WAB


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

Table of contents



us-gaap:CommonStockValue
us-gaap:StatementEquityComponents
us-gaap:SharesIssued

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:CostOfGoodsAndServicesSold
us-gaap:ProductOrService

us-gaap:GrossProfit

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:IncomeTaxExpenseBenefit
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:InterestIncomeExpenseNet

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:NonoperatingIncomeExpense
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:OperatingExpenses

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:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:ResearchAndDevelopmentExpense

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

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:AccountsReceivableNetCurrent
us-gaap:Collateral

us-gaap:InventoryNet

us-gaap:OtherAssetsCurrent

us-gaap:MachineryAndEquipmentGross

us-gaap:AssetsNoncurrent

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AmortizationOfIntangibleAssets

us-gaap:PropertyPlantAndEquipmentNet
us-gaap:StatementGeographical

us-gaap:Goodwill
us-gaap:BusinessAcquisition
us-gaap:StatementBusinessSegments

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:OtherAssetsNoncurrent

us-gaap:AccountsPayableCurrent

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:LiabilitiesCurrent

us-gaap:LongTermDebtCurrent
us-gaap:FairValueByMeasurementBasis

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:LongTermDebt
us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:FairValueByMeasurementBasis, us-gaap:LongtermDebtType
us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrument, us-gaap:FairValueByMeasurementBasis, us-gaap:LongtermDebtType
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementBasis, us-gaap:LongtermDebtType
us-gaap:LongtermDebtType

us-gaap:LongTermDebtNoncurrent
us-gaap:FairValueByMeasurementBasis

us-gaap:LongTermDebtAndCapitalLeaseObligations

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:MinorityInterest

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:OperatingLeaseLiability

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:TreasuryStockValue

us-gaap:MinorityInterest

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInInventories

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss

us-gaap:ProfitLoss
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:PaymentsOfDividendsCommonStock

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

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxAssetsNet

us-gaap:UnrecognizedTaxBenefits

us-gaap:DeferredTaxAssetsValuationAllowance
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationConsiderationTransferred1
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationAsset1
us-gaap:StatementGeographical, us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType
us-gaap:ConcentrationRiskPercentage1

us-gaap:ContractWithCustomerAssetIncreaseDecreaseForContractAcquiredInBusinessCombination

us-gaap:ContractWithCustomerAssetReclassifiedToReceivable

us-gaap:ContractWithCustomerLiabilityIncreaseDecreaseForContractAcquiredInBusinessCombination

us-gaap:ContractWithCustomerLiabilityRevenueRecognized
us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType
us-gaap:DebtInstrumentRedemptionPricePercentage

us-gaap:DepreciationAndAmortization

us-gaap:DividendsCash
us-gaap:StatementEquityComponents

us-gaap:DividendsCommonStockStock

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:FinanceLeaseRightOfUseAssetAmortization

us-gaap:ForeignCurrencyTransactionGainLossRealized

us-gaap:GoodwillForeignCurrencyTranslationGainLoss
us-gaap:StatementBusinessSegments

us-gaap:GoodwillPurchaseAccountingAdjustments
us-gaap:StatementBusinessSegments

us-gaap:IncomeLossFromEquityMethodInvestments

us-gaap:IncreaseDecreaseInAccruedIncomeTaxesPayable

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:LeaseCost

us-gaap:OperatingLeaseCost

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax

us-gaap:OtherComprehensiveIncomeLossTaxPortionAttributableToParent1

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:ProceedsFromAccountsReceivableSecuritization
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:ProceedsFromIssuanceOfDebt

us-gaap:ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromRepaymentsOfAccountsReceivableSecuritization

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment

us-gaap:ProductWarrantyAccrualAdditionsFromBusinessAcquisition

us-gaap:ProductWarrantyAccrualPayments

us-gaap:ProductWarrantyAccrualWarrantiesIssued

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
us-gaap:StatementEquityComponents

us-gaap:RepaymentsOfAccountsReceivableSecuritization

us-gaap:RepaymentsOfLongTermDebtAndCapitalSecurities

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice

us-gaap:StandardAndExtendedProductWarrantyAccrualForeignCurrencyTranslationGainLoss

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised
us-gaap:StatementEquityComponents

us-gaap:StockholdersEquityOther
us-gaap:StatementEquityComponents

us-gaap:SubleaseIncome

us-gaap:TreasuryStockValueAcquiredCostMethod
us-gaap:StatementEquityComponents

us-gaap:UndistributedEarnings
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:UnrealizedGainLossOnDerivatives

wab:AmortizationOfIntangibleLiability

wab:BasicWeightedAverageCommonSharesOutstandingAndNonVestedRestrictedStockExpectedToVest

wab:ContractWithCustomerAssetIncreaseDecreaseForeignCurrencyTranslationAdjustment

wab:ContractWithCustomerAssetNewContractAdditions

wab:ContractWithCustomerLiabilityNewContractAdditions

wab:ContractwithCustomerLiabilityIncreaseDecreaseForeignCurrencyTranslationAdjustment

wab:ContractwithCustomerLiabilityRevenueRecognizedfromCurrentYearAdditions

wab:DividendsDeclaredCommonShares

wab:GoodwillDisposals
us-gaap:StatementBusinessSegments

wab:IncreaseDecreaseInAccruedLiabilitiesAndCustomerDeposits

wab:InterestExpenseAndOtherNet
us-gaap:ConsolidationItems

wab:NumeratorForBasicAndDilutedEarningsPerCommonShare

wab:PercentageOfNetIncomeAllocatedToCommonShareholders

wab:PeriodicDefinedBenefitsExpenseReversalofExpenseExcludingInterestCostAndServiceCostComponent

wab:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNetPerformanceAdjustmentWeightedAverageNetPerformanceAdjustmentFairValue

wab:ShorttermAndVariableLeaseCost
us-gaap:StatementEquityComponents
wab:StockGrantedExercisedAndCancelledForVariousEquityInstruments

wab:UndistributedEarningsAllocatedToCommonShareholders
us-gaap:StatementEquityComponents
us-gaap:AociIncludingPortionAttributableToNoncontrollingInterestTax

us-gaap:BuildingsAndImprovementsGross
us-gaap:BalanceSheetLocation, us-gaap:BusinessAcquisition, us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:BusinessCombinationContingentConsiderationLiability

us-gaap:BusinessCombinationContingentConsiderationLiabilityNoncurrent
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilities
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet

us-gaap:ContractWithCustomerAssetNet

us-gaap:ContractWithCustomerAssetNetCurrent

us-gaap:ContractWithCustomerAssetNetNoncurrent

us-gaap:ContractWithCustomerLiability

us-gaap:ContractWithCustomerLiabilityNoncurrent
us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentInterestRateEffectivePercentage
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet
us-gaap:DebtInstrument
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DeferredFinanceCostsGross

us-gaap:DeferredFinanceCostsNet

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsInventory

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal

us-gaap:DeferredTaxAssetsPropertyPlantAndEquipment

us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsWarrantyReserves

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets

us-gaap:DeferredTaxLiabilitiesLeasingArrangements
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAmountsRecognizedInBalanceSheet
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanBenefitObligation
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedAmortizationNextFiscalYear
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedAmortizationOfGainLossNextFiscalYear
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedAmortizationOfPriorServiceCostCreditNextFiscalYear
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear

us-gaap:DefinedBenefitPlanFairValueOfPlanAssets
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanFundedStatusOfPlan
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsPlanAssets
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsProjectedBenefitObligation
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:DerivativeInstrumentRisk
us-gaap:DerivativeAssets
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:DerivativeFairValueOfDerivativeAsset
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:DerivativeFairValueOfDerivativeLiability
us-gaap:HedgingDesignation
us-gaap:DerivativeFairValueOfDerivativeNet
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeLiabilities
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:DerivativeNotionalAmount
us-gaap:HedgingDesignation

us-gaap:EmployeeRelatedLiabilitiesCurrent

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

us-gaap:EquityMethodInvestments

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseLiabilityPaymentsDue

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo

us-gaap:FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:IncomeTaxExaminationInterestAccrued

us-gaap:IndefiniteLivedTradeNames

us-gaap:IndefiniteLivedTrademarks

us-gaap:InventoryFinishedGoodsNetOfReserves

us-gaap:InventoryRawMaterialsNetOfReserves

us-gaap:InventoryWorkInProcessNetOfReserves

us-gaap:LandAndLandImprovements

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear

us-gaap:LettersOfCreditOutstandingAmount
us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:LineOfCredit
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity

us-gaap:LongTermDebtAndCapitalLeaseObligationsCurrent

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

us-gaap:LongtermDebtWeightedAverageInterestRate

us-gaap:NumberOfCountriesInWhichEntityOperates

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OperatingLossCarryforwards
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities

us-gaap:PreproductionCostsRelatedToLongTermSupplyArrangementsCostsCapitalized

us-gaap:ProductWarrantyAccrual

us-gaap:ProductWarrantyAccrualClassifiedCurrent

us-gaap:ProductWarrantyAccrualNoncurrent

us-gaap:ProvisionForLossOnContracts

us-gaap:RevenueRemainingPerformanceObligation

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1

us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1
us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRange

us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1
us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRange

us-gaap:SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit

us-gaap:TreasuryStockShares
us-gaap:Collateral
us-gaap:UnbilledReceivablesCurrent

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
us-gaap:ValuationAllowancesAndReservesType
us-gaap:ValuationAllowancesAndReservesBalance
us-gaap:BusinessAcquisition
wab:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsIncludingGoodwill

wab:DeferredTaxAssetsRightOfUseAsset

wab:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensionAndPostretirementBenefits

wab:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedExpensesAndReserves

wab:FinanceLeaseLiabilityPaymentsDueAfterYearFour

wab:LesseeOperatingAndFinanceLeaseLiabilityPaymentsDue

wab:LesseeOperatingAndFinanceLeaseLiabilityToBePaidYearOne

wab:LesseeOperatingAndFinanceLeaseLiabilityTotalPaymentsDueAfterYearFive

wab:LesseeOperatingAndFinanceLeaseLiabilityTotalPaymentsDueAfterYearFour

wab:LesseeOperatingAndFinanceLeaseLiabilityTotalPaymentsDueYearFive

wab:LesseeOperatingAndFinanceLeaseLiabilityTotalPaymentsDueYearFour

wab:LesseeOperatingAndFinanceLeaseLiabilityTotalPaymentsDueYearThree

wab:LesseeOperatingAndFinanceLeaseLiabilityTotalPaymentsDueYearTwo

wab:LesseeOperatingAndFinanceLeaseLiabilityTotalPaymentsNextTwelveMonths

wab:LesseeOperatingAndFinanceLeaseLiabilityTotalPaymentsRemainderofFiscalYear

wab:LesseeOperatingAndFinanceLeaseLiabilityUndiscountedExcessAmount

wab:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour
us-gaap:Range
wab:LesseeWeightedAverageDiscountRatePercent

wab:OperatingAndFinanceLeaseLiability

wab:OtherAssetsNonCurrentIncludingGoodwillAndIntangibleAssetsNet

Plots across concepts


IncomeStatement
Other Comprehensive Income Loss Net Of Tax
Expenses
Other Nonoperating Income Expense
Balance Sheet
Operating Lease Liability
Assets
Cash And Cash Equivalents At Carrying Value
Current Assets
Other Assets Current
NonCurrent Assets
Other Assets Noncurrent
PropertyPlantAndEquipmentNet
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
Liabilities
Operating Lease Liability
Current Liabilities
Long Term 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
Increase Decrease In Inventories
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInFinancingActivities
Net Cash Provided By Used In Financing Activities
Shares
Treasury Stock Shares
DividendsAndRepurchase
Payments For Repurchase Of Common Stock
NonoperatingIncomeExpense
Other Nonoperating Income Expense
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Undiscounted Excess Amount
InventoryNet
Inventory Work In Process Net Of Reserves

