642333133292826292825313128141524201615205.958
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.23.58.44.28.10.05.52.6-1.2-0.14.412.10.0-12.132.732.00.138.744.138.241.5-45.643.941.534.531.730.729.028.926.729.330.528.433.631.529.115.116.623.721.617.90.022.07.1

Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax


Other
Period End2021-03-312020-09-302020-06-302020-03-312019-06-30
Value3.81.802-22.702110.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax100.0100.0100.0100.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.61.2-16.28.20.0

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:OtherNonoperatingIncomeExpense


Other
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value-0.028-0.2990.205-0.320.447-0.2070.026-0.6260.416-0.3790.0650.037-0.069-0.02-0.056-0.062-0.1530.0390.333-0.013-0.357-0.1120.215-0.2140.23-0.365-3.789-0.359.369-1.101-0.869-0.89-0.067-0.0310.09210-3.081-3.168-0.078-0.106-0.006-0.022
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.0-0.20.1-0.20.3-0.10.0-0.40.3-0.30.00.0-0.1-0.0-0.1-0.0-0.10.00.3-0.0-0.3-0.10.2-0.20.2-0.3-3.7-0.49.5-1.1-0.9-1.0-0.1-0.00.111.1-3.0-3.3-0.10.0-0.0-0.0

Research And Development Expense

us-gaap:ResearchAndDevelopmentExpense

us-gaap:ResearchAndDevelopmentExpense


Research
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value2.7174.0973.1162.382.4443.5922.8224.2857.2225.0585.5664.5835.0253.9813.0143.2274.4695.0384.0132.5594.1163.484.4224.1265.9114.914.6452.1214.6243.1251.7412.7843.6233.4295.6897.9153.1223.3794.2684.472.3118.132
Percentage of ResearchAndDevelopmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.92.82.11.71.72.61.93.05.53.74.10.04.43.42.70.04.24.53.72.53.93.34.34.35.94.64.52.24.73.11.83.03.63.56.18.33.13.54.70.02.49.7

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


Revenue
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value14614615114014513814414313313213613489742115116111817731071121091041061061019710010710298981009489921009793941029591879483
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:MajorCustomers, us-gaap:ProductOrService

irdm:Commercial, irdm:EngineeringandSupportServices


Revenue
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value0.7461.2651.1271.140.9971.0010.7950.831
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.50.90.70.80.70.70.50.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.50.90.70.80.70.70.50.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax irdm:Commercial irdm:EngineeringandSupportServices100.0100.0100.0100.0100.0100.0100.0100.0

irdm:Commercial, us-gaap:Service


Revenue
Period End2021-03-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value909188909086
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax61.760.663.062.662.360.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax61.760.663.062.662.360.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax irdm:Commercial us-gaap:Service100.0100.0100.0100.0100.0100.0

irdm:USGovernment, irdm:EngineeringandSupportServices


Revenue
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value5.6849.4658.3115.8686.0527.2636.7628.052
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.96.55.54.24.25.24.75.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.96.55.54.24.25.24.75.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax irdm:USGovernment irdm:EngineeringandSupportServices100.0100.0100.0100.0100.0100.0100.0100.0

irdm:USGovernment, us-gaap:Service


Revenue
Period End2021-03-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value252525252524
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax17.616.617.817.217.717.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax17.616.617.817.217.717.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax irdm:USGovernment us-gaap:Service100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService

irdm:CommercialBroadbandServices


Revenue
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value9.4349.629.128.5198.78.1238.1357.382
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.46.66.06.16.05.85.65.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.46.66.06.16.05.85.65.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax irdm:CommercialBroadbandServices100.0100.0100.0100.0100.0100.0100.0100.0

irdm:CommercialIoTDataServices


Revenue
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value24252522232425232122201978319191816930
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.917.216.816.116.417.817.516.716.516.515.422.016.916.516.620.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.917.216.816.116.417.817.516.716.516.515.422.016.916.516.620.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax irdm:CommercialIoTDataServices100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

irdm:CommercialVoiceandDataServices


Revenue
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value4141424142434443
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax28.328.628.229.829.131.430.930.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax28.328.628.229.829.131.430.930.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax irdm:CommercialVoiceandDataServices100.0100.0100.0100.0100.0100.0100.0100.0

irdm:EngineeringandSupportServices


Revenue
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value6.43109.4387.0087.0498.2647.5578.883
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.47.36.25.04.96.05.26.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.47.36.25.04.96.05.26.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax irdm:EngineeringandSupportServices100.0100.0100.0100.0100.0100.0100.0100.0

irdm:HostedPayloadandOtherDataServices


Revenue
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value1414141516121211
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.19.89.611.011.28.78.38.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.19.89.611.011.28.78.38.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax irdm:HostedPayloadandOtherDataServices100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Service


Revenue
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value116116116113115113115110
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax79.379.877.280.979.881.880.077.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax79.379.877.280.979.881.880.077.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Service100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SubscriptionAndCirculation


Revenue
Period End2021-03-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value232519222123
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.316.614.115.314.816.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.316.614.115.314.816.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:SubscriptionAndCirculation100.0100.0100.0100.0100.0100.0

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1461461511401451381441431331321361341191151161111041071121091041061061019710010710298981009489921009793941029591879483
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.1100.0100.0100.00.1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:SellingGeneralAndAdministrativeExpense


Selling
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value222720212025222023272422261820192218221924171820221818192018181516171815161617171616
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.518.813.615.114.318.315.814.718.019.918.00.022.815.818.30.020.916.620.418.323.216.518.421.222.617.018.019.620.518.219.416.316.418.519.416.316.117.019.120.217.319.9

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-03-312020-12-312020-09-302020-06-302019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-312015-12-312015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value326633603365337336234014410640794111378237843770359334993398317932043096298129092685263023092193207419161629159215111374124512001047
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-03-312020-12-312020-09-302020-06-302019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-312015-12-312015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value19021941195019642164241225062473250321852335235822092155207919211975181917301677147514391370126811661039864857795672553521391
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets58.357.857.958.259.760.161.060.660.957.861.762.561.561.661.260.461.758.858.157.754.954.759.357.856.354.353.053.852.649.044.543.437.4

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-03-312020-12-312020-09-302020-06-302019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-312015-12-312015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value326633603365337336234014410640794111378237843770359334993398317932043096298129092685263023092193207419161629159215111374124512001047
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-312015-12-312015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-31
Value13631419141514091413145915591572158616011599160616081596144814121383134313181257122812761250123112101190939925907876764735715701691678655629
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets41.742.242.141.80.040.30.00.00.039.939.039.439.142.238.337.538.538.438.839.638.341.241.942.345.145.340.742.243.745.747.046.247.451.055.556.662.60.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value-14.094-17.18-20.116-20.562-22.741-6.867-7.495-6.631-8.072-8.797-3.796-5.446-9.063-2.92-0.689-0.357-0.2250.090.022
Percentage of StockholdersEquity-1.0-1.2-1.4-1.5-1.6-0.5-0.5-0.4-0.5-0.5-0.2-0.4-0.7-0.2-0.1-0.0-0.00.00.0
Percentage of Assets-0.4-0.5-0.6-0.60.0-0.20.00.00.0-0.2-0.1-0.2-0.3-0.1-0.0-0.0-0.00.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value11521160115111411136113411261121111011081081106010441033801793681675670
Percentage of StockholdersEquity84.581.881.481.080.477.772.371.370.069.267.778.985.083.985.390.597.2103.0106.4
Percentage of Assets35.334.534.233.80.031.30.00.00.027.628.630.332.635.534.741.449.664.50.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value0.1330.1340.1330.1330.1320.1320.1310.1310.1130.1120.0980.0960.0950.0940.0770.0760.0730.070.07
Percentage of StockholdersEquity0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value2252752832873003314394574835015182881932011388320-20.646-40.587
Percentage of StockholdersEquity16.519.420.120.421.222.728.229.130.531.332.521.515.716.414.89.52.9-3.1-6.4
Percentage of Assets6.98.28.48.50.09.20.00.00.012.513.78.36.06.96.04.31.5-2.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets Current

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


Assets
Period End2021-03-312020-12-312020-09-302020-06-302019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-312015-12-312015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value322347286229342390497495572411452462516516531506481591602573638616369378376367287264240227215195208
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.910.38.56.89.59.712.112.213.910.912.012.314.414.815.615.915.019.120.219.723.823.416.017.318.119.217.716.615.916.517.316.319.9

Cash

us-gaap:Cash

us-gaap:Cash


Cash
Period End2021-03-312020-12-312020-09-302020-06-302019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-312015-12-312015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302012-12-31
Value13272019132016202124140117117102114115679710986133209869195166
Percentage of Cash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.40.80.60.60.40.50.40.50.50.63.73.13.32.93.43.62.13.23.73.05.08.03.74.24.68.7

