ALLE


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

Table of contents



us-gaap:CommonStockValue

us-gaap:PreferredStockParOrStatedValuePerShare
us-gaap:StatementEquityComponents
us-gaap:SharesOutstanding

us-gaap:PreferredStockSharesAuthorized

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:AwardType

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:CostOfGoodsAndServicesSold

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeTaxExpenseBenefit

us-gaap:InterestExpense

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

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

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:ProfitLoss
us-gaap:StatementEquityComponents

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

us-gaap:Revenues

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:Assets
us-gaap:ConsolidationItems
us-gaap:StatementBusinessSegments

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:ReceivablesNetCurrent

us-gaap:InventoryNet

us-gaap:InventoryFinishedGoods

us-gaap:OtherAssetsCurrent

us-gaap:NoncurrentAssets
us-gaap:StatementGeographical

us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AmortizationOfIntangibleAssets

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:Goodwill
us-gaap:StatementBusinessSegments
us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass
us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:OperatingLeaseRightOfUseAsset
alle:Alle_LeaseArrangementTypeAxis

us-gaap:OtherAssetsNoncurrent
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:AccountsPayableCurrent

us-gaap:AccruedLiabilitiesCurrent

us-gaap:DebtCurrent

us-gaap:LiabilitiesCurrent

us-gaap:OperatingLeaseLiabilityCurrent
alle:Alle_LeaseArrangementTypeAxis
us-gaap:BalanceSheetLocation
us-gaap:FairValueByLiabilityClass
us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:TaxesPayableCurrent

us-gaap:LongTermDebtNoncurrent

us-gaap:DebtAndCapitalLeaseObligations

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:MinorityInterest

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent
alle:Alle_LeaseArrangementTypeAxis
us-gaap:BalanceSheetLocation

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo
alle:Alle_LeaseArrangementTypeAxis

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree
alle:Alle_LeaseArrangementTypeAxis

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour
alle:Alle_LeaseArrangementTypeAxis

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive
alle:Alle_LeaseArrangementTypeAxis

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive
alle:Alle_LeaseArrangementTypeAxis

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue
alle:Alle_LeaseArrangementTypeAxis

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:MinorityInterest

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss

us-gaap:ProfitLoss
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquireProductiveAssets

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:RepaymentsOfLongTermDebt

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock
us-gaap:StatementEquityComponents
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentInterestRateStatedPercentage

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

us-gaap:DeferredTaxAssetsNet

us-gaap:UnrecognizedTaxBenefits

us-gaap:DeferredTaxAssetsValuationAllowance

alle:MiscellaneousOtherNonoperatingIncomeExpense
us-gaap:AwardType
alle:PSUswithamaximumawardlevelgranted

us-gaap:AllocatedShareBasedCompensationExpenseNetOfTax

us-gaap:AssetImpairmentCharges
us-gaap:SubsequentEventType
us-gaap:CommonStockDividendsPerShareDeclared
us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanAdministrationExpenses
us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses
us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit
us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets
us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanInterestCost
us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost
us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanServiceCost

us-gaap:DepreciationAmortizationAndAccretionNet

us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation

us-gaap:DisposalGroupNotDiscontinuedOperationLossGainOnWriteDown

us-gaap:DividendsCommonStockCash
us-gaap:StatementEquityComponents

us-gaap:EffectOfExchangeRateOnCashAndCashEquivalents
us-gaap:Range
us-gaap:EffectOnFutureCashFlowsAmount

us-gaap:EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense

us-gaap:EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions

us-gaap:EnvironmentalRemediationExpense

us-gaap:ForeignCurrencyTransactionGainLossBeforeTax

us-gaap:GoodwillForeignCurrencyTranslationGainLoss
us-gaap:StatementBusinessSegments

us-gaap:GoodwillImpairmentLoss
us-gaap:StatementBusinessSegments

us-gaap:GoodwillPeriodIncreaseDecrease
us-gaap:StatementBusinessSegments

us-gaap:ImpairmentOfIntangibleAssetsExcludingGoodwill

us-gaap:IncomeLossFromEquityMethodInvestments

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:InvestmentIncomeInterest

us-gaap:LeaseAndRentalExpense

us-gaap:NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent

us-gaap:OperatingLeasePayments
alle:Alle_LeaseArrangementTypeAxis

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax

us-gaap:OtherComprehensiveIncomeLossTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax
us-gaap:DerivativeInstrumentRisk

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsForRestructuring

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromRepaymentsOfDebt

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax
us-gaap:StatementEquityComponents
us-gaap:IncomeStatementLocation, us-gaap:RestructuringCostAndReserve
us-gaap:RestructuringAndRelatedCostIncurredCost
us-gaap:RestructuringCostAndReserve
us-gaap:RestructuringCostAndReserve, us-gaap:StatementBusinessSegments

us-gaap:RestructuringCharges

us-gaap:RestructuringReserveTranslationAdjustment

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
alle:Alle_LeaseArrangementTypeAxis

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

us-gaap:ShortTermLeasePayments

us-gaap:StandardProductWarrantyAccrualForeignCurrencyTranslationGainLoss

us-gaap:StandardProductWarrantyAccrualPayments

us-gaap:StandardProductWarrantyAccrualPreexistingIncreaseDecrease

us-gaap:StandardProductWarrantyAccrualWarrantiesIssued
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensationGross
us-gaap:StatementEquityComponents
us-gaap:StockholdersEquityOther
us-gaap:StatementEquityComponents
us-gaap:TreasuryStockSharesAcquired

alle:AlleDeferredcompensationandotherretirementplans
us-gaap:FairValueByFairValueHierarchyLevel

alle:Alle_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour
alle:Alle_LeaseArrangementTypeAxis

alle:DebtAndEquityInvestmentsWithoutReadilyDeterminableFairValues

alle:DeferredTaxAssetFixedAssetAndIntangibles

alle:DeferredTaxAssetInventoryAndAccountReceivable

alle:DeferredTaxAssetsLeasingArrangements

alle:DeferredTaxLiabilityFixedAssetAndIntangibles

alle:DeferredTaxLiabilityPostemploymentandOtherBenefitLiability

alle:IntangibleAssetsExcludingGoodwillGross

alle:LiabilitiesNotCarriedAtFairValueFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel

alle:PercentOfOurProjectedBenefitObligationRelatesToPlansThatAreNotFunded
us-gaap:RetirementPlanType
alle:ProjectedPensionExpense

dei:EntityCommonStockSharesOutstanding

us-gaap:AccountsNotesAndLoansReceivableNetCurrent

us-gaap:AccrualForEnvironmentalLossContingencies
us-gaap:StatementOperatingActivitiesSegment
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:AccruedEmployeeBenefitsCurrentAndNoncurrent

us-gaap:AccruedEnvironmentalLossContingenciesCurrent

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent
us-gaap:DerivativeInstrumentRisk
us-gaap:AociLossCashFlowHedgeCumulativeGainLossAfterTax

us-gaap:AssetsFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent

us-gaap:BusinessAcquisitionCostOfAcquiredEntityTransactionCosts

us-gaap:DebtInstrumentCarryingAmount

us-gaap:DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible

us-gaap:DeferredCompensationLiabilityCurrentAndNoncurrent
us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards
us-gaap:IncomeTaxAuthority
us-gaap:IncomeTaxAuthority
us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal

us-gaap:DeferredTaxAssetsOther
us-gaap:IncomeTaxAuthority
us-gaap:DeferredTaxAssetsTaxCreditCarryforwards
us-gaap:IncomeTaxAuthority
us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsForeign

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther

us-gaap:DeferredTaxLiabilitiesLeasingArrangements

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesUndistributedForeignEarnings
us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation
us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanBenefitObligation
us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter
us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths
us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive
us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour
us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree
us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear

us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsRemainderOfFiscalYear
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanFundedStatusOfPlan
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation

us-gaap:DerivativeFairValueOfDerivativeAsset
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:HedgingDesignation

us-gaap:DerivativeFairValueOfDerivativeLiability
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:HedgingDesignation
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeNotionalAmount

us-gaap:EmployeeRelatedLiabilitiesCurrent
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

us-gaap:EquityMethodInvestments

us-gaap:EquitySecuritiesWithoutReadilyDeterminableFairValueAmount

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsGross
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:HedgingDesignation
us-gaap:ForeignCurrencyCashFlowHedgeAssetAtFairValue
us-gaap:DerivativeInstrumentRisk
us-gaap:ForeignCurrencyCashFlowHedgeGainLossToBeReclassifiedDuringNext12Months
us-gaap:HedgingDesignation
us-gaap:ForeignCurrencyCashFlowHedgeLiabilityAtFairValue

us-gaap:ForeignCurrencyContractsLiabilityFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:HedgingDesignation
us-gaap:ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue
us-gaap:HedgingDesignation
us-gaap:ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue

us-gaap:GoodwillGross
us-gaap:StatementBusinessSegments

us-gaap:GoodwillImpairedAccumulatedImpairmentLoss
us-gaap:StatementBusinessSegments

us-gaap:IncomeTaxesReceivable

us-gaap:IntangibleAssetsGrossExcludingGoodwill

us-gaap:InventoryFinishedGoodsNetOfReserves

us-gaap:InventoryRawMaterials

us-gaap:InventoryRawMaterialsNetOfReserves

us-gaap:InventoryWorkInProcess

us-gaap:InventoryWorkInProcessNetOfReserves

us-gaap:InvestmentsFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel
alle:Alle_LeaseArrangementTypeAxis
us-gaap:LesseeOperatingLeaseDiscountRate

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths
alle:Alle_LeaseArrangementTypeAxis

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear
alle:Alle_LeaseArrangementTypeAxis
us-gaap:DebtInstrument
us-gaap:LettersOfCreditOutstandingAmount

us-gaap:LiabilitiesFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:LongTermDebtFairValue
us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
us-gaap:DebtInstrument
us-gaap:OtherLongTermDebt
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesCurrentAndNoncurrent

us-gaap:PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesNoncurrent

us-gaap:PostemploymentBenefitsLiabilityCurrentAndNoncurrent

us-gaap:RestrictedCashCurrent
alle:FiscalYear, us-gaap:Range
us-gaap:RestructuringAndRelatedCostExpectedCost1
us-gaap:Range

us-gaap:RestructuringReserveCurrent
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions
us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRange

us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRange
us-gaap:AwardType
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1

us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1
us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRange

us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1
us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRange

us-gaap:StandardProductWarrantyAccrual

us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1

us-gaap:UnamortizedDebtIssuanceExpense

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:UnsecuredDebt
us-gaap:ValuationAllowancesAndReservesType
us-gaap:ValuationAllowancesAndReservesBalance

Plots across concepts


IncomeStatement
Other Comprehensive Income Loss Net Of Tax
Expenses
Other Nonoperating Income Expense
Balance Sheet
Operating Lease Liability Noncurrent
Assets
Operating Lease Right Of Use Asset
Current Assets
Other Assets Current
NonCurrent Assets
Operating Lease Right Of Use Asset
PropertyPlantAndEquipmentNet
Property Plant And Equipment Net
Liabilities
Liabilities Current
Current Liabilities
Debt Current
Noncurrent Liabilities
Minority Interest
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
Shares
Weighted Average Number Of Shares Outstanding Basic
DividendsAndRepurchase
Dividends Common Stock Cash
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Payments Due Year Four
FiniteLivedIntangibleAssets
Finite Lived Intangible Assets Accumulated Amortization
InventoryNet
Inventory Work In Process Net Of Reserves
AccountsReceivable
Allowance For Doubtful Accounts Receivable Current