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:CommonStockValue ██████████▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▁▁▁▁▁▁▁▁▁▁2.02.02.02.02.02.02.02.01.9811.9811.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3230.6620.6620.6620.6620.6620.6620.6620.6620.6620.662NANANA
 us-gaap:SharesIssued us-gaap:StatementEquityComponents us-gaap:CommonStock█████████▆▁▁▁▁▁226.9226.9226.9226.9226.9226.94718226.94718226.94718223.431716198.131716132.349534132.349534132.349534132.349534132.349534NANANA132.349534NANANA132.349534NANANA132.349534NANANA132.349534NANANA66.174767NANANA66.174767NANANA66.174767NANANA
 us-gaap:SharesIssued us-gaap:StatementEquityComponents us-gaap:TreasuryStock█████▁█▁▁▁▁▁▁▁█37.938.038.036.636.6-36.66934335.247987-35.270698-35.24861-35.314116-35.734588-35.742588-35.963155-36.12216936.315182NANANA36.924102NANANA40.513428NANANA-36.075139NANANA-36.439586NANANA-18.471083NANANA-18.228407NANANA-18.220682NANANA
us-gaap:CommonStockSharesIssued █████████▇▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▁▁▁▁▁▁▁▁▁▁226.9226.9226.9226.9226.9226.94718226.94718226.94718223.431716198.131716132.349534132.349534132.349534132.349534132.349534132.349534132.349534132.349534132.349534132.349534132.349534132.349534132.349534132.349534132.349534132.349534132.349534132.349534132.349534132.349534132.349534132.349534132.34953466.17476766.17476766.17476766.17476766.17476766.17476766.17476766.17476766.17476766.174767NANANA
us-gaap:CommonStockSharesOutstanding █████████▇▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▁▁▁▁▁▁▁▁▁▁189.0188.9188.9190.3190.3190.277837191.699193191.676482188.183106162.817696.61494696.60694696.38637996.22736596.03435295.99958295.98444395.89623695.42543289.06538790.11949290.10413691.83610696.47808496.66608396.61045596.27439596.25481896.30947896.44836595.90994896.30494496.27088948.09394947.70368447.88720447.88546648.16701747.9463647.96507748.24542748.17216347.954085NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding ▄▄188.9188.9NA190.2190.2191.4NA191.5191.453121.226NA96.63796.57596.371NA96.31696.28495.991NA90.29390.55992.149NA97.36897.43597.385NA97.00497.05896.805NA97.17497.10248.286NA48.27148.42248.341NA48.36648.46348.251NA48.06448.08947.895
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic █▁188.6188.5NA189.8189.8190.8NA189.6177.348121.226NA96.20895.99295.81NA95.70995.64195.243NA89.58989.84691.258NA96.36996.33896.243NA95.93596.04895.529NA95.84895.76247.512NA47.64347.83547.707NA47.87447.9547.738NA47.67747.72547.461
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount ▁█0.20.349NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:EarningsPerShareBasic ▄▄▃▄▃▄▄▃▄▁▃▅▅▅▄▄▅▅▃▅▆▆▆▆▆▆▆▆▅▅▅▅▅█▇▇▇▇▆▆▅▅▄▄▄▄0.660.590.47000000000000020.670.460.580.710.480.58-0.040.360.910.880.920.510.70.750.770.420.921.01.031.061.031.051.00.960.940.920.840.770.770.781.461.351.321.351.240.960.970.750.850.640.640.650.64
us-gaap:EarningsPerShareDiluted ▄▄▃▄▃▄▅▃▄▁▃▅▅▆▄▄▅▅▃▅▆▆▆▆▆▆▆▆▅▅▅▅▅██▇▇▇▆▆▅▅▄▄▄▄0.660.590.459999999999999960.670.460.580.710.480.54-0.040.360.910.870.920.510.70.750.770.420.911.01.021.051.021.040.990.950.930.910.830.760.760.771.441.341.31.331.220.960.960.750.850.640.630.650.63
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 COGS Ratio us-gaap:ProductOrService us-gaap:Product▅▄▆▅▄▅█▅▇▄▁▁▁▁1588.01485.11692.81543.61406.11590.81975.51605.41892.5081434.5091069.71031.71065.8931010.677NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 COGS Ratio us-gaap:ProductOrService us-gaap:Service█▇▆▆▆▆▇▇▇▃▁▁▁▁424.3345.1330.9321.5331.3339.1392.9396.3343.776159.10848.146.145.78745.5NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 EBT Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,wab:FreightSegment▆▅▆▅▅▆█▆▇▄▁▁▁▁1347.71195.71351.61248.21217.61313.51790.41309.81507.658893.138390.925405.087430.957391.556NANANANANANANANA509.371516.198543.703NA490.251463.11421.612NANANANANANANANANANANANANANANANANA
 EBT Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,wab:TransitSegment▆▅▆▄▁▄▃▇█▇█▆▆▆683.4656.6697.9635.6538.8638.0591.9717.1749.718723.305742.94690.975702.406680.512NANANANANANANANA334.536309.465315.153NA340.988345.764321.007NANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,wab:FreightSegment▆▅▆▅▅▆█▆▇▄▁▁▂▁▁▁▁▁▁▁▁▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁1347.71195.71351.61248.21217.61313.51790.41309.81507.658893.138390.925405.087430.957391.556373.657348.561344.828347.946380.883361.998397.067448.477509.371516.198543.703520.815490.251463.11421.612392.689394.113345.943362.771320.739347.714360.321NANANANANANANANANANA
 Operating Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,wab:TransitSegment▇▇▇▆▅▆▆████▇▇▇█▆▆▆▄▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁683.4656.6697.9635.6538.8638.0591.9717.1749.718723.305742.94690.975702.406680.512717.204622.24587.425568.088428.011313.576326.534331.039334.536309.465315.153309.291340.988345.764321.007312.576294.033293.507284.55303.191267.235236.165NANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 TTM Greenblatt ROC _ _▇▇▅▇▅██▆▇▂▃▄▄▄▃▃▃▄▁▄▄▅▅▅▅▅▄▄▄▄▃▃▃▃▃▃▃▃▂▂▁▂▁203.3191.6161.1206.7159.4217.3226.1169.1200.63767.30793.456125.179123.523131.27991.163102.011113.701114.85862.8120.096133.284142.181151.209152.078155.86148.42136.963135.977132.323121.846111.218109.871112.554103.667100.46296.842100.86594.1172.50975.45356.36266.37751.349NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AllocatedShareBasedCompensationExpense █▄▁▆▁▄▇▆█▄▃▃▄▃▄▁▃▃▃▃▂▃▃▃▃▄▄▄▃▃▃16.08.21.912.01.67.313.911.815.88.54.86.48.35.76.82.66.25.76.05.14.25.55.95.16.28.87.07.05.46.76.5NANANANANANANANANANANANANANANA
us-gaap:ComprehensiveIncomeNetOfTax ▆▄█▇▅▂█▁▆▂▃▄▁▇▅▇█▆▂▅▄▆▅▄▆▃▄▄▅▅▅▅▅▄▅▅▄▅▄▃▄▄▄▅▃158.042.5231.1183.6109.6-66.4221.7-88.3124.055-56.889-16.42738.207-105.801167.37495.886160.019219.125121.842-55.73986.71949.236121.78582.26851.669137.39310.06517.48531.8396.80880.92791.264107.97767.82943.87366.28174.21248.08670.48631.36210.99643.53761.43426.99564.4373.822NA
us-gaap:CostOfGoodsAndServicesSold ▇▆▇▆▆▆█▇█▆▄▄▄▃▄▃▃▃▂▂▂▂▃▂▃▂▃▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁1432.21296.01518.21298.91250.71351.21693.51402.31621.6081204.6820.851775.802787.713745.296807.098704.728658.29646.327540.793463.093486.212516.851565.221552.458579.264563.239566.569549.813506.41485.68481.357443.265445.121432.622429.92416.314436.393413.928387.305351.689336.155322.064275.253266.47260.673255.538
us-gaap:GrossProfit ▇▆▆▇▆▇█▇▇▄▃▃▄▄▃▃▃▃▂▂▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁580.1534.2505.5566.2486.7578.7674.9599.4614.676389.017297.025302.012323.967310.881268.44253.203273.963269.707219.189212.481237.389255.18267.628257.069267.764255.355254.297247.458224.658209.569200.125188.133192.881182.888180.48171.279173.427169.381147.334147.151142.744133.195117.988109.237113.464108.389
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest █▇▆█▅▇█▅▇▁▃▅▄▅▄▄▅▅▂▅▆▆▇▇▇▇▆▆▆168.7158.2118.3175.4114.3149.2174.7113.3144.25414.5157.56102.66793.774113.58174.68481.18596.72999.46533.06115.227127.086137.464149.398144.79149.932141.248131.206131.229128.041NANANA109.68999.47297.12892.37997.57990.27269.84270.1652.15963.15347.79245.84646.646NA
us-gaap:IncomeTaxExpenseBenefit ▇▇▆█▆▇▇▅▇▅▅▄▄▅▅▄▅▆▁▆▇▇████▇▇▇▇▆▆▆▆▆▆▆▆▅▅▄▅▄▄▄▄43.543.531.546.928.538.037.722.741.418.52322.65416.59810.50326.12424.99712.74624.56927.461-13.26832.79936.60143.30147.61945.60948.42845.08438.5241.07439.33637.24533.50130.44135.05129.85932.36329.38532.86731.01123.57923.5615.82522.20116.81215.30215.43516.179
us-gaap:InterestIncomeExpenseNet ▃▂▂▃▂▂▁▁▁▃▄▅▄▆▆▆▆▆▅███████████████████████████-44.9-47.6-48.6-45.6-51.4-53.3-58.3-57.7-58.56-44.569-36.318-23.713-31.92-20.284-17.679-17.893-15.42-17.712-26.664-6.057-4.969-4.871-4.19-4.351-4.041-4.306-4.005-4.594-4.525-4.45-4.627-3.829-3.271-3.614-3.948-3.07-3.509-3.724-3.766-3.764-3.793-3.684-3.923-3.996-4.092-3.912
us-gaap:NetIncomeLoss ▇▇▆█▆▇█▆▆▁▃▆▅▆▄▅▅▅▃▅▆▆▆▆▆▆▆▆▆▅▅▅▅▅▄▄▄▄▄▄▃▃▃▃▃▃124.8112.487.9128.186.8111.6135.791.1104.235-4.47234.42387.73984.41688.36648.94867.39972.02573.88937.81182.42890.48594.163101.77999.181101.50496.16492.68690.15588.70580.13474.04173.94374.63869.61364.76562.99464.71259.26146.26346.636.33440.95230.9830.54431.21130.364
us-gaap:NetIncomeLossAttributableToNoncontrollingInterest ▃▄▂▃▂▂▃▂▁▃▃▁▂▂▃▃▂▁█▂▂▂0.42.3-1.10.4-1.0-0.41.3-0.5-1.3810.4590.483-1.67-1.1-0.90.7391.00.135-1.8858.5170.00.00.0NANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic 124.5NANANA86.6NANA90.9103.5NANA87.584.163NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted ▇▇▆█▆▇█▆▆▁▃▆▅124.5112.187.7127.986.6111.2135.290.9103.922-4.634.587.584.163NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NonoperatingIncomeExpense ▇█▆█▆▁▆▅▅▃▅▅▅▅▅▄▄▅▄▅▄▅▅▄▄▄▄▅▅▅▅▄10.314.25.814.36.3-14.86.91.92.177-8.2280.4221.2012.1712.5861.2-2.933-1.5522.319-3.0761.188-1.2290.1542.379-2.937-1.887-2.866-1.752-0.1540.243-0.0170.951-1.658NANANANANANANANANANANANANANA
us-gaap:OperatingExpenses ▇▆▆▆▆▆██▇▆▄▃▄▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▂▁▁▁▁▁376.8342.6344.4359.5327.3361.4448.8430.3414.039321.71203.569176.833200.444179.602177.277151.192160.262154.849156.38992.385104.105112.999116.419104.991111.904106.935117.334111.48192.33587.72388.90778.26280.32779.22180.01874.43772.56275.27174.82571.69886.38266.81866.63958.60463.81257.213
us-gaap:OperatingIncomeLoss ▇▇▅▇▅██▆▇▂▃▄▄▄▃▃▄▄▂▄▄▅▅▅▅▅▄▄▄▄▃▃▃▃▃▃▃▃▂▂▁▂▁▁▁▁203.3191.6161.1206.7159.4217.3226.1169.1200.63767.30793.456125.179123.523131.27991.163102.011113.701114.85862.8120.096133.284142.181151.209152.078155.86148.42136.963135.977132.323121.846111.218109.871112.554103.667100.46296.842100.86594.1172.50975.45356.36266.37751.34950.63349.65251.176
us-gaap:OtherComprehensiveIncomeLossNetOfTax ▆▄█▆▅▁▇▁▅▄▄▄▁▇33.2-69.9143.155.622.8-178.086.0-179.419.82-52.417-50.891-49.5-190.21779.008NANANANANANANANANANANA-86.099-75.201-58.3258.1030.79317.22334.034-6.809-25.741.51611.218-16.62611.225NANANANANANANANA
us-gaap:OtherNonoperatingIncomeExpense ▆▅▆▅█▂▁▆▆▅▅▇▅▅▇▆▅▇▆▆▆▅▅▅▅▅▅▆▅▅▆▃▆▄▆▃▅▅▆▃▅▆▆▄▆▄0.70.20.5-0.22.3-2.5-3.31.00.4870.1490.0891.265-0.173-0.0341.6240.66-0.0411.1060.4370.3080.301-0.0080.0450.121-0.346-0.4720.1390.3010.243-0.0170.951-1.6580.406-0.5810.614-1.3930.223-0.1141.099-1.529-0.410.460.366-0.7911.086-0.721
us-gaap:ProfitLoss ▇▇▆█▅▇█▆▆▁▃▅▅▆▄▅▅▅▃▅▆▆125.2114.786.8128.585.8111.2137.090.6102.854-4.01334.90686.06983.27187.45749.68768.43972.1672.00446.32882.42890.48594.163NANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ResearchAndDevelopmentExpense ▆▅▅▅▅▇███▅▃▃▂▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁42.037.738.436.538.249.059.658.657.1234.54525.88120.13219.38822.04923.68924.70923.33823.46419.10416.28918.02917.95319.34817.23917.7516.86318.32816.39114.22112.94612.75410.92111.2811.33410.2610.75310.14510.1499.2799.8949.1328.8889.7219.36210.42510.695
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax ▇▆▇▆▆▆█▇█▅▄▃▄▃▃▃▃▃▂▂▂▂▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁2012.31830.22023.71865.11737.41929.92368.42001.72236.2841593.6171117.8761077.8141111.681056.1771075.538957.931932.253916.034759.982675.574723.601772.031832.849809.527847.028818.594820.866797.271731.068695.249681.482631.398638.002615.51610.4587.593609.82583.309534.639498.84478.899455.259393.241375.707374.137363.927
us-gaap:Revenues ▇▆▇▆▆▆█▇█▅▄▃▄▃▃▃▃▃▂▂▂▂▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁2012.31830.22023.71865.11737.41929.92368.42001.72236.2841593.6171117.8761077.8141111.681056.1771075.538957.931932.253916.034759.982675.574723.601772.031832.849809.527847.028818.594820.866797.271731.068695.249681.482631.398638.002615.51610.4587.593609.82583.309534.639498.84478.899455.259393.241375.707374.137363.927
us-gaap:SellingGeneralAndAdministrativeExpense ▆▆▆▆▅▆█▇▇▆▄▄▄▄▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▂▁▁▁▁▁▂▁▁▁▁▁262.1235.4235.2252.7216.8243.4323.7292.2290.959259.723168.047146.839171.157147.201144.145117.838127.574122.341130.68770.75780.6189.75191.40482.20688.99284.77193.11788.35972.98270.08171.14263.40263.87464.364.77459.74359.16362.02961.09957.67673.94354.81653.41446.60451.24344.631
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:Assets ██████████▄▄▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁18512.418543.218454.518444.418465.418773.118944.218900.918942.59319077.9058649.2348553.2266677.6066875.7816579.986449.656438.746030.8996581.0183428.1573379.1963380.7853300.3353326.0823298.1233167.5073303.8413228.3873163.8682916.5192821.9972816.982516.392506.1752351.5422396.0422331.8972219.5742158.9532005.6172011.4781897.1281803.081NANANA
us-gaap:Liabilities ▇▇▇▇▇█████▅▅▃▃▃▃▃▃▃▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁8184.68366.18301.88392.08584.88975.48950.69171.59107.4369297.4595780.1595642.8743802.9783887.5523751.4483713.2813854.3693662.1313604.1931697.6661653.3571702.3991598.9961340.6411341.7911350.1531495.5431438.7781398.1761236.1311234.831299.9311110.6841174.9071069.5251165.0251177.7441095.6941111.309991.357993.162927.495899.694NANANA
us-gaap:LiabilitiesAndStockholdersEquity ██████████▄▄▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁18512.418543.218454.518444.418465.418773.118944.218900.918942.59319077.9058649.2348553.2266677.6066875.7816579.986449.656438.746030.8996581.0183428.1573379.1963380.7853300.3353326.0823298.1233167.5073303.8413228.3873163.8682916.5192821.9972816.982516.392506.1752351.5422396.0422331.8972219.5742158.9532005.6172011.4781897.1281803.081NANANA
us-gaap:StockholdersEquity ██████████▂▂▂▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁10294.410144.110122.310016.99845.69761.89956.59696.49801.769687.8462865.1312895.172857.282969.1182808.8682717.7022566.8572351.5912205.9771727.0741722.5371676.5611699.6071984.1471955.3481816.2471807.2421788.6571764.3161679.0271585.2591512.6731401.261326.3811276.831225.2661151.0661120.9951045.1891011.0171014.816966.043899.771NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AssetsCurrent ▇▇▇▇▇███████▄▄▄▄▄▄▅▃▃▃▃▃▂▂▃▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁3808.23779.03879.83936.23969.74241.14192.14410.44229.144381.1374449.6674353.5482446.8872465.8142265.1132277.1252344.8092166.2332867.6311695.1321700.3581686.5651612.4481650.0911579.9661503.9331637.8641533.8081526.8511434.1781333.0471344.4341189.9851168.9861092.9381184.0491143.4641114.0221055.782950.377931.932844.935801.953NANANA
us-gaap:CashAndCashEquivalentsAtCarryingValue ▅▆█▇████▆▆▇▅▂▂▂▂▄▃▅▂▃▂▂▂▃▂▅▂▂▃▃▃▂▂▂▃▂▃▃▂▂▂▂▁▁▁453.5483.5598.7559.3587.9615.9604.2587.4461.371512.87580.908411.381245.574249.886233.401228.08328.522280.179398.484250.382302.935262.774226.191208.241264.844249.135425.849212.541225.907295.103285.76281.007214.505225.338215.766282.055234.105269.304285.615221.136221.475200.687236.941176.808166.509178.9
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▂▂▂▂▂▂▂▂▂▂█▇▁▁▁▁453.5483.5598.7559.3587.9615.9604.2587.4461.371512.872342.3542135.381245.574249.886233.401228.08NA280.1791143.232NANANA429.133NANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:AccountsReceivableNetCurrent ▆▆▆▆▆▇▇███▅▅▅▅▅▅▅▄▄▃▂▃▃▂▃▃▂▂▂▂▂▃▃▂▂▂▂▂▂▂▂▁▁1020.9985.3969.31020.0964.41149.11149.91213.11247.451271.198801.193851.244835.15885.917800.619792.726812.727754.358667.596477.5440.9475.659494.975474.213505.539495.712443.464474.93465.092388.863349.458570.276488.449432.797389.915430.23442.141396.49346.281346.436336.673305.687258.149NANANA
us-gaap:InventoryNet ▇▇▇▇▇▇▇███▃▄▄▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁1661.21671.51642.11779.71799.51785.71773.11957.31881.7911947.22844.886866.205863.793829.276742.634764.781746.236703.881658.51495.998493.442478.723478.574517.486535.002515.945510.949489.053481.507420.058403.229400.295405.938428.584407.039391.592388.798370.74348.174324.876311.169284.964253.491NANANA
us-gaap:OtherAssetsCurrent █▇█▆▆▆▅▇▆▇▄▄▄▄▄▅▅▅▄▂▂▂▂▂▂▁▁▃▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁240.9221.0226.5163.7172.0167.5150.9192.4178.569194.223115.649111.441124.286117.955122.291139.925141.06130.631123.38138.7635.71340.26634.29443.86755.64328.76825.88764.86649.8730.45838.93331.64820.71721.3619.32421.5819.60820.15718.37318.90123.17814.33713.799NANANA
us-gaap:MachineryAndEquipmentGross NANA1474.6NANANA1363.8NANANA749.782NANANA728.257NANANA645.354NANANA502.086NANANA476.467NANANA440.297NANANA406.574NANANA374.942NANANA347.389NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AssetsNoncurrent 14704.2NA14574.7NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PropertyPlantAndEquipmentGross NANA2373.32283.62240.52208.92216.02177.12170.6182133.7781036.551026.1841009.1981027.9441026.046988.223975.599935.9912.23750.547730.05730.531717.295707.925711.966693.956683.034682.297679.517598.269597.74585.355549.573563.5555.924534.687526.648523.105513.113495.882505.842497.465478.023NANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment NANA771.7679.9628.1585.9560.2554.4524.521498.812472.813468.761453.364454.543452.074437.856427.757411.841393.854392.577381.4376.658364.102356.691354.996344.913343.923339.932336.363324.622321.662318.405308.607320.784311.836305.54299.941298.083291.091285.964287.398281.04271.798NANANA
us-gaap:AmortizationOfIntangibleAssets ▇▇▇▇▇▇▇█▇▃▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁72.769.570.870.372.369.065.579.565.9627.4429.6419.8629.89910.3529.5168.69.359.0446.65.35.4665.2955.6545.5465.1625.3015.8896.7315.14.75.03.95.23.65.03.93.33.14.54.13.33.13.52.62.1NA
us-gaap:PropertyPlantAndEquipmentNet ▇█████████▃▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁1544.31575.51601.61603.71612.41623.01655.81622.71646.0971634.966563.737557.423555.834573.401573.972550.367547.842524.059518.376357.97348.65353.873353.193351.234356.97349.043339.111342.365343.154273.647276.078266.95240.966242.716244.088229.147226.707225.022222.022209.918218.444216.425206.225NANANA
us-gaap:Goodwill ██████████▃▃▃▃▃▃▃▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁8653.28625.78485.28366.18309.98273.78360.68103.28150.6718142.4732396.5442412.5542428.5912528.8192460.1032384.7582343.6082188.5032078.765877.054860.027867.623858.532852.995864.921834.157862.338864.46821.572787.61786.433790.756714.954728.021666.022656.933623.931593.559587.531566.337575.676575.197545.832NANANA
us-gaap:IntangibleAssetsNetExcludingGoodwill ▇▇▇▇▇▇████▃▃▃▃▃▃▃▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁3876.03927.23869.23889.63935.44010.04104.04207.04364.3564364.0211129.881157.4241174.41231.7271204.4321140.3871129.3651089.1121053.86457.262430.331437.149440.534436.991454.533441.363422.811449.533435.429380.541385.679376.137329.834325.297308.321284.889297.686254.312257.355236.711245.703227.883216.913NANANA
us-gaap:FiniteLivedIntangibleAssetsNet ▇▇▇▇▇▇▇███▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁3215.43268.03218.53262.03321.13395.83480.93592.53737.7963739.47547.089557.972571.608602.619601.013556.706576.107563.388543.428279.058262.56268.305273.154269.386280.783274.087252.705275.641278.289224.157228.885232.164191.309186.792176.995158.772172.971138.694142.809128.244134.583NA113.402NANANA
us-gaap:OtherAssetsNoncurrent ███████▇▇▇▂▁▁▁▁▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁630.7635.8618.7648.8638.0625.3631.7557.6552.329555.308109.40672.27771.89476.0276.3697.01373.11662.99262.38640.73939.8335.57535.62834.77141.73339.01141.71738.22136.86240.54339.77338.70340.65141.15539.99NANA32.57936.02339.99236.42929.1828.812NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AccountsPayableCurrent ▆▆▆▆▇▇█▇██▄▄▄▄▄▃▃▃▃▂▂▂▂▂▂▂▃▂▂▂▂▂▂▂▂▁▂▁▁▁▁▁▁994.7955.0909.4962.01006.01087.21157.51146.21232.5971187.261589.449557.449615.677608.316552.525512.905548.15512.23530.211276.539305.16304.247319.525319.225377.457381.285399.845389.284397.371345.312326.666288.026272.519267.445248.593235.568249.455236.002244.649179.411185.871174.542170.504NANANA
us-gaap:ContractWithCustomerLiabilityCurrent ▆▇▇▇▇▆▆█▇▆▁▁▁▁▁597.5640.7642.7640.9619.5602.8604.2670.6648.503573.244373.538374.104390.126378.158369.716NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LiabilitiesCurrent ▇▇▇▇█▇▇▇▇▇▄▄▄▄▄▃▄▄▃▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁2844.73168.93226.33228.63483.22981.63258.03198.93211.3153254.4351646.691530.2931606.4681648.0481573.331465.441482.0991471.4071446.639624.935664.552657.668664.776654.649699.527695.769738.802674.748668.416580.905579.4541.758524.272560.981553.059540.692550.314535.558541.385453.593456.144381.471348.374NANANA
us-gaap:LongTermDebtCurrent ▁▅▅▆█▂▂0.6353.9447.2454.8697.192.895.7NANANA64.1NANANANANANANANANANANANANANANANANANANANA0.0850.0430.0430.0430.0430.0430.0430.06840.06840.06840.06840.068NANANA
us-gaap:OtherAccruedLiabilitiesCurrent ▇▇▇▇▇▇█▇▇▇▃▃▃▃▃▃▃▃▃▁▂▂▁▁▁▁▁▁▁▁▁▁▁▂▂▂▂▂▂▁▁▁▁763.5722.2744.6704.0712.7724.6830.3766.6714.165681.421310.785250.063272.906300.886302.112242.056232.576254.626261.17108.095108.681116.0595.62783.93481.73780.5186.71891.93190.06472.88585.087.37680.72122.527128.096112.679135.159139.999145.48590.29188.0269.09853.019NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:LongTermDebt ▁▃▃▃▅█▅4080.24277.24239.44254.74465.84747.94429.3NANANA3856.9NANANANANANANANANANANANANANANANANANANANA539.691396.958417.57317.896432.897443.131385.874395.873406.155396.258NA422.075NANANA
us-gaap:LongTermDebtNoncurrent ▃▂▁▁▁█▅4079.63923.33792.23799.93768.74655.14333.6NANANA3792.8NANANANANANANANANANANANANANANANANANANANA539.606396.915417.527317.853432.854443.088385.831395.805366.087356.19360.001382.007NANANA
us-gaap:LongTermDebtAndCapitalLeaseObligations NANANA3799.93768.74655.14333.64633.54528.7684641.2863792.7743818.0611857.8061871.0761823.3031824.1561934.6041782.6241762.967819.77744.139801.883695.294450.589400.348420.406520.403521.087500.219450.247450.288NANANA317.853NANANANANANANANANANANA
us-gaap:DeferredIncomeTaxLiabilitiesNet █▇▆▆▆▅▅▁▆▇█194.1186.4168.4163.1155.6151.4145.372.6169.861176.116198.269NANA182.78175.902NANANA245.68NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent ▇██▇▇██▆▆▆▆▆▆▇▇▇███▂▂▂▂▄▄▄▅▃▁▁▁▂▃▃▃▂▂▃▃▁▂▂▂108.1110.0113.5106.1106.6109.2113.092.695.62596.53395.44695.3198.742105.556103.734108.182112.93110.12110.59755.60956.48759.55355.76578.43779.43478.05981.90862.37147.97349.63250.00360.30462.9963.6566.38859.85560.49763.78963.83750.88559.70460.1860.508NANANA
us-gaap:MinorityInterest ▁▁▁▁▁▁▁▁▁▂▁▁▁▁▁▁▁▁█▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁33.433.030.435.535.035.937.133.033.39792.63.94415.18217.34819.11119.66418.66717.51417.177770.8483.4173.3021.8251.7321.2940.9841.1071.0560.9521.3761.3611.9084.3764.4464.8875.1875.7513.0872.8852.4553.2433.53.593.616NANANA
us-gaap:OtherLiabilitiesNoncurrent ▅▆▆▆▆▆▆███▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁738.9758.9783.3793.8773.1783.4808.91143.11069.6151097.52628.91427.55767.57363.14159.65819.14623.38325.90321.55222.80723.82723.64322.9820.95121.73320.58820.72419.8226.44118.3222.11621.28621.32725.31321.45921.40114.7315.39113.55115.18314.00417.7816.397NANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo ▅▃█▁47.645.650.143.9NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree ▇▄█▁42.440.343.437.7NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour ▆▄█▁36.834.837.932.9NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA32.4NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NANA103.6NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:StockholdersEquity ██████████▂▂▂▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁10294.410144.110122.310016.99845.69761.89956.59696.49801.769687.8462865.1312895.172857.282969.1182808.8682717.7022566.8572351.5912205.9771727.0741722.5371676.5611699.6071984.1471955.3481816.2471807.2421788.6571764.3161679.0271585.2591512.6731401.261326.3811276.831225.2661151.0661120.9951045.1891011.0171014.816966.043899.771NANANA
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest ██████████▂▂▂▃▂▂▂▂▃▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁10327.810177.110152.710052.49880.69797.79993.69729.49835.1579780.4462869.0752910.3522874.6282988.2292828.5322736.3692584.3712368.7682976.8251730.4911725.8391678.3861701.3391985.4411956.3321817.3541808.2981789.6091765.6921680.3881587.1671517.0491405.7061331.2681282.0171231.0171154.1531123.881047.6441014.261018.316969.633903.387NANANA
us-gaap:CommonStockValue ██████████▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▁▁▁▁▁▁▁▁▁▁2.02.02.02.02.02.02.02.01.9811.9811.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3230.6620.6620.6620.6620.6620.6620.6620.6620.6620.662NANANA
us-gaap:AdditionalPaidInCapitalCommonStock ██████████▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁7896.77883.97880.67882.37871.77875.07877.27815.87807.1097796.27914.568916.768910.35907.801906.616900.536898.459894.377869.951470.908466.553462.814469.326463.151456.498449.596448.531NANANA415.059NANANANANANANANANANANANANANANA
us-gaap:RetainedEarningsAccumulatedDeficit ███▇▇▇▇▆▆▆▆▆▆▆▆▅▅▅▅▅▅▅▄▄▄▄▃▃▃▃▃▂▂▂▂▂▂▂▁▁▁▁▁3780.13678.33588.93524.23419.03355.63267.03154.83087.4683005.8093021.9682999.1392922.9862850.1352773.32735.8762679.9952617.5752553.2582524.3542450.8842367.6092280.8012186.6732095.2241999.5191909.1361822.2251737.851653.0081576.7021506.5051436.5661364.9991297.7721235.4171174.8011111.5291053.7061008.886963.727927.877887.406NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▃▃▄▂▁▁▃▂▄▄▅▅▆█▇▇▅▄▃▄▄▅▄▅▅▅▆▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇-375.8-409.0-339.1-482.2-537.8-560.6-382.6-468.6-289.18-309.0-256.583-205.733-156.20134.016-44.992-91.93-184.55-331.652-379.605-286.055-290.346-249.097-276.719-257.208-209.696-245.585-159.486-84.285-25.96-34.063-34.856-52.079-86.113-79.304-53.564-55.08-66.298-49.672-60.897-45.996-10.393-17.595-38.077NANANA
us-gaap:TreasuryStockValue ███▇▇▇▆▆▆▆▆▆▆▆▆▆▆▆▆█▇▇▆▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁1008.61011.11010.1909.4909.3910.2807.1807.6805.618807.214816.145816.327821.178824.157827.379828.103828.37830.032838.95983.456905.877906.088775.124409.792388.001388.606392.262392.475383.095369.209372.969345.603341.313342.005349.388331.708327.016305.453309.196307.252290.11286.609290.081NANANA
us-gaap:MinorityInterest ▁▁▁▁▁▁▁▁▁▂▁▁▁▁▁▁▁▁█▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁33.433.030.435.535.035.937.133.033.39792.63.94415.18217.34819.11119.66418.66717.51417.177770.8483.4173.3021.8251.7321.2940.9841.1071.0560.9521.3761.3611.9084.3764.4464.8875.1875.7513.0872.8852.4553.2433.53.593.616NANANA
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue █▁13.98.7NA10.2-2.710.02.112.215.4068.5261.0466.58.2875.696NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▅▆▆▅▆▁█▄█▂▆▂▃▂▄▃▂▂▅▃▄▃223.2292.2325.6229.5310.5-81.9447.8123.776412.58631.338276.633-29.86643.70424.2162.340.21412.393-26.096202.41432.917138.4175.566NANANANANANANA26.215150.65739.913.05632.04123.91382.98929.5550.981148.60633.97449.5616.486100.88750.86112.02112.367
us-gaap:NetCashProvidedByUsedInInvestingActivities ▆▆▆▆▆▆▆▆▆▁▆▆▆▆▆█▆▅▅-30.4-422.0-35.5-21.7-35.6-62.6-68.0-69.436-300.716-2739.648-43.127-35.06-25.235-43.865-125.905734.805-65.505-819.124-659.174NANANANANANANANANANA-4.928-19.207-115.638-3.046-120.801-58.877-21.329-94.64-10.098-72.519-9.401-25.865-38.397-53.09-58.638-3.352-41.175
us-gaap:NetCashProvidedByUsedInFinancingActivities ▁▂▁▁▁▃▁▂▂▅▂█▂▂▂▂▂▂▄-220.27.7-258.2-237.3-307.0183.5-355.690.992-156.882882.99-17.1991972.546-5.90428.668-27.382-111.63981.063-39.473636.53NANANANANANANANANANA-8.954-126.06138.003-19.096100.167-134.017-15.35434.372-9.724-12.895-8.752-4.523-20.58912.1760.049-13.4527.073
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▄▄▅▄▄▄▄▅▄▁▅█▄▄▄-30.0-115.239.4-28.6-28.011.716.8126.083-51.499-1829.484206.9731889.807-4.31216.4855.321NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:IncreaseDecreaseInAccountsPayable ▇█▃▃▂▃▆▃█▁█▃▇▇▇▄▄▅▇▅▆▅▆▃▅▅▆▆▇▆▇▆▆▆▆▅▆▅█▆▆▆▇▆▆▆35.447.0-65.6-54.9-88.3-60.22.2-74.56544.44-116.37544.569-55.21727.31532.09629.667-45.628-51.071-24.6924.845-30.024.245-18.0024.051-55.686-12.084-12.93114.407-2.68224.51219.14137.4342.2346.34814.966.086-16.3648.187-10.39256.278-2.76610.499-4.03738.4760.7942.4832.541
us-gaap:IncreaseDecreaseInAccountsReceivable ▇▆▅▆▁▇▆▆▆▇▅▇▆▇▆▆▆█▅▇▆▇▆▅▆▇▅▆▆█▆▇▇▇▅▆▇▇▆▆▇▇▆▆▇▇38.1-9.3-69.80.9-268.722.6-26.0-3.405-15.90951.614-45.60140.233-6.36866.3478.43-6.298-29.93796.481-58.0936.191-21.67323.844-22.381-34.907-3.71439.502-71.946-2.56711.48680.44-17.47664.0260.62142.534-48.454-15.64939.64247.437-11.58814.70629.63335.946-11.776-20.23231.40734.856
us-gaap:IncreaseDecreaseInInventories ▅▆▂▅▆▆▁█▄▄▅▆▇▇▅▆▆▇▅▆▆▆▅▆▆▆▇▆▆▆▆▅▅▆▆▆▆▆▆▆▆▆▆▆▆▆-19.011.2-173.0-38.16.823.5-197.288.724-72.124-75.3-16.649.39265.37650.755-44.414.95916.26132.145-43.039-13.19412.293-1.4-35.994-9.6896.99518.54130.13113.7091.14419.1052.965-22.022-20.20913.2065.892-1.7747.91220.46116.14816.58325.36521.441-0.684-3.1621.6863.81
us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet ▄▅█▆▆▇▂▂▅▁▃▄▆▅▁▄▆▇▃▅▄▅▄▄▅▅▄▅▅▄▅▅▅▅▃▅▄▅▂▅▅▄▄▅▅▄-5.422.5102.936.142.383.2-70.2-77.24524.451-104.106-45.196-4.69957.77924.252-97.664-4.96131.17463.349-35.2878.399-23.44516.858-3.542-18.58524.32513.807-8.84419.61119.247-6.2180.5269.601-0.5876.782-32.819.022-6.6779.472-61.2390.63813.979-1.724-1.41410.3831.713-6.516
us-gaap:NetCashProvidedByUsedInOperatingActivities ▅▆▆▅▆▁█▄█▂▆▂▃▂▄▃▂▂▅▃▄▃223.2292.2325.6229.5310.5-81.9447.8123.776412.58631.338276.633-29.86643.70424.2162.340.21412.393-26.096202.41432.917138.4175.566NANANANANANANA26.215150.65739.913.05632.04123.91382.98929.5550.981148.60633.97449.5616.486100.88750.86112.02112.367
us-gaap:NetIncomeLoss ▇▇▆█▆▇█▆▆▁▃▆▅▆▄▅▅▅▃▅▆▆▆▆▆▆▆▆▆▅▅▅▅▅▄▄▄▄▄▄▃▃▃▃▃▃124.8112.487.9128.186.8111.6135.791.1104.235-4.47234.42387.73984.41688.36648.94867.39972.02573.88937.81182.42890.48594.163101.77999.181101.50496.16492.68690.15588.70580.13474.04173.94374.63869.61364.76562.99464.71259.26146.26346.636.33440.95230.9830.54431.21130.364
us-gaap:ProfitLoss ▇▇▆█▅▇█▆▆▁▃▅▅▆▄▅▅▅▃▅▆▆125.2114.786.8128.585.8111.2137.090.6102.854-4.01334.90686.06983.27187.45749.68768.43972.1672.00446.32882.42890.48594.163NANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ShareBasedCompensation █▅▂▆▁▅▇▆█▅▄▄▅▄▄▃▄▄▄▄▃▄▄▄▄▅▄▄▄▄▄▄▄▄▄▄▄▄▄▃▄▃▃▃▃▃16.08.21.911.9-1.67.313.912.16815.4068.5264.8316.5018.2875.6966.7482.666.1875.6926.0255.1154.1635.515.9275.1036.2268.7637.0277.0045.3966.7076.5116.5065.535.564.8415.0874.8755.0455.4243.8525.9513.4193.5472.5783.1492.491
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▆▆▆▆▆▆▆▆▆▁▆▆▆▆▆█▆▅▅-30.4-422.0-35.5-21.7-35.6-62.6-68.0-69.436-300.716-2739.648-43.127-35.06-25.235-43.865-125.905734.805-65.505-819.124-659.174NANANANANANANANANANA-4.928-19.207-115.638-3.046-120.801-58.877-21.329-94.64-10.098-72.519-9.401-25.865-38.397-53.09-58.638-3.352-41.175
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▄▃▄▄▄▄█▆▄▄▄▃▃▂▄▃▃▃▃▂▂▂▂▂▂▂▂▂▂▁▂▂▁▁▂▁▁▂▂▂▁▁▂▁▁▁29.026.537.731.134.333.372.750.73332.14729.7229.07324.50922.25717.46629.20321.83819.09819.32718.5412.57210.68.50416.34912.21912.4028.45816.68512.6212.0246.33317.6438.9878.166.44811.3078.2336.2710.19115.7459.415.4157.4018.4725.3643.4063.601
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▁▂▁▁▁▃▁▂▂▅▂█▂▂▂▂▂▂▄-220.27.7-258.2-237.3-307.0183.5-355.690.992-156.882882.99-17.1991972.546-5.90428.668-27.382-111.63981.063-39.473636.53NANANANANANANANANANA-8.954-126.06138.003-19.096100.167-134.017-15.35434.372-9.724-12.895-8.752-4.523-20.58912.1760.049-13.4527.073
us-gaap:PaymentsOfDividendsCommonStock █████████▄▄▄▄▄▄▄▃▃▃▃▂▂▂▂▂▂▂▂▁▁▁22.923.023.322.823.423.023.523.93722.57611.68711.59511.58611.56511.53111.52511.5169.6059.5728.9078.9587.217.3557.6487.7355.85.785.7755.783.8633.8283.844NANANANANANANANANANANANANANANA
us-gaap:PaymentsForRepurchaseOfCommonStock ▁▁█▁▁█0.01.2101.90.00.0105.3NANA0.00.0NANANANA0.00.00.00.00.078.4380.0133.738365.45122.3360.00.00.0NANANA27.512NANANA18.559NANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument wab:A125PercentEuroNotesDueTwoThousandAndTwentySeven1.25e-06NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument,us-gaap:LongtermDebtType,us-gaap:SubsequentEventType wab:A320PercentSeniorNotesDueTwoThousandAndTwentyFive,us-gaap:SeniorNotes,us-gaap:SubsequentEventNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.01981000.01981000.01323000.01323000.01323000.01323000.01323000.01323000.01323000.01323000.01323000.01323000.01323000.01323000.01323000.01323000.01323000.01323000.01323000.01323000.01323000.01323000.01323000.01323000.01323000.0662000.0662000.0662000.0662000.0662000.0662000.0662000.0662000.0662000.0662000.0662000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.00.00.00.00.00.00.00.00.00.00.0