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-03-312020-12-312020-09-302020-06-302019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-312008-12-31
Value2142371821192232733811764302853303353863713743662871852901982172113073361841861961962541891661461361241031031191041201470.129
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.67.15.43.56.26.89.34.310.57.68.78.910.710.611.00.09.05.80.06.47.37.311.412.80.08.19.09.513.311.610.59.79.910.08.60.011.40.00.00.00.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-31
Value21423718211967223366369465572365619388432470521484276297
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.67.15.43.50.06.20.00.011.613.99.015.110.311.412.514.513.88.610.2

Accounts Receivable Net Current

us-gaap:AccountsReceivableNetCurrent

us-gaap:AccountsReceivableNetCurrent


Accounts
Period End2021-03-312020-12-312020-09-302020-06-302019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-312015-12-312015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value596159606871737475686163575761535156505060705464555654595857595950
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.81.81.81.81.91.81.81.81.81.81.61.71.61.61.81.71.61.81.71.72.22.72.42.92.72.93.43.73.94.24.85.04.8

Inventory Net

us-gaap:InventoryNet

us-gaap:InventoryNet


Inventory
Period End2021-03-312020-12-312020-09-302020-06-302019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-312015-12-312015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value303233373927222020201720171821252732272829282928282624181615141416
Percentage of InventoryNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.91.01.01.11.10.70.50.50.50.50.50.50.50.50.60.80.91.00.91.01.11.11.31.31.41.41.51.21.11.11.21.21.6

Prepaid Expense And Other Assets Current

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:PrepaidExpenseAndOtherAssetsCurrent


Prepaid
Period End2021-03-312020-12-312020-09-302020-06-302019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-312015-12-312015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value109.464111210182025262523222230211513109.3041010.011124.7675.2854.8165.5646.3185.1674.6164.3084.978
Percentage of PrepaidExpenseAndOtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.30.30.40.30.50.50.60.60.70.60.60.60.90.60.50.40.30.30.40.40.40.50.20.30.30.30.40.30.30.30.5

Land

us-gaap:Land

us-gaap:Land


Land
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value8037000.08037000.08037000.08037000.08037000.08037000.08037000.08037000.08037000.08268000.0
Percentage of Land100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.20.20.20.20.30.30.30.40.6

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value3588358231151526571543517500461435
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets106.898.977.640.416.317.017.821.724.131.7

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312011-09-302011-06-302010-12-31
Value95968245343242238533929624017615613897
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets28.618.811.311.412.112.011.712.812.512.912.611.59.3

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-03-312020-12-312020-09-302020-06-302019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-312015-12-312015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value2851291729813046318033703356333432913210317031112879281326962516244321402015197116891654157514511345121010101008954843727717566
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets87.386.888.690.387.884.081.781.780.084.983.882.580.180.479.379.276.369.167.667.862.962.968.266.264.963.262.063.363.261.458.559.854.1

us-gaap:PropertyPlantAndEquipmentNet us-gaap:StatementGeographical

country:US


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value42142118816512412713711894
Percentage of PropertyPlantAndEquipmentNet14.513.25.65.24.45.27.07.57.8
Percentage of Assets12.611.64.74.43.64.04.75.14.9
Percentage of Assets country:US0.00.00.00.00.00.00.00.00.0

irdm:AllOther


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value7.926151930353021206.0496.127
Percentage of PropertyPlantAndEquipmentNet0.30.50.60.91.31.21.11.30.50.7
Percentage of Assets0.20.40.50.81.01.00.70.90.30.4
Percentage of Assets irdm:AllOther0.00.00.00.00.00.00.00.00.00.0

irdm:SatellitesInOrbit


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value24872744250492613325796137188
Percentage of PropertyPlantAndEquipmentNet85.386.374.328.80.51.32.96.111.422.3
Percentage of Assets74.075.762.424.50.41.02.04.27.213.7
Percentage of Assets irdm:SatellitesInOrbit0.00.00.00.00.00.00.00.00.00.0

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill


Intangible
Period End2021-03-312020-12-312020-09-302020-06-302019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-312015-12-312015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value454545464648484949505050514545464646474747505760637073778083869096
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.41.41.41.41.31.21.21.21.21.31.31.31.41.31.41.51.51.51.61.61.81.92.52.83.13.74.54.85.36.17.07.59.2

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value10111314101112223548
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.30.30.40.30.40.41.01.83.5

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

irdm:AssembledWorkforce


Finite
Period End2020-12-312019-12-312018-12-312017-12-31
Value2.4343.2454.0564.866
Percentage of FiniteLivedIntangibleAssetsNet23.727.630.532.9
Percentage of Assets0.10.10.10.1
Percentage of Assets irdm:AssembledWorkforce0.00.00.00.0

us-gaap:IntellectualProperty


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value7.5128.2229.0059.7881011121314
Percentage of FiniteLivedIntangibleAssetsNet73.170.067.666.2100.0100.0100.059.340.2
Percentage of Assets0.20.20.20.30.30.40.40.60.7
Percentage of Assets us-gaap:IntellectualProperty0.00.00.00.00.00.00.00.00.0

us-gaap:Patents


Finite
Period End2020-12-312019-12-312018-12-312017-12-31
Value0.3330.2850.2540.14
Percentage of FiniteLivedIntangibleAssetsNet3.22.41.90.9
Percentage of Assets0.00.00.00.0
Percentage of Assets us-gaap:Patents0.00.00.00.0

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2020-12-312019-12-31
Value2327
Percentage of OperatingLeaseRightOfUseAsset100.0100.0
Percentage of Assets0.70.7

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssetsNoncurrent


Other
Period End2021-03-312020-12-312020-09-302020-06-302019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-312015-12-312015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value47505152521212109.3318.4149.307101010117.8488.1888.4497.017.7268.5527.7338.9097.7088.4452.9120.5150.5850.5210.58427140.814
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.51.51.51.51.50.30.30.20.20.20.20.30.30.30.30.20.30.30.20.30.30.30.40.40.40.20.00.00.00.02.21.20.1

Accounts Payable Current

us-gaap:AccountsPayableCurrent

us-gaap:AccountsPayableCurrent


Accounts
Period End2021-03-312020-12-312020-09-302020-06-302019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-312015-12-312015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value9.909147.1818.5196.7131212253543541281011378.43931276.774171115129.15614131348115245.5125328
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.40.20.30.20.30.30.60.91.11.53.40.30.31.10.31.00.90.20.60.40.60.60.40.70.70.83.07.61.80.44.52.7

Accrued Liabilities Current

us-gaap:AccruedLiabilitiesCurrent

us-gaap:AccruedLiabilitiesCurrent


Accrued
Period End2021-03-312020-12-312020-09-302020-06-302019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-312015-12-312015-06-302015-03-312014-12-31
Value3449403849564740493231282323292729333838
Percentage of AccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.11.51.21.11.41.41.21.01.20.90.80.80.70.70.90.90.91.11.31.3

Liabilities Current

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


Liabilities
Period End2021-03-312020-12-312020-09-302020-06-302019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-312015-12-312015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value88113100101113262325227213214163208104831148110110910510211210210111010188981231959579118132
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.73.43.03.03.16.57.95.65.25.74.35.52.92.43.42.63.23.63.53.54.23.94.45.04.94.66.07.713.07.06.39.812.7

Long Term Debt Current

us-gaap:LongTermDebtCurrent

us-gaap:LongTermDebtCurrent


Long
Period End2020-12-31
Value16
Percentage of LongTermDebtCurrent100.0
Percentage of Assets0.5

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


Operating
Period End2020-12-312019-12-31
Value3838000.03397000.0
Percentage of OperatingLeaseLiabilityCurrent100.0100.0
Percentage of Assets0.10.1

Long Term Debt

us-gaap:LongTermDebt

us-gaap:LongTermDebt


Long
Period End2021-03-312020-12-312017-12-31
Value161015961618
Percentage of LongTermDebt100.0100.0100.0
Percentage of Assets49.347.542.8

us-gaap:LongTermDebt us-gaap:LongtermDebtType

us-gaap:SecuredDebt


Long
Period End2020-09-302020-06-30
Value16161620
Percentage of LongTermDebt0.00.0
Percentage of Assets48.048.0
Percentage of Assets us-gaap:SecuredDebt0.00.0

Deferred Tax Liabilities Noncurrent

us-gaap:DeferredTaxLiabilitiesNoncurrent

us-gaap:DeferredTaxLiabilitiesNoncurrent


Deferred
Period End2020-12-312019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-312015-12-312015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value155188241259260253246400390379361344311296277272245241219202184174167144134126127119110100
Percentage of DeferredTaxLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.65.26.06.36.46.26.510.610.410.610.310.19.89.39.09.18.49.08.38.88.48.48.88.98.48.49.39.69.29.6