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
us-gaap:CommonStockValue ▁▁▁▁▁▁▁▁▁▁▁█▁▁██▁██████████████0.90.90.90.90.90.90.90.90.90.90.91.00.90.91.01.00.91.01.01.01.01.01.01.01.01.01.01.01.01.01.0NANANA
us-gaap:PreferredStockParOrStatedValuePerShare NANA1e-09NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:SharesOutstanding us-gaap:StatementEquityComponents us-gaap:CommonStock▁▁▃▅▅▅▅▆▆▇█89.890.091.292.392.292.292.793.093.594.194.6NANANA95.1NANANANANANANANANANANANANANANANANANANA
us-gaap:PreferredStockSharesAuthorized NANA10.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding ▁█90.691.2NA92.792.793.3NA94.094.595.1NA95.895.695.8NA95.895.996.1NA96.996.896.9NA95.996.796.9NA96.997.397.4NA96.096.096.0
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic ▁█90.090.7NA92.392.392.7NA93.393.894.5NA95.195.095.1NA95.095.295.3NA96.095.895.9NA95.995.895.9NA95.996.396.3NA96.096.096.0
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount NA0.1NANANANANANANANANANANANANANANANANANANANANA1.0NANANANANANANANANANA
us-gaap:EarningsPerShareBasic ▇▇▆█▆▃▆▇▇▆▇▇▇▆▄▆▇▅▆▃▆▅▆▃▅▅▄▅▅▄▄▁▅▅1.321.191.021.590.80.00.87000000000000011.411.170.851.41.221.20.760.100000000000000090.951.110.720.780.020.990.60.7400000000000001-0.280.670.470.37000000000000010.630.450.370.11000000000000001-0.810.630.41
us-gaap:EarningsPerShareDiluted ▇▇▆█▆▃▆▇▇▆▇▇▇▆▄▆▇▅▆▃▆▅▆▃▅▅▄▅▅▄▄▁▅▅1.311.181.01000000000000021.580.80.00.85999999999999991.41.160.841.39000000000000011.211.190.750.100000000000000090.941.10.710.76999999999999980.020.980.60.7400000000000001-0.280.660.470.37000000000000010.620.450.370.11000000000000001-0.810.630.41
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
 Operating Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,alle:AllegionAmericas█▁549.4498.9NANA444.3512.1NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,alle:AllegionInternational█▁197.5195.4NANA145.2162.6NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
 TTM Greenblatt ROC _ _▇▆▅█▄▁▇█▇▅▇▇▇▅▆▆▆▅▄▆▆▄▄▅▄▃▃▅▄▃▄145.4131.3117.7160.496.528.9143.3168.1145.7108.0141.4142.3143.498.7129.2126.1134.198.897.2121.5124.382.581.5110.495.771.063.6105.689.766.892.7NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
us-gaap:AllocatedShareBasedCompensationExpense ▅█▅▅▃▆▄▃▄█▁▄▄▅▃▃▄▅▂▄▃▄▄▂▃▃▃▂▃▃▂▁▂▁6.310.16.06.03.87.45.23.64.710.11.45.35.56.63.84.44.66.13.25.04.44.84.62.83.44.03.83.23.53.52.81.72.11.8
us-gaap:ComprehensiveIncomeNetOfTax ▇▆▇█▆▃▇▆▇▅▆▆▅▆▅▇█▆▅▄▆▆▄▃▆▄▄▅▅▄▃▁▆▄129.176.0143.0171.194.1-32.4135.191.7115.064.9107.1103.964.798.345.6111.9152.481.227.316.069.484.314.2-28.869.415.017.234.849.322.4-29.6-117.570.220.2
us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest ▄▄0.20.2NA0.30.2-0.50.9-0.9-0.50.72.5-0.6-2.21.20.80.80.70.5-0.70.2-0.42.60.0-0.31.1-1.7-13.45.73.41.0-1.510.32.52.0
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest ▇▆▇█▆▃▇▆▇▅▆▆▅▆▅▇█▆▄▄▅▆▄▃▅▄▄▅▅▄▃▁▆▄129.376.2143.5171.494.3-32.9136.090.8114.565.6109.6103.362.599.546.4112.7153.181.726.616.269.086.914.2-29.170.513.33.840.552.723.4-31.1-107.272.722.2
us-gaap:CostOfGoodsAndServicesSold █▇▇▇▄▆▇▇▇▆▇▇▇▅▄▄▄▃▄▃▃▂▃▂▂▁▆▃▃▁▃▂▃▂426.4396.9407.4409.2342.9381.6400.3412.8410.5378.1401.9402.1399.1355.3348.2335.5346.0308.0331.6317.6317.5286.0325.2304.5297.7271.6374.0310.6305.2280.6325.1290.6310.2287.2
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest ▇▇▆█▅▂▆█▇▆▇▇▇▅▅▆▇▅▅▃▆▅▅▂▅▄▃▆▅▄▅▁▆▄136.2122.5105.79999999999997159.787.912.097.7150.5131.695.4127.2130.2131.686.278.2112.0123.282.382.521.1116.475.075.8-6.884.056.340.494.978.253.983.6-22.1100.360.9
us-gaap:IncomeTaxExpenseBenefit ▃▃▃▃▃▃▃▃▃▃▁▃▃▃▇▃▃▃▂▃▃▃▂▃▃▃▃▄▄▃█▆▅▃17.414.312.412.814.211.517.018.822.215.1-5.714.117.613.866.121.917.413.67.519.121.016.23.819.419.012.417.627.223.116.372.645.537.019.7
us-gaap:InterestExpense ▃▂▂▃▃▃▃▃▃▃▃▃▃▃█▃▃▃▃▃▃▃▃▃▂▂▃▃▃▃▂▁▁▁12.412.312.312.913.012.913.315.613.413.713.714.013.412.956.017.816.115.915.915.616.516.316.313.711.311.615.512.712.513.18.80.50.50.4
us-gaap:NetIncomeLoss ▇▇▆█▆▃▆█▇▆█▇▇▆▄▆▇▆▆▃▆▅▆▃▅▅▅▅▅▅▄▁▅▅118.7108.093.3146.973.70.480.7131.6109.380.2132.8116.0113.972.29.689.8105.568.474.81.695.057.771.9-27.363.945.435.860.343.535.610.7-78.160.339.4
us-gaap:NetIncomeLossAttributableToNoncontrollingInterest ▅▅▅▅▅▅▅▅▅▅▅▅▅▅▆▅▅▅▅▅▅▅▅▅▅▄▁▇▆▆▅█▆▅0.10.20.10.00.00.10.00.10.10.10.10.10.10.22.50.30.30.30.20.40.41.10.10.91.1-1.7-13.25.33.51.8-1.410.12.21.6
us-gaap:OperatingIncomeLoss ▇▇▆█▅▃▇█▇▆▇▇▇▅▇▆▇▅▅▆▆▅▅▆▅▄▄▆▅▄▅▁▅▄145.4131.3117.7160.496.528.9143.3168.1145.7108.0141.4142.3143.498.7129.2126.1134.198.897.2121.5124.382.581.5110.495.771.063.6105.689.766.892.7-21.4100.068.8
us-gaap:OtherComprehensiveIncomeLossNetOfTax █▁10.5-32.0NA24.520.6-33.4NA-40.95.1-14.7NA-12.8-51.527.1NANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherNonoperatingIncomeExpense ▅▅▄█▅▂▃▃▃▄▄▄▄▄▅▅▆▃▄▄▇▇▇▅▄▃▁▄▄▄▄▄▄▁3.23.50.412.24.4-4.0-2.2-2.0-0.71.1-0.51.91.60.45.03.75.2-0.61.2-0.48.68.88.13.2-0.4-3.1-7.72.01.00.2-0.3-0.20.8-7.5
us-gaap:ProfitLoss ▇▇▆█▆▃▆█▇▆█▇▇▆▄▆▇▅▆▃▆▅▆▂▅▅▄▅▅▄▄▁▅▅118.8108.293.4146.973.70.580.7131.7109.480.3132.9116.1114.072.412.190.1105.868.775.02.095.458.872.0-26.465.043.722.665.647.037.49.3-68.062.541.0
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax █▇▇█▄▆▇██▆▇▇▇▅▅▅▅▃▄▄▄▂▃▃▂▁▄▃▃▁▃▃▃▁746.9694.3727.3728.4589.5674.7719.5748.3731.2655.0702.4711.5704.7613.1623.1609.4627.0548.8569.7581.1584.9502.3545.4544.5519.5458.7573.5546.7531.5472.5543.7529.0528.7473.3
us-gaap:Revenues █▇▇█▄▆▇██▆▇▇▇▅▅▅▅▃▄▄▄▂▃▃▂▁▄▃▃▁▃▃▃▁746.9694.3727.3728.4589.5674.7719.5748.3731.2655.0702.4711.5704.7613.1623.1609.4627.0548.8569.7581.1584.9502.3545.4544.5519.5458.7573.5546.7531.5472.5543.7529.0528.7473.3
us-gaap:SellingGeneralAndAdministrativeExpense █▇▆▆▅▇█▇█▇▆▇▆▆▄▅▅▄▄▄▄▃▄▃▂▁▃▃▃▂▂▂▁▁175.1166.1161.5156.2150.1167.9175.9167.4175.0168.9159.1167.1162.2159.1145.7147.8146.9142.0140.9142.0143.1133.8138.7129.6126.1116.1135.9130.5136.6125.1125.9122.2118.5117.3
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
us-gaap:Assets █▇██▇▆▇▇▇▆▆▆▅▅▅▄▃▃▃▃▄▃▃▄▁▁▂▁▁▁▁3060.12947.93069.43027.72833.92757.72967.22865.42849.32800.82810.22730.12631.72628.12542.02447.32334.62185.42247.42306.62345.52270.02285.32409.01989.61927.42015.91992.21968.11977.91979.9NANANA
us-gaap:Liabilities ▆▆▆▅▅▄▅▅▅▅▅▄▄▅▄▃▃▃▄▅▅▅▆█▁▁▂▂▂▂▃2272.72216.92236.82200.62153.92143.92206.82178.22185.72163.42156.22131.12123.02167.02136.52075.22065.22030.42131.02151.12202.72192.32255.62381.01916.91925.91997.41986.21979.32006.22035.6NANANA
us-gaap:LiabilitiesAndStockholdersEquity █▇██▇▆▇▇▇▆▆▆▅▅▅▄▃▃▃▃▄▃▃▄▁▁▂▁▁▁▁3060.12947.93069.43027.72833.92757.72967.22865.42849.32800.82810.22730.12631.72628.12542.02447.32334.62185.42247.42306.62345.52270.02285.32409.01989.61927.42015.91992.21968.11977.91979.9NANANA
us-gaap:StockholdersEquity █▇██▇▆▇▇▇▇▇▆▆▅▅▄▄▃▃▃▃▂▂▂▂▂▂▁▁▁▁784.0727.7829.4824.3677.5611.3757.4685.0660.5633.7651.0596.9506.0456.0401.6367.2265.3151.4113.3151.8139.273.725.614.547.3-19.8-4.8-30.7-42.2-60.4-86.8NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
us-gaap:AssetsCurrent █▆██▅▄▆▅▄▃▅▄▃▂▆▄▃▂▃▂▃▁▁▄▄▄▅▅▄▄▄1144.21048.01145.01121.0977.1922.01001.8933.1883.2850.2931.6873.3852.5802.61032.7924.6839.2742.2829.3802.3827.9710.4735.1875.7923.2903.7973.8934.0887.6913.9923.2NANANA
us-gaap:CashAndCashEquivalentsAtCarryingValue █▆█▇▄▃▆▃▂▂▄▂▂▂█▅▃▂▅▃▂▁▂▂▂▃▄▃▂▃▃▆▅▅460.2394.3480.4428.9302.4245.3355.3232.9157.8153.8283.8189.7189.6151.8466.2334.9245.5189.6312.4214.5169.1125.5199.7175.2201.0229.6290.5251.4193.2205.4227.4368.5322.2313.8
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents █▆█▇▄▃▅▃▁▁▄▂▂▁█▅460.2394.3480.4430.8304.3248.7358.7236.3161.2160.6290.6196.5189.6151.8466.2334.9NANA312.4NANANA199.7NANANANANANANANANANANA
us-gaap:ReceivablesNetCurrent ▄▄▅▆▅▆▅▇█▇▅▇▇▆▃▄▄▂▁▂▆▅▄▂▂▁▁▃▃▃▂316.9312.6321.8350.9329.2343.1329.8367.5380.0359.6324.9361.4366.0336.4296.6302.8310.9268.9260.0277.1348.3325.8303.4273.1274.7255.8259.9287.3295.6284.1266.1NANANA
us-gaap:InventoryNet █▇▇▇▇▆▆▇█▇▇▇▆▆▅▆▅▅▄▄▄▄▃▄▃▂▂▂▂▂▁310.0289.9283.1289.6293.6275.5269.9293.9304.7296.8280.3278.3265.4271.5239.8257.1247.8238.0220.6228.3225.3216.5204.1216.3205.9184.9179.5180.7174.1167.2155.8NANANA
us-gaap:InventoryFinishedGoods NANA126.8NANANA120.0NANANA128.7NANANA143.4155.3149.1148.2140.3143.1140.5132.0115.2119.095.590.592.6105.4102.499.086.8NANANA
us-gaap:OtherAssetsCurrent ▅▅▂▄▄▅▂▃▃▃▁▃▂▄▁▂▃▄▂██▄▁▅▅▅▂▆▇▇▇57.151.228.149.750.054.729.232.537.333.219.637.131.542.917.029.835.045.722.282.485.242.617.456.855.256.326.261.072.673.374.9NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
us-gaap:NoncurrentAssets NANA663.7NANANA679.3NANANA693.2NANANA571.1NANANA519.4NANANA535.1NANANA326.8NANANA337.3NANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical country:USNANA236.8NANANA242.0NANANA245.1NANANA131.0NANANA117.1NANANA134.9NANANA102.9NANANA103.1NANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical us-gaap:NonUsNANA426.9NANANA437.3NANANA448.1NANANA440.1NANANA402.3NANANANANANANANANANANANANANANA
us-gaap:PropertyPlantAndEquipmentGross NANA830.1NANANA786.0NANANA748.8NANANA707.9NANANA640.4NANANA616.5NANANA586.8NANANA566.4NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:BuildingAndBuildingImprovementsNANA179.8NANANA154.8NANANA148.4NANANA142.2NANANA127.6NANANA125.9NANANA120.5NANANA126.3NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:ConstructionInProgressNANA20.2NANANA42.5NANANA31.1NANANA24.4NANANA18.2NANANA34.1NANANA21.0NANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:LandNANA17.2NANANA16.6NANANA15.6NANANA16.0NANANA14.5NANANA14.5NANANA14.0NANANA16.5NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:MachineryAndEquipmentNANA455.2NANANA417.1NANANA407.7NANANA383.9NANANA353.6NANANA340.1NANANA355.5NANANA341.6NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:SoftwareAndSoftwareDevelopmentCostsNANA157.7NANANA155.0NANANA146.0NANANA141.4NANANA126.5NANANANANANANANANANANANANANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment NANA535.2NANANA494.6NANANA472.1NANANA455.7NANANA413.8NANANA391.7NANANA375.6NANANA366.2NANANA
us-gaap:AmortizationOfIntangibleAssets ▆▆▆▆▅▆▆▆▆▆▆▆██▄▄▄▄▄▄▄▄▄▂▂▁▁▂▂▂▁▂▂▂7.88.18.38.07.57.77.97.67.87.97.77.810.710.15.75.85.45.25.05.35.25.05.32.52.51.82.12.52.52.52.42.52.52.5
us-gaap:PropertyPlantAndEquipmentNet ▇▇█████▇▇▆▇▆▆▇▅▄▄▃▃▃▃▃▃▃▁▁▂▂▂▁▁286.8285.7294.9293.7292.5289.2291.4281.9281.7275.1276.7273.3272.5277.4252.2246.1241.3232.1226.6226.4227.1226.1224.8227.9207.8206.3211.2212.5210.3208.9203.0NANANA
us-gaap:Goodwill ▇▇▇▆▆▆████████▆▆▅▅▅▅▅▅▅▇▂▁▁▁▁▁▁810.8807.8819.0790.1777.7773.0873.3860.4878.1878.7883.0878.0857.0878.0761.2755.9745.7724.6716.8736.1728.8727.2714.1823.4527.5498.6506.0509.9517.8507.1504.9NANANA
 us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass us-gaap:TradeNamesNANA118.3NANANA123.0NANANA130.6NANANA75.4NANANANANANANANANANANANANANANANANANANA
 us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass us-gaap:Trademarks▇▇▇▇▇▇██████▇▇▅▅▅▄▄▅▅▄▄▃▁▁▁▁▁▁▁116.4115.8118.3115.5113.9112.3123.0126.7130.1129.5130.6129.6116.0119.275.474.472.568.664.672.772.064.662.139.211.410.110.110.210.39.09.0NANANA
us-gaap:IntangibleAssetsNetExcludingGoodwill ▇▇▇▇▇▇▇▇████▇█▅▅▅▅▅▅▅▅▅▃▁▁▁▁▂▁▂464.2467.4487.1494.3488.9485.3510.9511.7533.6536.3547.1558.4516.4545.8394.3393.2386.8368.2357.4390.0389.9384.5372.4260.3122.5111.7125.7133.1144.9143.5146.1NANANA
us-gaap:FiniteLivedIntangibleAssetsNet ▆▆▇▇▇▇▇▇▇███▇█▆▆▆▅▅▆▆▆▅▄▁▁▁▁▂▂▂347.8351.6368.8378.8375.0373.0387.9385.0403.5406.8416.5428.8400.4426.6318.9318.8314.3299.6292.8317.3317.9319.9310.3221.1111.1101.6115.6122.9134.6134.5137.1NANANA
us-gaap:DeferredTaxAssetsLiabilitiesNet NANA58.1NANANA43.3NANANA7.7NANANANANANANA15.6NANANA3.0NANANA66.6NANANA75.6NANANA
us-gaap:OperatingLeaseRightOfUseAsset ▆▇▇█▁▂▄▃▄▄87.591.492.095.273.175.381.480.481.682.4NANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAssetsNoncurrent ██▄▇▇▇▄▆▆▆▂▃▃▃▁▃▃▃▁▃▄▅▃▅▅▅▃▅▅▅▅354.1339.0196.7328.6297.7288.2177.3278.3272.7260.587.2147.1133.3124.366.2127.5121.6118.345.0151.8171.8221.8147.0221.7208.6207.1126.9202.7207.5204.5202.7NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
us-gaap:AccountsPayableCurrent ▇▅▆▃▄▄▆▅▅▄▇▅▅▄▃▂▄▂▂▁▂▁▂▂▇▇█▆▆▅▅233.0209.8220.4191.1195.5198.7221.0208.8206.5198.3235.0208.0210.2197.5188.3177.7194.6173.1179.9165.1175.7162.3175.1180.2233.8231.5249.5222.9219.8213.6211.3NANANA
us-gaap:AccruedLiabilitiesCurrent █▇▃▇▆▅▃▆▆▅▂▅▅▄▂▄▄▃▁▄▅▄▁▄▃▄▁▄▃▃▄331.0295.7189.4297.8267.4254.6174.7282.3275.5252.0135.0243.9227.7219.3134.6219.5195.3178.3117.8220.0245.4194.7124.9196.3183.4201.2120.4211.0186.9177.4207.3NANANA
us-gaap:DebtCurrent ▁▁▁▁▁▁▁▁▄▄▄▄▄▄▄▄▆▆▆▆▆▆▇▇▇▆▆▄▄██0.10.10.20.20.83.40.10.135.135.135.335.035.235.335.035.046.947.148.247.248.649.165.659.061.849.449.630.330.770.571.9NANANA
us-gaap:LiabilitiesCurrent █▆▆▅▄▃▆▅▆▅▆▅▄▃▄▂▃▁▂▂▄▁▃▆▄▅▇▄▃▄▅564.1505.6521.5489.1463.7456.7507.0491.2517.1485.4520.8486.9473.1452.1460.8432.2436.8398.5429.6432.3469.7406.1447.1517.2479.0482.1531.3464.2437.4461.5490.5NANANA
us-gaap:OperatingLeaseLiabilityCurrent ██▇▇▁▁▃▃▃▆27.727.927.627.524.724.925.825.425.727.1NANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OtherAccruedLiabilitiesCurrent us-gaap:FairValueByLiabilityClass alle:CustomerClaimaccrualNANA48.6NANANA36.5NANANA31.6NANANA32.5NANANA29.0NANANANANANANANANANANANANANANA
 us-gaap:OtherAccruedLiabilitiesCurrent us-gaap:FairValueByLiabilityClass alle:SalesIncentiveaccrualNANA35.0NANANA37.2NANANA33.9NANANA31.8NANANA29.6NANANANANANANANANANANANANANANA
us-gaap:TaxesPayableCurrent NANA18.2NANANA12.8NANANA20.2NANANA18.2NANANA2.7NANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
us-gaap:LongTermDebtNoncurrent ▅▅▅▅▅▅▅▅▅▅▅▅▅▆▆▅▅▅▅▅▅▆▆█▁▁▁▂▂▂▂1430.31429.81429.41428.91428.51428.01427.61427.01393.11401.31409.51417.71425.91474.11442.31412.01394.11404.81415.61426.41437.11446.91479.81575.91190.51202.71215.01249.21256.91264.41272.0NANANA
us-gaap:DebtAndCapitalLeaseObligations ▄▄▄▄▄▄▄▄▄▄▅▅▅▆▅▅▄▅▅▅▅▅▆█▁▁▁▂▂▃▃1430.41429.91429.61429.11429.31431.41427.71427.11428.21436.41444.81452.71461.11509.41477.31447.01441.01451.91463.81473.61485.71496.01545.41634.91252.31252.11264.61279.51287.61334.91343.9NANANA
us-gaap:DeferredIncomeTaxLiabilitiesNet NANA105.7NANANA107.8NANANA115.9NANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:MinorityInterest ▁▁▁▁▁▁▁▁▁▁▁▁▁▂▁▂▁▁▁▁▁▁▁▃▆▅▅█▇▇▇3.43.33.22.82.52.53.02.23.13.73.02.12.75.13.94.94.13.63.13.73.64.04.113.525.421.323.336.731.032.131.1NANANA
us-gaap:OtherLiabilitiesNoncurrent ▇▇▃▇▆▆▂▆▇▇▁▅▅▆▁▆▆▆▁▇▇█▂▇▆▆▂▇▇▇▇278.3281.5100.8282.6261.7259.276.7260.0275.5276.728.8226.5224.0240.823.9231.0234.3227.132.6292.4295.9339.363.3287.9247.4241.171.1272.8285.0280.3273.1NANANA
us-gaap:OperatingLeaseLiabilityNoncurrent ▆▇▇█▁▂▃▃▄▃61.565.466.368.348.951.055.655.055.955.3NANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo ▂▁▆▅▆▅▅█▆▅17.616.623.622.123.822.321.826.324.122.7NANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree ▁▁▄▃▅▄▄█▆▅11.210.714.613.516.214.814.319.417.315.2NANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour ▁▁▄▃▂▁▁█▆▄8.07.89.79.18.57.87.712.711.19.7NANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA7.1NA4.64.34.36.76.35.4NANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive alle:Alle_LeaseArrangementTypeAxis us-gaap:EquipmentNANA1.8NA0.9NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive alle:Alle_LeaseArrangementTypeAxis us-gaap:RealEstateNANA5.3NA3.7NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NANA19.5NA15.615.215.418.618.817.4NANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive alle:Alle_LeaseArrangementTypeAxis us-gaap:RealEstateNANA19.5NA15.5NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
us-gaap:StockholdersEquity █▇██▇▆▇▇▇▇▇▆▆▅▅▄▄▃▃▃▃▂▂▂▂▂▂▁▁▁▁784.0727.7829.4824.3677.5611.3757.4685.0660.5633.7651.0596.9506.0456.0401.6367.2265.3151.4113.3151.8139.273.725.614.547.3-19.8-4.8-30.7-42.2-60.4-86.8NANANA
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest ▅▅▅▅▄▄▅▅▄▄▄▄▄▃▃▃▃▂▂▂▂▂▁▁▂▁▁▁▁▁▁▇██787.4731.0832.6827.1680.0613.8760.4687.2663.6637.4654.0599.0508.7461.1405.5372.1269.4155.0116.4155.5142.877.729.728.072.71.518.56.0-11.2-28.3-55.71301.01424.81404.9
us-gaap:CommonStockValue ▁▁▁▁▁▁▁▁▁▁▁█▁▁██▁██████████████0.90.90.90.90.90.90.90.90.90.90.91.00.90.91.01.00.91.01.01.01.01.01.01.01.01.01.01.01.01.01.0NANANA
us-gaap:AdditionalPaidInCapitalCommonStock NANANA6.81.60.00.00.00.00.00.012.25.20.09.1NANANANANANANANANANANANANANANANANANANA
us-gaap:RetainedEarningsAccumulatedDeficit █▇██▇▇██▇▇▇▆▆▅▅▅▄▄▄▃▃▃▃▂▂▂▂▂▁▁▁961.8915.9985.61023.4906.0861.8975.1957.1892.7871.6873.6771.9675.8581.9544.4543.5468.9401.8376.6350.7360.6277.3232.4170.2207.1152.8142.495.455.528.00.4NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▄▃▄▃▂▂▂▁▂▂▂▃▄▅▄▃▃▂▁▃▂▃▂▄▄▄▄▅▆▅▆▇██-178.7-189.1-157.1-206.8-231.0-251.4-218.6-273.0-233.1-238.8-223.5-188.2-175.9-126.8-152.9-182.5-204.5-251.4-264.3-216.8-231.2-205.7-232.2-174.6-173.1-178.7-148.2-129.7-104.3-109.8-96.6-56.4-17.0-26.9
 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents us-gaap:AccumulatedDefinedBenefitPlansAdjustment▄▄▄▄▄▄▃▄▄▃▃▆▆▅▅▃▃▄▄▃▃▂▁▅▄▅▄▃▂▂▂███-118.4-119.3-120.3-121.3-119.3-120.4-126.2-116.5-120.2-124.3-123.2-102.5-104.2-108.9-107.6-124.0-122.7-120.8-120.5-124.4-127.4-134.9-139.3-111.8-115.4-112.2-116.1-123.3-132.7-132.0-131.3-92.4-89.6-90.6
 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents us-gaap:AccumulatedNetGainLossFromCashFlowHedgesIncludingPortionAttributableToNoncontrollingInterestNA-0.6-0.90.10.32.00.51.11.53.96.15.66.76.33.81.91.93.53.4NANANANANANANANANANANANANANANA
 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesNANA-0.9NANANA0.5NANANA6.1NANANA3.8NANANA3.4NANANANANANANANANANANANANANANA
 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents us-gaap:AccumulatedTranslationAdjustment▄▄▅▃▂▂▃▁▂▂▃▃▄▅▅▄▃▂▁▃▃▄▃▃▄▃▅▅▇▆▇▇██-60.3-69.2-35.9-85.6-112.0-133.0-92.9-157.6-114.4-118.4-106.4-91.3-78.4-24.2-49.1-60.4-83.7-134.1-147.2-91.4-98.7-75.6-106.9-85.8-76.2-86.7-47.8-23.614.75.918.020.059.050.6
us-gaap:MinorityInterest ▁▁▁▁▁▁▁▁▁▁▁▁▁▂▁▂▁▁▁▁▁▁▁▃▆▅▅█▇▇▇3.43.33.22.82.52.53.02.23.13.73.02.12.75.13.94.94.13.63.13.73.64.04.113.525.421.323.336.731.032.131.1NANANA
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue █▁9.74.4NA5.21.612.2NA4.26.87.13.37.15.26.43.017.80.0-5.03.54.34.24.64.33.43.33.63.43.23.13.4NANANANA
us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders 0.1NANANA0.2NANANA0.1NA1.60.00.2NA1.70.0NANA-0.10.10.02.79.310.30.00.30.00.0NANA0.02.40.02.8
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▇▅█▇▅▃█▇▅▂█▆▆▂▇▅▅▁█▄▅▂▆▅▃▂▄▅▄▂▄▅▄▂155.7111.8200.9161.497.230.8208.8172.4119.6-12.6197.4141.7128.8-10.1177.2106.0104.9-40.9199.177.2102.0-0.8131.592.328.84.483.9108.264.7-0.966.398.458.80.4
us-gaap:NetCashProvidedByUsedInInvestingActivities ██▇██▇▇▇▇▇▇▆▇▄███▇██▇██▁▇█████▇███-14.1-4.6-17.4-8.7-11.8-18.8-21.6-19.8-18.5-17.7-35.1-107.4-16.4-284.9-14.1-10.21.9-27.8-14.7-10.8-35.7-2.80.6-467.9-52.1-14.4-13.9-12.76.1-14.3-31.119.3-2.8-4.1
us-gaap:NetCashProvidedByUsedInFinancingActivities ▆▁▃██▄▆▆▅▅▆-77.90000000000003-187.2-142.6-30.1-32.4-116.8-67.8-73.8-101.4-99.2-66.5NANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▇▅▇█▇▄█▇▆▄▇▆▇▁█65.9-86.149.6126.555.6-110.0122.475.10.6-130.094.16.937.8-314.4131.3NANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet ▁█-16.417.8NA8.7-3.685.8NA-19.510.5113.6NA-5.38.2105.0NA1.317.176.1NA26.410.576.0NA-1.648.951.4NA-31.31.750.5NA-35.714.652.3
us-gaap:NetCashProvidedByUsedInOperatingActivities ▇▅█▇▅▃█▇▅▂█▆▆▂▇▅▅▁█▄▅▂▆▅▃▂▄▅▄▂▄▅▄▂155.7111.8200.9161.497.230.8208.8172.4119.6-12.6197.4141.7128.8-10.1177.2106.0104.9-40.9199.177.2102.0-0.8131.592.328.84.483.9108.264.7-0.966.398.458.80.4
us-gaap:NetIncomeLoss ▇▇▆█▆▃▆█▇▆█▇▇▆▄▆▇▆▆▃▆▅▆▃▅▅▅▅▅▅▄▁▅▅118.7108.093.3146.973.70.480.7131.6109.380.2132.8116.0113.972.29.689.8105.568.474.81.695.057.771.9-27.363.945.435.860.343.535.610.7-78.160.339.4
us-gaap:ProfitLoss ▇▇▆█▆▃▆█▇▆█▇▇▆▄▆▇▅▆▃▆▅▆▂▅▅▄▅▅▄▄▁▅▅118.8108.293.4146.973.70.580.7131.7109.480.3132.9116.1114.072.412.190.1105.868.775.02.095.458.872.0-26.465.043.722.665.647.037.49.3-68.062.541.0
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ██▇██▇▇▇▇▇▇▆▇▄███▇██▇██▁▇█████▇███-14.1-4.6-17.4-8.7-11.8-18.8-21.6-19.8-18.5-17.7-35.1-107.4-16.4-284.9-14.1-10.21.9-27.8-14.7-10.8-35.7-2.80.6-467.9-52.1-14.4-13.9-12.76.1-14.3-31.119.3-2.8-4.1
us-gaap:PaymentsToAcquireProductiveAssets ▄▂▅▃▅▅▆█▇▅▇▄▅▃▆▅▅▃▆▄▃▃▃▃▃▄▄▅▇▃▃▁▁▂11.66.313.8000000000000048.89999999999999712.611.816.220.117.012.317.310.912.28.715.612.313.67.816.19.99.17.47.98.79.29.411.713.816.89.28.23.33.45.3
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▆▁▃██▄▆▆▅▅▆-77.90000000000003-187.2-142.6-30.1-32.4-116.8-67.8-73.8-101.4-99.2-66.5NANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:RepaymentsOfLongTermDebt NANA0.00.10.00.00.0400.08.98.88.88.89.18.8173.80.011.711.8-6.613.128.811.7416.10.012.212.2989.87.5NANANANANANA
us-gaap:PaymentsOfDividendsCommonStock ██▇▇▇▇▆▆▆▆▅▅▅▅▄▄▄▄▃▃▃▃▃▃▃▃▃▃▃▃▁▁▁▁32.09999999999999432.529.029.629.729.025.125.025.325.219.819.920.019.715.315.215.215.211.511.611.511.49.69.69.69.57.47.77.77.20.00.00.00.0
us-gaap:PaymentsForRepurchaseOfCommonStock ▃█▆▁▁▅▃▃▄▄▃▁▁▂▁▁▂▂▄▁▁▂▁▁▁▂▁▂▂▁▁▁50.1149.7114.70.00.094.146.346.169.863.837.30.00.030.00.00.030.030.055.10.00.030.00.00.00.030.00.020.030.30.00.00.0NANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument,us-gaap:LongtermDebtType alle:ThreePointFiveFivePercentSeniorNoteDue2027,us-gaap:SeniorNotesNANA3.55e-06NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument,us-gaap:LongtermDebtType alle:ThreePointFivePercentSeniorNoteDue2029,us-gaap:SeniorNotesNANA3.5e-06NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument,us-gaap:LongtermDebtType alle:ThreePointTwoZeroPercentSeniorNoteDue2024,us-gaap:SeniorNotesNANA3.2000000000000003e-06NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value900000.0900000.0900000.0900000.0900000.0900000.0900000.0900000.0900000.0900000.0900000.01000000.0900000.0900000.01000000.01000000.0900000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.00.10.10.10.1