Shares Issued

us-gaap:SharesIssued us-gaap:StatementEquityComponents

us-gaap:SharesIssued

us-gaap:CommonStock


Shares
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value226226226226226226226226223198132132132132132132132132132666666666666
Percentage of SharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStock


Shares
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value3738383636-36.66934335-35.270698-35.24861-35.314116-35.734588-35.742588-35.963155-36.122169363640-36.075139-36.439586-18.471083-18.228407-18.220682-18.486072-18.26741-17.476423
Percentage of SharesIssued16.716.716.716.116.1-16.215.5-15.5-15.8-17.8-27.0-27.0-27.2-27.327.427.930.6-27.3-27.5-27.9-27.5-27.5-27.9-27.6-26.4

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesIssued


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2262262262262262262262262231981321321321321321321321321321321321321321321321321321321321321321321326666666666666666666666
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStockSharesOutstanding


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value18918818819019019019119118816296969696969595959589909091969696969696969596964847474748474748484747
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value188188190190191191191121969696969695909092979797979796979748484848484848484847
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value188188189189190189177121969595959595898991969696959695959547474747474747474747
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount


Antidilutive
Period End2021-06-302021-03-31
Value200000.0349000.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.660.590.470.670.460.580.710.480.58-0.040.360.910.880.920.510.70.750.770.420.921.01.031.061.031.051.00.960.940.920.840.770.770.781.461.351.321.351.240.960.970.750.850.640.640.650.64
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.660.590.460.670.460.580.710.480.54-0.040.360.910.870.920.510.70.750.770.420.911.01.021.051.021.040.990.950.930.910.830.760.760.771.441.341.31.331.220.960.960.750.850.640.630.650.63
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Allocated Share Based Compensation Expense

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:AllocatedShareBasedCompensationExpense


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value168.21.9121.67.31311158.54.86.48.35.76.82.66.25.76.05.14.25.55.95.16.28.87.07.05.46.76.5
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.80.40.00.60.10.40.60.60.70.50.40.60.70.50.60.30.70.60.80.80.60.70.70.60.71.10.90.90.71.01.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value15842231183109-66.4221-88.3124-56.889-16.42738-105.80116795160219121-55.739864912182511371017319680911076743667448703110436126643.822
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.92.30.09.86.3-3.49.4-4.45.5-3.6-1.53.5-9.515.88.916.723.513.3-7.312.86.815.89.96.416.21.22.14.013.211.613.417.110.67.10.012.67.912.15.92.29.113.56.917.21.0

Cost Of Goods And Services Sold

us-gaap:CostOfGoodsAndServicesSold

us-gaap:CostOfGoodsAndServicesSold


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1432129615181298125013511693140216211204820775787745807704658646540463486516565552579563566549506485481443445432429416436413387351336322275266260255
Percentage of CostOfGoodsAndServicesSold100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax71.270.80.069.672.070.071.570.172.575.673.472.070.970.675.073.670.670.671.268.567.266.967.968.268.468.869.069.069.369.970.670.269.870.30.070.971.671.072.470.570.270.770.070.969.770.2

us-gaap:CostOfGoodsAndServicesSold us-gaap:ProductOrService

us-gaap:Product


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1185110713021109106111551493118413771073779735749709
Percentage of CostOfGoodsAndServicesSold82.785.585.885.484.985.588.284.485.089.194.994.895.195.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax58.960.50.059.561.159.963.059.261.667.469.768.367.467.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Product74.674.60.071.975.572.70.073.872.874.80.071.370.370.2

us-gaap:Service


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value24718821518918919520021824313141403836
Percentage of CostOfGoodsAndServicesSold17.314.514.214.615.114.511.815.615.010.95.15.24.94.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.310.30.010.110.910.18.510.910.98.23.73.73.53.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Service58.354.60.058.857.257.60.055.170.982.40.086.884.379.2

Gross Profit

us-gaap:GrossProfit

us-gaap:GrossProfit


Gross
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value580534505566486578674599614389297302323310268253273269219212237255267257267255254247224209200188192182180171173169147147142133117109113108
Percentage of GrossProfit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax28.829.20.030.428.030.028.529.927.524.426.628.029.129.425.026.429.429.428.831.532.833.132.131.831.631.231.031.030.730.129.429.830.229.729.629.128.429.027.629.529.829.330.029.130.329.8

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1681581181751141491741131441457102931137481969933115127137149144149141131131128109999792979069705263474546
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.48.60.09.46.67.77.45.76.50.95.19.58.410.86.98.510.410.94.417.117.617.817.917.917.717.316.016.517.517.216.20.015.716.015.513.114.110.913.912.212.212.5

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest us-gaap:ConsolidationItems

wab:CorporateAndEliminations


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-49.8-53.7-58.99999999999997-48.9-67.4-81.1-121.4-90.6-78.935-119.633-55.089-37.5-48.548-24.125
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest-29.5-33.9-49.9-27.9-59.0-54.4-69.5-80.0-54.7-824.5-95.7-36.5-51.8-21.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-2.5-2.90.0-2.6-3.9-4.2-5.1-4.5-3.5-7.5-4.9-3.5-4.4-2.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wab:CorporateAndEliminations264.9243.00.0261.5354.7375.50.0359.5374.2524.10.0204.9223.9151.8