Deferred Income Tax Liabilities Net

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:DeferredIncomeTaxLiabilitiesNet


Deferred
Period End2021-03-312020-12-312020-09-302020-06-302019-12-31
Value146155165170188
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0100.0100.0
Percentage of Assets4.54.64.95.15.2

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


Other
Period End2021-03-312020-12-312020-09-302020-06-302019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-312015-12-312015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value24253134294.164.1344.154.1885932334.2374.3172725123.3113.2073.28416171020201314131313292723
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.70.70.91.00.80.10.10.10.11.60.90.90.10.10.80.80.40.10.10.10.60.70.40.91.00.70.90.90.91.02.42.32.2

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


Operating
Period End2020-12-312019-12-31
Value2326
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0
Percentage of Assets0.70.7

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2020-12-312019-12-31
Value2730
Percentage of OperatingLeaseLiability100.0100.0
Percentage of Assets0.80.8

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-312015-12-312015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-31
Value13631419141514091413145915591572158616011599160616081596144814121383134313181257122812761250123112101190939925907876764735715701691678655629
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets41.742.242.141.80.040.30.00.00.039.939.039.439.142.238.337.538.538.438.839.638.341.241.942.345.145.340.742.243.745.747.046.247.451.055.556.662.60.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value-14.094-17.18-20.116-20.562-22.741-6.867-7.495-6.631-8.072-8.797-3.796-5.446-9.063-2.92-0.689-0.357-0.2250.090.022
Percentage of StockholdersEquity-1.0-1.2-1.4-1.5-1.6-0.5-0.5-0.4-0.5-0.5-0.2-0.4-0.7-0.2-0.1-0.0-0.00.00.0
Percentage of Assets-0.4-0.5-0.6-0.60.0-0.20.00.00.0-0.2-0.1-0.2-0.3-0.1-0.0-0.0-0.00.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value11521160115111411136113411261121111011081081106010441033801793681675670
Percentage of StockholdersEquity84.581.881.481.080.477.772.371.370.069.267.778.985.083.985.390.597.2103.0106.4
Percentage of Assets35.334.534.233.80.031.30.00.00.027.628.630.332.635.534.741.449.664.50.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value0.1330.1340.1330.1330.1320.1320.1310.1310.1130.1120.0980.0960.0950.0940.0770.0760.0730.070.07
Percentage of StockholdersEquity0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value2252752832873003314394574835015182881932011388320-20.646-40.587
Percentage of StockholdersEquity16.519.420.120.421.222.728.229.130.531.332.521.515.716.414.89.52.9-3.1-6.4
Percentage of Assets6.98.28.48.50.09.20.00.00.012.513.78.36.06.96.04.31.5-2.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-03-312020-12-312020-09-302020-06-302019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-312015-12-312015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value133000.0134000.0133000.0133000.0132000.0112000.0111000.0111000.0110000.098000.098000.098000.097000.096000.096000.096000.095000.095000.095000.094000.094000.093000.077000.077000.077000.076000.075000.073000.073000.073000.073000.073000.070000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Additional Paid In Capital Common Stock

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AdditionalPaidInCapitalCommonStock


Additional
Period End2021-03-312020-12-312020-09-302020-06-302019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value1152116011511141113411081098109110851081107510691063106010551044
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets35.334.534.233.831.327.626.726.726.428.628.428.429.630.331.132.6

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-03-312020-12-312020-09-302020-06-302019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-312015-12-312015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value225275283287331501509522526518376347322288268217193240218201182165138124110836849321911-0.061-20.043
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.98.28.48.59.212.512.412.812.813.710.09.29.08.37.96.96.07.87.36.96.86.36.05.75.34.34.23.12.11.40.9-0.0-1.9

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-03-312020-12-312020-09-302020-06-302019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-312015-12-312015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value-14094000.0-17180000.0-20116000.0-20562000.0-6867000.0-8797000.0-7761000.0-6664000.0-3717000.0-3796000.0-3586000.0-4654000.0-3203000.0-5446000.0-5747000.0-7067000.0-9063000.0-4211000.0-4260000.0-2920000.0-809000.0-197000.0-689000.0-778000.0-903000.0-357000.0-305000.0-310000.0-193000.0-225000.0-114000.0261000.090000.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-0.4-0.5-0.6-0.6-0.2-0.2-0.2-0.2-0.1-0.1-0.1-0.1-0.1-0.2-0.2-0.2-0.3-0.1-0.1-0.1-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.00.00.0

Treasury Stock Value

us-gaap:TreasuryStockValue

us-gaap:TreasuryStockValue


Treasury
Period End2021-03-31
Value100000.0
Percentage of TreasuryStockValue100.0
Percentage of Assets0.0

Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


Adjustments
Period End2021-03-312020-03-31
Value5.5754.1
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0
Percentage of Assets0.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value5.5754.5475.1344.5414.14.0824.4234.356
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.00.00.00.0100.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312013-09-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value50707463405578388482588356634441435336514751324671
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax34.648.249.345.528.140.154.128.961.761.40.171.550.20.143.844.843.154.538.954.346.854.135.253.375.5

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312013-09-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-9.417-17.203-10.612-9.168-9.487-15.063-10.175-96.661120-311.813-91.245-121.529-107.655-42.616-106.247-222.199-34.639-151.913-34.791-118.993-69.473-114.648-56.223-103.191-86.101
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-6.4-11.7-7.0-6.5-6.5-10.8-7.0-73.188.3-231.1-0.1-104.3-96.5-0.1-105.6-240.8-34.5-156.1-37.2-125.3-68.0-119.5-61.6-117.4-91.1

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312013-09-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-63.2640.2940.603-3.058-186.025-184.597-71.242-48.1442.097-25.006264101.111562245141188.9687842628.05171-1.366
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-43.20.20.4-2.2-128.0-132.9-49.2-36.41.5-18.50.39.21.00.062.0266.514.0121.99.683.241.865.28.881.5-1.4

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-22.343546351-156.272-143.193-3.221-107.079206-254.001231-43.865-38.342-50.86237
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-15.237.242.037.0-107.6-103.1-2.2-81.0151.0-188.20.3-38.0-32.9-45.60.0

Amortization Of Financing Costs

us-gaap:AmortizationOfFinancingCosts

us-gaap:AmortizationOfFinancingCosts


Amortization
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value0.9490.9340.9250.9090.893.4195.456
Percentage of AmortizationOfFinancingCosts100.0100.0100.0100.0100.0100.0100.0

Deferred Income Tax Expense Benefit

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DeferredIncomeTaxExpenseBenefit


Deferred
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value-8.851-10.084-5.917-0.533-17.15-35.354-0.802
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


Depreciation
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value757575757575747567625038652220131111121212121213131919201819181820182423262323232222
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Accounts Payable

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:IncreaseDecreaseInAccountsPayable


Increase
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value-4233000.06854000.0-1111000.0-653000.02320000.0-7298000.01594000.0
Percentage of IncreaseDecreaseInAccountsPayable100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Accounts Receivable

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInAccountsReceivable


Increase
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value-1.5351.578-0.86-3.498-3.6-1.458-21.454
Percentage of IncreaseDecreaseInAccountsReceivable100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Inventories

us-gaap:IncreaseDecreaseInInventories

us-gaap:IncreaseDecreaseInInventories


Increase
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value-2.561-0.525-3.98-0.429-2.31.9131.33
Percentage of IncreaseDecreaseInInventories100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312013-09-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value50707463405578388482588356634441435336514751324671
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax34.648.249.345.528.140.154.128.961.761.40.171.550.20.143.844.843.154.538.954.346.854.135.253.375.5

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value-5.183-7.925-4.005-12.422-31.702-107.857-18.012-18.106-18.024-7.582-12.856-4.4181114129243724312628-69.4312925212320151615161514161717128.41711118.29910103.2
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-3.5-5.4-2.6-8.9-21.8-77.7-12.4-12.7-13.5-5.7-9.4-3.30.0122.925.122.20.022.428.024.627.4-65.227.925.521.722.919.014.616.915.916.516.316.718.117.818.113.38.911.112.29.111.511.33.8

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value-5.183-7.925-4.005-12.422-31.702-107.857-18.012-18.106
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-3.5-5.4-2.6-8.9-21.8-77.7-12.4-12.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.0

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value4.9064.1544.7654.0973.6983.6144.1346.7850.2360.1890.1225.6050.0080.1640.118
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312013-09-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-9.417-17.203-10.612-9.168-9.487-15.063-10.175-96.661120-311.813-91.245-121.529-107.655-42.616-106.247-222.199-34.639-151.913-34.791-118.993-69.473-114.648-56.223-103.191-86.101
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-6.4-11.7-7.0-6.5-6.5-10.8-7.0-73.188.3-231.1-0.1-104.3-96.5-0.1-105.6-240.8-34.5-156.1-37.2-125.3-68.0-119.5-61.6-117.4-91.1