Preferred Stock Par Or Stated Value Per Share

us-gaap:PreferredStockParOrStatedValuePerShare

us-gaap:PreferredStockParOrStatedValuePerShare


Preferred
Period End2020-12-31
Value0.001
Percentage of PreferredStockParOrStatedValuePerShare100.0

Shares Outstanding

us-gaap:SharesOutstanding us-gaap:StatementEquityComponents

us-gaap:SharesOutstanding

us-gaap:CommonStock


Shares
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value899091929292929393949495
Percentage of SharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Preferred Stock Shares Authorized

us-gaap:PreferredStockSharesAuthorized

us-gaap:PreferredStockSharesAuthorized


Preferred
Period End2020-12-31
Value10000000.0
Percentage of PreferredStockSharesAuthorized100.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-31
Value9091929293949495959595959596969696959696969797969696
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-31
Value9090929292939394959595959595969595959595959696969696
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount


Antidilutive
Period End2021-03-312015-09-30
Value100000.01000000.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value1.321.191.021.590.800.871.411.170.851.41.221.20.760.10.951.110.720.780.020.990.60.74-0.280.670.470.370.630.450.370.11-0.810.630.41
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value1.311.181.011.580.800.861.41.160.841.391.211.190.750.10.941.10.710.770.020.980.60.74-0.280.660.470.370.620.450.370.11-0.810.630.41
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Allocated Share Based Compensation Expense

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:AllocatedShareBasedCompensationExpense


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value6.3106.06.03.87.45.23.64.7101.45.35.56.63.84.44.66.13.25.04.44.84.62.83.44.03.83.23.53.52.81.72.11.8
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.81.50.00.80.61.10.00.50.61.50.00.70.81.10.00.70.71.10.00.90.81.00.00.50.70.90.00.60.70.70.00.30.40.4

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:AwardType

us-gaap:DeferredCompensationShareBasedPayments


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value1.00.41.21.02.2-2.01.1-0.10.51.7-2.00.60.5
Percentage of AllocatedShareBasedCompensationExpense15.94.020.016.757.9-27.021.2-2.810.616.8-142.911.39.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.00.10.4-0.30.0-0.00.10.30.00.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:DeferredCompensationShareBasedPayments0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:EmployeeStockOption


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.42.80.40.40.42.60.30.40.42.40.41.01.31.60.60.70.81.2
Percentage of AllocatedShareBasedCompensationExpense6.327.76.76.710.535.15.811.18.523.828.618.923.624.215.815.917.419.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.40.00.10.10.40.00.10.10.40.00.10.20.30.00.10.10.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:EmployeeStockOption0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:PerformanceShares


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value2.61.32.62.6-1.01.41.81.71.81.61.51.11.31.81.31.41.41.7
Percentage of AllocatedShareBasedCompensationExpense41.312.943.343.3-26.318.934.647.238.315.8107.120.823.627.334.231.830.427.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.20.00.4-0.20.20.00.20.20.20.00.20.20.30.00.20.20.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:PerformanceShares0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RestrictedStockUnitsRSU


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value2.35.61.82.02.25.42.01.62.04.41.52.62.43.11.11.71.82.4
Percentage of AllocatedShareBasedCompensationExpense36.555.430.033.357.973.038.544.442.643.6107.149.143.647.028.938.639.139.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.80.00.30.40.80.00.20.30.70.00.40.30.50.00.30.30.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RestrictedStockUnitsRSU0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value1297614317194-32.41359111564107103649845111152812716698414-28.8691517344922-29.6-117.57020
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax17.310.90.023.516.0-4.80.012.315.79.90.014.69.216.00.018.424.314.80.02.811.916.80.0-5.313.43.30.06.49.34.70.0-22.213.34.3

Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value0.20.20.30.2-0.50.9-0.9-0.50.72.5-0.6-2.21.20.80.80.70.5-0.70.2-0.42.60.0-0.31.1-1.7-13.45.73.41.0-1.5102.52.0
Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.0-0.10.0-0.1-0.10.10.0-0.1-0.30.20.00.10.10.10.00.0-0.10.50.0-0.10.2-0.40.01.00.60.20.01.90.50.4

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value1297614317194-32.91369011465109103629946112153812616698614-29.170133.8405223-31.1-107.27222
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax17.311.00.023.516.0-4.90.012.115.710.00.014.58.916.20.018.524.414.90.02.811.817.30.0-5.313.62.90.07.49.95.00.0-20.313.84.7

Cost Of Goods And Services Sold

us-gaap:CostOfGoodsAndServicesSold

us-gaap:CostOfGoodsAndServicesSold


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value426396407409342381400412410378401402399355348335346308331317317286325304297271374310305280325290310287
Percentage of CostOfGoodsAndServicesSold100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax57.157.20.056.258.256.60.055.256.157.70.056.556.658.00.055.155.256.10.054.754.356.90.055.957.359.20.056.857.459.40.054.958.760.7

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value1361221051598712971501319512713013186781121238282211167575-6.884564094785383-22.110060
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax18.217.60.021.914.91.80.020.118.014.60.018.318.714.10.018.419.615.00.03.619.914.90.0-1.216.212.30.017.414.711.40.0-4.219.012.9

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value17141212141117182215-5.7141713662117137.51921163.81919121727231672453719
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.32.10.01.82.41.70.02.53.02.30.02.02.52.30.03.62.82.50.03.33.63.20.03.63.72.70.05.04.33.40.08.67.04.2

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value1212121213121315131313141312561716151515161616131111151212138.80.50.50.4
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.71.80.01.82.21.90.02.11.82.10.02.01.92.10.02.92.62.90.02.72.83.20.02.52.22.50.02.32.42.80.00.10.10.1

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value11810893146730.48013110980132116113729.68910568741.6955771-27.363453560433510-78.16039
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.915.60.020.212.50.10.017.614.912.20.016.316.211.80.014.716.812.50.00.316.211.50.0-5.012.39.90.011.08.27.50.0-14.811.48.3

Net Income Loss Attributable To Noncontrolling Interest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value0.10.20.10.00.00.10.00.10.10.10.10.10.10.22.50.30.30.30.20.40.41.10.10.91.1-1.7-13.25.33.51.8-1.4102.21.6
Percentage of NetIncomeLossAttributableToNoncontrollingInterest100.0100.0100.00.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.00.10.10.20.00.20.2-0.40.01.00.70.40.01.90.40.3

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value14513111716096281431681451081411421439812912613498971211248281110957163105896692-21.410068
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax19.518.90.022.016.44.30.022.519.916.50.020.020.316.10.020.721.418.00.020.921.316.40.020.318.415.50.019.316.914.10.0-4.018.914.5

us-gaap:OperatingIncomeLoss us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Operating
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value-23.1-19.5-17.8-15.1-20.9-19.1-18.4-22.2-20.6-20.6
Percentage of OperatingIncomeLoss-15.9-14.9-11.1-15.6-72.3-11.4-12.6-20.6-14.5-14.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-3.1-2.8-2.4-2.6-3.1-2.6-2.5-3.4-2.9-2.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CorporateNonSegment0.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value16815013817811149164187164130157162164
Percentage of OperatingIncomeLoss115.9114.9117.7111.1115.6172.3115.1111.4112.6120.6111.1114.5114.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.621.70.024.518.97.40.025.022.419.90.022.923.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments0.00.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:OperatingSegments, alle:AllegionAmericas


Operating
Period End2021-06-302021-03-312020-06-302020-03-31
Value150135120146
Percentage of OperatingIncomeLoss103.4103.1125.2507.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax20.119.520.521.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments alle:AllegionAmericas27.427.127.228.6

us-gaap:OperatingSegments, alle:AllegionInternational


Operating
Period End2021-06-302021-03-312020-06-302020-03-31
Value1815-9.2-96.8
Percentage of OperatingIncomeLoss12.411.7-9.5-334.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.42.2-1.6-14.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments alle:AllegionInternational9.27.9-6.3-59.5

us-gaap:OperatingSegments, srt:Americas


Operating
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value165120146175161120153152
Percentage of OperatingIncomeLoss102.9125.2507.3104.5110.6111.9108.1106.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.720.521.723.522.018.521.621.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments srt:Americas0.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, srt:AsiaPacific


Operating
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value-0.3-3.6-97.94.11.3-1.51.50.8
Percentage of OperatingIncomeLoss-0.2-3.7-338.82.40.9-1.41.10.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.0-0.6-14.50.50.2-0.20.20.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments srt:AsiaPacific0.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, us-gaap:EMEA


Operating
Period End2020-09-302019-09-30
Value137.5
Percentage of OperatingIncomeLoss8.44.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.91.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments us-gaap:EMEA0.00.0

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value10-32.02420-33.4-40.95.1-14.7-12.8-51.527
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.4-4.63.43.5-5.0-5.50.7-2.2-1.8-7.34.4

us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value10-32.02420-32.8-39.95.7-15.3-12.1-49.226
Percentage of OtherComprehensiveIncomeLossNetOfTax99.0100.098.899.098.297.6111.8104.194.595.596.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.4-4.63.33.5-4.9-5.30.8-2.3-1.7-7.04.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Other
Period End2021-06-302020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0.10.30.2-0.6-1.0-0.60.6-0.7-2.31.0
Percentage of OtherComprehensiveIncomeLossNetOfTax1.01.21.01.82.4-11.8-4.15.54.53.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.0-0.1-0.1-0.10.1-0.1-0.30.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.0

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:OtherNonoperatingIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value3.23.50.4124.4-4.0-2.2-2.0-0.71.1-0.51.91.60.45.03.75.2-0.61.2-0.48.68.88.13.2-0.4-3.1-7.72.01.00.2-0.3-0.20.8-7.5
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.50.01.70.7-0.60.0-0.3-0.10.20.00.30.20.10.00.60.8-0.10.0-0.11.51.80.00.6-0.1-0.70.00.40.20.00.0-0.00.2-1.6

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value11810893146730.5801311098013211611472129010568752.0955872-26.46543226547379.3-68.06241
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.915.60.020.212.50.10.017.615.012.30.016.316.211.80.014.816.912.50.00.316.311.70.0-4.812.59.50.012.08.87.90.0-12.911.88.7

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Profit
Period End2021-06-302021-03-312020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value0.10.20.00.10.10.10.10.10.10.22.50.30.30.30.20.40.41.10.10.91.1-1.7-13.25.33.51.8-1.4102.21.6
Percentage of ProfitLoss0.10.20.020.00.10.10.10.10.10.320.70.30.30.40.320.00.41.90.1-3.41.7-3.9-58.48.17.44.8-15.1-14.93.53.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.00.00.00.00.00.00.00.00.00.10.00.10.10.20.00.20.2-0.40.01.00.70.40.01.90.40.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value118108146730.41311098011611372
Percentage of ProfitLoss99.999.8100.0100.080.099.999.999.999.999.999.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.915.620.212.50.117.614.912.216.316.211.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.0

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value746694727728589674719748731655702711704613623609627548569581584502545544519458573546531472543529528473
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, alle:AllegionAmericas


Revenue
Period End2021-06-302021-03-312020-06-302020-03-31
Value549498444512
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax73.671.975.475.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax73.671.975.475.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments alle:AllegionAmericas100.0100.0100.0100.0

us-gaap:OperatingSegments, alle:AllegionInternational


Revenue
Period End2021-06-302021-03-312020-06-302020-03-31
Value197195145162
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax26.428.124.624.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax26.428.124.624.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments alle:AllegionInternational100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService

us-gaap:Product


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value738687715721582668707739724648691704700609614604622545
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax98.899.098.499.198.999.198.498.899.099.098.499.099.499.498.599.399.399.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax98.899.098.499.198.999.198.498.899.099.098.499.099.499.498.599.399.399.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Product100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Service


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value8.77.0116.96.66.1119.37.26.3117.14.53.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.21.01.60.91.10.91.61.21.01.01.61.00.60.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.21.01.60.91.10.91.61.21.01.01.61.00.60.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Service100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:Product, alle:AllegionAmericas


Revenue
Period End2021-06-302021-03-312020-06-302020-03-31
Value548498444512
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax73.571.875.475.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax73.571.875.475.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Product alle:AllegionAmericas100.0100.0100.0100.0

us-gaap:Product, alle:AllegionInternational


Revenue
Period End2021-06-302021-03-312020-06-302020-03-31
Value189189138156
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax25.327.223.523.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax25.327.223.523.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Product alle:AllegionInternational100.0100.0100.0100.0

us-gaap:Product, srt:Americas


Revenue
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value539444512526567545475492530526439
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax74.075.475.973.175.974.572.670.174.574.871.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax74.075.475.973.175.974.572.670.174.574.871.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Product srt:Americas100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Product, srt:AsiaPacific


Revenue
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value3932304140413450443023
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.45.54.65.85.45.75.37.16.34.33.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.45.54.65.85.45.75.37.16.34.33.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Product srt:AsiaPacific100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Product, us-gaap:EMEA


Revenue
Period End2020-09-302019-09-30
Value143130
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax19.717.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax19.717.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Product us-gaap:EMEA100.0100.0

us-gaap:Service, alle:AllegionAmericas


Revenue
Period End2021-06-302021-03-31
Value0.50.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Service alle:AllegionAmericas100.0100.0

us-gaap:Service, alle:AllegionInternational


Revenue
Period End2021-06-302021-03-312020-06-302020-03-31
Value8.26.36.66.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.10.91.10.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.10.91.10.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Service alle:AllegionInternational100.0100.0100.0100.0

us-gaap:Service, srt:AsiaPacific


Revenue
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1.71.61.82.02.02.12.12.12.20.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.30.30.30.30.30.30.30.30.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.30.30.30.30.30.30.30.30.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Service srt:AsiaPacific100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:Service, us-gaap:EMEA


Revenue
Period End2020-09-302019-09-30
Value5.27.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.71.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.71.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Service us-gaap:EMEA100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementBusinessSegments

srt:Americas


Revenue
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value539444512526567545475492530526439
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax74.075.475.973.175.974.572.670.174.574.871.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax74.075.475.973.175.974.572.670.174.574.871.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Americas100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:AsiaPacific


Revenue
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value4034324342433652473023
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.65.84.86.15.76.05.67.46.64.33.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.65.84.86.15.76.05.67.46.64.33.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:AsiaPacific100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EMEA


Revenue
Period End2020-09-302019-09-30
Value148137
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax20.418.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax20.418.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:EMEA100.0100.0

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value746694727728589674719748731655702711704613623609627548569581584502545544519458573546531472543529528473
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:SellingGeneralAndAdministrativeExpense


Selling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value175166161156150167175167175168159167162159145147146142140142143133138129126116135130136125125122118117
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax23.423.922.221.425.524.924.422.423.925.822.723.523.026.023.424.323.425.924.724.424.526.625.423.824.325.323.723.925.726.523.223.122.424.8

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value3060294730693027283327572967286528492800281027302631262825422447233421852247230623452270228524091989192720151992196819771979
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-31
Value476389295
Percentage of Assets15.513.110.5
Percentage of Assets15.513.110.5
Percentage of Assets us-gaap:CorporateNonSegment100.0100.0100.0

us-gaap:OperatingSegments


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-31
Value259225772514
Percentage of Assets84.586.989.5
Percentage of Assets84.586.989.5
Percentage of Assets us-gaap:OperatingSegments100.0100.0100.0

us-gaap:Assets us-gaap:StatementBusinessSegments

alle:Alle_Americas


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-31
Value124912391175
Percentage of Assets40.741.841.8
Percentage of Assets40.741.841.8
Percentage of Assets alle:Alle_Americas100.0100.0100.0

alle:Alle_AsiaPacific


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-31
Value188281286
Percentage of Assets6.19.510.2
Percentage of Assets6.19.510.2
Percentage of Assets alle:Alle_AsiaPacific100.0100.0100.0

alle:Alle_EMEA


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-31
Value115410571052
Percentage of Assets37.635.637.4
Percentage of Assets37.635.637.4
Percentage of Assets alle:Alle_EMEA100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value2272221622362200215321432206217821852163215621312123216721362075206520302131215122022192225523811916192519971986197920062035
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets74.375.272.972.776.077.774.476.076.777.276.778.180.782.584.084.888.592.994.893.393.996.698.798.896.399.999.199.7100.6101.4102.8

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value3060294730693027283327572967286528492800281027302631262825422447233421852247230623452270228524091989192720151992196819771979
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value78472782982467761175768566063365159650645640136726515111315113973251447-19.8-4.8-30.7-42.2-60.4-86.8
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets25.624.727.027.223.922.225.523.923.222.623.221.919.217.415.815.011.46.95.06.65.93.21.10.62.4-1.0-0.2-1.5-2.1-3.1-4.4

Assets Current

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value114410481145112197792210019338838509318738528021032924839742829802827710735875923903973934887913923
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets37.435.637.337.034.533.433.832.631.030.433.232.032.430.540.637.835.934.036.934.835.331.332.236.446.446.948.346.945.146.246.6

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value460394480428302245355232157153283189189151466334245189312214169125199175201229290251193205227368322313317376
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets15.013.415.714.210.78.912.08.15.55.510.16.97.25.818.313.710.58.713.99.37.25.58.77.310.111.914.412.69.810.411.50.00.00.00.00.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312015-12-31
Value460394480430304248358236161160290196189151466334312199
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets15.013.415.714.210.79.012.18.25.75.710.37.27.25.818.313.713.98.7

Receivables Net Current

us-gaap:ReceivablesNetCurrent

us-gaap:ReceivablesNetCurrent


Receivables
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value316312321350329343329367380359324361366336296302310268260277348325303273274255259287295284266
Percentage of ReceivablesNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.410.610.511.611.612.411.112.813.312.811.613.213.912.811.712.413.312.311.612.014.814.413.311.313.813.312.914.415.014.413.4

Inventory Net

us-gaap:InventoryNet

us-gaap:InventoryNet


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value310289283289293275269293304296280278265271239257247238220228225216204216205184179180174167155
Percentage of InventoryNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.19.89.29.610.410.09.110.310.710.610.010.210.110.39.410.510.610.99.89.99.69.58.99.010.39.68.99.18.88.57.9

Inventory Finished Goods

us-gaap:InventoryFinishedGoods

us-gaap:InventoryFinishedGoods


Inventory
Period End2020-12-312019-12-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value1261201281431551491481401431401321151199590921051029986
Percentage of InventoryFinishedGoods100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.14.04.65.66.36.46.86.26.26.05.85.04.94.84.74.65.35.25.04.4