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, wab:FreightSegment


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312015-12-312015-09-302015-06-302014-12-312014-09-302014-06-30
Value1731411201601411612671481517571798469125119125108102100
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest102.789.6101.991.3123.8108.4153.2130.7105.4518.3124.177.389.961.384.382.883.582.477.978.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.67.70.08.68.18.411.37.46.84.76.47.47.66.615.114.814.813.212.813.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments wab:FreightSegment12.911.90.012.811.612.30.011.310.18.40.019.619.617.80.023.223.00.022.123.8

us-gaap:OperatingSegments, wab:TransitSegment


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312015-12-312015-09-302015-06-302014-12-312014-09-302014-06-30
Value4570566440682855715841605768333837354036
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest26.944.348.036.535.246.016.349.249.4406.271.559.161.859.922.326.825.027.331.028.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.33.80.03.42.33.61.22.83.23.73.75.65.26.44.04.84.44.45.15.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments wab:TransitSegment6.610.70.010.17.510.80.07.89.58.10.08.88.310.00.012.511.90.011.811.5

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value434331462838372241182216102624122427-13.268323643474548453841393733303529322932312323152216151516
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.22.40.02.51.62.01.61.11.91.22.01.50.92.52.31.32.63.0-1.74.95.15.65.75.65.75.54.75.25.45.44.94.85.54.90.05.05.45.34.44.73.34.94.34.14.14.4

us-gaap:IncomeTaxExpenseBenefit us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Income
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
Value0.20.30.30.30.20.20.1760.1740.1690.1980.1980.1980.3010.2260.2260.2260.1210.1750.1570.2310.210.2110.2190.2150.2530.236
Percentage of IncomeTaxExpenseBenefit0.60.61.10.80.50.90.40.90.71.21.90.81.21.80.90.8-0.90.50.40.50.40.50.50.50.70.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Interest Income Expense Net

us-gaap:InterestIncomeExpenseNet

us-gaap:InterestIncomeExpenseNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-44.9-47.6-48.6-45.6-51.4-53.3-58.3-57.7-58.56-44.569-36.318-23.713-31.92-20.284-17.679-17.893-15.42-17.712-26.664-6.057-4.969-4.871-4.19-4.351-4.041-4.306-4.005-4.594-4.525-4.45-4.627-3.829-3.271-3.614-3.948-3.07-3.509-3.724-3.766-3.764-3.793-3.684-3.923-3.996-4.092-3.912
Percentage of InterestIncomeExpenseNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-2.2-2.60.0-2.4-3.0-2.8-2.5-2.9-2.6-2.8-3.2-2.2-2.9-1.9-1.6-1.9-1.7-1.9-3.5-0.9-0.7-0.6-0.5-0.5-0.5-0.5-0.5-0.6-0.6-0.6-0.7-0.6-0.5-0.60.0-0.5-0.6-0.6-0.7-0.8-0.8-0.8-1.0-1.1-1.1-1.1

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value124112871288611113591104-4.47234878488486772733782909410199101969290888074737469646264594646364030303130
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.26.10.06.95.05.85.74.64.7-0.33.18.17.68.44.67.07.78.15.012.212.512.212.212.312.011.711.311.312.111.510.911.711.711.310.610.710.610.28.79.37.69.07.98.18.38.3

Net Income Loss Attributable To Noncontrolling Interest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value400000.02300000.0-1100000.0400000.0-1000000.0-400000.01300000.0-500000.0-1381000.0459000.0483000.0-1670000.0-1100000.0-900000.0739000.01000000.0135000.0-1885000.08517000.0000
Percentage of NetIncomeLossAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.10.00.0-0.1-0.00.1-0.0-0.10.00.0-0.2-0.1-0.10.10.10.0-0.21.10.00.00.0

Net Income Loss Available To Common Stockholders Basic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic


Net
Period End2021-06-302020-06-302019-09-302019-06-302018-09-302018-06-30
Value12486901038784
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.25.04.54.68.17.6

Net Income Loss Available To Common Stockholders Diluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value124112871278611113590103-4.6348784
Percentage of NetIncomeLossAvailableToCommonStockholdersDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.26.10.06.95.05.85.74.54.6-0.33.18.17.6

Nonoperating Income Expense

us-gaap:NonoperatingIncomeExpense

us-gaap:NonoperatingIncomeExpense


Nonoperating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value10145.8146.3-14.86.91.92.177-8.2280.4221.2012.1712.5861.2-2.933-1.5522.319-3.0761.188-1.2290.1542.379-2.937-1.887-2.866-1.752-0.1540.243-0.0170.951-1.658
Percentage of NonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.50.80.00.80.4-0.80.30.10.1-0.50.00.10.20.20.1-0.3-0.20.3-0.40.2-0.20.00.3-0.4-0.2-0.4-0.2-0.00.0-0.00.1-0.3

us-gaap:NonoperatingIncomeExpense us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Nonoperating
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value1.01.01.00.70.7260.7260.7180.7180.7180.8180.8180.818
Percentage of NonoperatingIncomeExpense7.015.9-6.836.833.3-8.859.833.127.8-27.9-52.735.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.10.00.00.00.10.10.10.10.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceCostCredit


Nonoperating
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value-0.4-0.4-0.4-0.4-0.366-0.366-0.375-0.375-0.375-0.422-0.422-0.422
Percentage of NonoperatingIncomeExpense-2.8-6.32.7-21.1-16.84.4-31.2-17.3-14.514.427.2-18.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceCostCredit0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLoss


Nonoperating
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value1.41.41.41.11.0921.0921.0931.0931.0931.241.241.24
Percentage of NonoperatingIncomeExpense9.822.2-9.557.950.2-13.391.050.342.3-42.3-79.953.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.10.10.00.10.10.10.10.10.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLoss0.00.00.00.00.00.00.00.00.00.00.00.0

Operating Expenses

us-gaap:OperatingExpenses

us-gaap:OperatingExpenses


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value37634234435932736144843041432120317620017917715116015415692104112116104111106117111928788788079807472757471866666586357
Percentage of OperatingExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax18.718.70.019.318.818.718.921.518.520.218.216.418.017.016.515.817.216.920.613.714.414.614.013.013.213.114.314.012.612.613.012.412.612.90.012.711.912.914.014.418.014.716.915.617.115.7

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2031911612061592172261692006793125123131911021131146212013314215115215514813613513212111110911210310096100947275566651504951
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.110.50.011.19.211.39.58.49.04.28.411.611.112.48.510.612.212.58.317.818.418.418.218.818.418.116.717.118.117.516.317.417.616.816.516.516.516.113.615.111.814.613.113.513.314.1

us-gaap:OperatingIncomeLoss us-gaap:ConsolidationItems

wab:CorporateAndEliminations


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-15.2-20.3-16.2-17.6-22.3-13.0-70.0-34.8-22.552-66.836-19.134-15.0-18.799-6.427
Percentage of OperatingIncomeLoss-7.5-10.6-10.1-8.5-14.0-6.0-31.0-20.6-11.2-99.3-20.5-12.0-15.2-4.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.8-1.10.0-0.9-1.3-0.7-3.0-1.7-1.0-4.2-1.7-1.4-1.7-0.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wab:CorporateAndEliminations80.991.90.094.1117.460.20.0138.1106.9292.80.082.086.740.4

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

us-gaap:OperatingSegments, wab:FreightSegment


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value17314112016014116126714815175717984696861637167779210612511912511110810210091837778697975
Percentage of OperatingIncomeLoss85.274.074.877.588.874.4118.487.675.7111.776.463.468.353.074.960.455.762.2107.464.969.375.083.378.980.375.278.975.175.875.475.070.469.867.479.578.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.67.70.08.68.18.411.37.46.84.76.47.47.66.66.36.46.87.88.911.512.813.815.114.814.813.613.212.813.713.212.212.212.311.30.012.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments wab:FreightSegment12.911.90.012.811.612.30.011.310.18.40.019.619.617.80.017.718.420.50.021.523.223.80.023.223.021.40.022.123.823.40.022.321.721.80.021.0

us-gaap:OperatingSegments, wab:TransitSegment


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value457056644068285571584160576832475949235152453338374135403634323635382524
Percentage of OperatingIncomeLoss22.336.635.331.025.231.612.633.035.587.644.048.546.951.935.846.652.142.836.842.639.131.722.025.524.127.926.130.027.828.329.533.131.937.225.825.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.33.80.03.42.33.61.22.83.23.73.75.65.26.43.05.06.45.43.07.67.25.84.04.84.45.14.45.15.05.04.85.85.66.30.04.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments wab:TransitSegment6.610.70.010.17.510.80.07.89.58.10.08.88.310.00.07.610.18.70.016.316.013.60.012.511.913.40.011.811.511.00.012.412.612.70.010.3

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value33-69.91435522-178.086-179.419-52.417-50.891-49.5-190.21779-86.099-75.201-58.3258.1030.7931734-6.809-25.741.51611-16.62611
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.6-3.80.03.01.3-9.23.6-9.00.9-3.3-4.6-4.6-17.17.5-10.5-9.2-7.31.10.12.55.4-1.1-4.20.01.9-2.71.9

us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-03-312015-03-312014-12-312014-09-302014-06-302014-03-31
Value-1.0-2.3-8.0-0.40.5-2.7-16.31.6481.005-2.753-2.856-5.1838.11-0.327-2.7712.859-15.7771.943-0.0811.294
Percentage of OtherComprehensiveIncomeLossNetOfTax-3.03.3-5.6-0.72.21.5-19.0-0.95.15.35.610.5-4.3-0.40.0-3.321.0-3.3-1.0163.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.0-0.10.0-0.00.0-0.1-0.70.10.0-0.2-0.3-0.50.7-0.0-0.30.3-1.90.2-0.00.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.4-5.94.32.2-6.96.1-0.20.10.0-3.1
Percentage of OtherComprehensiveIncomeLossNetOfTax1.28.43.04.0-30.3-3.4-0.2-0.10.05.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0-0.30.00.1-0.40.3-0.00.00.0-0.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-03-31
Value33-69.95522-178.0-179.419-52.417-49.5-190.2177947
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.6-3.83.01.3-9.2-9.00.9-3.3-4.6-17.17.55.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-03-312015-03-312014-09-302014-06-302014-03-31
Value33-61.71465329-181.4102-181.17918-46.553-48.167-44.289-192.7787749-87.931-60.9648.731-0.643
Percentage of OtherComprehensiveIncomeLossNetOfTax101.888.3102.696.8128.1101.9119.2101.095.088.894.689.5101.398.70.0102.1104.5107.8-81.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.7-3.40.02.91.7-9.44.3-9.10.8-2.9-4.3-4.1-17.37.45.4-10.7-7.61.2-0.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:OtherNonoperatingIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.70.20.5-0.22.3-2.5-3.31.00.4870.1490.0891.265-0.173-0.0341.6240.66-0.0411.1060.4370.3080.301-0.0080.0450.121-0.346-0.4720.1390.3010.243-0.0170.951-1.6580.406-0.5810.614-1.3930.223-0.1141.099-1.529-0.410.460.366-0.7911.086-0.721
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.0-0.00.1-0.1-0.10.00.00.00.00.1-0.0-0.00.20.1-0.00.10.10.00.0-0.00.00.0-0.0-0.10.00.00.0-0.00.1-0.30.1-0.10.0-0.20.0-0.00.2-0.3-0.10.10.1-0.20.3-0.2

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value125114861288511113790102-4.013348683874968727246829094
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.26.30.06.94.95.85.84.54.6-0.33.18.07.58.34.67.17.77.96.112.212.512.2

us-gaap:ProfitLoss us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Profit
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-03-31
Value0.70.70.70.50.550.5520.50.520.520.592
Percentage of ProfitLoss0.50.80.60.60.5-13.80.60.60.60.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.00.00.00.00.00.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.0

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.42.30.5-1.0-0.41.3-0.5-1.3810.4590.459-1.6-1.145-0.909
Percentage of ProfitLoss0.32.00.4-1.2-0.40.9-0.6-1.3-11.41.3-1.9-1.4-1.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.10.0-0.1-0.00.1-0.0-0.10.00.0-0.1-0.1-0.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1241121288611113591104-4.47234878488
Percentage of ProfitLoss99.798.099.6101.2100.499.1100.6101.3111.498.4101.9101.4101.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.26.16.95.05.85.74.64.7-0.33.18.17.68.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.0

Research And Development Expense

us-gaap:ResearchAndDevelopmentExpense

us-gaap:ResearchAndDevelopmentExpense


Research
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value42373836384959585734252019222324232319161817191717161816141212101111101010109.2799.8949.1328.8889.7219.3621010
Percentage of ResearchAndDevelopmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.12.10.02.02.22.52.52.92.62.22.31.91.72.12.22.62.52.62.52.42.52.32.32.12.12.12.22.11.91.91.91.71.81.80.01.81.71.71.72.01.92.02.52.52.82.9

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value201218302023186517371929236820012236159311171077111110561075957932916759675723772832809847818820797731695681631638615610587609583534498478455393375374363
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems

wab:CorporateAndEliminations


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
Value-18.8-22.1-25.8-18.7-19.0-21.6-13.9-25.2-21.092-22.826-16.011-18.3-21.683-15.891
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.9-1.2-1.3-1.0-1.1-1.1-0.6-1.3-0.9-1.4-1.4-1.7-2.0-1.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.9-1.2-1.3-1.0-1.1-1.1-0.6-1.3-0.9-1.4-1.4-1.7-2.0-1.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wab:CorporateAndEliminations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:OperatingSegments, wab:FreightSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value134711951351124812171313179013091507893390405430391373348344347380361397448509516543520490463421392394345362320347360
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax67.065.366.866.970.168.175.665.467.456.035.037.638.837.134.736.437.038.050.153.654.958.161.263.864.263.659.758.157.756.557.854.856.952.157.061.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax67.065.366.866.970.168.175.665.467.456.035.037.638.837.134.736.437.038.050.153.654.958.161.263.864.263.659.758.157.756.557.854.856.952.10.061.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments wab:FreightSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, wab:TransitSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value683656697635538638591717749723742690702680717622587568428313326331334309315309340345321312294293284303267236
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax34.035.934.534.131.033.125.035.833.545.466.564.163.264.466.765.063.062.056.346.445.142.940.238.237.237.841.543.443.945.043.146.544.649.343.840.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax34.035.934.534.131.033.125.035.833.545.466.564.163.264.466.765.063.062.056.346.445.142.940.238.237.237.841.543.443.945.043.146.544.649.30.040.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments wab:TransitSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wab:CorporateAndEliminations, wab:FreightSegment


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
Value1112121012121514131610131812
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.60.70.60.60.70.60.60.70.61.00.91.31.71.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.60.70.60.60.70.60.60.70.61.00.91.31.71.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wab:CorporateAndEliminations wab:FreightSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wab:CorporateAndEliminations, wab:TransitSegment


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
Value7.09.7137.86.19.1-1.2117.3836.1225.9834.82.9843.889
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.50.70.40.40.5-0.10.60.30.40.50.40.30.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.50.70.40.40.5-0.10.60.30.40.50.40.30.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wab:CorporateAndEliminations wab:TransitSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService

us-gaap:Product


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value15881485169215431406159019751605189214341069103110651010
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax78.981.183.682.880.982.483.480.284.690.095.795.795.995.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax78.981.183.682.880.982.483.480.284.690.095.795.795.995.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Product100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value42434533032133133939239634315948464545
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax21.118.916.417.219.117.616.619.815.410.04.34.34.14.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax21.118.916.417.219.117.616.619.815.410.04.34.34.14.3
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:Equipment, wab:FreightSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value327261433355334408638263531267
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.314.321.419.019.321.126.913.123.816.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.314.321.419.019.321.126.913.123.816.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Equipment wab:FreightSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Service, wab:FreightSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value622562547512508499568635556231
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax30.930.727.127.529.325.924.031.724.914.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax30.930.727.127.529.325.924.031.724.914.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Service wab:FreightSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wab:Aftermarket, wab:TransitSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value356360363324305341387359374350
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax17.719.717.917.417.617.716.417.916.722.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax17.719.717.917.417.617.716.417.916.722.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wab:Aftermarket wab:TransitSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wab:Components, wab:FreightSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value224202194208195220250248279295
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.111.19.611.211.311.410.612.412.518.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.111.19.611.211.311.410.612.412.518.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wab:Components wab:FreightSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wab:DigitalElectronics, wab:FreightSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value161156163161165173210185159121
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.08.68.18.69.59.08.99.37.17.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.08.68.18.69.59.08.99.37.17.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wab:DigitalElectronics wab:FreightSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wab:OEM, wab:TransitSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value320286321303227287313309335327
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.915.715.916.313.114.913.215.515.020.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.915.715.916.313.114.913.215.515.020.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wab:OEM wab:TransitSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementBusinessSegments

wab:FreightSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value133511831339123712041301177512951493876380391412379363340354357311372410442473516543511
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax66.464.766.266.369.367.475.064.766.855.034.136.337.135.933.835.538.139.041.055.156.857.356.963.864.262.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax66.464.766.266.369.367.475.064.766.855.034.136.337.135.933.835.538.139.041.055.156.857.356.963.864.262.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wab:FreightSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wab:TransitSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value676646684627532628593706742717736686699676711617593573411315330329305309315306
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax33.635.333.833.730.732.625.035.333.245.065.963.762.964.166.264.563.762.654.146.745.742.736.738.237.237.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax33.635.333.833.730.732.625.035.333.245.065.963.762.964.166.264.563.762.654.146.745.742.736.738.237.237.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wab:TransitSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value201218302023186517371929236820012236159311171077111110561075957932916759675723772832809847818820797731695681631638615610587609583534498478455393375374363
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:SellingGeneralAndAdministrativeExpense


Selling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value262235235252216243323292290259168146171147144117127122130708089918288849388727071636364645959626157735453465144
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.012.911.613.512.512.613.714.613.016.315.013.615.413.913.412.313.713.417.210.511.111.611.010.210.510.411.311.110.010.110.410.010.010.40.010.29.710.611.411.615.412.013.612.413.712.3

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value185121854318454184441846518773189441890018942190778649855366776875657964496438603065813428337933803300332632983167330332283163291628212816251625062351239623312219215820052011189718031585
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidationItems

wab:CorporateAndEliminations


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value-3333.3-1532.7-4212.481-4486.431-3088.952
Percentage of Assets-18.1-8.1-48.7-68.2-46.9
Percentage of Assets-18.1-8.1-48.7-68.2-46.9
Percentage of Assets wab:CorporateAndEliminations100.0100.0100.0100.0100.0

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

us-gaap:OperatingSegments, wab:FreightSegment


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value153921445037743504294927662516225818951799
Percentage of Assets83.476.343.653.344.883.876.280.080.683.3
Percentage of Assets83.476.343.653.344.883.876.280.080.683.3
Percentage of Assets us-gaap:OperatingSegments wab:FreightSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, wab:TransitSegment


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value6395602690877562672022212024170615991102
Percentage of Assets34.731.8105.1114.9102.167.361.360.568.051.1
Percentage of Assets34.731.8105.1114.9102.167.361.360.568.051.1
Percentage of Assets us-gaap:OperatingSegments wab:TransitSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value818483668301839285848975895091719107929757805642380238873751371338543662360416971653170215981340134113501495143813981236123412991110117410691165117710951111991993927899806
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets44.245.145.045.546.547.847.248.548.148.766.866.057.056.557.057.659.960.754.849.548.950.448.440.340.742.645.344.644.242.443.846.144.146.945.548.650.549.451.549.449.448.949.950.9

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value185121854318454184441846518773189441890018942190778649855366776875657964496438603065813428337933803300332632983167330332283163291628212816251625062351239623312219215820052011189718031585
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value102941014410122100169845976199569696980196872865289528572969280827172566235122051727172216761699198419551816180717881764167915851512140113261276122511511120104510111014966899776645617
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets55.654.754.954.353.352.052.651.351.750.833.133.842.843.242.742.139.939.033.550.451.049.651.559.759.357.354.755.455.857.656.253.755.752.954.351.149.450.548.450.450.550.949.949.00.00.0