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


Payments
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value9.4179.422109.1689.48715109679132821091221194817374807524377124502963649581401112203415134119691145610386
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312013-09-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-63.2640.2940.603-3.058-186.025-184.597-71.242-48.1442.097-25.006264101.111562245141188.9687842628.05171-1.366
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-43.20.20.4-2.2-128.0-132.9-49.2-36.41.5-18.50.39.21.00.062.0266.514.0121.99.683.241.865.28.881.5-1.4

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock


Payments
Period End2021-03-31
Value59
Percentage of PaymentsForRepurchaseOfCommonStock100.0

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value2554000.04153000.05703000.06856000.07202000.07120000.06671000.06183000.05431000.04643000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value9.18.788.297.947.877.867.687.898.38.45
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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:GranteeStatus

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod

irdm:PerformanceBasedBonusRSU, us-gaap:ShareBasedPaymentArrangementEmployee


Share
Period End2021-03-312020-03-31
Value0.2280.115
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod100.0100.0

irdm:ServiceBasedRSU, us-gaap:ShareBasedPaymentArrangementEmployee


Share
Period End2021-03-312020-03-31
Value0.4370.632
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod191.7549.6

us-gaap:RestrictedStockUnitsRSU, us-gaap:ShareBasedPaymentArrangementNonemployee


Share
Period End2020-09-302019-09-30
Value0.010.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod0.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod us-gaap:TitleOfIndividual, us-gaap:AwardType

srt:Director, irdm:ServiceBasedRSU


Share
Period End2021-03-312020-03-31
Value0.0350.058
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod15.450.4

srt:ExecutiveOfficer, us-gaap:PerformanceShares


Share
Period End2021-03-312020-09-302020-06-302020-03-312019-09-30
Value0.110.00.00.1440.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod48.20.00.0125.20.0

Deferred Tax Liabilities

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value151187241245361296234193-146.661-117.111
Percentage of DeferredTaxLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value485446354187166197206186169123
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value537000.0953000.01112000.01046000.0920000.0916000.01150000.01259000.01405000.01450000.0746000.0
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value3229143.8152.8254.5296.8066.5672.20.441
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsValuationAllowance us-gaap:IncomeTaxAuthority

us-gaap:ForeignCountry


Deferred
Period End2020-12-312019-12-31
Value0.50.8
Percentage of DeferredTaxAssetsValuationAllowance1.62.7

irdm:AdjustmentsToAdditionalPaidInCapitalStockWithheldToCoverEmployeeTaxes

irdm:AdjustmentsToAdditionalPaidInCapitalStockWithheldToCoverEmployeeTaxes


Adjustments
Period End2021-03-312020-03-31
Value4198000.03184000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalStockWithheldToCoverEmployeeTaxes100.0100.0

irdm:AdjustmentsToAdditionalPaidInCapitalStockWithheldToCoverEmployeeTaxes us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value4198000.0510000.0447000.0372000.03184000.0357000.0395000.0356000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalStockWithheldToCoverEmployeeTaxes100.00.00.00.0100.00.00.00.0

irdm:CapitalizedAmortizationOfDeferredFinancingCosts

irdm:CapitalizedAmortizationOfDeferredFinancingCosts


Capitalized
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-312012-09-30
Value0.0290.0330.0320.0290.0210.140.2282.2543.0694.4346.5498.3128.3924.1056.4959.119104.9424.2144.623.2296.1014.422271.8011.3893.5084.1813.7941.7142.182
Percentage of CapitalizedAmortizationOfDeferredFinancingCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

irdm:FinancingCosts

irdm:FinancingCosts


Financing
Period End2021-03-31
Value3600000.0
Percentage of FinancingCosts100.0

irdm:LossonExtinguishmentofDebt

irdm:LossonExtinguishmentofDebt


Losson
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value0.00.00.0301110.00.0
Percentage of LossonExtinguishmentofDebt0.00.00.0100.0100.00.00.0

us-gaap:AmortizationOfFinancingCostsAndDiscounts

us-gaap:AmortizationOfFinancingCostsAndDiscounts


Amortization
Period End2021-03-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value1.01.00.90.95.75.8
Percentage of AmortizationOfFinancingCostsAndDiscounts100.0100.0100.0100.0100.0100.0

us-gaap:CapitalExpendituresIncurredButNotYetPaid

us-gaap:CapitalExpendituresIncurredButNotYetPaid


Capital
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value3.1631.1880.284-0.0362.2852.668-0.5641.378-10.052-21.684210-72.5841492.759-28.265252.2383.15-4.0486.015231.3147.746-0.3525.2573.9154.308-4.2640.695-23.903-80.35410711-38.9192119-33.33251
Percentage of CapitalExpendituresIncurredButNotYetPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConcentrationRiskPercentage1 us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType

us-gaap:ConcentrationRiskPercentage1

us-gaap:AccountsReceivable, irdm:PrimeContractsWithTheUSGovernment


Concentration
Period End2021-03-31
Value30.0
Percentage of ConcentrationRiskPercentage1100.0

us-gaap:ContractWithCustomerLiabilityRevenueRecognized

us-gaap:ContractWithCustomerLiabilityRevenueRecognized


Contract
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value118.09.611128.69.110-18.011168.5-2.89.58.77.3
Percentage of ContractWithCustomerLiabilityRevenueRecognized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1 us-gaap:LongtermDebtType

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1

irdm:TermLoanBOriginal


Debt
Period End2021-03-31
Value3.75
Percentage of DebtInstrumentBasisSpreadOnVariableRate1100.0

irdm:TermLoanBRefinanced


Debt
Period End2021-03-31
Value2.75
Percentage of DebtInstrumentBasisSpreadOnVariableRate173.3

us-gaap:RevolvingCreditFacility


Debt
Period End2021-03-31
Value3.75
Percentage of DebtInstrumentBasisSpreadOnVariableRate1100.0

us-gaap:SecuredDebt


Debt
Period End2020-09-302020-06-30
Value3.750.0375
Percentage of DebtInstrumentBasisSpreadOnVariableRate10.00.0

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1 us-gaap:LongtermDebtType, us-gaap:VariableRate

irdm:TermLoanBOriginal, us-gaap:InterestRateFloor


Debt
Period End2021-03-31
Value1.0
Percentage of DebtInstrumentBasisSpreadOnVariableRate126.7

irdm:TermLoanBRefinanced, us-gaap:InterestRateFloor


Debt
Period End2021-03-31
Value1.0
Percentage of DebtInstrumentBasisSpreadOnVariableRate126.7

us-gaap:SecuredDebt, us-gaap:InterestRateFloor


Debt
Period End2020-09-302020-06-30
Value1.00.01
Percentage of DebtInstrumentBasisSpreadOnVariableRate10.00.0

us-gaap:DebtInstrumentPeriodicPaymentPrincipal us-gaap:LongtermDebtType

us-gaap:DebtInstrumentPeriodicPaymentPrincipal

us-gaap:RevolvingCreditFacility


Debt
Period End2021-03-31
Value16
Percentage of DebtInstrumentPeriodicPaymentPrincipal100.0

us-gaap:DerivativeGainLossOnDerivativeNet

us-gaap:DerivativeGainLossOnDerivativeNet


Derivative
Period End2021-03-312020-12-312020-09-302020-06-302020-03-31
Value2700000.02700000.02700000.02700000.01000000.0
Percentage of DerivativeGainLossOnDerivativeNet100.0100.0100.0100.0100.0

us-gaap:EffectOfExchangeRateOnCashAndCashEquivalents

us-gaap:EffectOfExchangeRateOnCashAndCashEquivalents


Effect
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-06-302014-03-31
Value-428000.0755000.0-1009000.0333000.0-1573000.0777000.0-169000.0-445000.0-890000.07000.058000.05000.0210000.0-319000.0248000.024000.011000.0384000.093000.0107000.0-594000.0-153000.0-115000.000
Percentage of EffectOfExchangeRateOnCashAndCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount

us-gaap:EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount


Employee
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value669000.0393000.0369000.0444000.0402000.0469000.0289000.01033000.073000.0898000.0233000.0509000.0666000.0652000.0909000.0339000.0622000.0645000.0659000.0423000.00321000.0302000.0
Percentage of EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities


Increase
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value-9.4745.4352.2613.831-20.117111.224
Percentage of IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInDeferredRevenue

us-gaap:IncreaseDecreaseInDeferredRevenue


Increase
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value-6.156-5.116-3.285-6.684-6.6073.334-0.197
Percentage of IncreaseDecreaseInDeferredRevenue100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInInterestPayableNet

us-gaap:IncreaseDecreaseInInterestPayableNet


Increase
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value-0.0460.0-0.0010.0-7.071-7.403-10.28
Percentage of IncreaseDecreaseInInterestPayableNet100.00.0100.00.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherNoncurrentAssets

us-gaap:IncreaseDecreaseInOtherNoncurrentAssets


Increase
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value-967000.0-696000.0-19000.0243000.0-2769000.0-2804000.01225000.0
Percentage of IncreaseDecreaseInOtherNoncurrentAssets100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherNoncurrentLiabilities

us-gaap:IncreaseDecreaseInOtherNoncurrentLiabilities


Increase
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value-0.966-1.86-0.404-3.6222.482-0.794-0.734
Percentage of IncreaseDecreaseInOtherNoncurrentLiabilities100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets


Increase
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value0.634-2.105-0.9091.2070.688-3.087-2.28
Percentage of IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestCostsCapitalized

us-gaap:InterestCostsCapitalized


Interest
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value0.60.80.90.80.71.62.33.7
Percentage of InterestCostsCapitalized100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestCostsIncurred

us-gaap:InterestCostsIncurred


Interest
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value2323232327323535
Percentage of InterestCostsIncurred100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LineOfCreditFacilityCommitmentFeeAmount us-gaap:LongtermDebtType

us-gaap:LineOfCreditFacilityCommitmentFeeAmount

us-gaap:RevolvingCreditFacility


Line
Period End2020-09-30
Value5e-07
Percentage of LineOfCreditFacilityCommitmentFeeAmount100.0

us-gaap:OperatingLeaseLeaseIncome

us-gaap:OperatingLeaseLeaseIncome


Operating
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value5.45.2999999999999985.45.35.45.45.35.4
Percentage of OperatingLeaseLeaseIncome100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent


Other
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-760000.0969000.0-1348000.01093000.0-3986000.0749000.0-864000.01441000.0-1036000.0-1070000.0-3003000.092000.0-194000.01059000.0-1448000.02247000.0330000.0222000.01068000.01867000.0-1601000.0-2797000.022000.0-1401000.0-2221000.0-534000.0274000.0156000.033000.0-94000.0-188000.0-52000.05000.0-117000.032000.0-110000.0-375000.0140000.031000.0
Percentage of OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-06-30
Value-760000.0969000.0-1348000.0-3986000.0749000.0-864000.01441000.0
Percentage of OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsNetOfTax

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsNetOfTax


Other
Period End2021-03-31
Value3000.0
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsNetOfTax100.0

us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax

us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax


Other
Period End2021-03-312020-12-312020-03-31
Value1200000.0-700000.04200000.0
Percentage of OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax100.0100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax


Other
Period End2021-03-31
Value3000.0
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-03-31
Value3000.0
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax100.0

us-gaap:OtherOperatingActivitiesCashFlowStatement

us-gaap:OtherOperatingActivitiesCashFlowStatement


Other
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value-519000.0576000.0-45000.0657000.0-64000.0558000.0228000.0
Percentage of OtherOperatingActivitiesCashFlowStatement100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfDebtIssuanceCosts

us-gaap:PaymentsOfDebtIssuanceCosts


Payments
Period End2020-09-302020-06-302020-03-31
Value002562000.0
Percentage of PaymentsOfDebtIssuanceCosts0.00.0100.0

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation


Payments
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value4198000.0510000.0447000.0372000.03184000.0359000.0395000.0326000.0143000.0107000.01405000.060000.052000.055000.01698000.021000.020000.020000.0566000.057000.033000.0116000.0680000.0-137000.0183000.017000.020000.026000.00
Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:ProceedsFromIssuanceOfSecuredDebt

us-gaap:ProceedsFromIssuanceOfSecuredDebt


Proceeds
Period End2020-09-302020-06-302020-03-31
Value0.00.0202
Percentage of ProceedsFromIssuanceOfSecuredDebt0.00.0100.0

us-gaap:ProceedsFromStockOptionsExercised

us-gaap:ProceedsFromStockOptionsExercised


Proceeds
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value4.3944.9295.1751.4391.1723.531.1536.5852.8642.2270.7691.1081.5551.230.3420.1590.310.0630.0170.080.01.7340.340.8890.4460.1710.0020.014-0.01
Percentage of ProceedsFromStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RedemptionPremium

us-gaap:RedemptionPremium


Redemption
Period End2020-09-30
Value23
Percentage of RedemptionPremium100.0

us-gaap:RedemptionPremium us-gaap:LongtermDebtType

us-gaap:UnsecuredDebt


Redemption
Period End2021-03-31
Value23
Percentage of RedemptionPremium0.0

us-gaap:RepaymentsOfUnsecuredDebt

us-gaap:RepaymentsOfUnsecuredDebt


Repayments
Period End2020-09-302020-06-302020-03-31
Value0.00.0383
Percentage of RepaymentsOfUnsecuredDebt0.00.0100.0

us-gaap:RevenueFromRelatedParties us-gaap:Range, us-gaap:RelatedPartyTransaction, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:RevenueFromRelatedParties

srt:Maximum, irdm:HostingAgreement, us-gaap:EquityMethodInvestee


Revenue
Period End2021-03-312020-09-30
Value2000.0
Percentage of RevenueFromRelatedParties100.00.0

srt:Maximum, irdm:PowerAgreement, us-gaap:EquityMethodInvestee


Revenue
Period End2021-03-312020-09-30
Value3.70.0
Percentage of RevenueFromRelatedParties1.90.0

srt:Maximum, us-gaap:ServiceAgreements, us-gaap:EquityMethodInvestee


Revenue
Period End2021-03-312020-09-30
Value190.0
Percentage of RevenueFromRelatedParties9.90.0

srt:Minimum, irdm:HostingAgreement, us-gaap:EquityMethodInvestee


Revenue
Period End2021-03-312020-09-30
Value540.0
Percentage of RevenueFromRelatedParties27.20.0

us-gaap:RevenueFromRelatedParties us-gaap:RelatedPartyTransaction, us-gaap:RelatedPartyTransactionsByRelatedParty

irdm:HostingAgreement, us-gaap:EquityMethodInvestee


Revenue
Period End2021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302018-06-30
Value4.04.04.04.04.04.08.1
Percentage of RevenueFromRelatedParties2.00.00.00.00.00.00.0

us-gaap:ServiceAgreements, us-gaap:EquityMethodInvestee


Revenue
Period End2021-03-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value5.95.95.96.33.23.2
Percentage of RevenueFromRelatedParties3.00.00.00.00.00.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardAcceleratedVestingNumber us-gaap:TitleOfIndividual, us-gaap:AwardType

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardAcceleratedVestingNumber

srt:ExecutiveOfficer, us-gaap:PerformanceShares


Sharebased
Period End2021-03-31
Value3000.0
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardAcceleratedVestingNumber100.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage us-gaap:AwardType, us-gaap:GranteeStatus, us-gaap:Vesting

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage

us-gaap:RestrictedStockUnitsRSU, us-gaap:ShareBasedPaymentArrangementEmployee, us-gaap:ShareBasedCompensationAwardTrancheOne


Sharebased
Period End2021-03-312020-09-302019-09-30
Value25.024.7524.75
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage100.0100.0100.0

us-gaap:SharesPaidForTaxWithholdingForShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:SharesPaidForTaxWithholdingForShareBasedCompensation

us-gaap:CommonStock


Shares
Period End2021-03-312020-03-31
Value-101000.0-118000.0
Percentage of SharesPaidForTaxWithholdingForShareBasedCompensation100.0100.0

us-gaap:StockGrantedDuringPeriodValueSharebasedCompensationGross us-gaap:AwardType

us-gaap:StockGrantedDuringPeriodValueSharebasedCompensationGross

irdm:PerformanceBasedBonusRSU


Stock
Period End2021-03-312020-03-31
Value9.53.1
Percentage of StockGrantedDuringPeriodValueSharebasedCompensationGross100.0100.0

us-gaap:StockGrantedDuringPeriodValueSharebasedCompensationGross us-gaap:AwardType, us-gaap:GranteeStatus

irdm:ServiceBasedRSU, us-gaap:ShareBasedPaymentArrangementEmployee


Stock
Period End2021-03-312020-03-31
Value1817
Percentage of StockGrantedDuringPeriodValueSharebasedCompensationGross192.6551.6

us-gaap:StockGrantedDuringPeriodValueSharebasedCompensationGross us-gaap:TitleOfIndividual, us-gaap:AwardType

srt:Director, irdm:ServiceBasedRSU


Stock
Period End2021-03-31
Value1.4
Percentage of StockGrantedDuringPeriodValueSharebasedCompensationGross14.7

srt:Director, us-gaap:RestrictedStockUnitsRSU


Stock
Period End2020-09-302020-06-302020-03-312019-09-30
Value0.00.01.40.0
Percentage of StockGrantedDuringPeriodValueSharebasedCompensationGross0.00.045.20.0

srt:ExecutiveOfficer, us-gaap:PerformanceShares


Stock
Period End2021-03-312020-09-302020-06-302020-03-312019-09-30
Value4.60.00.03.90.0
Percentage of StockGrantedDuringPeriodValueSharebasedCompensationGross48.40.00.0125.80.0