Other Assets Current

us-gaap:OtherAssetsCurrent

us-gaap:OtherAssetsCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value57512849505429323733193731421729354522828542175655562661727374
Percentage of OtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.91.70.91.61.82.01.01.11.31.20.71.41.21.60.71.21.52.11.03.63.61.90.82.42.82.91.33.13.73.73.8

Noncurrent Assets

us-gaap:NoncurrentAssets

us-gaap:NoncurrentAssets


Noncurrent
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value663679693571519535326337
Percentage of NoncurrentAssets100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets21.622.924.722.523.123.416.217.0

us-gaap:NoncurrentAssets us-gaap:StatementGeographical

country:US


Noncurrent
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value236242245131117134102103
Percentage of NoncurrentAssets35.735.635.422.922.525.231.530.6
Percentage of Assets7.78.28.75.25.25.95.15.2
Percentage of Assets country:US0.00.00.00.00.00.00.00.0

us-gaap:NonUs


Noncurrent
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value426437448440402
Percentage of NoncurrentAssets64.364.464.677.177.5
Percentage of Assets13.914.715.917.317.9
Percentage of Assets us-gaap:NonUs0.00.00.00.00.0

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value830786748707640616586566
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets27.026.526.627.828.527.029.128.6

us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType

us-gaap:BuildingAndBuildingImprovements


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value179154148142127125120126
Percentage of PropertyPlantAndEquipmentGross21.719.719.820.119.920.420.522.3
Percentage of Assets5.95.25.35.65.75.56.06.4
Percentage of Assets us-gaap:BuildingAndBuildingImprovements0.00.00.00.00.00.00.00.0

us-gaap:ConstructionInProgress


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value20423124183421
Percentage of PropertyPlantAndEquipmentGross2.45.44.23.42.85.53.6
Percentage of Assets0.71.41.11.00.81.51.0
Percentage of Assets us-gaap:ConstructionInProgress0.00.00.00.00.00.00.0

us-gaap:Land


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value1716151614141416
Percentage of PropertyPlantAndEquipmentGross2.12.12.12.32.32.42.42.9
Percentage of Assets0.60.60.60.60.60.60.70.8
Percentage of Assets us-gaap:Land0.00.00.00.00.00.00.00.0

us-gaap:MachineryAndEquipment


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value455417407383353340355341
Percentage of PropertyPlantAndEquipmentGross54.853.154.454.255.255.260.660.3
Percentage of Assets14.814.114.515.115.714.917.617.3
Percentage of Assets us-gaap:MachineryAndEquipment0.00.00.00.00.00.00.00.0

us-gaap:SoftwareAndSoftwareDevelopmentCosts


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value157155146141126
Percentage of PropertyPlantAndEquipmentGross19.019.719.520.019.8
Percentage of Assets5.15.25.25.65.6
Percentage of Assets us-gaap:SoftwareAndSoftwareDevelopmentCosts0.00.00.00.00.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value535494472455413391375366
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets17.416.716.817.918.417.118.618.5

Amortization Of Intangible Assets

us-gaap:AmortizationOfIntangibleAssets

us-gaap:AmortizationOfIntangibleAssets


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value7.88.18.38.07.57.77.97.67.87.97.77.810105.75.85.45.25.05.35.25.05.32.52.51.82.12.52.52.52.42.52.52.5
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value286285294293292289291281281275276273272277252246241232226226227226224227207206211212210208203
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.49.79.69.710.310.59.89.89.99.89.810.010.410.69.910.110.310.610.19.89.710.09.89.510.410.710.510.710.710.610.3

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value810807819790777773873860878878883878857878761755745724716736728727714823527498506509517507504
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets26.527.426.726.127.428.029.430.030.831.431.432.232.633.429.930.931.933.231.931.931.132.031.234.226.525.925.125.626.325.625.5

us-gaap:Goodwill us-gaap:StatementBusinessSegments

alle:Alle_Americas


Goodwillus-gaap:
Period End2020-12-312019-12-312018-12-31
Value501485486
Percentage of Goodwill61.255.555.1
Percentage of Assets16.316.317.3
Percentage of Assets alle:Alle_Americas40.139.141.3

alle:Alle_AsiaPacific


Goodwillus-gaap:
Period End2020-12-312019-12-312018-12-31
Value8.0102108
Percentage of Goodwill1.011.812.3
Percentage of Assets0.33.53.9
Percentage of Assets alle:Alle_AsiaPacific4.236.637.8

alle:Alle_EMEA


Goodwillus-gaap:
Period End2020-12-312019-12-312018-12-31
Value309285288
Percentage of Goodwill37.832.732.7
Percentage of Assets10.19.610.3
Percentage of Assets alle:Alle_EMEA26.827.027.4

alle:AllegionInternational


Goodwillus-gaap:
Period End2021-06-302021-03-312020-12-31
Value309306317
Percentage of Goodwill38.238.038.8
Percentage of Assets10.110.410.4
Percentage of Assets alle:AllegionInternational0.00.00.0

srt:Americas


Goodwillus-gaap:
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value484484484485484485486486375
Percentage of Goodwill61.462.362.755.556.355.255.455.149.3
Percentage of Assets16.017.117.616.316.917.017.417.314.8
Percentage of Assets srt:Americas0.00.00.039.10.00.00.041.343.0

srt:AsiaPacific


Goodwillus-gaap:
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value7.67.47.31029810310510894
Percentage of Goodwill1.01.00.911.811.411.812.012.312.5
Percentage of Assets0.30.30.33.53.43.63.83.93.7
Percentage of Assets srt:AsiaPacific0.00.00.036.60.00.00.037.848.3

us-gaap:EMEA


Goodwillus-gaap:
Period End2020-09-302019-12-31
Value297285
Percentage of Goodwill37.732.7
Percentage of Assets9.89.6
Percentage of Assets us-gaap:EMEA0.00.0

Indefinite Lived Intangible Assets Excluding Goodwill

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill

us-gaap:TradeNames


Indefinite
Period End2020-12-312019-12-312018-12-312017-12-31
Value11812313075
Percentage of IndefiniteLivedIntangibleAssetsExcludingGoodwill100.0100.0100.0100.0
Percentage of Assets3.94.14.63.0
Percentage of Assets us-gaap:TradeNames0.00.00.00.0

us-gaap:Trademarks


Indefinite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value1161151181151131121231261301291301291161197574726864727264623911101010109.09.0
Percentage of IndefiniteLivedIntangibleAssetsExcludingGoodwill0.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets3.83.93.93.84.04.14.14.44.64.64.64.74.44.53.03.03.13.12.93.23.12.82.71.60.60.50.50.50.50.50.5
Percentage of Assets us-gaap:Trademarks0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value464467487494488485510511533536547558516545394393386368357390389384372260122111125133144143146
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets15.215.915.916.317.317.617.217.918.719.119.520.519.620.815.516.116.616.815.916.916.616.916.310.86.25.86.26.77.47.37.4

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value347351368378375373387385403406416428400426318318314299292317317319310221111101115122134134137
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets11.411.912.012.513.213.513.113.414.214.514.815.715.216.212.513.013.513.713.013.813.614.113.69.25.65.35.76.26.86.86.9

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:CustomerRelationships


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value26927228529829429230530331832133033931333125024924623422724424524523816059505761666869
Percentage of FiniteLivedIntangibleAssetsNet77.477.477.478.778.578.578.778.978.979.079.479.178.377.678.578.478.378.377.677.277.176.876.972.453.449.849.949.749.750.950.8
Percentage of Assets8.89.29.39.810.410.610.310.611.211.511.812.411.912.69.910.210.510.710.110.610.410.810.46.63.02.62.93.13.43.53.5
Percentage of Assets us-gaap:CustomerRelationships0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherIntangibleAssets


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value1615151211109.57.57.06.13.03.02.86.33.02.62.11.81.62.92.50.60.08.00.00.00.00.00.00.00.0
Percentage of FiniteLivedIntangibleAssetsNet4.84.54.33.43.12.72.41.91.71.50.70.70.71.50.90.80.70.60.50.90.80.20.03.60.00.00.00.00.00.00.0
Percentage of Assets0.50.50.50.40.40.40.30.30.20.20.10.10.10.20.10.10.10.10.10.10.10.00.00.30.00.00.00.00.00.00.0
Percentage of Assets us-gaap:OtherIntangibleAssets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Patents


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value31333435373840404243454543462223232222242526256.64.14.24.65.25.92.82.8
Percentage of FiniteLivedIntangibleAssetsNet9.29.49.49.410.110.310.310.610.610.710.910.711.010.87.17.27.37.47.87.87.98.38.33.03.74.14.04.24.42.12.0
Percentage of Assets1.01.11.11.21.31.41.41.41.51.61.61.71.71.80.90.91.01.01.01.11.11.21.10.30.20.20.20.30.30.10.1
Percentage of Assets us-gaap:Patents0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Trademarks


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value30303232313133333535374040434243434041444547454647465356616364
Percentage of FiniteLivedIntangibleAssetsNet8.78.78.98.58.48.58.58.68.88.89.09.510.010.113.513.613.713.714.114.114.214.814.821.042.946.146.146.145.947.147.1
Percentage of Assets1.01.01.11.11.11.21.11.21.21.31.31.51.51.61.71.81.81.91.81.91.92.12.01.92.42.42.62.83.13.23.3
Percentage of Assets us-gaap:Trademarks0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Deferred Tax Assets Liabilities Net

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:DeferredTaxAssetsLiabilitiesNet


Deferred
Period End2020-12-312019-12-312018-12-312016-12-312015-12-312014-12-312013-12-31
Value58437.7153.06675
Percentage of DeferredTaxAssetsLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.91.50.30.70.13.33.8

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value87919295737581808182
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.93.13.03.12.62.72.72.82.92.9

us-gaap:OperatingLeaseRightOfUseAsset alle:Alle_LeaseArrangementTypeAxis

us-gaap:Equipment


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value323332322323
Percentage of OperatingLeaseRightOfUseAsset36.636.735.333.731.629.4
Percentage of Assets1.01.11.11.10.80.8
Percentage of Assets us-gaap:Equipment0.00.00.00.00.00.0

us-gaap:RealEstate


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value555759635057
Percentage of OperatingLeaseRightOfUseAsset63.463.364.766.368.470.6
Percentage of Assets1.82.01.92.11.81.9
Percentage of Assets us-gaap:RealEstate0.00.00.00.00.00.0

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssetsNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value354339196328297288177278272260871471331246612712111845151171221147221208207126202207204202
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets11.611.56.410.910.510.56.09.79.69.33.15.45.14.72.65.25.25.42.06.67.39.86.49.210.510.76.310.210.510.310.2

us-gaap:OtherAssetsNoncurrent us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Other
Period End2020-12-312019-12-31
Value3729
Percentage of OtherAssetsNoncurrent19.016.5
Percentage of Assets1.21.0
Percentage of Assets us-gaap:ForeignPlan us-gaap:PensionPlansDefinedBenefit0.00.0

Accounts Payable Current

us-gaap:AccountsPayableCurrent

us-gaap:AccountsPayableCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value233209220191195198221208206198235208210197188177194173179165175162175180233231249222219213211
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.67.17.26.36.97.27.47.37.27.18.47.68.07.57.47.38.37.98.07.27.57.17.77.511.812.012.411.211.210.810.7

Accrued Liabilities Current

us-gaap:AccruedLiabilitiesCurrent

us-gaap:AccruedLiabilitiesCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value331295189297267254174282275252135243227219134219195178117220245194124196183201120211186177207
Percentage of AccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.810.06.29.89.49.25.99.99.79.04.88.98.78.35.39.08.48.25.29.510.58.65.58.19.210.46.010.69.59.010.5

Debt Current

us-gaap:DebtCurrent

us-gaap:DebtCurrent


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value0.10.10.20.20.83.40.10.13535353535353535464748474849655961494930307071
Percentage of DebtCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.10.00.01.21.31.31.31.31.31.41.42.02.22.12.02.12.22.92.43.12.62.51.51.63.63.6

Liabilities Current

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value564505521489463456507491517485520486473452460432436398429432469406447517479482531464437461490
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets18.417.217.016.216.416.617.117.118.117.318.517.818.017.218.117.718.718.219.118.720.017.919.621.524.125.026.423.322.223.324.8

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value27272727242425252527
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.90.90.90.90.90.90.90.90.91.0

us-gaap:OperatingLeaseLiabilityCurrent alle:Alle_LeaseArrangementTypeAxis

us-gaap:Equipment


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value131312121010
Percentage of OperatingLeaseLiabilityCurrent48.048.046.744.742.540.3
Percentage of Assets0.40.50.40.40.40.4
Percentage of Assets us-gaap:Equipment0.00.00.00.00.00.0

us-gaap:RealEstate


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value141414151415
Percentage of OperatingLeaseLiabilityCurrent52.052.053.355.357.559.7
Percentage of Assets0.50.50.50.50.50.5
Percentage of Assets us-gaap:RealEstate0.00.00.00.00.00.0

us-gaap:OperatingLeaseLiabilityCurrent us-gaap:BalanceSheetLocation

us-gaap:OtherCurrentLiabilities


Operating
Period End2020-12-312019-12-31
Value2725
Percentage of OperatingLeaseLiabilityCurrent100.0100.0
Percentage of Assets0.90.9
Percentage of Assets us-gaap:OtherCurrentLiabilities0.00.0

Other Accrued Liabilities Current

us-gaap:OtherAccruedLiabilitiesCurrent us-gaap:FairValueByLiabilityClass

us-gaap:OtherAccruedLiabilitiesCurrent

alle:CustomerClaimaccrual


Other
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value4836313229
Percentage of OtherAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0
Percentage of Assets1.61.21.11.31.3
Percentage of Assets alle:CustomerClaimaccrual0.00.00.00.00.0

alle:SalesIncentiveaccrual


Other
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value3537333129
Percentage of OtherAccruedLiabilitiesCurrent72.0101.9107.397.8102.1
Percentage of Assets1.11.31.21.31.3
Percentage of Assets alle:SalesIncentiveaccrual0.00.00.00.00.0

Taxes Payable Current

us-gaap:TaxesPayableCurrent

us-gaap:TaxesPayableCurrent


Taxes
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value181220182.7
Percentage of TaxesPayableCurrent100.0100.0100.0100.0100.0
Percentage of Assets0.60.40.70.70.1

Long Term Debt Noncurrent

us-gaap:LongTermDebtNoncurrent

us-gaap:LongTermDebtNoncurrent


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value1430142914291428142814281427142713931401140914171425147414421412139414041415142614371446147915751190120212151249125612641272
Percentage of LongTermDebtNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets46.748.546.647.250.451.848.149.848.950.050.251.954.256.156.757.759.764.363.061.861.363.764.865.459.862.460.362.763.963.964.2

Debt And Capital Lease Obligations

us-gaap:DebtAndCapitalLeaseObligations

us-gaap:DebtAndCapitalLeaseObligations


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value1430142914291429142914311427142714281436144414521461150914771447144114511463147314851496154516341252125212641279128713341343
Percentage of DebtAndCapitalLeaseObligations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets46.748.546.647.250.451.948.149.850.151.351.453.255.557.458.159.161.766.465.163.963.365.967.667.962.965.062.764.265.467.567.9

Deferred Income Tax Liabilities Net

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:DeferredIncomeTaxLiabilitiesNet


Deferred
Period End2020-12-312019-12-312018-12-31
Value105107115
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0
Percentage of Assets3.43.64.1

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value3.43.33.22.82.52.53.02.23.13.73.02.12.75.13.94.94.13.63.13.73.64.04.11325212336313231
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.10.10.10.10.10.10.10.10.10.10.20.20.20.20.20.10.20.20.20.20.61.31.11.21.81.61.61.6

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value278281100282261259762602752762822622424023231234227322922953396328724724171272285280273
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.19.53.39.39.29.42.69.19.79.91.08.38.59.20.99.410.010.41.512.712.614.92.812.012.412.53.513.714.514.213.8

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value61656668485155555555
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.02.22.22.31.71.81.91.92.02.0

us-gaap:OperatingLeaseLiabilityNoncurrent alle:Alle_LeaseArrangementTypeAxis

us-gaap:Equipment


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value182019191213
Percentage of OperatingLeaseLiabilityNoncurrent30.731.029.929.025.824.3
Percentage of Assets0.60.70.60.70.40.5
Percentage of Assets us-gaap:Equipment0.00.00.00.00.00.0

us-gaap:RealEstate


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value424546483642
Percentage of OperatingLeaseLiabilityNoncurrent69.369.070.171.074.275.7
Percentage of Assets1.41.51.51.61.31.4
Percentage of Assets us-gaap:RealEstate0.00.00.00.00.00.0

us-gaap:OperatingLeaseLiabilityNoncurrent us-gaap:BalanceSheetLocation

us-gaap:OtherNoncurrentLiabilities


Operating
Period End2020-12-312019-12-31
Value6655
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0
Percentage of Assets2.21.9
Percentage of Assets us-gaap:OtherNoncurrentLiabilities0.00.0

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value17162322232221262422
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.60.60.80.70.80.80.70.90.80.8

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo alle:Alle_LeaseArrangementTypeAxis

us-gaap:Equipment


Lessee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value7.66.99.88.69.3
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo43.241.641.538.939.1
Percentage of Assets0.20.20.30.30.3
Percentage of Assets us-gaap:Equipment0.00.00.00.00.0

us-gaap:RealEstate


Lessee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value10.09.7131314
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo56.858.458.561.160.9
Percentage of Assets0.30.30.40.40.5
Percentage of Assets us-gaap:RealEstate0.00.00.00.00.0

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value11101413161414191715
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.40.40.50.40.60.50.50.70.60.5

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree alle:Alle_LeaseArrangementTypeAxis

us-gaap:Equipment


Lessee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value4.03.75.54.65.7
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree35.734.637.734.135.2
Percentage of Assets0.10.10.20.20.2
Percentage of Assets us-gaap:Equipment0.00.00.00.00.0

us-gaap:RealEstate


Lessee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value7.27.09.18.910
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree64.365.462.365.964.8
Percentage of Assets0.20.20.30.30.4
Percentage of Assets us-gaap:RealEstate0.00.00.00.00.0

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value8.07.89.79.18.57.87.712119.7
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.30.30.30.30.30.30.40.40.3

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour alle:Alle_LeaseArrangementTypeAxis

us-gaap:Equipment


Lessee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value2.12.03.22.82.2
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour26.225.633.030.825.9
Percentage of Assets0.10.10.10.10.1
Percentage of Assets us-gaap:Equipment0.00.00.00.00.0

us-gaap:RealEstate


Lessee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value5.95.86.56.36.3
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour73.874.467.069.274.1
Percentage of Assets0.20.20.20.20.2
Percentage of Assets us-gaap:RealEstate0.00.00.00.00.0

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value7100000.04600000.04300000.04300000.06700000.06300000.05400000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.20.20.10.20.20.2

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive alle:Alle_LeaseArrangementTypeAxis

us-gaap:Equipment


Lessee
Period End2020-12-312020-06-30
Value1800000.0900000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive25.419.6
Percentage of Assets0.10.0
Percentage of Assets us-gaap:Equipment0.00.0

us-gaap:RealEstate


Lessee
Period End2020-12-312020-06-30
Value5300000.03700000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive74.680.4
Percentage of Assets0.20.1
Percentage of Assets us-gaap:RealEstate0.00.0

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value19151515181817
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.60.60.60.50.60.70.6

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive alle:Alle_LeaseArrangementTypeAxis

us-gaap:RealEstate


Lessee
Period End2020-12-312020-06-30
Value1915
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.099.4
Percentage of Assets0.60.5
Percentage of Assets us-gaap:RealEstate0.00.0

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value98103104107838592919394
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.23.53.43.52.93.13.13.23.33.4

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue alle:Alle_LeaseArrangementTypeAxis

us-gaap:Equipment


Lessee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value3334333324
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue33.633.632.331.229.1
Percentage of Assets1.11.21.11.10.9
Percentage of Assets us-gaap:Equipment0.00.00.00.00.0

us-gaap:RealEstate


Lessee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value6568717359
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue66.466.467.768.870.9
Percentage of Assets2.12.32.32.42.1
Percentage of Assets us-gaap:RealEstate0.00.00.00.00.0

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value9.7101111
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0100.0100.0100.0
Percentage of Assets0.30.30.40.4

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value78472782982467761175768566063365159650645640136726515111315113973251447-19.8-4.8-30.7-42.2-60.4-86.8
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets25.624.727.027.223.922.225.523.923.222.623.221.919.217.415.815.011.46.95.06.65.93.21.10.62.4-1.0-0.2-1.5-2.1-3.1-4.4