Assets Current

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value380837793879393639694241419244104229438144494353244624652265227723442166286716951700168616121650157915031637153315261434133313441189116810921184114311141055950931844801689
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets20.620.421.021.321.522.622.123.322.323.051.450.936.635.934.435.336.435.943.649.450.349.948.949.647.947.549.647.548.349.247.247.747.346.646.549.449.050.248.947.446.344.544.543.5

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value453483598559587615604587461512580411245249233228328280398250302262226208264249425212225295285281214225215282234269285221221200236176166178188141234
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.42.63.23.03.23.33.23.12.42.76.74.83.73.63.53.55.14.66.17.39.07.86.96.38.07.912.96.67.110.110.110.08.59.09.211.810.012.113.211.011.010.613.10.00.00.011.90.00.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-03-312016-12-312015-12-31
Value453483598559587615604587461512234221352452492332282801143429
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.42.63.23.03.23.33.23.12.42.727.125.03.73.63.53.54.617.413.0

Accounts Receivable Net Current

us-gaap:AccountsReceivableNetCurrent

us-gaap:AccountsReceivableNetCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1020985969102096411491149121312471271801851835885800792812754667477440475494474505495443474465388349570488432389430442396346346336305258208
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.55.35.35.55.26.16.16.46.66.79.310.012.512.912.212.312.612.510.113.913.014.115.014.315.315.613.414.714.713.312.420.219.417.316.618.019.017.916.017.316.716.114.313.1

us-gaap:AccountsReceivableNetCurrent us-gaap:Collateral

us-gaap:CollateralPledged


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value332259114191164
Percentage of AccountsReceivableNetCurrent32.626.411.818.817.1
Percentage of Assets1.81.40.61.00.9
Percentage of Assets us-gaap:CollateralPledged0.00.00.00.00.0

Inventory Net

us-gaap:InventoryNet

us-gaap:InventoryNet


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1661167116421779179917851773195718811947844866863829742764746703658495493478478517535515510489481420403400405428407391388370348324311284253239
Percentage of InventoryNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.09.08.99.69.79.59.410.49.910.29.810.112.912.111.311.911.611.710.014.514.614.214.515.616.216.315.515.115.214.414.314.216.117.117.316.316.716.716.116.215.515.014.115.1

Other Assets Current

us-gaap:OtherAssetsCurrent

us-gaap:OtherAssetsCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value24022122616317216715019217819411511112411712213914113012338354034435528256449303831202119211920181823141312
Percentage of OtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.31.21.20.90.90.90.81.00.91.01.31.31.91.71.92.22.22.21.91.11.11.21.01.31.70.90.82.01.61.01.41.10.80.90.80.90.80.90.90.91.20.80.80.8

Machinery And Equipment Gross

us-gaap:MachineryAndEquipmentGross

us-gaap:MachineryAndEquipmentGross


Machinery
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value14741363749728645502476440406374347
Percentage of MachineryAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.07.28.711.19.815.214.415.617.317.419.3

Assets Noncurrent

us-gaap:AssetsNoncurrent

us-gaap:AssetsNoncurrent


Assets
Period End2021-06-302020-12-31
Value1470414574
Percentage of AssetsNoncurrent100.0100.0
Percentage of Assets79.479.0

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2373228322402208221621772170213310361026100910271026988975935912750730730717707711693683682679598597585549563555534526523513495505497478451
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets12.912.412.111.811.711.511.511.212.012.015.115.015.615.315.215.513.921.921.621.621.721.321.621.920.721.121.520.521.220.821.822.523.622.322.623.623.824.725.126.226.528.5

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value771679628585560554524498472468453454452437427411393392381376364356354344343339336324321318308320311305299298291285287281271250
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.23.73.43.13.02.92.82.65.55.56.86.66.96.86.66.86.011.511.311.111.010.710.810.910.410.510.611.111.411.312.312.813.312.812.913.413.514.314.314.815.115.8

Amortization Of Intangible Assets

us-gaap:AmortizationOfIntangibleAssets

us-gaap:AmortizationOfIntangibleAssets


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value726970707269657965279.6419.8629.899109.5168.69.359.0446.65.35.4665.2955.6545.5465.1625.3015.8896.7315.14.75.03.95.23.65.03.93.33.14.54.13.33.13.52.62.1
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1544157516011603161216231655162216461634563557555573573550547524518357348353353351356349339342343273276266240242244229226225222209218216206201
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.38.58.78.78.78.68.78.68.78.66.56.58.38.38.78.58.58.77.910.410.310.510.710.610.811.010.310.610.89.49.89.59.69.710.49.69.710.110.310.510.911.411.412.7

us-gaap:PropertyPlantAndEquipmentNet us-gaap:StatementGeographical

country:CA


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value9.4135.2715.8225.1564.8765.4626.4421112
Percentage of PropertyPlantAndEquipmentNet0.60.80.91.01.01.41.62.34.55.8
Percentage of Assets0.10.10.10.10.10.10.20.20.50.6
Percentage of Assets country:CA0.00.00.00.00.00.00.00.00.00.0

country:CH


Property
Period End2020-12-312019-12-31
Value2.11.9
Percentage of PropertyPlantAndEquipmentNet0.10.1
Percentage of Assets0.00.0
Percentage of Assets country:CH0.00.0

country:CN


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value303433364212127.8637.5556.248
Percentage of PropertyPlantAndEquipmentNet1.92.15.96.38.23.53.82.83.12.8
Percentage of Assets0.20.20.40.60.60.40.40.30.30.3
Percentage of Assets country:CN0.00.00.00.00.00.00.00.00.00.0

country:DE


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value817775715731331312
Percentage of PropertyPlantAndEquipmentNet5.14.713.412.511.29.09.94.95.3
Percentage of Assets0.40.40.91.10.91.01.00.50.5
Percentage of Assets country:DE0.00.00.00.00.00.00.00.00.0

country:FR


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value58125657337.1947.6863.4043.5640.015
Percentage of PropertyPlantAndEquipmentNet3.70.710.010.16.52.02.31.21.50.0
Percentage of Assets0.30.10.70.90.50.20.20.10.20.0
Percentage of Assets country:FR0.00.00.00.00.00.00.00.00.00.0

country:GB


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value51555457546362432821
Percentage of PropertyPlantAndEquipmentNet3.23.49.710.010.518.018.415.811.89.5
Percentage of Assets0.30.30.60.90.81.91.91.51.21.0
Percentage of Assets country:GB0.00.00.00.00.00.00.00.00.00.0

country:IN


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value16415912121.2711.946
Percentage of PropertyPlantAndEquipmentNet10.39.62.32.20.20.6
Percentage of Assets0.90.80.10.20.00.1
Percentage of Assets country:IN0.00.00.00.00.00.0

country:IT


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value31582930271517212021
Percentage of PropertyPlantAndEquipmentNet1.93.65.35.35.34.35.37.78.69.9
Percentage of Assets0.20.30.30.50.40.50.50.80.91.0
Percentage of Assets country:IT0.00.00.00.00.00.00.00.00.00.0

country:MX


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value22239.1849.1178.7668.8397.8125.8624.8865.281
Percentage of PropertyPlantAndEquipmentNet1.41.41.61.61.72.52.32.12.02.4
Percentage of Assets0.10.10.10.10.10.30.20.20.20.2
Percentage of Assets country:MX0.00.00.00.00.00.00.00.00.00.0

country:US


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value10391089204211205171158150131126
Percentage of PropertyPlantAndEquipmentNet64.965.836.236.939.748.546.954.754.057.1
Percentage of Assets5.65.82.43.23.15.24.85.35.65.9
Percentage of Assets country:US0.00.00.00.00.00.00.00.00.00.0

srt:Europe


Property
Period End2020-12-312019-12-31
Value284278
Percentage of PropertyPlantAndEquipmentNet17.816.8
Percentage of Assets1.51.5
Percentage of Assets srt:Europe0.00.0

srt:NorthAmerica


Property
Period End2020-12-312019-12-31
Value10711126
Percentage of PropertyPlantAndEquipmentNet66.968.0
Percentage of Assets5.85.9
Percentage of Assets srt:NorthAmerica0.00.0

srt:SouthAmerica


Property
Period End2020-12-312019-12-31
Value3140
Percentage of PropertyPlantAndEquipmentNet2.02.4
Percentage of Assets0.20.2
Percentage of Assets srt:SouthAmerica0.00.0

wab:AustraliaAndNewZealand


Property
Period End2020-12-312019-12-31
Value1112
Percentage of PropertyPlantAndEquipmentNet0.70.7
Percentage of Assets0.10.1
Percentage of Assets wab:AustraliaAndNewZealand0.00.0

wab:OtherAfrica


Property
Period End2020-12-312019-12-31
Value4.43.8
Percentage of PropertyPlantAndEquipmentNet0.30.2
Percentage of Assets0.00.0
Percentage of Assets wab:OtherAfrica0.00.0

wab:OtherAsiaAndMiddleEast


Property
Period End2020-12-312019-12-31
Value0.50.6
Percentage of PropertyPlantAndEquipmentNet0.00.0
Percentage of Assets0.00.0
Percentage of Assets wab:OtherAsiaAndMiddleEast0.00.0

wab:OtherEurope


Property
Period End2020-12-312019-12-31
Value5956
Percentage of PropertyPlantAndEquipmentNet3.73.4
Percentage of Assets0.30.3
Percentage of Assets wab:OtherEurope0.00.0

wab:RussiaAndCIS


Property
Period End2020-12-312019-12-31
Value2.31.4
Percentage of PropertyPlantAndEquipmentNet0.10.1
Percentage of Assets0.00.0
Percentage of Assets wab:RussiaAndCIS0.00.0

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value8653862584858366830982738360810381508142239624122428252824602384234321882078877860867858852864834862864821787786790714728666656623593587566575575545482
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets46.746.546.045.445.044.144.142.943.042.727.728.236.436.837.437.036.436.331.625.625.525.726.025.626.226.326.126.826.027.027.928.128.429.028.327.426.826.727.228.228.630.330.330.5

us-gaap:Goodwill us-gaap:BusinessAcquisition

wab:Nordco


Goodwillus-gaap:
Period End2021-03-31
Value214
Percentage of Goodwill2.5
Percentage of Assets1.2
Percentage of Assets wab:Nordco0.0

us-gaap:Goodwill us-gaap:StatementBusinessSegments

wab:FreightSegment


Goodwillus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value7089707768726837683668106876647464556481713716720730718609621591550529529533531518525520515522510511509517449396397397390390388
Percentage of Goodwill81.982.181.081.782.382.382.379.979.279.629.829.729.728.929.225.526.527.026.560.361.661.462.060.860.862.459.760.462.164.964.865.462.954.559.660.662.665.766.1
Percentage of Assets38.338.237.237.137.036.336.334.334.134.08.28.410.810.610.99.49.69.88.415.415.715.816.115.615.916.415.616.216.117.518.118.417.915.816.916.616.717.618.0
Percentage of Assets wab:FreightSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.021.00.00.00.021.6

wab:TransitSegment


Goodwillus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value1564154716131528147314631484162916941661168316961707179817411775172215961527347330334326334339313347342310276276273265331268259233203199
Percentage of Goodwill18.117.919.018.317.717.717.720.120.820.470.270.370.371.170.874.573.573.073.539.738.438.638.039.239.237.640.339.637.935.135.234.637.145.540.439.437.434.333.9
Percentage of Assets8.48.38.78.38.07.87.88.68.98.719.519.825.626.226.527.526.726.523.210.19.89.99.910.010.39.910.510.69.89.59.89.710.513.211.410.810.09.29.2
Percentage of Assets wab:TransitSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.016.80.00.00.018.1

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-11-182011-09-302011-06-302011-03-312010-12-312009-12-31
Value3876392738693889393540104104420743644364112911571174123112041140112910891053457430437440436454441422449435380385376329325308284297254257121236245227216187
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets20.921.221.021.121.321.421.722.323.022.913.113.517.617.918.317.717.518.116.013.312.712.913.313.113.813.912.813.913.813.013.713.413.113.013.111.912.811.511.90.011.812.212.012.011.8

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value3215326832183262332133953480359237373739547557571602601556576563543279262268273269280274252275278224228232191186176158172138142128134113
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets17.417.617.417.718.018.118.419.019.719.66.36.58.68.89.18.68.99.38.38.17.87.98.38.18.58.77.68.58.87.78.18.27.67.57.56.67.46.26.66.46.76.3

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:CustomerRelationships


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value10261037986981985999102910331048104153154255558458354156255052826525325726125726726023725625821021321817917316514615912612711211699
Percentage of FiniteLivedIntangibleAssetsNet31.931.730.630.129.729.429.628.828.127.997.297.397.197.197.197.397.797.797.295.096.496.195.895.595.395.294.292.992.993.793.294.093.693.193.392.692.490.989.688.086.987.3
Percentage of Assets5.55.65.35.35.35.35.45.55.55.56.16.38.38.58.98.48.79.18.07.77.57.67.97.78.18.27.27.98.27.27.67.77.16.97.06.16.95.75.95.65.85.5
Percentage of Assets us-gaap:CustomerRelationships0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OrderOrProductionBacklog


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value117311921224124812771312134213962.0
Percentage of FiniteLivedIntangibleAssetsNet36.536.538.138.338.538.638.638.90.4
Percentage of Assets6.36.46.66.86.97.07.17.40.0
Percentage of Assets us-gaap:OrderOrProductionBacklog0.00.00.00.00.00.00.00.00.0

wab:IntellectualPropertyPatentsAndOther


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-03-312018-12-31
Value10151038100710321058108311081162269715
Percentage of FiniteLivedIntangibleAssetsNet31.631.831.331.631.931.931.932.372.12.8
Percentage of Assets5.55.65.55.65.75.85.96.114.10.2
Percentage of Assets wab:IntellectualPropertyPatentsAndOther0.00.00.00.00.00.00.00.00.00.0

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssetsNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value63063561864863862563155755255510972717676977362624039353534413941383640393840413932363936292819
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.43.43.43.53.53.33.33.02.92.91.30.81.11.11.21.51.11.00.91.21.21.11.11.01.31.21.31.21.21.41.41.41.61.61.71.51.72.01.81.51.61.2

Accounts Payable Current

us-gaap:AccountsPayableCurrent

us-gaap:AccountsPayableCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value994955909962100610871157114612321187589557615608552512548512530276305304319319377381399389397345326288272267248235249236244179185174170119
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.45.24.95.25.45.86.16.16.56.26.86.59.28.88.48.08.58.58.18.19.09.09.79.611.412.012.112.112.611.811.610.210.810.710.69.810.710.611.38.99.29.29.57.6

Contract With Customer Liability Current

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:ContractWithCustomerLiabilityCurrent


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value597640642640619602604670648573373374390378369
Percentage of ContractWithCustomerLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.23.53.53.53.43.23.23.53.43.04.34.45.85.55.6

Liabilities Current

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2844316832263228348329813258319832113254164615301606164815731465148214711446624664657664654699695738674668580579541524560553540550535541453456381348305
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets15.417.117.517.518.915.917.216.917.017.119.017.924.124.023.922.723.024.422.018.219.719.520.119.721.222.022.420.921.119.920.519.220.822.423.522.623.624.125.122.622.720.119.319.3

Long Term Debt Current

us-gaap:LongTermDebtCurrent

us-gaap:LongTermDebtCurrent


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value0.63534474546979295640.0850.0430.0430.0430.0430.0430.0430.0684040404032
Percentage of LongTermDebtCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.01.92.42.53.80.50.50.70.00.00.00.00.00.00.00.02.02.02.12.22.1

us-gaap:LongTermDebtCurrent us-gaap:FairValueByMeasurementBasis

us-gaap:EstimateOfFairValueFairValueDisclosure


Long
Period End2021-06-302021-03-312020-12-312020-03-312019-12-312018-12-31
Value0.6353447929564
Percentage of LongTermDebtCurrent100.0100.0100.0100.0100.0100.0
Percentage of Assets0.01.92.40.50.50.7
Percentage of Assets us-gaap:EstimateOfFairValueFairValueDisclosure0.00.00.00.00.00.0

Other Accrued Liabilities Current

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:OtherAccruedLiabilitiesCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value76372274470471272483076671468131025027230030224223225426110810811695838180869190728587801221281121351391459088695357
Percentage of OtherAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.13.94.03.83.93.94.44.13.83.63.62.94.14.44.63.83.64.24.03.23.23.42.92.52.52.52.62.82.82.53.03.13.24.95.44.75.86.36.74.54.43.62.93.6

Long Term Debt

us-gaap:LongTermDebt

us-gaap:LongTermDebt


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value40804277423942544465474744293856539396417317432443385395406396422
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets22.023.123.023.124.225.323.444.619.215.816.713.518.119.017.418.320.319.723.4

us-gaap:LongTermDebt us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:FairValueByMeasurementBasis, us-gaap:LongtermDebtType

us-gaap:RevolvingCreditFacility, wab:MultiCurrencyRevolvingLoanFacility, us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:LineOfCredit


Long
Period End2021-03-312020-06-302020-03-312019-12-31
Value1490.0570231
Percentage of LongTermDebt3.50.012.05.2
Percentage of Assets0.80.03.01.2
Percentage of Assets us-gaap:RevolvingCreditFacility wab:MultiCurrencyRevolvingLoanFacility us-gaap:EstimateOfFairValueFairValueDisclosure us-gaap:LineOfCredit0.00.00.00.0

us-gaap:RevolvingCreditFacility, wab:USDollarDenominatedTermLoans, us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:LineOfCredit


Long
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value625645754953666684338
Percentage of LongTermDebt14.615.217.721.314.015.58.8
Percentage of Assets3.43.54.15.23.63.63.9
Percentage of Assets us-gaap:RevolvingCreditFacility wab:USDollarDenominatedTermLoans us-gaap:EstimateOfFairValueFairValueDisclosure us-gaap:LineOfCredit0.00.00.00.00.00.00.0

us-gaap:LongTermDebt us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:RevolvingCreditFacility, wab:MultiCurrencyRevolvingLoanFacility, us-gaap:LineOfCredit


Long
Period End2021-03-312020-06-302020-03-312019-12-31
Value1490.0570231
Percentage of LongTermDebt3.50.012.05.2
Percentage of Assets0.80.03.01.2
Percentage of Assets us-gaap:RevolvingCreditFacility wab:MultiCurrencyRevolvingLoanFacility us-gaap:LineOfCredit0.00.00.00.0

us-gaap:RevolvingCreditFacility, wab:USDollarDenominatedTermLoans, us-gaap:LineOfCredit


Long
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value625645754953666684338
Percentage of LongTermDebt14.615.217.721.314.015.58.8
Percentage of Assets3.43.54.15.23.63.63.9
Percentage of Assets us-gaap:RevolvingCreditFacility wab:USDollarDenominatedTermLoans us-gaap:LineOfCredit0.00.00.00.00.00.00.0

us-gaap:LongTermDebt us-gaap:DebtInstrument, us-gaap:FairValueByMeasurementBasis, us-gaap:LongtermDebtType

wab:A125PercentEuroNotesDueTwoThousandAndTwentySeven, us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:SeniorNotes


Long
Period End2021-06-30
Value601
Percentage of LongTermDebt14.7
Percentage of Assets3.2
Percentage of Assets wab:A125PercentEuroNotesDueTwoThousandAndTwentySeven us-gaap:EstimateOfFairValueFairValueDisclosure us-gaap:SeniorNotes0.0

wab:A3.45PercentSeniorNotesDueTwoThousandandTwentySix, us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:SeniorNotes