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensationGross us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensationGross

us-gaap:CommonStock


Stock
Period End2021-03-312020-03-31
Value1099000.0713000.0
Percentage of StockIssuedDuringPeriodSharesShareBasedCompensationGross100.0100.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensationGross

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensationGross


Stock
Period End2021-03-312020-03-31
Value4.3941.171
Percentage of StockIssuedDuringPeriodValueShareBasedCompensationGross100.0100.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensationGross us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value4.3934.9275.1751.441.1713.5271.1556.66
Percentage of StockIssuedDuringPeriodValueShareBasedCompensationGross100.00.00.00.0100.00.00.00.0

us-gaap:CommonStock


Stock
Period End2021-03-312020-12-312020-09-302020-06-302019-12-312019-09-302019-06-30
Value0.0010.0010.00.0010.0010.00.001
Percentage of StockIssuedDuringPeriodValueShareBasedCompensationGross0.00.00.00.00.00.00.0

us-gaap:StockRepurchasedAndRetiredDuringPeriodShares us-gaap:StatementEquityComponents

us-gaap:StockRepurchasedAndRetiredDuringPeriodShares

us-gaap:CommonStock


Stock
Period End2021-03-31
Value-1578000.0
Percentage of StockRepurchasedAndRetiredDuringPeriodShares100.0

us-gaap:StockRepurchasedAndRetiredDuringPeriodValue

us-gaap:StockRepurchasedAndRetiredDuringPeriodValue


Stock
Period End2021-03-31
Value-59335000.0
Percentage of StockRepurchasedAndRetiredDuringPeriodValue100.0

us-gaap:StockRepurchasedAndRetiredDuringPeriodValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-03-31
Value-13771000.0
Percentage of StockRepurchasedAndRetiredDuringPeriodValue23.2

us-gaap:CommonStock


Stock
Period End2021-03-31
Value-2000.0
Percentage of StockRepurchasedAndRetiredDuringPeriodValue0.0

us-gaap:RetainedEarnings


Stock
Period End2021-03-31
Value-45562000.0
Percentage of StockRepurchasedAndRetiredDuringPeriodValue76.8

us-gaap:TreasuryStockRetiredCostMethodAmount

us-gaap:TreasuryStockRetiredCostMethodAmount


Treasury
Period End2021-03-31
Value59
Percentage of TreasuryStockRetiredCostMethodAmount100.0

us-gaap:UnrealizedGainLossOnCashFlowHedgingInstruments

us-gaap:UnrealizedGainLossOnCashFlowHedgingInstruments


Unrealized
Period End2021-03-312020-12-312020-09-302020-03-31
Value3843000.01972000.01794000.0-11888000.0
Percentage of UnrealizedGainLossOnCashFlowHedgingInstruments100.0100.0100.0100.0

us-gaap:UnrealizedGainLossOnCashFlowHedgingInstruments us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Unrealized
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-06-30
Value3843000.01972000.01794000.01086000.0-11888000.00
Percentage of UnrealizedGainLossOnCashFlowHedgingInstruments100.0100.0100.00.0100.00.0

us-gaap:UnrealizedGainOnForeignCurrencyDerivativesBeforeTax

us-gaap:UnrealizedGainOnForeignCurrencyDerivativesBeforeTax


Unrealized
Period End2021-03-31
Value3843000.0
Percentage of UnrealizedGainOnForeignCurrencyDerivativesBeforeTax100.0

dei:EntityCommonStockSharesOutstanding

dei:EntityCommonStockSharesOutstanding


Entity
Period End2021-04-142021-02-052020-10-14
Value133134133
Percentage of EntityCommonStockSharesOutstanding100.0100.0100.0

irdm:CreditFacilityCarryingAmount

irdm:CreditFacilityCarryingAmount


Credit
Period End2020-12-312019-12-31
Value16131423
Percentage of CreditFacilityCarryingAmount100.0100.0

irdm:DeferredTaxAssetsLongTermContracts

irdm:DeferredTaxAssetsLongTermContracts


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value6469706174644933226.489
Percentage of DeferredTaxAssetsLongTermContracts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

irdm:DeferredTaxLiabilitiesFixedAssetsAndIntangibles

irdm:DeferredTaxLiabilitiesFixedAssetsAndIntangibles


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value5775655294031201019558-58.93-82.788
Percentage of DeferredTaxLiabilitiesFixedAssetsAndIntangibles100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

irdm:ExcessCashFlowPrepayment

irdm:ExcessCashFlowPrepayment


Excess
Period End2020-12-31
Value12
Percentage of ExcessCashFlowPrepayment100.0

irdm:FixturesandEquipmentNet

irdm:FixturesandEquipmentNet


Fixturesand
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value108.983124.2411.546
Percentage of FixturesandEquipmentNet100.0100.0100.0100.0100.0

irdm:ForeignTaxCreditCarryForwardValuationAllowanceIncrease

irdm:ForeignTaxCreditCarryForwardValuationAllowanceIncrease


Foreign
Period End2020-12-31
Value1100000.0
Percentage of ForeignTaxCreditCarryForwardValuationAllowanceIncrease100.0

irdm:GroundSystemGross

irdm:GroundSystemGross


Ground
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value6466606763
Percentage of GroundSystemGross100.0100.0100.0100.0100.0

irdm:GroundSystemNet

irdm:GroundSystemNet


Ground
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value403000.093000.02116000.01350000.074000.0
Percentage of GroundSystemNet100.0100.0100.0100.0100.0

irdm:IntangibleAssetsExcludingGoodwillAccumulatedAmortization

irdm:IntangibleAssetsExcludingGoodwillAccumulatedAmortization


Intangible
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value12109.0767.4695.8685.0754.248544128
Percentage of IntangibleAssetsExcludingGoodwillAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

irdm:OtherConstructionInProcessNet

irdm:OtherConstructionInProcessNet


Other
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value5547422015
Percentage of OtherConstructionInProcessNet100.0100.0100.0100.0100.0

irdm:PropertyPlantAndEquipmentNetExcludingConstructionInProcessAndLand

irdm:PropertyPlantAndEquipmentNetExcludingConstructionInProcessAndLand


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value2628290026611093149158178203221258
Percentage of PropertyPlantAndEquipmentNetExcludingConstructionInProcessAndLand100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

irdm:RefinancingCosts

irdm:RefinancingCosts


Refinancing
Period End2021-01-20
Value3400000.0
Percentage of RefinancingCosts100.0

irdm:SatelliteSystemGross

irdm:SatelliteSystemGross


Satellite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value3197319727661199314
Percentage of SatelliteSystemGross100.0100.0100.0100.0100.0

irdm:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingNumber us-gaap:AwardType

irdm:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingNumber

irdm:OutstandingRestrictedStockUnits


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value2664000.02702000.03077000.03548000.03323000.01944000.02282000.01306000.01007000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingNumber100.0100.0100.0100.0100.0100.0100.0100.0100.0

irdm:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageGrantDateFairValue us-gaap:AwardType

irdm:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageGrantDateFairValue

irdm:OutstandingRestrictedStockUnits


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value18.9614.6210.138.57.47.766.86.767.6
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0

irdm:TotalAuthorizedPreferredStockNumber

irdm:TotalAuthorizedPreferredStockNumber


Total
Period End2020-12-31
Value2000000.0
Percentage of TotalAuthorizedPreferredStockNumber100.0

irdm:UnamortizedDeferredFinancingCosts

irdm:UnamortizedDeferredFinancingCosts


Unamortized
Period End2020-12-312019-12-31
Value2426
Percentage of UnamortizedDeferredFinancingCosts100.0100.0

us-gaap:AccountsReceivableRelatedParties us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:AccountsReceivableRelatedParties

us-gaap:EquityMethodInvestee


Accounts
Period End2020-12-312019-12-312018-12-312017-12-31
Value2300000.01400000.01000000.0600000.0
Percentage of AccountsReceivableRelatedParties100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis


Available
Period End2021-03-312020-12-31
Value7500000.07600000.0
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCostBasis

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCostBasis


Available
Period End2021-03-312020-12-312015-03-312014-12-31
Value5.4695.53200177
Percentage of AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCostBasis100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue


Available
Period End2021-03-312020-12-312015-03-312014-12-31
Value5.4665.525200177
Percentage of AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCostBasis

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCostBasis


Available
Period End2021-03-312020-12-31
Value2015000.02024000.0
Percentage of AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCostBasis100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue