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value787731832827680613760687663637654599508461405372269155116155142772928721.5186.0-11.2-28.3-55.713011424140413661454
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets25.724.827.127.324.022.325.624.023.322.823.321.919.317.516.015.211.57.15.26.76.13.41.31.23.70.10.90.3-0.6-1.4-2.80.00.00.00.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value-178.7-189.1-157.1-206.8-231.0-251.4-218.6-273.0-233.1-238.8-223.5-188.2-175.9-126.8-152.9-264.3-232.2-148.2-96.7-7.7-29.1
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-22.7-25.9-18.9-25.0-34.0-41.0-28.7-39.7-35.1-37.5-34.2-31.4-34.6-27.5-37.7-227.1-781.8-801.1173.6-0.6-2.0
Percentage of Assets-5.8-6.4-5.1-6.8-8.2-9.1-7.4-9.5-8.2-8.5-8.0-6.9-6.7-4.8-6.0-11.8-10.2-7.4-4.90.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value6.81.60.00.00.00.00.00.0125.20.09.10.0240.0280.00.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.80.20.00.00.00.00.00.02.01.00.02.20.082.20.0-51.20.00.0
Percentage of Assets0.20.10.00.00.00.00.00.00.40.20.00.40.01.10.01.40.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value0.90.90.90.90.90.90.90.90.90.90.91.00.90.91.01.01.01.01.00.00.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.10.10.10.10.10.10.10.10.10.10.10.20.20.20.20.93.45.4-1.80.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value3.43.33.22.82.52.53.02.23.13.73.02.12.75.13.94.94.13.63.13.73.64.04.113252123363132313224222322
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.40.50.40.30.40.40.40.30.50.60.50.40.51.11.01.31.52.32.72.42.55.113.848.234.91420.0125.9611.7-276.8-113.4-55.82.51.71.61.71.5
Percentage of Assets0.10.10.10.10.10.10.10.10.10.10.10.10.10.20.20.20.20.20.10.20.20.20.20.61.31.11.21.81.61.61.60.00.00.00.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value96191598510239068619759578928718737716755815443762321421.10.00.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest122.1125.3118.4123.7133.2140.4128.2139.3134.5136.7133.6128.9132.8126.2134.3323.5782.5769.7-2.00.00.0
Percentage of Assets31.431.132.133.832.031.332.933.431.331.131.128.325.722.121.416.810.27.10.10.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value900000.0900000.0900000.0900000.0900000.0900000.0900000.0900000.0900000.0900000.0900000.01000000.0900000.0900000.01000000.01000000.0900000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.00.10.10.10.1

Additional Paid In Capital Common Stock

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AdditionalPaidInCapitalCommonStock


Additional
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value6.81.60.00.00.00.00.00.0125.20.09.1
Percentage of AdditionalPaidInCapitalCommonStock100.0100.00.00.00.00.00.00.0100.0100.00.0100.0
Percentage of Assets0.20.10.00.00.00.00.00.00.40.20.00.4

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value96191598510239068619759578928718737716755815445434684013763503602772321702071521429555280.4
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets31.431.132.133.832.031.332.933.431.331.131.128.325.722.121.422.220.118.416.815.215.412.210.27.110.47.97.14.82.81.40.0

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value-178.7-189.1-157.1-206.8-231.0-251.4-218.6-273.0-233.1-238.8-223.5-188.2-175.9-126.8-152.9-182.5-204.5-251.4-264.3-216.8-231.2-205.7-232.2-174.6-173.1-178.7-148.2-129.7-104.3-109.8-96.6-56.4-17.0-26.9-7.7-29.1
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-5.8-6.4-5.1-6.8-8.2-9.1-7.4-9.5-8.2-8.5-8.0-6.9-6.7-4.8-6.0-7.5-8.8-11.5-11.8-9.4-9.9-9.1-10.2-7.2-8.7-9.3-7.4-6.5-5.3-5.6-4.90.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value-118.4-119.3-120.3-121.3-119.3-120.4-126.2-116.5-120.2-124.3-123.2-102.5-104.2-108.9-107.6-124.0-122.7-120.8-120.5-124.4-127.4-134.9-139.3-111.8-115.4-112.2-116.1-123.3-132.7-132.0-131.3-92.4-89.6-90.6-95.7-90.5
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax66.363.176.658.751.647.957.742.751.652.155.154.559.285.970.467.960.048.145.657.455.165.660.064.066.762.878.395.1127.2120.2135.9163.8527.1336.81242.9311.0
Percentage of Assets-3.9-4.0-3.9-4.0-4.2-4.4-4.3-4.1-4.2-4.4-4.4-3.8-4.0-4.1-4.2-5.1-5.3-5.5-5.4-5.4-5.4-5.9-6.1-4.6-5.8-5.8-5.8-6.2-6.7-6.7-6.60.00.00.00.00.0
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetGainLossFromCashFlowHedgesIncludingPortionAttributableToNoncontrollingInterest


Accumulated
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value-0.6-0.90.10.32.00.51.11.53.96.15.66.76.33.81.91.93.53.4
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax0.30.6-0.0-0.1-0.8-0.2-0.4-0.6-1.6-2.7-3.0-3.8-5.0-2.5-1.0-0.9-1.4-1.3
Percentage of Assets-0.0-0.00.00.00.10.00.00.10.10.20.20.30.20.10.10.10.20.2
Percentage of Assets us-gaap:AccumulatedNetGainLossFromCashFlowHedgesIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value-0.90.56.13.83.4
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax0.6-0.2-2.7-2.5-1.3
Percentage of Assets-0.00.00.20.10.2
Percentage of Assets us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges0.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value-60.3-69.2-35.9-85.6-112.0-133.0-92.9-157.6-114.4-118.4-106.4-91.3-78.4-24.2-49.1-60.4-83.7-134.1-147.2-91.4-98.7-75.6-106.9-85.8-76.2-86.7-47.8-23.6145.9182059507756
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax33.736.622.941.448.552.942.557.749.149.647.648.544.619.132.133.140.953.355.742.242.736.846.049.144.048.532.318.2-14.1-5.4-18.6-35.5-347.1-188.1-1001.3-193.1
Percentage of Assets-2.0-2.3-1.2-2.8-4.0-4.8-3.1-5.5-4.0-4.2-3.8-3.3-3.0-0.9-1.9-2.5-3.6-6.1-6.5-4.0-4.2-3.3-4.7-3.6-3.8-4.5-2.4-1.20.70.30.90.00.00.00.00.0
Percentage of Assets us-gaap:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value3.43.33.22.82.52.53.02.23.13.73.02.12.75.13.94.94.13.63.13.73.64.04.11325212336313231
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.10.10.10.10.10.10.10.10.10.10.20.20.20.20.20.10.20.20.20.20.61.31.11.21.81.61.61.6

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

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value9.74.45.21.6124.26.87.13.37.15.26.43.0170.0-5.03.54.34.24.64.33.43.33.63.43.23.13.4
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value9.74.45.21.6124.26.87.17.05.26.0
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.098.6100.093.8
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.0

Minority Interest Decrease From Distributions To Noncontrolling Interest Holders

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders


Minority
Period End2021-06-302020-06-302019-06-302018-12-312018-09-302018-06-302017-12-312017-09-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-312013-09-302013-06-302013-03-31
Value0.10.20.11.60.00.21.70.0-0.10.10.02.79.3100.00.30.00.00.02.40.02.8
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.00.0100.0100.00.0100.0100.00.0100.0100.0100.00.0100.00.00.00.0100.00.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Minority
Period End2021-06-302020-06-302019-06-302018-12-312018-09-302018-06-302017-12-312017-09-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-312013-09-302013-06-302013-03-31
Value0.10.20.11.60.00.21.70.0-0.10.10.02.79.3100.00.30.00.00.02.40.02.8
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.00.0100.0100.00.0100.0100.00.0100.0100.0100.00.0100.00.00.00.0100.00.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value1551112001619730208172119-12.6197141128-10.1177106104-40.919977102-0.813192284.48310864-0.96698580.4
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax20.816.127.622.216.54.629.023.016.4-1.928.119.918.3-1.628.417.416.7-7.534.913.317.4-0.224.117.05.51.014.619.812.2-0.212.218.611.10.1

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-14.1-4.6-17.4-8.7-11.8-18.8-21.6-19.8-18.5-17.7-35.1-107.4-16.4-284.9-14.1-10.21.9-27.8-14.7-10.8-35.7-2.80.6-467.9-52.1-14.4-13.9-12.76.1-14.3-31.119-2.8-4.1
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.9-0.7-2.4-1.2-2.0-2.8-3.0-2.6-2.5-2.7-5.0-15.1-2.3-46.5-2.3-1.70.3-5.1-2.6-1.9-6.1-0.60.1-85.9-10.0-3.1-2.4-2.31.1-3.0-5.73.6-0.5-0.9

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value-77.90000000000003-187.2-142.6-30.1-32.4-116.8-67.8-73.8-101.4-99.2-66.5
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-10.4-27.0-19.6-4.1-5.5-17.3-9.4-9.9-13.9-15.1-9.5

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value65-86.14912655-110.0122750.6-130.0946.937-314.4131
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.8-12.46.817.49.4-16.317.010.00.1-19.813.41.05.4-51.321.1

Increase Decrease In Other Operating Capital Net

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet


Increase
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-31
Value-16.4178.7-3.685-19.510113-5.38.21051.31776261076-1.64851-31.31.750-35.71452
Percentage of IncreaseDecreaseInOtherOperatingCapitalNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value1551112001619730208172119-12.6197141128-10.1177106104-40.919977102-0.813192284.48310864-0.96698580.4
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax20.816.127.622.216.54.629.023.016.4-1.928.119.918.3-1.628.417.416.7-7.534.913.317.4-0.224.117.05.51.014.619.812.2-0.212.218.611.10.1

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value11810893146730.48013110980132116113729.68910568741.6955771-27.363453560433510-78.16039
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.915.612.820.212.50.111.217.614.912.218.916.316.211.81.514.716.812.513.10.316.211.513.2-5.012.39.96.211.08.27.52.0-14.811.48.3

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value11810893146730.5801311098013211611472129010568752.0955872-26.46543226547379.3-68.06241
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.915.612.820.212.50.111.217.615.012.318.916.316.211.81.914.816.912.513.20.316.311.713.2-4.812.59.53.912.08.87.91.7-12.911.88.7

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Profit
Period End2021-06-302021-03-312020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value0.10.20.00.10.10.10.10.10.10.22.50.30.30.30.20.40.41.10.10.91.1-1.7-13.25.33.51.8-1.4102.21.6
Percentage of ProfitLoss0.10.20.020.00.10.10.10.10.10.320.70.30.30.40.320.00.41.90.1-3.41.7-3.9-58.48.17.44.8-15.1-14.93.53.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.00.00.00.00.00.00.40.00.00.10.00.10.10.20.00.20.2-0.4-2.31.00.70.4-0.31.90.40.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value118108146730.41311098011611372
Percentage of ProfitLoss99.999.8100.0100.080.099.999.999.999.999.999.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.915.620.212.50.117.614.912.216.316.211.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-14.1-4.6-17.4-8.7-11.8-18.8-21.6-19.8-18.5-17.7-35.1-107.4-16.4-284.9-14.1-10.21.9-27.8-14.7-10.8-35.7-2.80.6-467.9-52.1-14.4-13.9-12.76.1-14.3-31.119-2.8-4.1
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.9-0.7-2.4-1.2-2.0-2.8-3.0-2.6-2.5-2.7-5.0-15.1-2.3-46.5-2.3-1.70.3-5.1-2.6-1.9-6.1-0.60.1-85.9-10.0-3.1-2.4-2.31.1-3.0-5.73.6-0.5-0.9

Payments To Acquire Productive Assets

us-gaap:PaymentsToAcquireProductiveAssets

us-gaap:PaymentsToAcquireProductiveAssets


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value116.3138.8999999999999971211162017121710128.71512137.8169.99.17.47.98.79.29.41113169.28.23.33.45.3
Percentage of PaymentsToAcquireProductiveAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value-77.90000000000003-187.2-142.6-30.1-32.4-116.8-67.8-73.8-101.4-99.2-66.5
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-10.4-27.0-19.6-4.1-5.5-17.3-9.4-9.9-13.9-15.1-9.5

Repayments Of Long Term Debt

us-gaap:RepaymentsOfLongTermDebt

us-gaap:RepaymentsOfLongTermDebt


Repayments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value0.00.10.00.00.04008.98.88.88.89.18.81730.01111-6.61328114160.012129897.5
Percentage of RepaymentsOfLongTermDebt0.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0

Payments Of Dividends Common Stock

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsOfDividendsCommonStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value323229292929252525251919201915151515111111119.69.69.69.57.47.77.77.20.00.00.00.0
Percentage of PaymentsOfDividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value501491140.00.09446466963370.00.0300.00.03030550.00.0300.00.00.0300.020300.00.00.0
Percentage of PaymentsForRepurchaseOfCommonStock100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.00.00.0100.00.00.0100.0100.0100.00.00.0100.00.00.00.0100.00.0100.0100.00.00.00.0

us-gaap:PaymentsForRepurchaseOfCommonStock us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Payments
Period End2021-06-302021-03-312020-03-312019-09-302019-06-302019-03-312018-03-31
Value9.74.4124.26.87.115
Percentage of PaymentsForRepurchaseOfCommonStock19.42.913.09.19.711.150.3

us-gaap:RetainedEarnings


Payments
Period End2021-06-302021-03-312020-03-312019-09-302019-06-302019-03-312018-03-31
Value401458141635614
Percentage of PaymentsForRepurchaseOfCommonStock80.697.187.090.990.388.949.3

Debt Instrument Interest Rate Stated Percentage

us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:DebtInstrumentInterestRateStatedPercentage

alle:ThreePointFiveFivePercentSeniorNoteDue2027, us-gaap:SeniorNotes


Debt
Period End2020-12-31
Value3.55
Percentage of DebtInstrumentInterestRateStatedPercentage100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations alle:ThreePointFiveFivePercentSeniorNoteDue2027 us-gaap:SeniorNotes0.0

alle:ThreePointFivePercentSeniorNoteDue2029, us-gaap:SeniorNotes


Debt
Period End2020-12-31
Value3.5
Percentage of DebtInstrumentInterestRateStatedPercentage98.6
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations alle:ThreePointFivePercentSeniorNoteDue2029 us-gaap:SeniorNotes0.0

alle:ThreePointTwoZeroPercentSeniorNoteDue2024, us-gaap:SeniorNotes


Debt
Period End2020-12-31
Value3.2
Percentage of DebtInstrumentInterestRateStatedPercentage90.1
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations alle:ThreePointTwoZeroPercentSeniorNoteDue2024 us-gaap:SeniorNotes0.0

Effective Income Tax Rate Continuing Operations

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:EffectiveIncomeTaxRateContinuingOperations


Effective
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value12.811.7-0.98.00.1620.9580.0050.1250.1690.158-0.0470.1080.1340.160.1340.1960.1410.165-0.0490.9050.180.216-0.12-2.8530.2260.220.0210.2870.2950.3030.051-2.0590.3690.323
Percentage of EffectiveIncomeTaxRateContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber

us-gaap:EmployeeStockOption


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value760140.0863620.0957200.01051900.01313100.01592200.01962000.02482100.01102100.01279600.0
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:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:EmployeeStockOption


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value85.1867.5756.7147.839.8733.9128.1125.2137.7735.49
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value2051581226285110104117
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value41374229322325406363
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value25924135731222513350465.89.7
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

alle:MiscellaneousOtherNonoperatingIncomeExpense

alle:MiscellaneousOtherNonoperatingIncomeExpense


Miscellaneous
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value1.52.7-1.1113.7-3.61.0-0.10.61.60.50.00.0-0.2-10.63.20.20.0-28.8-0.36.67.8-13.52.7-0.3-0.1-2.30.20.20.10.1-0.20.2-0.1
Percentage of MiscellaneousOtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

alle:PSUswithamaximumawardlevelgranted us-gaap:AwardType

alle:PSUswithamaximumawardlevelgranted

us-gaap:PerformanceShares


P
Period End2021-06-302021-03-31
Value0100000.0
Percentage of PSUswithamaximumawardlevelgranted0.0100.0

us-gaap:AllocatedShareBasedCompensationExpenseNetOfTax

us-gaap:AllocatedShareBasedCompensationExpenseNetOfTax


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value5.49.05.35.22.87.04.53.14.18.91.44.35.16.12.42.93.14.11.83.53.13.43.61.92.22.72.72.12.52.21.71.11.31.1
Percentage of AllocatedShareBasedCompensationExpenseNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetImpairmentCharges

us-gaap:AssetImpairmentCharges


Asset
Period End2020-09-302020-06-302020-03-312019-06-302019-03-31
Value2.60.0960.00.0
Percentage of AssetImpairmentCharges100.00.0100.00.00.0

us-gaap:CommonStockDividendsPerShareDeclared us-gaap:SubsequentEventType

us-gaap:CommonStockDividendsPerShareDeclared

us-gaap:SubsequentEvent


Common
Period End2021-04-082019-02-052018-02-072014-04-09
Value0.360.270.210.08
Percentage of CommonStockDividendsPerShareDeclared100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanAdministrationExpenses us-gaap:RetirementPlanSponsorLocation

us-gaap:DefinedBenefitPlanAdministrationExpenses

country:US


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value300000.0300000.0200000.0400000.0500000.0500000.0400000.0400000.0
Percentage of DefinedBenefitPlanAdministrationExpenses100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignPlan


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value500000.0500000.0400000.0300000.0400000.0300000.0400000.0300000.0
Percentage of DefinedBenefitPlanAdministrationExpenses166.7166.7200.075.080.060.0100.075.0

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses us-gaap:RetirementPlanSponsorLocation

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses

country:US


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-900000.0-900000.0-900000.0-700000.0-1000000.0-1000000.0-1200000.0-1400000.0-1100000.0-1000000.0
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignPlan


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-300000.0-400000.0-300000.0-300000.0-300000.0-400000.0-400000.0-300000.0-400000.0-300000.0
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses33.344.433.342.930.040.033.321.436.430.0

us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit us-gaap:RetirementPlanSponsorLocation

us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit

country:US


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0100000.00100000.00100000.0100000.00100000.0100000.0
Percentage of DefinedBenefitPlanAmortizationOfPriorServiceCostCredit0.0100.00.0100.00.0100.0100.00.0100.0100.0

us-gaap:ForeignPlan


Defined
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value100000.00100000.0000100000.00100000.0
Percentage of DefinedBenefitPlanAmortizationOfPriorServiceCostCredit0.00.0100.00.00.00.00.00.0100.0

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets us-gaap:RetirementPlanSponsorLocation

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets

country:US


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value3.43.53.73.53.63.73.13.13.13.2
Percentage of DefinedBenefitPlanExpectedReturnOnPlanAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignPlan


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value3.43.52.93.33.23.33.33.23.33.2
Percentage of DefinedBenefitPlanExpectedReturnOnPlanAssets100.0100.078.494.388.989.2106.5103.2106.5100.0

us-gaap:DefinedBenefitPlanInterestCost us-gaap:RetirementPlanSponsorLocation

us-gaap:DefinedBenefitPlanInterestCost

country:US


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1.71.72.42.32.52.42.93.12.82.9
Percentage of DefinedBenefitPlanInterestCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignPlan


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1.21.31.51.71.71.72.32.12.22.2
Percentage of DefinedBenefitPlanInterestCost70.676.562.573.968.070.879.367.778.675.9

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost us-gaap:RetirementPlanSponsorLocation

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost

country:US


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1.21.21.81.02.22.23.13.82.82.7
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignPlan


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-0.8-0.7-0.3-0.3-0.4-0.31.00.11.50.1
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost-66.7-58.3-16.7-30.0-18.2-13.632.32.653.63.7

us-gaap:DefinedBenefitPlanServiceCost us-gaap:RetirementPlanSponsorLocation

us-gaap:DefinedBenefitPlanServiceCost

country:US


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1700000.01700000.01700000.01200000.01900000.01900000.01600000.01900000.01500000.01500000.0
Percentage of DefinedBenefitPlanServiceCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignPlan