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value807803819793769673759675
Percentage of LongTermDebt19.818.819.318.717.214.217.117.5
Percentage of Assets4.44.34.44.34.23.64.07.8
Percentage of Assets wab:A3.45PercentSeniorNotesDueTwoThousandandTwentySix us-gaap:EstimateOfFairValueFairValueDisclosure us-gaap:SeniorNotes0.00.00.00.00.00.00.00.0

wab:A32000PercentSeniorNotesDueTwoThousandAndTwentyFive, us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:SeniorNotes


Long
Period End2021-06-302021-03-312020-12-312020-09-30
Value533524533523
Percentage of LongTermDebt13.112.312.612.3
Percentage of Assets2.92.82.92.8
Percentage of Assets wab:A32000PercentSeniorNotesDueTwoThousandAndTwentyFive us-gaap:EstimateOfFairValueFairValueDisclosure us-gaap:SeniorNotes0.00.00.00.0

wab:A4150PercentSeniorNotesDueTwoThousandAndTwentyFour, us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:SeniorNotes


Long
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value813810817810805
Percentage of LongTermDebt19.919.019.319.018.2
Percentage of Assets4.44.44.44.44.3
Percentage of Assets wab:A4150PercentSeniorNotesDueTwoThousandAndTwentyFour us-gaap:EstimateOfFairValueFairValueDisclosure us-gaap:SeniorNotes0.00.00.00.00.0

wab:A4375PercentSeniorNotesDueTwoThousandAndTwentyThree, us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:SeniorNotes


Long
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value265266267263263
Percentage of LongTermDebt6.56.26.36.26.0
Percentage of Assets1.41.41.41.41.4
Percentage of Assets wab:A4375PercentSeniorNotesDueTwoThousandAndTwentyThree us-gaap:EstimateOfFairValueFairValueDisclosure us-gaap:SeniorNotes0.00.00.00.00.0

wab:A470PercentSeniorNotesDueTwoThousandAndTwentySix, us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:SeniorNotes


Long
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value14551419147214481378
Percentage of LongTermDebt35.733.234.734.031.1
Percentage of Assets7.97.78.07.97.3
Percentage of Assets wab:A470PercentSeniorNotesDueTwoThousandAndTwentySix us-gaap:EstimateOfFairValueFairValueDisclosure us-gaap:SeniorNotes0.00.00.00.00.0

us-gaap:LongTermDebt us-gaap:DebtInstrument, us-gaap:LongtermDebtType

wab:A125PercentEuroNotesDueTwoThousandAndTwentySeven, us-gaap:SeniorNotes


Long
Period End2021-06-30
Value584
Percentage of LongTermDebt14.3
Percentage of Assets3.2
Percentage of Assets wab:A125PercentEuroNotesDueTwoThousandAndTwentySeven us-gaap:SeniorNotes0.0

wab:A3.45PercentSeniorNotesDueTwoThousandandTwentySix, us-gaap:SeniorNotes


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value748748748748748748748748748748748
Percentage of LongTermDebt18.417.517.717.616.815.816.90.00.00.019.4
Percentage of Assets4.04.04.14.14.14.04.04.04.03.98.7
Percentage of Assets wab:A3.45PercentSeniorNotesDueTwoThousandandTwentySix us-gaap:SeniorNotes0.00.00.00.00.00.00.00.00.00.00.0

wab:A32000PercentSeniorNotesDueTwoThousandAndTwentyFive, us-gaap:SeniorNotes


Long
Period End2021-06-302021-03-312020-12-312020-09-30
Value496495495495
Percentage of LongTermDebt12.211.611.711.6
Percentage of Assets2.72.72.72.7
Percentage of Assets wab:A32000PercentSeniorNotesDueTwoThousandAndTwentyFive us-gaap:SeniorNotes0.00.00.00.0

wab:A4150PercentSeniorNotesDueTwoThousandAndTwentyFour, us-gaap:SeniorNotes


Long
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value746746745745744
Percentage of LongTermDebt18.317.417.617.516.8
Percentage of Assets4.04.04.04.03.9
Percentage of Assets wab:A4150PercentSeniorNotesDueTwoThousandAndTwentyFour us-gaap:SeniorNotes0.00.00.00.00.0

wab:A4375PercentSeniorNotesDueTwoThousandAndTwentyThree, us-gaap:SeniorNotes


Long
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value249249249249249
Percentage of LongTermDebt6.15.85.95.95.6
Percentage of Assets1.31.31.41.41.3
Percentage of Assets wab:A4375PercentSeniorNotesDueTwoThousandAndTwentyThree us-gaap:SeniorNotes0.00.00.00.00.0

wab:A470PercentSeniorNotesDueTwoThousandAndTwentySix, us-gaap:SeniorNotes


Long
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value12421242124112411240
Percentage of LongTermDebt30.429.029.329.228.0
Percentage of Assets6.76.76.76.76.5
Percentage of Assets wab:A470PercentSeniorNotesDueTwoThousandAndTwentySix us-gaap:SeniorNotes0.00.00.00.00.0

us-gaap:LongTermDebt us-gaap:FairValueByMeasurementBasis

us-gaap:EstimateOfFairValueFairValueDisclosure


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value44894619466746144673451746553714
Percentage of LongTermDebt110.0108.0110.1108.5104.695.1105.196.3
Percentage of Assets24.224.925.325.025.324.124.642.9
Percentage of Assets us-gaap:EstimateOfFairValueFairValueDisclosure0.00.00.00.00.00.00.00.0

us-gaap:LongTermDebt us-gaap:FairValueByMeasurementBasis, us-gaap:LongtermDebtType

us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:OtherDebtSecurities


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value12191131930293242
Percentage of LongTermDebt0.30.52.70.50.70.60.71.1
Percentage of Assets0.10.10.60.10.20.20.20.5
Percentage of Assets us-gaap:EstimateOfFairValueFairValueDisclosure us-gaap:OtherDebtSecurities0.00.00.00.00.00.00.00.0

us-gaap:LongTermDebt us-gaap:LongtermDebtType

us-gaap:OtherDebtSecurities


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value121911319302932484125842299.74106.869.159.8755.3591.1530.0
Percentage of LongTermDebt0.30.52.70.50.70.60.70.00.00.01.10.00.00.00.00.00.00.00.00.0
Percentage of Assets0.10.10.60.10.20.20.20.30.21.40.50.30.10.20.10.10.20.10.00.0
Percentage of Assets us-gaap:OtherDebtSecurities0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Long Term Debt Noncurrent

us-gaap:LongTermDebtNoncurrent

us-gaap:LongTermDebtNoncurrent


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value40793923379237993768465543333792539396417317432443385395366356360382359
Percentage of LongTermDebtNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets22.021.220.520.620.424.822.943.919.215.816.713.518.119.017.418.318.317.719.021.222.6

us-gaap:LongTermDebtNoncurrent us-gaap:FairValueByMeasurementBasis

us-gaap:EstimateOfFairValueFairValueDisclosure


Long
Period End2021-06-302021-03-312020-12-312020-03-312019-12-312018-12-31
Value448842654220442445593649
Percentage of LongTermDebtNoncurrent110.0108.7111.395.1105.296.2
Percentage of Assets24.223.022.923.624.142.2
Percentage of Assets us-gaap:EstimateOfFairValueFairValueDisclosure0.00.00.00.00.00.0

Long Term Debt And Capital Lease Obligations

us-gaap:LongTermDebtAndCapitalLeaseObligations

us-gaap:LongTermDebtAndCapitalLeaseObligations


Long
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value3799376846554333463345284641379238181857187118231824193417821762819744801695450400420520521500450450317
Percentage of LongTermDebtAndCapitalLeaseObligations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets20.620.424.822.924.523.924.343.944.627.827.227.728.330.029.626.823.922.023.721.113.512.113.315.816.115.815.416.013.5

Deferred Income Tax Liabilities Net

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:DeferredIncomeTaxLiabilitiesNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-03-312017-12-312016-12-31
Value19418616816315515114572169176198182175245
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.01.00.90.90.80.80.80.40.90.92.32.72.73.7

Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent


Pension
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value10811011310610610911392959695959810510310811211011055565955787978816247495060626366596063635059606064
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.60.60.60.60.60.60.60.50.50.51.11.11.51.51.61.71.81.81.71.61.71.81.72.42.42.52.51.91.51.71.82.12.52.52.82.52.62.93.02.53.03.23.44.0

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

country:US, us-gaap:PensionPlansDefinedBenefit


Pension
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value6.96.97.5036.7819.71
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent6.16.17.96.58.8
Percentage of Assets0.00.00.10.10.1
Percentage of Assets country:US us-gaap:PensionPlansDefinedBenefit0.00.00.00.00.0

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Pension
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value9186767983
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent80.476.980.377.075.4
Percentage of Assets0.50.50.91.21.3
Percentage of Assets us-gaap:ForeignPlan us-gaap:PensionPlansDefinedBenefit0.00.00.00.00.0

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value333330353535373333923.944151719191817177703.4173.3021.8251.7321.2940.9841.1071.0560.9521.3761.3611.9084.3764.4464.8875.1875.7513.0872.8852.4553.2433.53.593.6162.006
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.20.20.20.20.20.20.20.20.50.00.20.30.30.30.30.30.311.70.10.10.10.10.00.00.00.00.00.00.00.10.20.20.20.20.20.10.10.10.20.20.20.20.1

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value73875878379377378380811431069109728276763591923252122232322202120201926182221212521211415131514171616
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.04.14.24.34.24.24.36.05.65.80.30.31.00.90.90.30.40.40.30.70.70.70.70.60.70.60.60.60.80.60.80.80.81.00.90.90.60.70.60.80.70.90.91.0

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value47455043
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0100.0100.0100.0
Percentage of Assets0.30.20.30.2

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value42404337
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0100.0100.0100.0
Percentage of Assets0.20.20.20.2

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value36343732
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0100.0100.0100.0
Percentage of Assets0.20.20.20.2

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-31
Value32
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0
Percentage of Assets0.2

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-31
Value103
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0
Percentage of Assets0.6

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2021-06-302021-03-312020-12-312020-09-30
Value300301294254
Percentage of OperatingLeaseLiability100.0100.0100.0100.0
Percentage of Assets1.61.61.61.4

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value327329323279
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0100.0100.0100.0
Percentage of Assets1.81.81.81.5

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value27282925
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0100.0100.0100.0
Percentage of Assets0.10.20.20.1

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value102941014410122100169845976199569696980196872865289528572969280827172566235122051727172216761699198419551816180717881764167915851512140113261276122511511120104510111014966899776645617
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets55.654.754.954.353.352.052.651.351.750.833.133.842.843.242.742.139.939.033.550.451.049.651.559.759.357.354.755.455.857.656.253.755.752.954.351.149.450.548.450.450.550.949.949.00.00.0

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value103271017710152100529880979799939729983597802869291028742988282827362584236829761730172516781701198519561817180817891765168015871517140513311282123111541123104710141018969903778
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets55.854.955.054.553.552.252.851.551.951.333.234.043.043.543.042.440.139.345.250.551.149.651.659.759.357.454.755.455.857.656.253.955.953.154.551.449.550.648.550.650.651.150.149.1

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-03-312016-12-31
Value-84.6-83.6-81.3-73.3-72.9-73.4-70.7-54.4-56.074-57.079-54.326-51.5-46.287-54.397-54.07-58.386-55.615
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-0.8-0.8-0.8-0.7-0.7-0.7-0.7-0.6-0.6-0.6-1.9-1.8-1.6-1.8-1.9-2.5-1.9
Percentage of Assets-0.5-0.5-0.4-0.4-0.4-0.4-0.4-0.3-0.3-0.3-0.6-0.6-0.7-0.8-0.8-1.0-0.8
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-31
Value-3.1-3.52.4-1.9-4.12.8-3.3-3.1-3.2-3.2-0.0534.015-2.957
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-0.0-0.00.0-0.0-0.00.0-0.0-0.0-0.0-0.0-0.00.1-0.1
Percentage of Assets-0.0-0.00.0-0.0-0.00.0-0.0-0.0-0.0-0.0-0.00.1-0.0
Percentage of Assets us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-03-312016-12-312015-12-312014-12-312013-12-31
Value-375.8-409.0-339.1-482.2-537.8-560.6-382.6-468.6-289.18-309.0-256.583-205.7-156.20134-44.993-331.652-379.605-276.719-159.486-34.856
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-3.6-4.0-3.3-4.8-5.4-5.7-3.8-4.8-2.9-3.2-8.9-7.1-5.41.1-1.6-14.0-12.8-16.3-8.8-2.2
Percentage of Assets-2.0-2.2-1.8-2.6-2.9-3.0-2.0-2.5-1.5-1.6-3.0-2.4-2.30.5-0.7-5.5-5.8-8.4-4.8-1.2
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-03-312016-12-31
Value-288.1-321.9-260.2-407.0-460.8-490.0-308.6-411.1-229.925-248.757-202.204-154.0-109.748835.063-271.638-321.033
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-2.8-3.2-2.6-4.0-4.7-5.0-3.1-4.2-2.3-2.5-7.0-5.3-3.82.80.2-11.5-10.8
Percentage of Assets-1.6-1.7-1.4-2.2-2.5-2.6-1.6-2.2-1.2-1.3-2.3-1.8-1.61.20.1-4.5-4.9
Percentage of Assets us-gaap:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value7896788378807882787178757877781578077796914916910907906869469448415
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest76.577.577.678.479.780.478.880.379.479.731.931.531.730.432.129.227.624.826.2
Percentage of Assets42.742.542.742.742.641.941.641.441.240.910.610.713.613.213.813.214.213.614.7
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value2.02.02.02.02.02.02.02.01.9811.9811.3231.31.3231.3231.3231.3231.3231.3231.323
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.1
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value333330353535373333923.944151719197701.7321.7321.732
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.30.30.30.40.40.40.40.30.30.90.10.50.60.60.725.90.10.10.1
Percentage of Assets0.20.20.20.20.20.20.20.20.20.50.00.20.30.30.311.70.10.10.1
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value3780367835883524341933553267315430873005302129992922285027732553228019091576
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest36.636.135.335.134.634.232.732.431.430.7105.3103.0101.795.498.085.8134.1105.699.3
Percentage of Assets20.419.819.419.118.517.917.216.716.315.834.935.143.841.542.138.869.157.855.9
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value-1008.6-1011.1-1010.1-909.4-909.3-910.2-807.1-807.6-805.618-807.214-816.145-816.3-821.178-824.157-827.379-838.95-775.124-392.262-372.969
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-9.8-9.9-9.9-9.0-9.2-9.3-8.1-8.3-8.2-8.3-28.4-28.0-28.6-27.6-29.3-28.2-45.6-21.7-23.5
Percentage of Assets-5.4-5.5-5.5-4.9-4.9-4.8-4.3-4.3-4.3-4.2-9.4-9.5-12.3-12.0-12.6-12.7-23.5-11.9-13.2
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.01981000.01981000.01323000.01323000.01323000.01323000.01323000.01323000.01323000.01323000.01323000.01323000.01323000.01323000.01323000.01323000.01323000.01323000.01323000.01323000.01323000.01323000.01323000.01323000.01323000.0662000.0662000.0662000.0662000.0662000.0662000.0662000.0662000.0662000.0662000.0662000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.00.00.00.00.00.00.00.00.00.00.0

Additional Paid In Capital Common Stock

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AdditionalPaidInCapitalCommonStock


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value7896788378807882787178757877781578077796914916910907906900898894869470466462469463456449448415
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets42.742.542.742.742.641.941.641.441.240.910.610.713.613.213.814.014.014.813.213.713.813.714.213.913.814.213.614.7

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value3780367835883524341933553267315430873005302129992922285027732735267926172553252424502367228021862095199919091822173716531576150614361364129712351174111110531008963927887766
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets20.419.819.419.118.517.917.216.716.315.834.935.143.841.542.142.441.643.438.873.672.570.069.165.763.563.157.856.454.956.755.953.557.154.555.251.650.450.148.850.347.948.949.248.3

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value-375.8-409.0-339.1-482.2-537.8-560.6-382.6-468.6-289.18-309.0-256.583-205.733-156.20134-44.992-91.93-184.55-331.652-379.605-286.055-290.346-249.097-276.719-257.208-209.696-245.585-159.486-84.285-25.96-34.063-34.856-52.079-86.113-79.304-53.564-55.08-66.298-49.672-60.897-45.996-10.393-17.595-38.077-30.546
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-2.0-2.2-1.8-2.6-2.9-3.0-2.0-2.5-1.5-1.6-3.0-2.4-2.30.5-0.7-1.4-2.9-5.5-5.8-8.3-8.6-7.4-8.4-7.7-6.4-7.8-4.8-2.6-0.8-1.2-1.2-1.8-3.4-3.2-2.3-2.3-2.8-2.2-2.8-2.3-0.5-0.9-2.1-1.9

Treasury Stock Value

us-gaap:TreasuryStockValue

us-gaap:TreasuryStockValue


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value100810111010909909910807807805807816816821824827828828830838983905906775409388388392392383369372345341342349331327305309307290286290289
Percentage of TreasuryStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.45.55.54.94.94.84.34.34.34.29.49.512.312.012.612.812.913.812.728.726.826.823.512.311.812.311.912.212.112.713.212.313.613.614.913.814.013.814.315.314.415.116.118.2

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value333330353535373333923.944151719191817177703.4173.3021.8251.7321.2940.9841.1071.0560.9521.3761.3611.9084.3764.4464.8875.1875.7513.0872.8852.4553.2433.53.593.6162.006
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.20.20.20.20.20.20.20.20.50.00.20.30.30.30.30.30.311.70.10.10.10.10.00.00.00.00.00.00.00.10.20.20.20.20.20.10.10.10.20.20.20.20.1

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

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value138.710-2.710.02.112158.5261.0466.58.2875.696
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value138.710-2.710.02.112158.5261.0466.58.2875.696
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value223292325229310-81.944712341231276-29.86643241624012-26.09620232138752615039133212382290.981148334916100501212
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.116.016.112.317.9-4.218.96.218.42.024.7-2.83.92.315.14.21.3-2.826.64.919.19.83.822.16.32.05.20.014.14.80.227.86.810.33.625.713.53.23.4

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-30.4-422.0-35.5-21.7-35.6-62.6-68.0-69.436-300.716-2739.648-43.127-35.06-25.235-43.865-125.905734-65.505-819.124-659.174-4.928-19.207-115.638-3.046-120.801-58.877-21.329-94.64-10.098-72.519-9.401-25.865-38.397-53.09-58.638-3.352-41.175
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.5-23.1-1.8-1.2-2.0-3.2-2.9-3.5-13.4-171.9-3.9-3.3-2.3-4.2-11.776.7-7.0-89.4-86.7-0.7-2.8-18.3-0.5-19.60.0-3.6-15.5-1.7-13.6-1.9-5.4-8.4-13.5-15.6-0.9-11.3

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-220.27.7-258.2-237.3-307.0183-355.690-156.882882-17.1991972-5.90428-27.382-111.63981-39.473636-8.954-126.06138-19.096100-134.017-15.35434-9.724-12.895-8.752-4.523-20.589120.049-13.4527
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-10.90.4-12.8-12.7-17.79.5-15.04.5-7.055.4-1.5183.0-0.52.7-2.5-11.78.7-4.383.8-1.3-18.521.9-3.016.30.0-2.65.6-1.7-2.4-1.8-0.9-4.53.10.0-3.67.4

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-30.0-115.239-28.6-28.01116126-51.499-1829.4842061889-4.312165.321
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.5-6.31.9-1.5-1.60.60.76.3-2.3-114.818.5175.3-0.41.60.5