Available
Period End2021-03-312020-12-31
Value2015000.02023000.0
Percentage of AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue100.0100.0

us-gaap:BuildingsAndImprovementsGross

us-gaap:BuildingsAndImprovementsGross


Buildings
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value2931303232
Percentage of BuildingsAndImprovementsGross100.0100.0100.0100.0100.0

us-gaap:CapitalizedComputerSoftwareGross

us-gaap:CapitalizedComputerSoftwareGross


Capitalized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value251241215191127
Percentage of CapitalizedComputerSoftwareGross100.0100.0100.0100.0100.0

us-gaap:CapitalizedComputerSoftwareNet

us-gaap:CapitalizedComputerSoftwareNet


Capitalized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value4438271414
Percentage of CapitalizedComputerSoftwareNet100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerAssetNet us-gaap:CapitalizedContractCost

us-gaap:ContractWithCustomerAssetNet

irdm:Commissions


Contract
Period End2021-03-312020-12-312020-09-302020-06-302019-12-312018-09-302018-06-302018-03-312017-12-31
Value905000.0993000.0820000.0926000.01116000.01019000.01096000.01126000.01555000.0
Percentage of ContractWithCustomerAssetNet100.0100.0100.0100.0100.0100.0100.0100.0100.0

irdm:OtherContractAssets


Contract
Period End2021-03-312020-12-312020-09-302020-06-302019-12-312018-09-302018-06-302018-03-312017-12-31
Value2784000.02860000.02946000.03078000.03231000.03701000.03862000.03883000.03753000.0
Percentage of ContractWithCustomerAssetNet307.6288.0359.3332.4289.5363.2352.4344.8241.4

us-gaap:DebtInstrumentCarryingAmount

us-gaap:DebtInstrumentCarryingAmount


Debt
Period End2020-12-31
Value1637
Percentage of DebtInstrumentCarryingAmount100.0

us-gaap:DebtInstrumentCarryingAmount us-gaap:LongtermDebtType

irdm:TermLoanBOriginal


Debt
Period End2020-12-312019-11-04
Value16371450
Percentage of DebtInstrumentCarryingAmount100.00.0

irdm:TermLoanBRefinanced


Debt
Period End2021-03-31
Value1633
Percentage of DebtInstrumentCarryingAmount0.0

us-gaap:SecuredDebt


Debt
Period End2020-09-302020-06-302020-02-072019-11-04
Value164116452001450
Percentage of DebtInstrumentCarryingAmount0.00.00.00.0

us-gaap:DebtInstrumentFaceAmount us-gaap:LongtermDebtType

us-gaap:DebtInstrumentFaceAmount

irdm:RefinancedTermLoanB


Debt
Period End2021-01-20
Value1637
Percentage of DebtInstrumentFaceAmount100.0

us-gaap:SecuredDebt


Debt
Period End2020-09-302020-06-302019-11-04
Value164116451450
Percentage of DebtInstrumentFaceAmount0.00.00.0

us-gaap:DebtInstrumentUnamortizedDiscount

us-gaap:DebtInstrumentUnamortizedDiscount


Debt
Period End2020-12-31
Value23
Percentage of DebtInstrumentUnamortizedDiscount100.0

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet


Debt
Period End2021-03-312020-12-31
Value2324
Percentage of DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet100.0100.0

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet us-gaap:LongtermDebtType

us-gaap:SecuredDebt


Debt
Period End2020-09-302020-06-30
Value2425
Percentage of DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet0.00.0

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredIncomeTaxAssetsNet


Deferred
Period End2020-12-31
Value3900000.0
Percentage of DeferredIncomeTaxAssetsNet100.0

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredIncomeTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value636633595433527494440380-316.066-240.144
Percentage of DeferredIncomeTaxLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredRevenueCurrent

us-gaap:DeferredRevenueCurrent


Deferred
Period End2021-03-312020-12-312020-09-302020-06-302019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-312015-12-312015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value273236383937212119384036343437363638363638404144444241383635343328
Percentage of DeferredRevenueCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredRevenueNoncurrent

us-gaap:DeferredRevenueNoncurrent


Deferred
Period End2021-03-312020-12-312020-09-302020-06-302019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-312015-12-312015-06-302015-03-312014-12-31
Value5051525467746158544743373736322828202020
Percentage of DeferredRevenueNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsGross


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value517475368191168202213192171123
Percentage of DeferredTaxAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsInProcessResearchAndDevelopment

us-gaap:DeferredTaxAssetsInProcessResearchAndDevelopment


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value10000000.09500000.08400000.06100000.05000000.0
Percentage of DeferredTaxAssetsInProcessResearchAndDevelopment100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value4303822771076010413313312294
Percentage of DeferredTaxAssetsOperatingLossCarryforwards100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsOther


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value22242022272424211917
Percentage of DeferredTaxAssetsOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsForeign

us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsForeign


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value5700000.05200000.05200000.04700000.03500000.0
Percentage of DeferredTaxAssetsTaxCreditCarryforwardsForeign100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesInvestments

us-gaap:DeferredTaxLiabilitiesInvestments


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value5260572714
Percentage of DeferredTaxLiabilitiesInvestments100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesOther


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value6.2837.0958.3572.27613148.7533.457-2.824-2.937
Percentage of DeferredTaxLiabilitiesOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized us-gaap:AwardType

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

us-gaap:EmployeeStockOption


Employee
Period End2020-12-312018-12-312017-12-31
Value1.52.92.2
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized100.0100.0100.0

us-gaap:RestrictedStockUnitsRSU


Employee
Period End2020-12-312018-12-312017-12-312016-12-31
Value179.58.35.9
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized1186.7327.6377.30.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312011-09-302011-06-302010-12-31
Value12109.0767.4695.8685.0754.248544128252115
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization us-gaap:FiniteLivedIntangibleAssetsByMajorClass

irdm:AssembledWorkforce


Finite
Period End2020-12-312019-12-312018-12-312017-12-31
Value3.2442.4331.6220.812
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization26.522.817.910.9

us-gaap:IntellectualProperty


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value8.9278.2177.4346.6515.8685.0754.2483.2532.258
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization73.076.981.989.0100.0100.0100.06.05.4

us-gaap:Patents


Finite
Period End2020-12-312019-12-312018-12-312017-12-31
Value0.0630.0390.020.006
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization0.50.40.20.1

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive


Finite
Period End2020-12-31
Value4161000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths


Finite
Period End2020-12-31
Value1548000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive


Finite
Period End2020-12-31
Value737000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFive100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour


Finite
Period End2020-12-31
Value737000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFour100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree


Finite
Period End2020-12-31
Value1548000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearThree100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo


Finite
Period End2020-12-31
Value1548000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo100.0

us-gaap:FiniteLivedIntangibleAssetsGross

us-gaap:FiniteLivedIntangibleAssetsGross


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value22222222161616767676
Percentage of FiniteLivedIntangibleAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsGross us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:Patents


Finite
Period End2020-12-312019-12-312018-12-312017-12-31
Value0.3960.3240.2740.146
Percentage of FiniteLivedIntangibleAssetsGross1.81.41.20.7

us-gaap:FixturesAndEquipmentGross

us-gaap:FixturesAndEquipmentGross


Fixtures
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value4445423534
Percentage of FixturesAndEquipmentGross100.0100.0100.0100.0100.0

us-gaap:IntangibleAssetsGrossExcludingGoodwill

us-gaap:IntangibleAssetsGrossExcludingGoodwill


Intangible
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value57575757515151111111
Percentage of IntangibleAssetsGrossExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestPayableCurrent

us-gaap:InterestPayableCurrent


Interest
Period End2020-12-312020-09-302020-06-302019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value0.2460.2460.2477.792963313715361435149.9549.243.728.44110249.589218.7067.989166.6025.359114.3977.8825.8384.062
Percentage of InterestPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestPayableCurrentAndNoncurrent

us-gaap:InterestPayableCurrentAndNoncurrent


Interest
Period End2020-12-312020-09-302020-06-302019-12-312018-12-312017-12-312016-12-312016-09-302015-12-312015-09-302014-12-31
Value0.20.20.27.82915143312279.589
Percentage of InterestPayableCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestRateCashFlowHedgeAssetAtFairValue us-gaap:DerivativeInstrumentRisk

us-gaap:InterestRateCashFlowHedgeAssetAtFairValue

us-gaap:InterestRateSwap


Interest
Period End2020-12-312019-12-31
Value5200000.0800000.0
Percentage of InterestRateCashFlowHedgeAssetAtFairValue100.0100.0

us-gaap:InterestRateCashFlowHedgeLiabilityAtFairValue us-gaap:DerivativeInstrumentRisk

us-gaap:InterestRateCashFlowHedgeLiabilityAtFairValue

us-gaap:InterestRateSwap


Interest
Period End2021-03-312020-12-312020-09-302020-06-30
Value3800000.05200000.06700000.08000000.0
Percentage of InterestRateCashFlowHedgeLiabilityAtFairValue100.0100.0100.0100.0