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value500000.0600000.0200000.0500000.0500000.0500000.0500000.0400000.0400000.0400000.0
Percentage of DefinedBenefitPlanServiceCost29.435.311.841.726.326.331.221.126.726.7

us-gaap:DepreciationAmortizationAndAccretionNet

us-gaap:DepreciationAmortizationAndAccretionNet


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value20212020191920212020202023221717161616171716151212121212121211111111
Percentage of DepreciationAmortizationAndAccretionNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet

us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet


Derivative
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-30
Value1500000.01800000.02200000.0300000.01300000.01200000.02100000.02900000.0700000.01900000.01100000.0800000.0400000.01000000.01900000.01100000.01200000.0-1100000.02000000.03300000.01000000.0800000.04700000.01700000.002500000.0600000.0-400000.0900000.0600000.0
Percentage of DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation

us-gaap:ForwardContracts, us-gaap:CostOfSales


Derivative
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value900000.0300000.01700000.02100000.00200000.01300000.02000000.01300000.0400000.0
Percentage of DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet0.00.094.495.50.016.761.969.068.436.4

us-gaap:InterestRateSwap, us-gaap:InterestExpense


Derivative
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-30
Value0100000.0100000.0300000.0400000.01000000.0800000.0900000.0700000.0600000.0700000.0200000.0-300000.000000000000000000
Percentage of DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet0.05.64.5100.030.883.338.131.0100.031.663.625.0-75.00.00.00.00.0-0.00.00.00.00.00.00.00.00.00.0-0.00.00.0

us-gaap:DisposalGroupNotDiscontinuedOperationLossGainOnWriteDown

us-gaap:DisposalGroupNotDiscontinuedOperationLossGainOnWriteDown


Disposal
Period End2020-12-31
Value37
Percentage of DisposalGroupNotDiscontinuedOperationLossGainOnWriteDown100.0

us-gaap:DividendsCommonStockCash

us-gaap:DividendsCommonStockCash


Dividends
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-31
Value32322929292525252020191515151111119.69.59.67.67.77.7
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStockCash us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Dividends
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value3232292929252525202019
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EffectOfExchangeRateOnCashAndCashEquivalents

us-gaap:EffectOfExchangeRateOnCashAndCashEquivalents


Effect
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value2200000.0-6100000.03900000.02600000.0-5200000.0-3700000.0900000.0-500000.0-900000.0-5100000.01500000.0400000.01800000.03600000.01900000.0-6500000.00-2500000.04200000.0-1700000.0-3700000.0600000.0-4200000.0-1500000.0-2500000.0-600000.0-3400000.0-7800000.016600000.06500000.0-18200000.0
Percentage of EffectOfExchangeRateOnCashAndCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EffectOnFutureCashFlowsAmount us-gaap:Range

us-gaap:EffectOnFutureCashFlowsAmount

srt:Maximum


Effect
Period End2020-09-30
Value-10.0
Percentage of EffectOnFutureCashFlowsAmount100.0

srt:Minimum


Effect
Period End2020-09-30
Value-10.0
Percentage of EffectOnFutureCashFlowsAmount100.0

us-gaap:EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense

us-gaap:EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense


Employee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value900000.01100000.0700000.0800000.01000000.0400000.0700000.0500000.0600000.01200000.001000000.0400000.0500000.01400000.01500000.01500000.02000000.03500000.01500000.01300000.01400000.01000000.0900000.01200000.01300000.01100000.01100000.01000000.01300000.01100000.0600000.0800000.0700000.0
Percentage of EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions

us-gaap:EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions


Employee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1000000.0300000.0500000.0004000000.01600000.00300000.0900000.0
Percentage of EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions100.0100.0100.00.00.0100.0100.00.0100.0100.0

us-gaap:EnvironmentalRemediationExpense

us-gaap:EnvironmentalRemediationExpense


Environmental
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-31
Value0.00.25.31.00.30.50.10.60.60.40.70.40.60.71.20.50.70.8151.82.11.01.20.90.51.81.10.60.40.80.50.40.6
Percentage of EnvironmentalRemediationExpense0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignCurrencyTransactionGainLossBeforeTax

us-gaap:ForeignCurrencyTransactionGainLossBeforeTax


Foreign
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-0.8-0.40.3-0.20.1-0.9-0.7-0.8-0.50.2-0.70.80.6-0.41.10.1-0.4-0.14.9-0.50.6-3.08.60.2-0.6-3.35.31.70.7-0.1140.00.6-7.5
Percentage of ForeignCurrencyTransactionGainLossBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:GoodwillForeignCurrencyTranslationGainLoss

us-gaap:GoodwillForeignCurrencyTranslationGainLoss


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value3.0-11.112124.7-12.212-16.71.4-4.3-4.3-4.9-21.1106.010196.1
Percentage of GoodwillForeignCurrencyTranslationGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GoodwillForeignCurrencyTranslationGainLoss us-gaap:StatementBusinessSegments

alle:AllegionAmericas


Goodwill
Period End2021-06-302021-03-31
Value0.00.1
Percentage of GoodwillForeignCurrencyTranslationGainLoss0.0-0.9

alle:AllegionInternational


Goodwill
Period End2021-06-302021-03-31
Value3.000000000000001-11.2
Percentage of GoodwillForeignCurrencyTranslationGainLoss100.0100.9

srt:Americas


Goodwill
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.10.1-0.30.2-0.20.10.1
Percentage of GoodwillForeignCurrencyTranslationGainLoss0.82.12.51.61.27.1-2.3

srt:AsiaPacific


Goodwill
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.20.1-7.44.7-5.2-1.91.2
Percentage of GoodwillForeignCurrencyTranslationGainLoss1.62.160.736.431.1-135.7-27.9

us-gaap:GoodwillImpairmentLoss

us-gaap:GoodwillImpairmentLoss


Goodwill
Period End2020-12-312020-09-302020-06-302020-03-312014-12-312014-09-302013-12-312013-09-30
Value0.00.00.0880.00.00.0137
Percentage of GoodwillImpairmentLoss0.00.00.0100.00.00.00.0100.0

us-gaap:GoodwillImpairmentLoss us-gaap:StatementBusinessSegments

srt:AsiaPacific


Goodwill
Period End2020-09-302020-06-302020-03-31
Value0.00.088
Percentage of GoodwillImpairmentLoss0.00.0100.0

us-gaap:GoodwillPeriodIncreaseDecrease

us-gaap:GoodwillPeriodIncreaseDecrease


Goodwill
Period End2021-06-302021-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-12-312015-09-302014-12-312014-09-302014-06-302014-03-31
Value0.0-0.10.0-1.0-2.00.09.3250.1106-0.7-0.21.21.7-98.03250.00.0102.4
Percentage of GoodwillPeriodIncreaseDecrease0.0100.00.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0

us-gaap:GoodwillPeriodIncreaseDecrease us-gaap:StatementBusinessSegments

alle:AllegionAmericas


Goodwill
Period End2021-06-302021-03-31
Value0.0-0.1
Percentage of GoodwillPeriodIncreaseDecrease0.0100.0

us-gaap:ImpairmentOfIntangibleAssetsExcludingGoodwill

us-gaap:ImpairmentOfIntangibleAssetsExcludingGoodwill


Impairment
Period End2020-09-302020-03-31
Value2600000.08200000.0
Percentage of ImpairmentOfIntangibleAssetsExcludingGoodwill100.0100.0

us-gaap:IncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromEquityMethodInvestments


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value0.4-0.70.9-0.10.0-0.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of IncomeLossFromEquityMethodInvestments100.0100.0100.0100.00.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements


Incremental
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value600000.0500000.00400000.0400000.0600000.00700000.0700000.0600000.00700000.0600000.0700000.0100000.0800000.0700000.0800000.0200000.0900000.01000000.01000000.0-100000.00900000.01000000.001000000.01000000.01100000.0100000.0000
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0100.0100.0100.0100.00.00.00.0

us-gaap:InvestmentIncomeInterest

us-gaap:InvestmentIncomeInterest


Investment
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value100000.0100000.0200000.0100000.0500000.0700000.0400000.0400000.0300000.0100000.0400000.0100000.0200000.0600000.0300000.0200000.0100000.00500000.0900000.0500000.0400000.0300000.0500000.0300000.0-1500000.0100000.0100000.0200000.0-900000.000100000.0
Percentage of InvestmentIncomeInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0

us-gaap:LeaseAndRentalExpense

us-gaap:LeaseAndRentalExpense


Lease
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value10111110101010101011
Percentage of LeaseAndRentalExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent

us-gaap:NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value-2000000.0-1900000.0-200000.0-1000000.0-500000.0-500000.03600000.01400000.0900000.0
Percentage of NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeasePayments

us-gaap:OperatingLeasePayments


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value9.49.18.68.58.48.5108.08.18.6
Percentage of OperatingLeasePayments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeasePayments alle:Alle_LeaseArrangementTypeAxis

us-gaap:Equipment


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value4.34.24.03.83.63.65.43.4
Percentage of OperatingLeasePayments45.746.246.544.742.942.451.942.5

us-gaap:RealEstate


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value5.14.94.64.74.84.95.04.6
Percentage of OperatingLeasePayments54.353.853.555.357.157.648.157.5

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-30
Value10-32.73921-33.5-38.53.9-14.3-10.6
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value-0.4-0.1-2.90.14.42.31.9-1.40.83.6-2.0-2.4-2.9-1.2
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax-3.90.3-7.40.5-13.1-6.048.79.8-7.50.00.00.00.00.0

us-gaap:AccumulatedNetGainLossFromCashFlowHedgesIncludingPortionAttributableToNoncontrollingInterest


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value1.70.71.50.02.22.4-2.0-0.91.50.74.10.9-0.31.2
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax16.7-2.13.80.0-6.6-6.2-51.36.3-14.20.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value8.899999999999997-33.34021-40.1-43.24.0-12.0-12.9-54.224235013
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax87.3101.8103.699.5119.7112.2102.683.9121.70.00.00.00.00.0

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax


Other
Period End2020-09-30
Value14
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax100.0

us-gaap:OtherComprehensiveIncomeLossTax

us-gaap:OtherComprehensiveIncomeLossTax


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-30
Value200000.0200000.0100000.0-300000.0500000.0200000.0-1500000.0400000.0100000.0
Percentage of OtherComprehensiveIncomeLossTax100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value0100000.0200000.0200000.0100000.0300000.0-600000.01100000.0300000.0-100000.0400000.0200000.0300000.0300000.0
Percentage of OtherComprehensiveIncomeLossTax0.050.0200.0-66.720.0150.040.0275.0300.00.00.00.00.00.0

us-gaap:AccumulatedNetGainLossFromCashFlowHedgesIncludingPortionAttributableToNoncontrollingInterest


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value200000.0100000.0-100000.0-500000.0400000.0-100000.0-900000.0-700000.0-200000.0-200000.01100000.0-100000.0-600000.00
Percentage of OtherComprehensiveIncomeLossTax100.050.0-100.0166.780.0-50.060.0-175.0-200.00.00.00.00.00.0

us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax

us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value200000.01500000.002200000.0500000.0700000.0-1100000.0-100000.0500000.01500000.0700000.04100000.0
Percentage of OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax us-gaap:DerivativeInstrumentRisk

us-gaap:ForwardContracts


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1700000.0700000.0900000.003000000.0600000.0400000.0600000.00400000.01800000.0
Percentage of OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax0.00.060.00.0136.485.7-36.4-600.00.057.143.9

us-gaap:InterestRateSwap


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0600000.00-800000.0200000.0100000.0-1500000.0-700000.0-1600000.01500000.0300000.02300000.0
Percentage of OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax0.040.00.0-36.440.014.3136.4700.0-320.0100.042.956.1

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsForProceedsFromOtherInvestingActivities


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value2.5-1.7-11.9-0.2-0.87.05.7-0.31.50.83.41.20.0-0.12.9-1.8-0.3-0.8-5.60.92.72.0-0.2-0.1-4.082-1.1-40.6-0.2-15.8-22.6-0.6-1.2
Percentage of PaymentsForProceedsFromOtherInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForRestructuring

us-gaap:PaymentsForRestructuring


Payments
Period End2021-06-302021-03-312020-12-312018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value4.32.24.62.46.10.92.51.51.32.6
Percentage of PaymentsForRestructuring100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value4.4-5.0-3.30.2-0.13.1-1.80.42.6-1.2-3.92.40.1-2.4-8.81.32.62.1-6.14.03.9-5.17.5-16.53.55.23.20.82.8116.5-2.40.0-2.8
Percentage of ProceedsFromPaymentsForOtherFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:ProceedsFromRepaymentsOfDebt

us-gaap:ProceedsFromRepaymentsOfDebt


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-0.1-0.7-2.63.20.1-0.1-8.9-9.0-8.7-9.0-49.631268.7-11.9-12.9-10.8-13.1-12.2-28.3-89.13790.2-12.4-14.9-7.9-47.2-8.01339-0.6-1.31.7
Percentage of ProceedsFromRepaymentsOfDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax


Reclassification
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-31
Value400000.0900000.0-14700000.0-1000000.01200000.0-1200000.0300000.0-600000.0-1600000.0300000.0-600000.0100000.01800000.0-8200000.0-7400000.0-900000.0-1700000.0-400000.0-1000000.02500000.0-1100000.0700000.0700000.0800000.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Reclassification
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-31
Value1300000.01200000.01100000.01200000.01500000.01700000.01600000.01400000.01200000.01000000.01100000.01300000.01300000.01200000.0700000.01600000.01700000.01300000.01300000.01300000.0900000.02700000.0-700000.01000000.01100000.01000000.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax325.0133.3-7.5-120.0125.0-141.7533.3-233.3-75.00.00.0433.3-216.71200.038.9-19.5-23.0-144.4-76.5-325.0-90.0108.063.6142.9157.1125.0

us-gaap:AccumulatedNetGainLossFromCashFlowHedgesIncludingPortionAttributableToNoncontrollingInterest


Reclassification
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value-900000.0-300000.0-1800000.0-2200000.0-300000.0-2900000.0-1300000.0-2000000.0-2800000.0-500000.0-500000.0-1000000.0-1900000.0-1100000.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax-225.0-33.312.2220.0-25.0241.7-433.3333.3175.00.00.0-333.3316.7-1100.0

us-gaap:AccumulatedTranslationAdjustment


Reclassification
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-31
Value-14000000.000000000000000000000000
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax95.2-0.00.0-0.00.0-0.0-0.00.00.00.0-0.00.00.0-0.0-0.0-0.0-0.0-0.0-0.00.0-0.00.00.00.0

us-gaap:RestructuringAndRelatedCostIncurredCost us-gaap:IncomeStatementLocation, us-gaap:RestructuringCostAndReserve

us-gaap:RestructuringAndRelatedCostIncurredCost

us-gaap:CostOfSales, alle:QualifiedRestructuring


Restructuring
Period End2020-12-312020-09-302020-06-302019-12-312019-09-302019-06-30
Value0.81.92.3-0.99999999999999912.96.0
Percentage of RestructuringAndRelatedCostIncurredCost100.0100.0100.0100.0100.0100.0

us-gaap:SellingGeneralAndAdministrativeExpenses, alle:QualifiedRestructuring


Restructuring
Period End2020-12-312020-09-302020-06-302019-12-312019-09-302019-06-30
Value2.44.0121.41.52.1
Percentage of RestructuringAndRelatedCostIncurredCost300.0210.5526.1-140.051.735.0

us-gaap:RestructuringAndRelatedCostIncurredCost us-gaap:RestructuringCostAndReserve

alle:QualifiedRestructuring


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.52.73.25.9142.12.34.48.11.70.82.70.70.7
Percentage of RestructuringAndRelatedCostIncurredCost0.00.0400.0310.5626.10.0-230.0151.7135.00.00.00.00.00.0

us-gaap:OtherRestructuring


Restructuring
Period End2020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-31
Value0.30.50.31.20.42.71.4
Percentage of RestructuringAndRelatedCostIncurredCost37.526.313.0-120.013.845.00.0

us-gaap:RestructuringAndRelatedCostIncurredCost us-gaap:RestructuringCostAndReserve, us-gaap:StatementBusinessSegments

alle:QualifiedRestructuring, srt:Americas


Restructuring
Period End2020-09-302020-06-302019-09-302019-06-30
Value1.63.30.00.9
Percentage of RestructuringAndRelatedCostIncurredCost84.2143.50.015.0

alle:QualifiedRestructuring, srt:AsiaPacific


Restructuring
Period End2020-09-302020-06-302019-09-302019-06-30
Value0.72.10.30.0
Percentage of RestructuringAndRelatedCostIncurredCost36.891.310.30.0

alle:QualifiedRestructuring, us-gaap:CorporateAndOther


Restructuring
Period End2020-12-312020-09-302020-06-302019-06-30
Value1.20.21.90.0
Percentage of RestructuringAndRelatedCostIncurredCost150.010.582.60.0

alle:QualifiedRestructuring, us-gaap:EMEA


Restructuring
Period End2020-09-302019-09-30
Value3.44.1
Percentage of RestructuringAndRelatedCostIncurredCost178.9141.4

us-gaap:RestructuringCharges

us-gaap:RestructuringCharges


Restructuring
Period End2021-06-302021-03-31
Value0.52.5
Percentage of RestructuringCharges100.0100.0

us-gaap:RestructuringReserveTranslationAdjustment

us-gaap:RestructuringReserveTranslationAdjustment


Restructuring
Period End2021-06-302021-03-312020-12-312018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value100000.0-200000.0200000.0100000.00100000.0100000.00-500000.0200000.0-300000.0400000.0-400000.00
Percentage of RestructuringReserveTranslationAdjustment100.0100.0100.0100.00.0100.0100.00.0100.0100.0100.0100.0100.00.0

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability


Right
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value3.25.44.6286.02.3107.48.54.7
Percentage of RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability alle:Alle_LeaseArrangementTypeAxis

us-gaap:Equipment


Right
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value2.22.43.7115.01.83.95.9
Percentage of RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability68.844.480.440.683.378.338.679.7

us-gaap:RealEstate


Right
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value1.03.00.9161.00.56.21.5
Percentage of RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability31.255.619.659.416.721.761.420.3

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value01.3200.980100.00990000.01230000.00970000.00890000.00830000.00690000.006-0.0033000.016
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate0.0100.00.0100.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.0100.00.00.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value027.14020.49300.2070000.21440000.22380000.24930000.2885-0.0265000.34020000.3655-0.0292000.4214
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate0.0100.00.0100.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.0100.00.00.0100.00.00.00.0100.0100.00.00.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value00.7501.395900.01410000.02530000.02750000.02080000.01380000.01780000.01940.0068000.0085
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate0.0100.00.0100.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.0100.00.00.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

us-gaap:EmployeeStockOption


Share
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value024.990025.620019.580021.290018.22
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.0100.00.00.0100.00.00.0100.00.00.0100.00.00.0100.0

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1.56109.49-1.06-3.14129.331.71.1488.07-0.4-1.2986.55
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.0438.10.00.0504.80.00.0449.80.00.0406.5

us-gaap:ShortTermLeasePayments

us-gaap:ShortTermLeasePayments


Short
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1500000.02000000.02000000.02400000.02300000.02400000.0600000.02600000.02400000.02500000.0
Percentage of ShortTermLeasePayments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StandardProductWarrantyAccrualForeignCurrencyTranslationGainLoss

us-gaap:StandardProductWarrantyAccrualForeignCurrencyTranslationGainLoss


Standard
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value0-100000.0200000.0200000.00-100000.0100000.0-200000.000-100000.00-200000.0100000.00100000.0300000.00-200000.00-100000.0100000.0
Percentage of StandardProductWarrantyAccrualForeignCurrencyTranslationGainLoss0.0100.0100.0100.00.0100.0100.0100.00.00.0100.00.0100.0100.00.0100.0100.00.0100.00.0100.0100.0

us-gaap:StandardProductWarrantyAccrualPayments

us-gaap:StandardProductWarrantyAccrualPayments


Standard
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value3300000.01800000.02000000.02000000.01300000.02000000.01800000.02200000.02100000.02300000.02000000.02200000.01900000.01800000.02300000.02100000.01700000.01700000.01900000.01700000.01500000.01400000.01700000.0600000.01800000.01300000.01500000.01700000.01700000.01600000.01300000.01700000.01400000.01300000.0
Percentage of StandardProductWarrantyAccrualPayments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StandardProductWarrantyAccrualPreexistingIncreaseDecrease

us-gaap:StandardProductWarrantyAccrualPreexistingIncreaseDecrease


Standard
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-100000.0-300000.0-100000.0-100000.0-100000.00-200000.0-100000.0-100000.0300000.0-100000.0100000.0-100000.0-100000.0-400000.0-200000.0-100000.0200000.0300000.0-100000.0-200000.0-200000.0600000.0100000.00700000.0900000.0300000.0-700000.0600000.0200000.00100000.0
Percentage of StandardProductWarrantyAccrualPreexistingIncreaseDecrease100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:StandardProductWarrantyAccrualWarrantiesIssued

us-gaap:StandardProductWarrantyAccrualWarrantiesIssued


Standard
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value3.33.51.99999999999999912.31.62.31.92.71.93.81.72.02.12.02.82.31.72.21.92.62.01.62.71.81.41.21.11.31.91.81.61.70.80.9
Percentage of StandardProductWarrantyAccrualWarrantiesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensationGross us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensationGross

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value200000.0100000.0100000.00400000.00100000.0200000.0100000.00300000.0
Percentage of StockIssuedDuringPeriodSharesShareBasedCompensationGross100.0100.0100.00.0100.00.0100.0100.0100.00.0100.0

us-gaap:StockholdersEquityOther us-gaap:StatementEquityComponents

us-gaap:StockholdersEquityOther

us-gaap:NoncontrollingInterest


Stockholders
Period End2021-03-312018-03-312017-12-312017-09-302014-12-312014-09-302014-06-302014-03-31
Value-0.10.00.10.00.00.00.00.0
Percentage of StockholdersEquityOther100.00.0100.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-03-312019-09-30
Value0.1-0.2
Percentage of StockholdersEquityOther-100.00.0

us-gaap:TreasuryStockSharesAcquired us-gaap:StatementEquityComponents

us-gaap:TreasuryStockSharesAcquired

us-gaap:CommonStock


Treasury
Period End2021-06-302021-03-312020-03-312019-09-302019-06-302019-03-312018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value400000.01300000.0900000.0500000.0700000.0700000.0400000.000400000.0400000.0800000.000500000.01000000.000-500000.00
Percentage of TreasuryStockSharesAcquired100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.00.00.0100.0100.00.00.0100.00.0

alle:AlleDeferredcompensationandotherretirementplans

alle:AlleDeferredcompensationandotherretirementplans


Alle
Period End2020-12-312019-12-31
Value2523
Percentage of AlleDeferredcompensationandotherretirementplans100.0100.0

alle:AlleDeferredcompensationandotherretirementplans us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel2


Alle
Period End2020-12-312019-12-31
Value2523
Percentage of AlleDeferredcompensationandotherretirementplans100.0100.0

alle:Alle_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour

alle:Alle_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour


Alle_
Period End2021-06-302021-03-312020-09-30
Value191925
Percentage of Alle_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour100.0100.0100.0

alle:Alle_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour alle:Alle_LeaseArrangementTypeAxis

us-gaap:Equipment


Alle_
Period End2021-06-302021-03-312020-09-30
Value0.20.21.6
Percentage of Alle_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour1.01.06.2

us-gaap:RealEstate


Alle_
Period End2021-06-302021-03-312020-09-30
Value191924
Percentage of Alle_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour99.099.093.8

alle:DebtAndEquityInvestmentsWithoutReadilyDeterminableFairValues

alle:DebtAndEquityInvestmentsWithoutReadilyDeterminableFairValues


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value18161318212118
Percentage of DebtAndEquityInvestmentsWithoutReadilyDeterminableFairValues100.0100.0100.0100.0100.0100.0100.0

alle:DeferredTaxAssetFixedAssetAndIntangibles

alle:DeferredTaxAssetFixedAssetAndIntangibles


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value2.62.32.22.62.0142255
Percentage of DeferredTaxAssetFixedAssetAndIntangibles100.0100.0100.0100.0100.0100.0100.0100.0

alle:DeferredTaxAssetInventoryAndAccountReceivable

alle:DeferredTaxAssetInventoryAndAccountReceivable


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value6.55.3151718101013
Percentage of DeferredTaxAssetInventoryAndAccountReceivable100.0100.0100.0100.0100.0100.0100.0100.0

alle:DeferredTaxAssetsLeasingArrangements

alle:DeferredTaxAssetsLeasingArrangements


Deferred
Period End2020-12-312019-12-31
Value2219
Percentage of DeferredTaxAssetsLeasingArrangements100.0100.0

alle:DeferredTaxLiabilityFixedAssetAndIntangibles

alle:DeferredTaxLiabilityFixedAssetAndIntangibles


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value11210410410190963433
Percentage of DeferredTaxLiabilityFixedAssetAndIntangibles100.0100.0100.0100.0100.0100.0100.0100.0

alle:DeferredTaxLiabilityPostemploymentandOtherBenefitLiability

alle:DeferredTaxLiabilityPostemploymentandOtherBenefitLiability


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value6800000.05100000.03500000.04700000.00
Percentage of DeferredTaxLiabilityPostemploymentandOtherBenefitLiability100.0100.0100.0100.00.0

alle:IntangibleAssetsExcludingGoodwillGross

alle:IntangibleAssetsExcludingGoodwillGross


Intangible
Period End2020-12-312019-12-312019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value710695697703709668694529520530498481516509501480365226210232241259258258
Percentage of IntangibleAssetsExcludingGoodwillGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

alle:LiabilitiesNotCarriedAtFairValueFairValueDisclosure

alle:LiabilitiesNotCarriedAtFairValueFairValueDisclosure


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312015-12-31
Value15271504154115251504137214741461143514031556
Percentage of LiabilitiesNotCarriedAtFairValueFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

alle:LiabilitiesNotCarriedAtFairValueFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel2


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312015-12-31
Value15271504154115251504137214741461143514031556
Percentage of LiabilitiesNotCarriedAtFairValueFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

alle:PercentOfOurProjectedBenefitObligationRelatesToPlansThatAreNotFunded

alle:PercentOfOurProjectedBenefitObligationRelatesToPlansThatAreNotFunded


Percent
Period End2020-12-31
Value6.0
Percentage of PercentOfOurProjectedBenefitObligationRelatesToPlansThatAreNotFunded100.0

alle:ProjectedPensionExpense us-gaap:RetirementPlanType

alle:ProjectedPensionExpense

us-gaap:PensionPlansDefinedBenefit


Projected
Period End2020-12-31
Value1800000.0
Percentage of ProjectedPensionExpense100.0

dei:EntityCommonStockSharesOutstanding

dei:EntityCommonStockSharesOutstanding


Entity
Period End2021-02-11
Value90
Percentage of EntityCommonStockSharesOutstanding100.0

us-gaap:AccountsNotesAndLoansReceivableNetCurrent

us-gaap:AccountsNotesAndLoansReceivableNetCurrent


Accounts
Period End2020-12-312019-12-31
Value321329
Percentage of AccountsNotesAndLoansReceivableNetCurrent100.0100.0

us-gaap:AccrualForEnvironmentalLossContingencies

us-gaap:AccrualForEnvironmentalLossContingencies


Accrual
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value1718211718181919202122242528282929303017161515159.39.48.89.9101010
Percentage of AccrualForEnvironmentalLossContingencies100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccrualForEnvironmentalLossContingencies us-gaap:StatementOperatingActivitiesSegment

us-gaap:SegmentDiscontinuedOperations


Accrual
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value4.14.34.43.73.94.04.24.54.95.76.36.77.68.78.98.89.19.59.62.92.72.72.82.82.62.82.42.93.02.92.9
Percentage of AccrualForEnvironmentalLossContingencies23.222.820.921.021.321.521.822.723.626.427.927.829.330.530.830.331.031.631.416.916.717.518.418.528.029.827.329.328.827.626.9

us-gaap:AccruedEmployeeBenefitsCurrentAndNoncurrent us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:AccruedEmployeeBenefitsCurrentAndNoncurrent

country:US, us-gaap:PensionPlansDefinedBenefit


Accrued
Period End2020-12-312019-12-31
Value200000.0500000.0
Percentage of AccruedEmployeeBenefitsCurrentAndNoncurrent100.0100.0

us-gaap:AccruedEnvironmentalLossContingenciesCurrent

us-gaap:AccruedEnvironmentalLossContingenciesCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value4.04.56.16.35.45.86.24.44.95.95.66.47.39.01212119.76.14.03.13.23.73.72.62.72.23.63.23.94.2
Percentage of AccruedEnvironmentalLossContingenciesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent


Allowance
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value6200000.05600000.03300000.02800000.02700000.03800000.03200000.08900000.05500000.0
Percentage of AllowanceForDoubtfulAccountsReceivableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AociLossCashFlowHedgeCumulativeGainLossAfterTax us-gaap:DerivativeInstrumentRisk

us-gaap:AociLossCashFlowHedgeCumulativeGainLossAfterTax

us-gaap:ForwardContracts


Aoci
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value100000.0600000.02200000.0-100000.0300000.0100000.01800000.0
Percentage of AociLossCashFlowHedgeCumulativeGainLossAfterTax100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetsFairValueDisclosure

us-gaap:AssetsFairValueDisclosure


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value25242523212118171822
Percentage of AssetsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel2


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value25242523212118171822
Percentage of AssetsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent

us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent


Assets
Period End2020-12-312019-12-312019-09-302018-12-312017-12-312017-03-312016-12-312015-12-312015-09-302014-12-31
Value5.80.02.90.80.90.02.20.0154255
Percentage of AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent100.00.0100.0100.0100.00.0100.00.0100.0100.0

us-gaap:BusinessAcquisitionCostOfAcquiredEntityTransactionCosts

us-gaap:BusinessAcquisitionCostOfAcquiredEntityTransactionCosts


Business
Period End2020-12-312019-12-312018-12-312017-12-31
Value2.32.010.04.7
Percentage of BusinessAcquisitionCostOfAcquiredEntityTransactionCosts100.0100.0100.0100.0

us-gaap:DebtInstrumentCarryingAmount

us-gaap:DebtInstrumentCarryingAmount


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value143914391439143914401442143914391439144814571466147515231492
Percentage of DebtInstrumentCarryingAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible

us-gaap:DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible


Decrease
Period End2020-12-31
Value14
Percentage of DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible100.0

us-gaap:DeferredCompensationLiabilityCurrentAndNoncurrent

us-gaap:DeferredCompensationLiabilityCurrentAndNoncurrent


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312017-12-312016-12-312015-12-31
Value25231823211817212119201615
Percentage of DeferredCompensationLiabilityCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredCompensationLiabilityCurrentAndNoncurrent us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel2


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312017-12-312016-12-312015-12-31
Value25232523211823212119201615
Percentage of DeferredCompensationLiabilityCurrentAndNoncurrent100.0100.0138.7100.0100.0100.0132.8100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredIncomeTaxAssetsNet


Deferred
Period End2020-12-312019-12-31
Value126112
Percentage of DeferredIncomeTaxAssetsNet100.0100.0

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredIncomeTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value147115115119100
Percentage of DeferredIncomeTaxLiabilities100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsGross


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value465399480375310243155164
Percentage of DeferredTaxAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value3863464193092271334535
Percentage of DeferredTaxAssetsOperatingLossCarryforwards100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards us-gaap:IncomeTaxAuthority

us-gaap:DomesticCountry


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value18202015151515
Percentage of DeferredTaxAssetsOperatingLossCarryforwards4.95.84.94.96.611.534.1

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal us-gaap:IncomeTaxAuthority

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal

us-gaap:StateAndLocalJurisdiction


Deferred
Period End2020-12-31
Value22
Percentage of DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal100.0

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsOther


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value1800000.0800000.0700000.04200000.05300000.06200000.01000000.0300000.0
Percentage of DeferredTaxAssetsOther100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards us-gaap:IncomeTaxAuthority

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards

us-gaap:DomesticCountry


Deferred
Period End2020-12-31
Value22
Percentage of DeferredTaxAssetsTaxCreditCarryforwards100.0

us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsForeign us-gaap:IncomeTaxAuthority

us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsForeign

us-gaap:ForeignCountry


Deferred
Period End2020-12-31
Value1015
Percentage of DeferredTaxAssetsTaxCreditCarryforwardsForeign100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value2931292942656351
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value161412121612118.5
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesLeasingArrangements

us-gaap:DeferredTaxLiabilitiesLeasingArrangements


Deferred
Period End2020-12-312019-12-31
Value2119
Percentage of DeferredTaxLiabilitiesLeasingArrangements100.0100.0

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesOther


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value5600000.03800000.06300000.07400000.06000000.06700000.02200000.0900000.0
Percentage of DeferredTaxLiabilitiesOther100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesUndistributedForeignEarnings

us-gaap:DeferredTaxLiabilitiesUndistributedForeignEarnings


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value1400000.02400000.0500000.06000000.04200000.03900000.0800000.07500000.0
Percentage of DeferredTaxLiabilitiesUndistributedForeignEarnings100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation us-gaap:RetirementPlanSponsorLocation

us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation

country:US


Defined
Period End2020-12-312019-12-31
Value354332
Percentage of DefinedBenefitPlanAccumulatedBenefitObligation100.0100.0

us-gaap:ForeignPlan


Defined
Period End2020-12-312019-12-31
Value446396
Percentage of DefinedBenefitPlanAccumulatedBenefitObligation125.7119.3

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax us-gaap:RetirementPlanSponsorLocation

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax

country:US


Defined
Period End2020-12-312019-12-312018-12-31
Value587071
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax100.0100.0100.0

us-gaap:ForeignPlan


Defined
Period End2020-12-312019-12-312018-12-31
Value797370
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax135.4104.799.7

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

country:US, alle:NetActuarialLosses


Defined
Period End2020-12-312019-12-312018-12-31
Value576969
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax98.398.397.9

country:US, alle:PriorServiceCost


Defined
Period End2020-12-312019-12-312018-12-31
Value1.01.21.5
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax1.71.72.1

us-gaap:ForeignPlan, alle:NetActuarialLosses


Defined
Period End2020-12-312019-12-312018-12-31
Value756966
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax128.499.393.1

us-gaap:ForeignPlan, alle:PriorServiceCost


Defined
Period End2020-12-312019-12-312018-12-31
Value4.13.84.7
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax7.05.46.6

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate us-gaap:RetirementPlanSponsorLocation

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate

country:US


Defined
Period End2020-12-312019-12-31
Value2.53.3
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate100.0100.0

us-gaap:ForeignPlan


Defined
Period End2020-12-312019-12-31
Value1.31.9
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate52.057.6

us-gaap:DefinedBenefitPlanBenefitObligation us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanBenefitObligation

country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-31
Value361341293
Percentage of DefinedBenefitPlanBenefitObligation100.0100.0100.0

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-31
Value455404356
Percentage of DefinedBenefitPlanBenefitObligation126.1118.6121.7

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter us-gaap:RetirementPlanSponsorLocation

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter

country:US


Defined
Period End2020-12-31
Value97
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter100.0

us-gaap:ForeignPlan


Defined
Period End2020-12-31
Value118
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter122.3

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths us-gaap:RetirementPlanSponsorLocation

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths

country:US


Defined
Period End2020-12-31
Value20
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths100.0

us-gaap:ForeignPlan


Defined
Period End2020-12-31
Value18
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths92.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive us-gaap:RetirementPlanSponsorLocation

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive

country:US


Defined
Period End2020-12-31
Value20
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive100.0

us-gaap:ForeignPlan


Defined
Period End2020-12-31
Value22
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive110.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour us-gaap:RetirementPlanSponsorLocation

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour

country:US


Defined
Period End2020-12-31
Value29
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour100.0

us-gaap:ForeignPlan


Defined
Period End2020-12-31
Value20
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour69.1

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree us-gaap:RetirementPlanSponsorLocation

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree

country:US


Defined
Period End2020-12-31
Value22
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree100.0

us-gaap:ForeignPlan


Defined
Period End2020-12-31
Value19
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree89.5

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo us-gaap:RetirementPlanSponsorLocation

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo

country:US


Defined
Period End2020-12-31
Value29
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo100.0

us-gaap:ForeignPlan


Defined
Period End2020-12-31
Value18
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo64.4

us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-31
Value11
Percentage of DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear100.0

us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsRemainderOfFiscalYear

us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsRemainderOfFiscalYear


Defined
Period End2021-06-302021-03-312020-09-30
Value10.0114.0
Percentage of DefinedBenefitPlanExpectedFutureEmployerContributionsRemainderOfFiscalYear100.0100.0100.0

us-gaap:DefinedBenefitPlanFundedStatusOfPlan us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanFundedStatusOfPlan

country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-31
Value-28400000.0-39500000.0
Percentage of DefinedBenefitPlanFundedStatusOfPlan100.0100.0

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-31
Value8200000.04500000.0
Percentage of DefinedBenefitPlanFundedStatusOfPlan-28.9-11.4

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation

country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-31
Value23332
Percentage of DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation100.0100.0

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-31
Value3429
Percentage of DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation145.98.8

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-31
Value119.5
Percentage of DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets100.0100.0

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation

country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-31
Value24341
Percentage of DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation100.0100.0

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-31
Value4034
Percentage of DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation167.910.0

us-gaap:DerivativeFairValueOfDerivativeAsset

us-gaap:DerivativeFairValueOfDerivativeAsset


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value1.41.71.62.11.24.01.18.19.08.75.54.13.65.65.60.32.46.22.83.71.7124.33.75.31.50.7
Percentage of DerivativeFairValueOfDerivativeAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeFairValueOfDerivativeAsset us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel2


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312015-12-31
Value1.41.71.62.11.24.01.12.8
Percentage of DerivativeFairValueOfDerivativeAsset100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeFairValueOfDerivativeAsset us-gaap:HedgingDesignation

us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.10.62.20.71.01.94.67.4
Percentage of DerivativeFairValueOfDerivativeAsset4.850.055.063.60.00.00.00.0

us-gaap:Nondesignated


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value2.00.61.80.40.30.30.50.4
Percentage of DerivativeFairValueOfDerivativeAsset95.250.045.036.40.00.00.00.0

us-gaap:DerivativeFairValueOfDerivativeLiability

us-gaap:DerivativeFairValueOfDerivativeLiability


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value2.73.13.41.32.01.41.50.50.10.00.71.41.20.40.34.07.07.35.75.05.234146.41.80.02.7
Percentage of DerivativeFairValueOfDerivativeLiability100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:DerivativeFairValueOfDerivativeLiability us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel2


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value2.73.13.41.32.01.41.5
Percentage of DerivativeFairValueOfDerivativeLiability100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeFairValueOfDerivativeLiability us-gaap:HedgingDesignation

us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.81.00.40.80.20.70.10.0
Percentage of DerivativeFairValueOfDerivativeLiability61.550.028.653.30.00.00.00.0

us-gaap:Nondesignated


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.51.01.00.71.10.40.70.1
Percentage of DerivativeFairValueOfDerivativeLiability38.550.071.446.70.00.00.00.0

us-gaap:DerivativeNotionalAmount us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeNotionalAmount

us-gaap:ForwardContracts


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value19519521819115514614613381
Percentage of DerivativeNotionalAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeRelatedLiabilitiesCurrent

us-gaap:EmployeeRelatedLiabilitiesCurrent


Employee
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value8698958481727471
Percentage of EmployeeRelatedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized us-gaap:AwardType

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

us-gaap:EmployeeStockOption


Employee
Period End2020-12-312019-12-31
Value1500000.01300000.0
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized100.0100.0

us-gaap:PerformanceShares


Employee
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312013-12-31
Value4600000.05100000.04900000.04200000.04600000.04400000.04700000.0
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized306.7392.30.00.00.00.00.0

us-gaap:RestrictedStockUnitsRSU


Employee
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value6100000.07600000.07000000.06500000.05100000.07900000.07000000.0
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized406.7584.60.00.00.00.00.0

us-gaap:EquityMethodInvestments

us-gaap:EquityMethodInvestments


Equity
Period End2020-12-312019-12-312018-12-31
Value171816
Percentage of EquityMethodInvestments100.0100.0100.0

us-gaap:EquitySecuritiesWithoutReadilyDeterminableFairValueAmount

us-gaap:EquitySecuritiesWithoutReadilyDeterminableFairValueAmount


Equity
Period End2020-12-312019-12-312018-12-31
Value13189.5
Percentage of EquitySecuritiesWithoutReadilyDeterminableFairValueAmount100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value23322322321519918818417117116115615015214813512714413012312611911710710510398107108114114111
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:CustomerRelationships


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value136130130127117110107999892888481807469635551514745403836333738393938
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization58.658.458.259.259.058.658.458.057.557.056.556.053.654.254.854.243.942.841.741.039.938.837.436.234.734.234.635.134.434.534.0

us-gaap:OtherIntangibleAssets


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value1211119.79.08.48.17.47.36.86.56.1128.64.94.5109.79.49.79.59.59.09.01010.01010121313
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization5.25.15.04.54.54.54.44.34.34.24.24.08.05.83.63.57.37.47.67.77.98.18.48.69.810.110.19.811.011.712.0

us-gaap:Patents


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value272525232120191716151413111110.09.3282625252424232222222323242423
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization11.611.511.211.110.910.710.410.19.89.59.18.77.87.67.47.319.520.220.520.320.720.821.521.421.822.421.721.421.221.021.1

us-gaap:Trademarks


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value57565754514949474847474746484644423837393737353534323636383736
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization24.625.025.625.225.626.226.827.528.529.330.331.230.632.434.134.929.329.630.231.031.532.332.833.833.733.333.633.733.432.832.9

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths


Finite
Period End2021-06-302021-03-312020-12-312020-09-30
Value29282830
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive


Finite
Period End2021-06-302021-03-312020-12-312020-09-30
Value26262728
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFive100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour


Finite
Period End2021-06-302021-03-312020-12-312020-09-30
Value27272829
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFour100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree


Finite
Period End2021-06-302021-03-312020-12-312020-09-30
Value27272829
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearThree100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo


Finite
Period End2021-06-302021-03-312020-12-312020-09-30
Value27272829
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsGross

us-gaap:FiniteLivedIntangibleAssetsGross


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value581575592593574561572556574568573579552575454446458430416443437437417326214200222231249249249
Percentage of FiniteLivedIntangibleAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsGross us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:CustomerRelationships