us-gaap:InterestRateSwaption


Interest
Period End2021-03-312020-12-312020-09-302020-06-302019-12-31
Value800000.04400000.05700000.06700000.0900000.0
Percentage of InterestRateCashFlowHedgeLiabilityAtFairValue21.184.685.183.80.0

us-gaap:LessorOperatingLeasePaymentsToBeReceived

us-gaap:LessorOperatingLeasePaymentsToBeReceived


Lessor
Period End2021-03-312020-12-312020-09-30
Value200206211
Percentage of LessorOperatingLeasePaymentsToBeReceived100.0100.0100.0

us-gaap:LessorOperatingLeasePaymentsToBeReceivedRemainderOfFiscalYear

us-gaap:LessorOperatingLeasePaymentsToBeReceivedRemainderOfFiscalYear


Lessor
Period End2021-03-312020-12-312020-09-30
Value16215.361
Percentage of LessorOperatingLeasePaymentsToBeReceivedRemainderOfFiscalYear100.0100.0100.0

us-gaap:LessorOperatingLeasePaymentsToBeReceivedThereafter

us-gaap:LessorOperatingLeasePaymentsToBeReceivedThereafter


Lessor
Period End2021-03-312020-12-312020-09-30
Value9898120
Percentage of LessorOperatingLeasePaymentsToBeReceivedThereafter100.0100.0100.0

us-gaap:LinesOfCreditCurrent

us-gaap:LinesOfCreditCurrent


Lines
Period End2021-03-312020-12-312020-09-302020-06-302019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value161616161012618010872850.0
Percentage of LinesOfCreditCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:LongTermDebtFairValue

us-gaap:LongTermDebtFairValue


Long
Period End2021-03-312020-12-312019-12-31
Value163816471468
Percentage of LongTermDebtFairValue100.0100.0100.0

us-gaap:LongTermDebtFairValue us-gaap:LongtermDebtType

us-gaap:SecuredDebt


Long
Period End2020-09-30
Value1642
Percentage of LongTermDebtFairValue0.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive


Long
Period End2020-12-31
Value1555
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths


Long
Period End2020-12-31
Value16
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive


Long
Period End2020-12-31
Value16
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour


Long
Period End2020-12-31
Value16
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree


Long
Period End2020-12-31
Value16
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo


Long
Period End2020-12-31
Value16
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo100.0

us-gaap:LongTermLineOfCredit

us-gaap:LongTermLineOfCredit


Long
Period End2021-03-312020-12-312020-09-302020-06-302019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-312015-12-312015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value15931596160016031412147815051571162716181695168816841657154614601521139313131291108910841039936853751588567441417325265135
Percentage of LongTermLineOfCredit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MarketableSecurities

us-gaap:MarketableSecurities


Marketable
Period End2021-03-312020-12-312014-09-302014-06-302013-12-312013-09-302013-06-302012-12-31
Value7.4817.5482151647673780.0
Percentage of MarketableSecurities100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:MoneyMarketFundsAtCarryingValue us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:MoneyMarketFundsAtCarryingValue

us-gaap:FairValueInputsLevel2


Money
Period End2021-03-312020-12-312020-09-302020-06-302019-12-312018-12-312017-12-31
Value201208161100209252251
Percentage of MoneyMarketFundsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent


Operating
Period End2020-12-31
Value6.7
Percentage of OperatingLeaseWeightedAverageDiscountRatePercent100.0

us-gaap:OperatingLeasesFutureMinimumPaymentsDue

us-gaap:OperatingLeasesFutureMinimumPaymentsDue


Operating
Period End2020-12-31
Value34
Percentage of OperatingLeasesFutureMinimumPaymentsDue100.0

us-gaap:OperatingLeasesFutureMinimumPaymentsDueCurrent

us-gaap:OperatingLeasesFutureMinimumPaymentsDueCurrent


Operating
Period End2020-12-31
Value5700000.0
Percentage of OperatingLeasesFutureMinimumPaymentsDueCurrent100.0

us-gaap:OperatingLeasesFutureMinimumPaymentsDueInFiveYears

us-gaap:OperatingLeasesFutureMinimumPaymentsDueInFiveYears


Operating
Period End2020-12-31
Value5088000.0
Percentage of OperatingLeasesFutureMinimumPaymentsDueInFiveYears100.0

us-gaap:OperatingLeasesFutureMinimumPaymentsDueInFourYears

us-gaap:OperatingLeasesFutureMinimumPaymentsDueInFourYears


Operating
Period End2020-12-31
Value4970000.0
Percentage of OperatingLeasesFutureMinimumPaymentsDueInFourYears100.0

us-gaap:OperatingLeasesFutureMinimumPaymentsDueInThreeYears

us-gaap:OperatingLeasesFutureMinimumPaymentsDueInThreeYears


Operating
Period End2020-12-31
Value4974000.0
Percentage of OperatingLeasesFutureMinimumPaymentsDueInThreeYears100.0

us-gaap:OperatingLeasesFutureMinimumPaymentsDueInTwoYears

us-gaap:OperatingLeasesFutureMinimumPaymentsDueInTwoYears


Operating
Period End2020-12-31
Value5145000.0
Percentage of OperatingLeasesFutureMinimumPaymentsDueInTwoYears100.0

us-gaap:OperatingLeasesFutureMinimumPaymentsDueThereafter

us-gaap:OperatingLeasesFutureMinimumPaymentsDueThereafter


Operating
Period End2020-12-31
Value8209000.0
Percentage of OperatingLeasesFutureMinimumPaymentsDueThereafter100.0

us-gaap:OperatingLossCarryforwards us-gaap:IncomeTaxAuthority

us-gaap:OperatingLossCarryforwards

us-gaap:DomesticCountry


Operating
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312013-12-312012-12-31
Value31928021980126245333310
Percentage of OperatingLossCarryforwards100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignCountry


Operating
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312013-12-312012-12-31
Value695436105.90.30.70.7
Percentage of OperatingLossCarryforwards21.819.416.713.54.70.10.20.2

us-gaap:OperatingLossCarryforwards us-gaap:IncomeTaxAuthority, us-gaap:TaxPeriod

us-gaap:ForeignCountry, irdm:TaxYear2022andLater


Operating
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value0.70.90.91.31.2
Percentage of OperatingLossCarryforwards0.20.30.41.60.9

us-gaap:OtherCashEquivalentsAtCarryingValue us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:OtherCashEquivalentsAtCarryingValue

us-gaap:FairValueInputsLevel2


Other
Period End2020-12-31
Value2005000.0
Percentage of OtherCashEquivalentsAtCarryingValue100.0

us-gaap:RelatedPartyTransactionDueFromToRelatedParty us-gaap:RelatedPartyTransaction, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:RelatedPartyTransactionDueFromToRelatedParty

us-gaap:ServiceOther, us-gaap:EquityMethodInvestee


Related
Period End2021-03-312020-12-312020-09-302019-12-31
Value2300000.02300000.02300000.01400000.0
Percentage of RelatedPartyTransactionDueFromToRelatedParty100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber


Share
Period End2020-12-31
Value2330000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice


Share
Period End2020-12-31
Value8.31
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value77655726123.937
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue


Share
Period End2020-12-31
Value77
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber


Share
Period End2020-12-312017-12-31
Value2550000.06842000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice


Share
Period End2020-12-31
Value9.09
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice100.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1


Sharebased
Period End2020-12-31
Value72
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1100.0

us-gaap:StockRepurchaseProgramAuthorizedAmount1

us-gaap:StockRepurchaseProgramAuthorizedAmount1


Stock
Period End2021-02-05
Value300
Percentage of StockRepurchaseProgramAuthorizedAmount1100.0

us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1

us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1


Stock
Period End2021-03-31
Value240
Percentage of StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1100.0

Line plots across dimensions of each concept


us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities
(None,)
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amountus-gaap: Antidilutive Securities Excluded From Computation Of Earnings Per Share By Antidilutive Securities
COGS Ratio
us-gaap:ProductOrService
(None,)
C O G S  Ratious-gaap: Product Or Service
TTM Greenblatt ROC
_
(None,)
T T M  Greenblatt  R O C_
us-gaap:CostOfGoodsAndServicesSold
us-gaap:ProductOrService
(None,)
Cost Of Goods And Services Soldus-gaap: Product Or Service
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ProductOrService
(None,)
Revenue From Contract With Customer Excluding Assessed Taxus-gaap: Product Or Service
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
Stockholders Equityus-gaap: Statement Equity Components
us-gaap:PropertyPlantAndEquipmentNet
us-gaap:StatementGeographical
(None,)
Property Plant And Equipment Netus-gaap: Statement Geographical
us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
(None,)
Finite Lived Intangible Assets Netus-gaap: Finite Lived Intangible Assets By Major Class
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
Stockholders Equityus-gaap: Statement Equity Components