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value40540341542541240341240341641341942339541132431930929027829629229127819895849499106107107
Percentage of FiniteLivedIntangibleAssetsGross69.870.070.171.671.771.872.172.472.572.773.273.171.571.671.571.567.567.567.066.966.966.666.760.744.442.142.542.942.743.343.3

us-gaap:OtherIntangibleAssets


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value282727222018171414129.59.114147.97.11211111212109.0171010.01010121313
Percentage of FiniteLivedIntangibleAssetsGross5.04.74.63.83.63.33.12.72.52.31.71.62.72.61.71.62.72.72.62.82.72.32.25.24.75.04.94.65.15.45.4

us-gaap:Patents


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value59585959595859585959595955573232514848504950492926262728302626
Percentage of FiniteLivedIntangibleAssetsGross10.210.210.110.010.410.410.410.510.410.410.410.210.110.07.27.311.211.311.511.411.411.611.78.912.413.112.512.312.110.810.6

us-gaap:Trademarks


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value87869086828182808483848786918987857978838385818282798993100100101
Percentage of FiniteLivedIntangibleAssetsGross15.115.015.214.614.414.514.414.414.614.614.815.215.715.919.619.718.618.518.918.919.019.419.425.138.539.840.140.240.240.540.7

us-gaap:ForeignCurrencyCashFlowHedgeAssetAtFairValue us-gaap:HedgingDesignation

us-gaap:ForeignCurrencyCashFlowHedgeAssetAtFairValue

us-gaap:DesignatedAsHedgingInstrument


Foreign
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value100000.0600000.02200000.000100000.0500000.01700000.0200000.01100000.0900000.0200000.000400000.0700000.0200000.0100000.01800000.0
Percentage of ForeignCurrencyCashFlowHedgeAssetAtFairValue100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0

us-gaap:ForeignCurrencyCashFlowHedgeGainLossToBeReclassifiedDuringNext12Months us-gaap:DerivativeInstrumentRisk

us-gaap:ForeignCurrencyCashFlowHedgeGainLossToBeReclassifiedDuringNext12Months

us-gaap:ForwardContracts


Foreign
Period End2020-09-30
Value100000.0
Percentage of ForeignCurrencyCashFlowHedgeGainLossToBeReclassifiedDuringNext12Months100.0

us-gaap:ForeignCurrencyCashFlowHedgeLiabilityAtFairValue us-gaap:HedgingDesignation

us-gaap:ForeignCurrencyCashFlowHedgeLiabilityAtFairValue

us-gaap:DesignatedAsHedgingInstrument


Foreign
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value800000.0500000.00800000.0200000.0700000.0100000.00400000.0100000.00300000.01300000.0800000.0100000.0100000.0500000.01300000.00
Percentage of ForeignCurrencyCashFlowHedgeLiabilityAtFairValue100.0100.00.0100.0100.0100.0100.00.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:ForeignCurrencyContractsLiabilityFairValueDisclosure

us-gaap:ForeignCurrencyContractsLiabilityFairValueDisclosure


Foreign
Period End2020-12-312019-12-312019-09-302019-06-302018-12-31
Value3400000.01500000.01300000.01100000.0100000.0
Percentage of ForeignCurrencyContractsLiabilityFairValueDisclosure100.0100.0100.0100.0100.0

us-gaap:ForeignCurrencyContractsLiabilityFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel2


Foreign
Period End2020-12-312019-12-312019-09-302019-06-302018-12-31
Value3400000.01500000.01300000.01100000.0100000.0
Percentage of ForeignCurrencyContractsLiabilityFairValueDisclosure100.0100.0100.0100.0100.0

us-gaap:ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue us-gaap:HedgingDesignation

us-gaap:ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue

us-gaap:Nondesignated


Foreign
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value2000000.0600000.01800000.0400000.0300000.0300000.0500000.0400000.000100000.00400000.0200000.0600000.0300000.0100000.02300000.06200000.01000000.01800000.0300000.09400000.02200000.01700000.05300000.0400000.00
Percentage of ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue us-gaap:HedgingDesignation

us-gaap:ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue

us-gaap:Nondesignated


Foreign
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value0.51.01.00.71.10.40.70.10.10.00.00.40.10.40.20.21.31.13.64.51.83.232136.40.90.02.7
Percentage of ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:GoodwillGross

us-gaap:GoodwillGross


Goodwill
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value1392135813681246120211999919951003992990985
Percentage of GoodwillGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GoodwillGross us-gaap:StatementBusinessSegments

alle:AllegionAmericas


Goodwill
Period End2020-12-31
Value501
Percentage of GoodwillGross36.0

alle:AllegionInternational


Goodwill
Period End2020-12-31
Value891
Percentage of GoodwillGross64.0

us-gaap:GoodwillImpairedAccumulatedImpairmentLoss

us-gaap:GoodwillImpairedAccumulatedImpairmentLoss


Goodwill
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312014-09-302014-06-302014-03-31
Value573485485485485485485485485485
Percentage of GoodwillImpairedAccumulatedImpairmentLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GoodwillImpairedAccumulatedImpairmentLoss us-gaap:StatementBusinessSegments

alle:AllegionInternational


Goodwill
Period End2020-12-31
Value573
Percentage of GoodwillImpairedAccumulatedImpairmentLoss100.0

us-gaap:IncomeTaxesReceivable

us-gaap:IncomeTaxesReceivable


Income
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value251415123.1
Percentage of IncomeTaxesReceivable100.0100.0100.0100.0100.0

us-gaap:IntangibleAssetsGrossExcludingGoodwill

us-gaap:IntangibleAssetsGrossExcludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value697691710709688673695683704703
Percentage of IntangibleAssetsGrossExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryFinishedGoodsNetOfReserves

us-gaap:InventoryFinishedGoodsNetOfReserves


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value146136126120119115120132141135128192149153143
Percentage of InventoryFinishedGoodsNetOfReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryRawMaterials

us-gaap:InventoryRawMaterials


Inventory
Period End2020-12-312019-12-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value1141161176671706356595857586365595462616268
Percentage of InventoryRawMaterials100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryRawMaterialsNetOfReserves

us-gaap:InventoryRawMaterialsNetOfReserves


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value12111611413113312111612712512411760848466
Percentage of InventoryRawMaterialsNetOfReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryWorkInProcess

us-gaap:InventoryWorkInProcess


Inventory
Period End2020-12-312019-12-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value4233342930282623252627303445343246444034
Percentage of InventoryWorkInProcess100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryWorkInProcessNetOfReserves

us-gaap:InventoryWorkInProcessNetOfReserves


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value423742384038333438363425313329
Percentage of InventoryWorkInProcessNetOfReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentsFairValueDisclosure

us-gaap:InvestmentsFairValueDisclosure


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value23222321201717161614
Percentage of InvestmentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel2


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value23222321201717161614
Percentage of InvestmentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseDiscountRate alle:Alle_LeaseArrangementTypeAxis

us-gaap:LesseeOperatingLeaseDiscountRate

us-gaap:Equipment


Lessee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value2.42.52.72.90.0360.038
Percentage of LesseeOperatingLeaseDiscountRate100.0100.0100.0100.0100.0100.0

us-gaap:RealEstate


Lessee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value3.83.83.94.00.0440.045
Percentage of LesseeOperatingLeaseDiscountRate158.3152.0144.4137.9122.2118.4

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths


Lessee
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value2625302928
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths100.0100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths alle:Alle_LeaseArrangementTypeAxis

us-gaap:Equipment


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value11111312
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths44.443.544.742.3

us-gaap:RealEstate


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value14141616
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths55.656.555.357.7

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear


Lessee
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value15237.814217.91523
Percentage of LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear alle:Alle_LeaseArrangementTypeAxis

us-gaap:Equipment


Lessee
Period End2021-06-302021-03-312020-09-302020-06-30
Value7.4103.56.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear46.546.044.941.4

us-gaap:RealEstate


Lessee
Period End2021-06-302021-03-312020-09-302020-06-30
Value8.5124.38.5
Percentage of LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear53.554.055.158.6

us-gaap:LettersOfCreditOutstandingAmount us-gaap:DebtInstrument

us-gaap:LettersOfCreditOutstandingAmount

us-gaap:RevolvingCreditFacility


Letters
Period End2021-06-302021-03-312020-12-312020-09-30
Value14141515
Percentage of LettersOfCreditOutstandingAmount100.0100.0100.0100.0

us-gaap:LiabilitiesFairValueDisclosure

us-gaap:LiabilitiesFairValueDisclosure


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312017-12-312016-12-312015-12-31
Value27262824232024222219211721
Percentage of LiabilitiesFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilitiesFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel2


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312017-12-312016-12-312015-12-31
Value27262824232024222219211721
Percentage of LiabilitiesFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent

us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent


Liabilities
Period End2020-12-312015-12-312015-09-302014-12-312013-12-31
Value7.20.0811.50.1
Percentage of LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent100.00.0100.0100.0100.0

us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Liabilities
Period End2020-12-31
Value0.8
Percentage of LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent11.1

us-gaap:LongTermDebtFairValue

us-gaap:LongTermDebtFairValue


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312017-12-312016-12-312015-12-31
Value1527150415411525150413721474146114351403148515101556
Percentage of LongTermDebtFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LongTermDebtFairValue us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel2


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312017-12-312016-12-312015-12-31
Value1527150415411525150413721474146114351403148515101556
Percentage of LongTermDebtFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive


Long
Period End2020-12-31
Value800
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths


Long
Period End2020-12-31
Value200000.0
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour


Long
Period End2020-12-31
Value400
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree


Long
Period End2020-12-31
Value200000.0
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo


Long
Period End2020-12-31
Value238
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo100.0

us-gaap:OtherLongTermDebt us-gaap:DebtInstrument

us-gaap:OtherLongTermDebt

alle:Otherdebt


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value400000.0400000.0600000.0600000.01300000.03900000.0700000.0700000.0800000.01200000.0
Percentage of OtherLongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesCurrentAndNoncurrent us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesCurrentAndNoncurrent

country:US, us-gaap:PensionPlansDefinedBenefit


Pension
Period End2020-12-312019-12-31
Value2839
Percentage of PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesCurrentAndNoncurrent100.0100.0

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Pension
Period End2020-12-312019-12-31
Value2724
Percentage of PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesCurrentAndNoncurrent97.961.5

us-gaap:PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesNoncurrent

us-gaap:PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesNoncurrent


Pension
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value79878185134145122110
Percentage of PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PostemploymentBenefitsLiabilityCurrentAndNoncurrent

us-gaap:PostemploymentBenefitsLiabilityCurrentAndNoncurrent


Postemployment
Period End2020-12-312019-12-312018-12-312017-12-31
Value5200000.06800000.07600000.09300000.0
Percentage of PostemploymentBenefitsLiabilityCurrentAndNoncurrent100.0100.0100.0100.0

us-gaap:RestrictedCashCurrent

us-gaap:RestrictedCashCurrent


Restricted
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value1900000.01900000.03400000.03400000.03400000.03400000.06800000.06800000.06800000.00
Percentage of RestrictedCashCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:RestructuringAndRelatedCostExpectedCost1 alle:FiscalYear, us-gaap:Range

us-gaap:RestructuringAndRelatedCostExpectedCost1

alle:A2020, srt:Maximum


Restructuring
Period End2020-09-302020-06-30
Value10.025
Percentage of RestructuringAndRelatedCostExpectedCost1100.0100.0

alle:A2020, srt:Minimum


Restructuring
Period End2020-09-302020-06-30
Value5.020
Percentage of RestructuringAndRelatedCostExpectedCost150.080.0

us-gaap:RestructuringAndRelatedCostExpectedCost1 us-gaap:Range

srt:Maximum


Restructuring
Period End2021-03-312020-12-312020-09-302020-06-30
Value10.010.01535
Percentage of RestructuringAndRelatedCostExpectedCost10.00.0150.0140.0

srt:Minimum


Restructuring
Period End2021-03-312020-12-312020-09-302020-06-30
Value5.05.010.030
Percentage of RestructuringAndRelatedCostExpectedCost10.00.0100.0120.0

us-gaap:RestructuringReserveCurrent

us-gaap:RestructuringReserveCurrent


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312014-09-302014-06-302014-03-312013-12-31
Value1.75.45.36.57.30.81.23.48.11.42.13.01.42.64.22.71.31.83.58.08.39.6104.04.11.91.95.82.32.8
Percentage of RestructuringReserveCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber

us-gaap:PerformanceShares


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value145980.0157350.0156040.0160820.0209600.0202040.0161130.062883.0142460.0254120.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedStockUnitsRSU


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value195290.0236520.0244350.0230010.0205630.0344930.0325160.0378220.0144050.0166070.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber133.8150.3156.6143.098.1170.7201.8601.5101.165.4

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:PerformanceShares


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value93.8975.8265.0755.0256.0264.9257.3929.2739.1327.1
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedStockUnitsRSU


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value102.5286.3776.5166.8358.9949.5942.1533.5940.0235.11
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue109.2113.9117.6121.5105.376.473.4114.8102.3129.6

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized


Share
Period End2020-12-31
Value8000000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant


Share
Period End2020-12-31
Value2900000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber

us-gaap:EmployeeStockOption


Share
Period End2020-12-31
Value440990.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice

us-gaap:EmployeeStockOption


Share
Period End2020-12-31
Value68.7
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

us-gaap:EmployeeStockOption


Share
Period End2020-12-31
Value25.7
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue100.0

us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions

us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value440990.0534010.0638440.0696930.0929680.01053700.01445100.0
Percentage of ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRange

alle:A0012500


Share
Period End2020-12-31
Value3223.0
Percentage of ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions0.7

alle:A1250115000


Share
Period End2020-12-31
Value1751.0
Percentage of ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions0.4

alle:A25015000


Share
Period End2020-12-31
Value34206.0
Percentage of ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions7.8

alle:A50017500


Share
Period End2020-12-31
Value258430.0
Percentage of ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions58.6

alle:A750110000


Share
Period End2020-12-31
Value143380.0
Percentage of ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions32.5

us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions

us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value760140.0863620.0957200.01051900.01313100.01592200.01962000.0
Percentage of ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRange

alle:A0012500


Share
Period End2020-12-31
Value3223.0
Percentage of ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions0.4

alle:A1000112500


Share
Period End2020-12-31
Value391.0
Percentage of ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions0.1

alle:A1250115000


Share
Period End2020-12-31
Value156770.0
Percentage of ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions20.6

alle:A25015000


Share
Period End2020-12-31
Value34206.0
Percentage of ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions4.5

alle:A50017500


Share
Period End2020-12-31
Value258430.0
Percentage of ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions34.0

alle:A750110000


Share
Period End2020-12-31
Value307130.0
Percentage of ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions40.4

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1 us-gaap:AwardType

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1

us-gaap:EmployeeStockOption


Sharebased
Period End2020-12-31
Value21.1
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1100.0

us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1

us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1


Sharebased
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value68.756.5846.9439.4632.6425.6423.17
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1100.0100.0100.0100.0100.0100.0100.0

us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1 us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRange

alle:A0012500


Sharebased
Period End2020-12-31
Value24.96
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice136.3

alle:A1250115000


Sharebased
Period End2020-12-31
Value129.33
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1188.3

alle:A25015000


Sharebased
Period End2020-12-31
Value31.34
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice145.6

alle:A50017500


Sharebased
Period End2020-12-31
Value63.4
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice192.3

alle:A750110000


Sharebased
Period End2020-12-31
Value87.4
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1127.2

us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1

us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1


Sharebased
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value85.1867.5756.7147.839.8733.9128.11
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1100.0100.0100.0100.0100.0100.0100.0

us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1 us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRange

alle:A0012500


Sharebased
Period End2020-12-31
Value24.96
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance129.3

alle:A1000112500


Sharebased
Period End2020-12-31
Value100.68
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1118.2

alle:A1250115000


Sharebased
Period End2020-12-31
Value129.33
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1151.8

alle:A25015000


Sharebased
Period End2020-12-31
Value31.34
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance136.8

alle:A50017500


Sharebased
Period End2020-12-31
Value63.4
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance174.4

alle:A750110000


Sharebased
Period End2020-12-31
Value87.59
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1102.8

us-gaap:StandardProductWarrantyAccrual

us-gaap:StandardProductWarrantyAccrual


Standard
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value1818161616161515151514141414141313131313121111119.810.01010.09.79.49.98.88.59.29.6
Percentage of StandardProductWarrantyAccrual100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1

us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1


Stock
Period End2021-06-302021-03-31
Value414464
Percentage of StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1100.0100.0

us-gaap:UnamortizedDebtIssuanceExpense

us-gaap:UnamortizedDebtIssuanceExpense


Unamortized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-06-302017-03-312016-12-312016-03-312015-12-31
Value8.89.39.81010111112111212131314151617182122
Percentage of UnamortizedDebtIssuanceExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value7.66.25.74.95.45.36.211
Percentage of UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate


Unrecognized
Period End2020-12-31
Value41
Percentage of UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate100.0

us-gaap:UnsecuredDebt us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:UnsecuredDebt

alle:TermLoanFacilityDue2022, us-gaap:LoansPayable


Unsecured
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value238238238238238238238238638656
Percentage of UnsecuredDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

alle:ThreePointFivePercentSeniorNotesDue2029, us-gaap:SeniorNotes


Unsecured
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value4004004004004004004004000.0
Percentage of UnsecuredDebt167.5167.5167.5167.5167.5167.5167.5167.50.0

us-gaap:ValuationAllowancesAndReservesBalance us-gaap:ValuationAllowancesAndReservesType

us-gaap:ValuationAllowancesAndReservesBalance

us-gaap:AllowanceForCreditLoss


Valuation
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value6200000.05600000.03300000.02800000.02700000.0
Percentage of ValuationAllowancesAndReservesBalance100.0100.0100.0100.0100.0

Line plots across dimensions of each concept


Operating Margin
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
Operating  Marginus-gaap: Consolidation Items, us-gaap: Statement Business Segments
TTM Greenblatt ROC
_
(None,)
T T M  Greenblatt  R O C_
us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:AwardType
(None,)
Allocated Share Based Compensation Expenseus-gaap: Award Type
us-gaap:OperatingIncomeLoss
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
Operating Income Lossus-gaap: Consolidation Items, us-gaap: Statement Business Segments
us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents
(None,)
Other Comprehensive Income Loss Net Of Taxus-gaap: Statement Equity Components
us-gaap:ProfitLoss
us-gaap:StatementEquityComponents
(None,)
Profit Lossus-gaap: Statement Equity Components
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
('us-gaap:Product', None)
Revenue From Contract With Customer Excluding Assessed Taxus-gaap: Product Or Service, us-gaap: Statement Business Segments
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ProductOrService
(None,)
Revenue From Contract With Customer Excluding Assessed Taxus-gaap: Product Or Service
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:StatementBusinessSegments
(None,)
Revenue From Contract With Customer Excluding Assessed Taxus-gaap: Statement Business Segments
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
Revenue From Contract With Customer Excluding Assessed Taxus-gaap: Consolidation Items, us-gaap: Statement Business Segments
us-gaap:Assets
us-gaap:ConsolidationItems
(None,)
Assetsus-gaap: Consolidation Items
us-gaap:Assets
us-gaap:StatementBusinessSegments
(None,)
Assetsus-gaap: Statement Business Segments
us-gaap:NoncurrentAssets
us-gaap:StatementGeographical
(None,)
Noncurrent Assetsus-gaap: Statement Geographical
us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType
(None,)
Property Plant And Equipment Grossus-gaap: Property Plant And Equipment By Type
us-gaap:Goodwill
us-gaap:StatementBusinessSegments
(None,)
Goodwillus-gaap: Statement Business Segments
us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill
us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass
(None,)
Indefinite Lived Intangible Assets Excluding Goodwillus-gaap: Indefinite Lived Intangible Assets By Major Class
us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
(None,)
Finite Lived Intangible Assets Netus-gaap: Finite Lived Intangible Assets By Major Class
us-gaap:OperatingLeaseRightOfUseAsset
alle:Alle_LeaseArrangementTypeAxis
(None,)
Operating Lease Right Of Use Assetalle: Alle_ Lease Arrangement Type Axis
us-gaap:OperatingLeaseLiabilityCurrent
alle:Alle_LeaseArrangementTypeAxis
(None,)
Operating Lease Liability Currentalle: Alle_ Lease Arrangement Type Axis
us-gaap:OtherAccruedLiabilitiesCurrent
us-gaap:FairValueByLiabilityClass
(None,)
Other Accrued Liabilities Currentus-gaap: Fair Value By Liability Class
us-gaap:OperatingLeaseLiabilityNoncurrent
alle:Alle_LeaseArrangementTypeAxis
(None,)
Operating Lease Liability Noncurrentalle: Alle_ Lease Arrangement Type Axis
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo
alle:Alle_LeaseArrangementTypeAxis
(None,)
Lessee Operating Lease Liability Payments Due Year Twoalle: Alle_ Lease Arrangement Type Axis
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree
alle:Alle_LeaseArrangementTypeAxis
(None,)
Lessee Operating Lease Liability Payments Due Year Threealle: Alle_ Lease Arrangement Type Axis
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour
alle:Alle_LeaseArrangementTypeAxis
(None,)
Lessee Operating Lease Liability Payments Due Year Fouralle: Alle_ Lease Arrangement Type Axis
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive
alle:Alle_LeaseArrangementTypeAxis
(None,)
Lessee Operating Lease Liability Payments Due Year Fivealle: Alle_ Lease Arrangement Type Axis
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents
(None,)
Stockholders Equity Including Portion Attributable To Noncontrolling Interestus-gaap: Statement Equity Components
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents
(None,)
Accumulated Other Comprehensive Income Loss Net Of Taxus-gaap: Statement Equity Components
us-gaap:ProfitLoss
us-gaap:StatementEquityComponents
(None,)
Profit Lossus-gaap: Statement Equity Components
us-gaap:PaymentsForRepurchaseOfCommonStock
us-gaap:StatementEquityComponents
(None,)
Payments For Repurchase Of Common Stockus-gaap: Statement Equity Components