Increase Decrease In Accounts Payable

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:IncreaseDecreaseInAccountsPayable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3547-65.6-54.9-88.3-60.22.2-74.56544-116.37544-55.217273229-45.628-51.071-24.6924-30.024.245-18.0024.051-55.686-12.084-12.93114-2.6822419372.2346.348146.086-16.3648.187-10.39256-2.76610-4.037380.7942.4832.541
Percentage of IncreaseDecreaseInAccountsPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Accounts Receivable

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInAccountsReceivable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value38-9.3-69.80.9-268.722-26.0-3.405-15.90951-45.60140-6.368668.43-6.298-29.93796-58.0936-21.67323-22.381-34.907-3.71439-71.946-2.5671180-17.476646042-48.454-15.6493947-11.588142935-11.776-20.2323134
Percentage of IncreaseDecreaseInAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Inventories

us-gaap:IncreaseDecreaseInInventories

us-gaap:IncreaseDecreaseInInventories


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-19.011-173.0-38.16.823-197.288-72.124-75.3-16.649.3926550-44.414.9591632-43.039-13.19412-1.4-35.994-9.6896.9951830131.144192.965-22.022-20.209135.892-1.7747.9122016162521-0.684-3.1621.6863.81
Percentage of IncreaseDecreaseInInventories100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Other Operating Capital Net

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-5.422102364283-70.2-77.24524-104.106-45.196-4.6995724-97.664-4.9613163-35.2878.399-23.44516-3.542-18.5852413-8.8441919-6.2180.5269.601-0.5876.782-32.819-6.6779.472-61.2390.63813-1.724-1.414101.713-6.516
Percentage of IncreaseDecreaseInOtherOperatingCapitalNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value223292325229310-81.944712341231276-29.86643241624012-26.09620232138752615039133212382290.981148334916100501212
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.116.016.112.317.9-4.218.96.218.42.024.7-2.83.92.315.14.21.3-2.826.64.919.19.83.822.16.32.05.20.014.14.80.227.86.810.33.625.713.53.23.4

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value124112871288611113591104-4.47234878488486772733782909410199101969290888074737469646264594646364030303130
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.26.14.36.95.05.85.74.64.7-0.33.18.17.68.44.67.07.78.15.012.212.512.212.212.312.011.711.311.312.111.510.911.711.711.310.610.710.610.28.79.37.69.07.98.18.38.3

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value125114861288511113790102-4.013348683874968727246829094
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.26.34.36.94.95.85.84.54.6-0.33.18.07.58.34.67.17.77.96.112.212.512.2

us-gaap:ProfitLoss us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Profit
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-03-31
Value0.70.70.70.50.550.5520.50.520.520.592
Percentage of ProfitLoss0.50.80.60.60.5-13.80.60.60.60.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.00.00.00.00.00.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.0

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.42.30.5-1.0-0.41.3-0.5-1.3810.4590.459-1.6-1.145-0.909
Percentage of ProfitLoss0.32.00.4-1.2-0.40.9-0.6-1.3-11.41.3-1.9-1.4-1.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.10.0-0.1-0.00.1-0.0-0.10.00.0-0.1-0.1-0.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1241121288611113591104-4.47234878488
Percentage of ProfitLoss99.798.099.6101.2100.499.1100.6101.3111.498.4101.9101.4101.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.26.16.95.05.85.74.64.7-0.33.18.17.68.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.0

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value168.21.911-1.67.31312158.5264.8316.5018.2875.6966.7482.666.1875.6926.0255.1154.1635.515.9275.1036.2268.7637.0277.0045.3966.7076.5116.5065.535.564.8415.0874.8755.0455.4243.8525.9513.4193.5472.5783.1492.491
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-30.4-422.0-35.5-21.7-35.6-62.6-68.0-69.436-300.716-2739.648-43.127-35.06-25.235-43.865-125.905734-65.505-819.124-659.174-4.928-19.207-115.638-3.046-120.801-58.877-21.329-94.64-10.098-72.519-9.401-25.865-38.397-53.09-58.638-3.352-41.175
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.5-23.1-1.8-1.2-2.0-3.2-2.9-3.5-13.4-171.9-3.9-3.3-2.3-4.2-11.776.7-7.0-89.4-86.7-0.7-2.8-18.3-0.5-19.60.0-3.6-15.5-1.7-13.6-1.9-5.4-8.4-13.5-15.6-0.9-11.3

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2926373134337250322929242217292119191812108.5041612128.4581612126.333178.9878.166.448118.2336.2710159.415.4157.4018.4725.3643.4063.601
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-220.27.7-258.2-237.3-307.0183-355.690-156.882882-17.1991972-5.90428-27.382-111.63981-39.473636-8.954-126.06138-19.096100-134.017-15.35434-9.724-12.895-8.752-4.523-20.589120.049-13.4527
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-10.90.4-12.8-12.7-17.79.5-15.04.5-7.055.4-1.5183.0-0.52.7-2.5-11.78.7-4.383.8-1.3-18.521.9-3.016.30.0-2.65.6-1.7-2.4-1.8-0.9-4.53.10.0-3.67.4

Payments Of Dividends Common Stock

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsOfDividendsCommonStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value222323222323232322111111111111119.6059.5728.9078.9587.217.3557.6487.7355.85.785.7755.783.8633.8283.844
Percentage of PaymentsOfDividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-312012-12-31
Value0.01.21010.00.01050.00.00.00.00.00.00.0780.0133365220.00.00.02718
Percentage of PaymentsForRepurchaseOfCommonStock0.0100.0100.00.00.0100.00.00.00.00.00.00.00.0100.00.0100.0100.0100.00.00.00.0100.0100.0

Debt Instrument Interest Rate Stated Percentage

us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument

us-gaap:DebtInstrumentInterestRateStatedPercentage

wab:A125PercentEuroNotesDueTwoThousandAndTwentySeven


Debt
Period End2021-06-30
Value1.25
Percentage of DebtInstrumentInterestRateStatedPercentage100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations wab:A125PercentEuroNotesDueTwoThousandAndTwentySeven0.0

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

wab:A320PercentSeniorNotesDueTwoThousandAndTwentyFive, us-gaap:SeniorNotes, us-gaap:SubsequentEvent


Debt
Period End2020-07-29
Value0.032
Percentage of DebtInstrumentInterestRateStatedPercentage0.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations wab:A320PercentSeniorNotesDueTwoThousandAndTwentyFive us-gaap:SeniorNotes us-gaap:SubsequentEvent0.0

Effective Income Tax Rate Continuing Operations

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:EffectiveIncomeTaxRateContinuingOperations


Effective
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value25.827.50.226.70.2490.255-0.0350.20.2871.2770.0340.1620.1120.230.0210.1570.2540.276-0.0560.2850.2880.31500.3150.3230.319-0.0040.3130.3070.3170.0020.2920.320.300.3180.3370.3440.0020.3360.3030.3520.0040.3340.331
Percentage of EffectiveIncomeTaxRateContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-312008-12-31
Value72.6272.1569.8266.3566.3766.5263.3663.0763.0863.5861.0456.547.8446.3440.6240.340.0938.7435.3935.2335.035.0432.732.7632.5132.3128.3328.127.5627.5524.3624.3223.6146.2840.4839.9438.5838.1234.7434.4733.6227.8323.8920.16
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Liabilities

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value103531741792416618716713811295
Percentage of DeferredTaxLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value4092881481451651371211041089661
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value151616121217171012129.5434.56.98.48.48.49.51010101312121210101010118.2049.9749.98117
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value4158412521121.8183.3322.141
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationConsiderationTransferred1 us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationConsiderationTransferred1

wab:Nordco


Business
Period End2021-03-31
Value407
Percentage of BusinessCombinationConsiderationTransferred1100.0

us-gaap:BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationAsset1 us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationAsset1

wab:GETransportation


Business
Period End2020-12-31
Value16
Percentage of BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationAsset1100.0

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

us-gaap:ConcentrationRiskPercentage1

us-gaap:NonUs, us-gaap:SalesRevenueNet, us-gaap:GeographicConcentrationRisk


Concentration
Period End2021-03-31
Value64.0
Percentage of ConcentrationRiskPercentage1100.0

us-gaap:ContractWithCustomerAssetIncreaseDecreaseForContractAcquiredInBusinessCombination

us-gaap:ContractWithCustomerAssetIncreaseDecreaseForContractAcquiredInBusinessCombination


Contract
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.0-4.656612873077392e-160.04.1203.8-25.1238
Percentage of ContractWithCustomerAssetIncreaseDecreaseForContractAcquiredInBusinessCombination0.0100.00.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerAssetReclassifiedToReceivable

us-gaap:ContractWithCustomerAssetReclassifiedToReceivable


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value12224281349236282162115103197
Percentage of ContractWithCustomerAssetReclassifiedToReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiabilityIncreaseDecreaseForContractAcquiredInBusinessCombination

us-gaap:ContractWithCustomerLiabilityIncreaseDecreaseForContractAcquiredInBusinessCombination


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.01.70.00.1-0.16.919328.0274
Percentage of ContractWithCustomerLiabilityIncreaseDecreaseForContractAcquiredInBusinessCombination0.0100.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiabilityRevenueRecognized

us-gaap:ContractWithCustomerLiabilityRevenueRecognized


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1032131029616317-2.316047204
Percentage of ContractWithCustomerLiabilityRevenueRecognized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentRedemptionPricePercentage us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

us-gaap:DebtInstrumentRedemptionPricePercentage

wab:A320PercentSeniorNotesDueTwoThousandAndTwentyFive, us-gaap:SeniorNotes, us-gaap:SubsequentEvent


Debt
Period End2020-07-29
Value0.99892
Percentage of DebtInstrumentRedemptionPricePercentage100.0

us-gaap:DepreciationAndAmortization

us-gaap:DepreciationAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1261201201191171151121241095526292527262525252016161616161615161714131412131112119.9951011129.95610119.7118.7768.4
Percentage of DepreciationAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCash

us-gaap:DividendsCash


Dividends
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value2323222323222322111111111111119.6059.5728.9078.9587.2097.3557.6487.7355.7995.7815.7755.783.8633.8283.8454.0032.412.3862.412.3761.4421.4381.4421.4420.4840.4810.4850.480.481
Percentage of DividendsCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCash us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Dividends
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value232322232323221111111111
Percentage of DividendsCash100.0100.0100.0100.0100.0100.0100.0100.099.0100.1100.0100.0

us-gaap:DividendsCommonStockStock

us-gaap:DividendsCommonStockStock


Dividends
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value2223222223232211115.7525.7593.8493.8121-3.986-2.399-2.374-12.8562.364-1.4351.431.4351.4350.4820.4790.4830.4780.479
Percentage of DividendsCommonStockStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Effect
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-2600000.06900000.0900000.04100000.0-27300000.0-19249000.0-6487000.0-4164000.0-17705000.0-16877000.07482000.0
Percentage of EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseRightOfUseAssetAmortization

us-gaap:FinanceLeaseRightOfUseAssetAmortization


Finance
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value200000.0300000.0300000.0300000.0300000.0200000.0300000.0272000.0300000.0
Percentage of FinanceLeaseRightOfUseAssetAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignCurrencyTransactionGainLossRealized

us-gaap:ForeignCurrencyTransactionGainLossRealized


Foreign
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value2.38.6-0.499999999999999066.4-0.3-13.82.7-2.4-1.12-12.6821.089-3.525-2.277-1.032-1.398-4.113-2.3031.213-3.5130.88-1.530.1622.334-3.058-1.541-2.394-1.891-0.4550.262-0.361-0.579-1.002-1.004-0.9270.293-1.4680.6310.410.02-1.795-0.5890.323-0.227-1.0470.893
Percentage of ForeignCurrencyTransactionGainLossRealized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GoodwillForeignCurrencyTranslationGainLoss

us-gaap:GoodwillForeignCurrencyTranslationGainLoss


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value27-74.11136136-83.278-100.09222-37.429-20.319-18.923-91.8814419579423-21.570.866
Percentage of GoodwillForeignCurrencyTranslationGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GoodwillForeignCurrencyTranslationGainLoss us-gaap:StatementBusinessSegments

wab:FreightSegment


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value11-9.0296.926-62.833-33.7133.628-15.315-4.335-6.431-2.6811.4026.5533.7472.3173.343-5.729-0.667
Percentage of GoodwillForeignCurrencyTranslationGainLoss42.312.125.611.272.275.543.033.716.540.921.334.02.93.232.96.62.514.126.6-77.0

wab:TransitSegment


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value16-65.1845410.0-20.444-66.37918-22.114-15.984-12.492-89.24213539120-15.8411.533
Percentage of GoodwillForeignCurrencyTranslationGainLoss57.787.974.488.827.824.557.066.383.559.178.766.097.196.867.193.497.585.973.4177.0

us-gaap:GoodwillPurchaseAccountingAdjustments

us-gaap:GoodwillPurchaseAccountingAdjustments


Goodwill
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value-0.42140.00.2-3.752-13.82357832.886-8.34724-15.9482850-0.188-0.2750.9761.428-1.1715.6622.026-11.783-2.765-1.563-4.2541.7750.07
Percentage of GoodwillPurchaseAccountingAdjustments100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GoodwillPurchaseAccountingAdjustments us-gaap:StatementBusinessSegments

wab:FreightSegment


Goodwill
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value-0.42140.00.2-3.752-29.24357832.254-6.949.938-15.9510.2962.260.095-0.288-0.0491.428-1.2550.215-0.1820.012-1.952-0.009-4.2541.7750.036
Percentage of GoodwillPurchaseAccountingAdjustments100.0100.00.0100.0100.098.9211.6100.078.183.140.7100.01.04.4-50.5104.7-5.0100.0107.23.8-9.0-0.170.60.6100.0100.051.4

us-gaap:IncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromEquityMethodInvestments


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value4.62.73.05.62.0-0.95.11.01.0210.929-0.9240.6321.5940.6290.9920.520.7920.00.00.00.00.0
Percentage of IncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.0

us-gaap:IncreaseDecreaseInAccruedIncomeTaxesPayable

us-gaap:IncreaseDecreaseInAccruedIncomeTaxesPayable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value5.21339129.5-4.4-3.8-6.8993.0031851-43.568-14.2061483-12.917-25.2132.188-17.7113.039-26.866290.7761.779-5.396247.4080.896-1.07116-13.0012.972-14.5599.555-15.824-1.22-23.06.842270.434-6.96510-12.5790.1355.7920.841
Percentage of IncreaseDecreaseInAccruedIncomeTaxesPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements


Incremental
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value300000.0400000.00400000.0400000.0600000.00400000.0362000.00-31000.0429000.0583000.0561000.027000.0607000.0643000.0748000.012000.0704000.0713000.0891000.0-95000.0999000.01097000.01142000.015000.01069000.01010000.01276000.0-2000.01326000.01340000.0
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements100.0100.00.0100.0100.0100.00.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LeaseCost

us-gaap:LeaseCost


Lease
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value14141414141514141313
Percentage of LeaseCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseCost

us-gaap:OperatingLeaseCost


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value14141414141414131313
Percentage of OperatingLeaseCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value32-70.61425422-178.785-179.90219-53.0-50.789-53.773-20.242-48.28935-86.873-76.149-59.1826.914-0.32816
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value-1.8-3.0-8.7-1.1-0.3-3.4-16.81.1490.456-3.305-3.319-5.7447.591-0.847-3.363111.618-1.2352.4-16.3911.424-0.8310.563
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax-5.64.2-6.1-2.0-1.41.9-19.6-0.62.46.26.510.70.00.00.0-58.3-3.4-3.5-2.821.5-2.4-12.0-171.6

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.4-5.94.32.2-6.96.1-0.20.10.0-3.1
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax1.28.43.04.0-31.4-3.4-0.2-0.10.05.8

us-gaap:AccumulatedTranslationAdjustment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-31
Value33-61.71465329-181.4102-181.17918-46.553-48.167-44.289-192.7787749-48.47436-87.931-60.9648.731-0.643
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax104.387.4103.198.0132.7101.5119.9100.797.687.894.882.40.00.00.0100.4102.7101.2103.0126.3196.0

us-gaap:OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value33-72.91425620-176.980-178.720-54.268-55.064-51.207-189.6879459714748-95.6234.885-40.89726-10.131-47.67636-85.814-82.641-57.2587.8291.4482235-5.667-24.8966473477024114361
Percentage of OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value500000.0-7900000.06000000.02800000.0-9100000.08100000.0-300000.0200000.00-4100000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value33-61.71465329-181.4102-181.118-46.553-48.203-44.253-192.77877488214549-86.2992.734-42.3332-32.576-48.47436-87.931-58.9-60.9648.731-0.6438.14434-9.037-27.9418.1311-16.51910
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-31
Value33-69.91435522-178.086-179.419-52.417-50.85-49.532-190.21779469214747-93.554.291-41.24927-19.511-47.51235-86.099-75.201-58.3258.1030.7931734-185.451744870104361
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value1.13.3100.6-0.73.621-2.2-1.3283.6227.1376.872-10.6650.43-5.862-0.027-0.033.07411-0.982-2.1493.783-21.103-2.5860.822-3.82222-2.5530.026-1.808-14.356-1.341-2.303-3.1028.450.128-1.92-0.36619-2.571-0.861
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossTaxPortionAttributableToParent1

us-gaap:OtherComprehensiveIncomeLossTaxPortionAttributableToParent1


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value0-3000000.0-1200000.0500000.0-2000000.01100000.0-5200000.0700000.0318000.0-1851000.0-4214000.0-1675000.0537000.0595000.0-1565000.05333000.0300000.061000.0-2073000.0594000.0352000.0-1387000.09380000.0-164000.0320000.0285000.0-7440000.01067000.0-274000.0655000.05488000.01075000.0
Percentage of OtherComprehensiveIncomeLossTaxPortionAttributableToParent10.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-312013-09-302012-12-312012-09-302011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3.74010.00.04.635-4.21927027102.086103.98348070.046679863210.21290.024750.7761001.3961064713570.0203144530.039
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.00.0100.0

us-gaap:ProceedsFromAccountsReceivableSecuritization

us-gaap:ProceedsFromAccountsReceivableSecuritization


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-30
Value310257852289
Percentage of ProceedsFromAccountsReceivableSecuritization100.0100.0100.0100.0

us-gaap:ProceedsFromIssuanceOfDebt us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:ProceedsFromIssuanceOfDebt

wab:A125PercentSeniorNotesDueTwoThousandAndTwentySix, us-gaap:SeniorNotes


Proceeds
Period End2021-06-03
Value598
Percentage of ProceedsFromIssuanceOfDebt100.0

us-gaap:ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet

us-gaap:ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value15731435942843111198110266295891736-9.4832898285306333138286458152911635195397216621111301662165090
Percentage of ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1.3-5.10.60.30.4-5.910-12.30.8-4.1
Percentage of ProceedsFromPaymentsForOtherFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromRepaymentsOfAccountsReceivableSecuritization

us-gaap:ProceedsFromRepaymentsOfAccountsReceivableSecuritization


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-30
Value-10.99272-2.5
Percentage of ProceedsFromRepaymentsOfAccountsReceivableSecuritization100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2.2999999999999995.92.29.43.36.40.50.3452.2690.7862.1540.2391.0027.8980.2250.5950.1870.2840.223-0.0250.0810.0841.430.1760.040.1380.0810.123-1.1881.405-0.1680.3365.1140.7180.040.8380.00.0930.3630.0090.2750.0160.3520.0110.0540.001
Percentage of ProceedsFromSaleOfPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProductWarrantyAccrualAdditionsFromBusinessAcquisition

us-gaap:ProductWarrantyAccrualAdditionsFromBusinessAcquisition


Product
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312014-09-302013-12-312013-09-302012-12-312012-09-302011-12-312011-09-30
Value0.01.70.00.00.04.319107.64890.0541.992-0.8861.975-2.6063.0150.3350.062520.0247.5470.0-5.2140.0100.0-0.0170.4681.0350.20.0620.0
Percentage of ProductWarrantyAccrualAdditionsFromBusinessAcquisition0.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.00.0100.0100.0100.0100.0100.00.0

us-gaap:ProductWarrantyAccrualPayments

us-gaap:ProductWarrantyAccrualPayments


Product
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value222835293234243232271116151115178.2558.224117.271137.287108.4233.1717.3674.9985.7565.1483.6683.8636.0755.9524.7135.0014.1711-3.46-3.906-3.994-4.861-4.066-5.245-4.045
Percentage of ProductWarrantyAccrualPayments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProductWarrantyAccrualWarrantiesIssued

us-gaap:ProductWarrantyAccrualWarrantiesIssued


Product
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value29294332322223163134121815111717105.766.1594.9356.973107.5727.686.363126.7769.3056.0234.3824.8269.0784.7734.6815.426.3896.5257.2823.2183.6285.7563.9678.087
Percentage of ProductWarrantyAccrualWarrantiesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302015-12-312015-09-302015-06-302015-03-312014-12-31
Value-800000.0-700000.0-700000.0-700000.0-800000.0-700000.0-500000.0-499000.0-501000.0-600000.0102000.0-4282000.0-731000.0-777000.0-770000.0-774000.07282000.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value-800000.0-700000.0-700000.0-700000.0-800000.0-700000.0-500000.0-499000.0-549000.0-552000.0-463000.0-561000.0-519000.0-520000.0-592000.0-449000.0-458000.0-458000.0-459000.04614000.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0109.692.0-453.913.10.00.00.061.458.959.559.363.4

us-gaap:RepaymentsOfAccountsReceivableSecuritization

us-gaap:RepaymentsOfAccountsReceivableSecuritization


Repayments
Period End2021-06-302021-03-312020-12-312020-09-30
Value321165779291
Percentage of RepaymentsOfAccountsReceivableSecuritization100.0100.0100.0100.0

us-gaap:RepaymentsOfLongTermDebtAndCapitalSecurities

us-gaap:RepaymentsOfLongTermDebtAndCapitalSecurities


Repayments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value17721398960105713956631359512714837-12.6729202802663502381974828864090851521658221113014616650180
Percentage of RepaymentsOfLongTermDebtAndCapitalSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue


Share
Period End2021-06-302021-03-312020-12-31
Value-0.6575.560.36
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue


Share
Period End2021-06-302021-03-312020-12-31
Value-0.1181.21-0.99
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue


Share
Period End2021-06-302021-03-312020-12-31
Value-1.6273.17-0.02
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value00.600.59400.0060000.006600-0.00020.00330000.00230000.00260000.00140000.00110000.0021000.00060.001700.000100.000700
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate0.0100.00.0100.00.0100.00.00.00.0100.00.00.0100.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.0100.0100.00.0100.00.0100.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value036.1027.82100.2790000.2580000.2390000.2340000.2690000.2730-0.00200.3320000.4380.00050-0.00050.450000.45600
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate0.0100.00.0100.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.0100.00.0100.00.00.00.0100.0100.00.0100.0100.00.00.00.0100.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value00.81-0.031.514400.01560-0.0001-0.00020.02630.000200.00080.0270.0003000.02170.0003000.0147-0.0002000.01820.0001000.02190.0002000.01380.00050.0001-0.00010.01350.0004-0.000700.03030.00040
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate0.0100.0100.0100.00.0100.00.0100.0100.0100.0100.00.0100.0100.0100.00.00.0100.0100.00.00.0100.0100.00.00.0100.0100.00.00.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice


Share
Period End2021-06-302021-03-312020-12-31
Value12.1540.28-3.5
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice


Share
Period End2021-06-302021-03-312020-12-31
Value3.1471.870.32
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice


Share
Period End2021-06-302021-03-312020-12-31
Value081.21-0.16
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice0.0100.0100.0

us-gaap:StandardAndExtendedProductWarrantyAccrualForeignCurrencyTranslationGainLoss

us-gaap:StandardAndExtendedProductWarrantyAccrualForeignCurrencyTranslationGainLoss


Standard
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value-800000.06800000.0-6100000.0-3800000.0-1200000.03300000.0-2800000.03701000.0-693000.01092000.0-10662000.02909000.03518000.0-2138000.0-4684000.0-857000.0-4811000.0-1076000.0-2312000.076000.0-721000.025000.0-995000.0-852000.0
Percentage of StandardAndExtendedProductWarrantyAccrualForeignCurrencyTranslationGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1.4-5.20.30.3-5.78.4-5.5-2.971-5.515-3.164.8-2.759-1.289
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-1.1-5.40.4-0.6-7.97.9-3.5-4.567-14.446-3.294-0.1-5.738-4.511
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised-78.6103.8133.3-200.0138.694.063.6153.7261.9104.2-2.1208.0350.0

us-gaap:TreasuryStock


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2.50.2-0.10.92.20.5-2.01.5968.9310.1344.92.9793.222
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised178.6-3.8-33.3300.0-38.66.036.4-53.7-161.9-4.2102.1-108.0-250.0

us-gaap:StockholdersEquityOther

us-gaap:StockholdersEquityOther


Stockholders
Period End2021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-300000.0-100000.05100000.0-2800000.0-100000.01643000.0-1432000.0500000.0618000.0-356000.0
Percentage of StockholdersEquityOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockholdersEquityOther us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Stockholders
Period End2021-03-312020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-300000.0-100000.0800000.0-100000.01643000.0-1432000.0500000.0618000.0-356000.0
Percentage of StockholdersEquityOther100.0100.015.7100.0100.0100.0100.0100.0100.0

us-gaap:SubleaseIncome

us-gaap:SubleaseIncome


Sublease
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0138000.0100000.0
Percentage of SubleaseIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockValueAcquiredCostMethod

us-gaap:TreasuryStockValueAcquiredCostMethod


Treasury
Period End2021-03-312020-03-31
Value1.2105
Percentage of TreasuryStockValueAcquiredCostMethod100.0100.0

us-gaap:TreasuryStockValueAcquiredCostMethod us-gaap:StatementEquityComponents

us-gaap:TreasuryStock


Treasury
Period End2021-03-312020-03-31
Value1.2105
Percentage of TreasuryStockValueAcquiredCostMethod100.0100.0

us-gaap:UndistributedEarnings

us-gaap:UndistributedEarnings


Undistributed
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value102896410564881126881-16.1592276727637556264287383869491959086848476706972676260635744453540303030
Percentage of UndistributedEarnings100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnrealizedGainLossOnDerivatives us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

us-gaap:UnrealizedGainLossOnDerivatives

us-gaap:ForeignExchangeForward, us-gaap:Nondesignated


Unrealized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value-1500000.0-1600000.0-1800000.03100000.0-1600000.0
Percentage of UnrealizedGainLossOnDerivatives100.0100.0100.0100.0100.0

wab:AmortizationOfIntangibleLiability

wab:AmortizationOfIntangibleLiability


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value7.3122012173752209.40.00.00.0
Percentage of AmortizationOfIntangibleLiability100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

wab:BasicWeightedAverageCommonSharesOutstandingAndNonVestedRestrictedStockExpectedToVest

wab:BasicWeightedAverageCommonSharesOutstandingAndNonVestedRestrictedStockExpectedToVest


Basic
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value189188-0.21901901917.31901771210.069696960.0959595-0.192899091-0.0749696960.0299696950.082969647-0.001474847-0.0014848470.034747
Percentage of BasicWeightedAverageCommonSharesOutstandingAndNonVestedRestrictedStockExpectedToVest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wab:ContractWithCustomerAssetIncreaseDecreaseForeignCurrencyTranslationAdjustment

wab:ContractWithCustomerAssetIncreaseDecreaseForeignCurrencyTranslationAdjustment


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1.0-5.5185.52.1-8.312-11.8-0.1-0.8
Percentage of ContractWithCustomerAssetIncreaseDecreaseForeignCurrencyTranslationAdjustment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wab:ContractWithCustomerAssetNewContractAdditions

wab:ContractWithCustomerAssetNewContractAdditions


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value13623390307158293174120136188
Percentage of ContractWithCustomerAssetNewContractAdditions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wab:ContractWithCustomerLiabilityNewContractAdditions

wab:ContractWithCustomerLiabilityNewContractAdditions


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value105233282164134290136208367205
Percentage of ContractWithCustomerLiabilityNewContractAdditions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wab:ContractwithCustomerLiabilityIncreaseDecreaseForeignCurrencyTranslationAdjustment

wab:ContractwithCustomerLiabilityIncreaseDecreaseForeignCurrencyTranslationAdjustment


Contractwith
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value2.3-8.4148.7-5.8-6.29.9-11.4-0.5-0.4
Percentage of ContractwithCustomerLiabilityIncreaseDecreaseForeignCurrencyTranslationAdjustment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wab:ContractwithCustomerLiabilityRevenueRecognizedfromCurrentYearAdditions

wab:ContractwithCustomerLiabilityRevenueRecognizedfromCurrentYearAdditions


Contractwith
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value5111173459511213122516.4
Percentage of ContractwithCustomerLiabilityRevenueRecognizedfromCurrentYearAdditions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wab:DividendsDeclaredCommonShares

wab:DividendsDeclaredCommonShares


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value222223222222222322111111111111119.5769.5428.8818.9337.1897.3327.6257.7135.7825.7595.7525.7593.8493.81
Percentage of DividendsDeclaredCommonShares100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wab:GoodwillDisposals

wab:GoodwillDisposals


Goodwill
Period End2020-12-31
Value0
Percentage of GoodwillDisposals0.0

wab:GoodwillDisposals us-gaap:StatementBusinessSegments

wab:FreightSegment


Goodwill
Period End2020-12-31
Value0
Percentage of GoodwillDisposals0.0

wab:IncreaseDecreaseInAccruedLiabilitiesAndCustomerDeposits

wab:IncreaseDecreaseInAccruedLiabilitiesAndCustomerDeposits


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value-63.925-15.123-14.6-84.7-30.7-5.38884-59.97815-11.17629-1.529-100.161-5.6671.63485-2.985-11.85816-12.832-1.92614-10.621-16.468601212-15.92
Percentage of IncreaseDecreaseInAccruedLiabilitiesAndCustomerDeposits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wab:InterestExpenseAndOtherNet

wab:InterestExpenseAndOtherNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value343342314568515556523522291716201615294.8696.1984.7171.8117.2885.9287.1725.7574.7484.2824.4673.6765.4872.8654.1953.3344.4633.286
Percentage of InterestExpenseAndOtherNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wab:InterestExpenseAndOtherNet us-gaap:ConsolidationItems

wab:CorporateAndEliminations


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value3433423145685155565235222917
Percentage of InterestExpenseAndOtherNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.299.9100.0100.0

wab:NumeratorForBasicAndDilutedEarningsPerCommonShare

wab:NumeratorForBasicAndDilutedEarningsPerCommonShare


Numerator
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value112871278611113590103-4.465348784884967717337829093101981019592898879737374696462645846463640303031
Percentage of NumeratorForBasicAndDilutedEarningsPerCommonShare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wab:PercentageOfNetIncomeAllocatedToCommonShareholders

wab:PercentageOfNetIncomeAllocatedToCommonShareholders


Percentage
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value99.899.8099.80.9970.99700.9970.9970.99700.9970.9970.9970.0030.9970.9970.99700.9970.9970.99700.9970.9970.99600.9960.9960.99500.9960.9960.99500.9950.9950.99500.9950.9950.99500.9950.995
Percentage of PercentageOfNetIncomeAllocatedToCommonShareholders100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0

wab:PeriodicDefinedBenefitsExpenseReversalofExpenseExcludingInterestCostAndServiceCostComponent

wab:PeriodicDefinedBenefitsExpenseReversalofExpenseExcludingInterestCostAndServiceCostComponent


Periodic
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-2700000.0-2700000.0-2800000.0-2500000.0-2300000.0-2400000.0-2400000.0-2300000.0-1789000.0-3376000.0-168000.0-2829000.0-3027000.0-3023000.0-2364000.0-2490000.0-2488000.0-2492000.0
Percentage of PeriodicDefinedBenefitsExpenseReversalofExpenseExcludingInterestCostAndServiceCostComponent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wab:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNetPerformanceAdjustmentWeightedAverageNetPerformanceAdjustmentFairValue

wab:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNetPerformanceAdjustmentWeightedAverageNetPerformanceAdjustmentFairValue


Share
Period End2020-12-31
Value-0.52
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNetPerformanceAdjustmentWeightedAverageNetPerformanceAdjustmentFairValue100.0

wab:ShorttermAndVariableLeaseCost

wab:ShorttermAndVariableLeaseCost


Shortterm
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value200000.0100000.000100000.0200000.0172000.0100000.0
Percentage of ShorttermAndVariableLeaseCost100.0100.00.00.0100.0100.0100.0100.0

wab:StockGrantedExercisedAndCancelledForVariousEquityInstruments us-gaap:StatementEquityComponents

wab:StockGrantedExercisedAndCancelledForVariousEquityInstruments

us-gaap:TreasuryStock


Stock
Period End2021-06-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value100000.0100000.0202440.022711.0-22088.065506.0420470.08000.0220570.0159010.0193010.0
Percentage of StockGrantedExercisedAndCancelledForVariousEquityInstruments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wab:UndistributedEarningsAllocatedToCommonShareholders

wab:UndistributedEarningsAllocatedToCommonShareholders


Undistributed
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value102896310563881126781-16.1112275727637556264287383869391959086848475696971666260625744443540302930
Percentage of UndistributedEarningsAllocatedToCommonShareholders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AociIncludingPortionAttributableToNoncontrollingInterestTax us-gaap:StatementEquityComponents

us-gaap:AociIncludingPortionAttributableToNoncontrollingInterestTax

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Aoci
Period End2020-12-312019-12-312018-12-31
Value272423
Percentage of AociIncludingPortionAttributableToNoncontrollingInterestTax100.0100.0100.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Aoci
Period End2020-12-312019-12-312018-12-31
Value0.80.00.0
Percentage of AociIncludingPortionAttributableToNoncontrollingInterestTax3.00.00.0

us-gaap:BuildingsAndImprovementsGross

us-gaap:BuildingsAndImprovementsGross


Buildings
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value801774248259225170180138129120116
Percentage of BuildingsAndImprovementsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationContingentConsiderationLiability us-gaap:BalanceSheetLocation, us-gaap:BusinessAcquisition, us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:BusinessCombinationContingentConsiderationLiability

wab:OtherAccruedLiabilities, wab:GeneralElectricCompany, us-gaap:FairValueInputsLevel3


Business
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value130130130160160160
Percentage of BusinessCombinationContingentConsiderationLiability100.0100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationContingentConsiderationLiabilityNoncurrent

us-gaap:BusinessCombinationContingentConsiderationLiabilityNoncurrent


Business
Period End2021-06-302021-03-312020-12-31
Value219218218
Percentage of BusinessCombinationContingentConsiderationLiabilityNoncurrent100.0100.0100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents

wab:Nordco


Business
Period End2021-03-31
Value5.1
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther

wab:Nordco


Business
Period End2021-03-31
Value1.7
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables

wab:Nordco


Business
Period End2021-03-31
Value22
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities

wab:Nordco


Business
Period End2021-03-31
Value18
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill

wab:Nordco


Business
Period End2021-03-31
Value163
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory

wab:Nordco


Business
Period End2021-03-31
Value34
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities

wab:Nordco


Business
Period End2021-03-31
Value61
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilities us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilities

wab:Nordco


Business
Period End2021-03-31
Value42
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilities100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets

wab:Nordco


Business
Period End2021-03-31
Value9.4
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment

wab:Nordco


Business
Period End2021-03-31
Value16
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet

wab:Nordco


Business
Period End2021-03-31
Value406
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet100.0

us-gaap:ContractWithCustomerAssetNet

us-gaap:ContractWithCustomerAssetNet


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value545530544517554629623579582574345389378382366
Percentage of ContractWithCustomerAssetNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerAssetNetCurrent

us-gaap:ContractWithCustomerAssetNetCurrent


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-03-312017-12-31
Value431417443413445522514460459455345382366
Percentage of ContractWithCustomerAssetNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerAssetNetNoncurrent

us-gaap:ContractWithCustomerAssetNetNoncurrent


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value113112101103108106109
Percentage of ContractWithCustomerAssetNetNoncurrent100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiability

us-gaap:ContractWithCustomerLiability


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value786833831809777761799845789712444440471464463
Percentage of ContractWithCustomerLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiabilityNoncurrent

us-gaap:ContractWithCustomerLiabilityNoncurrent


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312017-12-31
Value667279676157771620
Percentage of ContractWithCustomerLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentInterestRateEffectivePercentage us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:DebtInstrumentInterestRateEffectivePercentage

us-gaap:RevolvingCreditFacility, wab:MultiCurrencyRevolvingLoanFacility, us-gaap:LineOfCredit


Debt
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value1.51.51.50.0160.027
Percentage of DebtInstrumentInterestRateEffectivePercentage100.0100.0100.0100.0100.0

us-gaap:RevolvingCreditFacility, wab:USDollarDenominatedTermLoans, us-gaap:LineOfCredit


Debt
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value2.32.22.30.020.030.031
Percentage of DebtInstrumentInterestRateEffectivePercentage153.30.0153.3125.0111.10.0

us-gaap:DebtInstrumentInterestRateEffectivePercentage us-gaap:DebtInstrument, us-gaap:LongtermDebtType

wab:A125PercentEuroNotesDueTwoThousandAndTwentySeven, us-gaap:SeniorNotes


Debt
Period End2021-06-30
Value1.3
Percentage of DebtInstrumentInterestRateEffectivePercentage86.7

wab:A3.45PercentSeniorNotesDueTwoThousandandTwentySix, us-gaap:SeniorNotes


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value3.53.53.53.50.0350.0350.035
Percentage of DebtInstrumentInterestRateEffectivePercentage233.3233.30.0233.3218.8129.60.0

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet

us-gaap:RevolvingCreditFacility, wab:MultiCurrencyRevolvingLoanFacility, us-gaap:LineOfCredit


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value0.40.40.81.11.40.80.9
Percentage of DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevolvingCreditFacility, wab:USDollarDenominatedTermLoans, us-gaap:LineOfCredit


Debt
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value0.50.91.31.71.01.11.2
Percentage of DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet125.0112.5118.2121.4125.0122.20.0

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet us-gaap:DebtInstrument

wab:A125PercentEuroNotesDueTwoThousandAndTwentySeven


Debt
Period End2021-06-30
Value8.6
Percentage of DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet2150.0

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet us-gaap:DebtInstrument, us-gaap:LongtermDebtType

wab:A3.45PercentSeniorNotesDueTwoThousandandTwentySix, us-gaap:SeniorNotes


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value1.11.21.31.31.41.41.51.51.6041.6611.718
Percentage of DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet275.0300.0162.5118.2100.0175.0166.70.00.00.00.0

wab:A32000PercentSeniorNotesDueTwoThousandAndTwentyFive, us-gaap:SeniorNotes


Debt
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value3.94.14.44.60.0
Percentage of DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet975.01025.0550.0418.20.0

wab:A4150PercentSeniorNotesDueTwoThousandAndTwentyFour, us-gaap:SeniorNotes


Debt
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value3.64.04.34.75.7
Percentage of DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet900.01000.0537.5427.3633.3

wab:A4375PercentSeniorNotesDueTwoThousandAndTwentyThree, us-gaap:SeniorNotes


Debt
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value0.50.60.70.70.9
Percentage of DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet125.0150.087.563.6100.0

wab:A470PercentSeniorNotesDueTwoThousandAndTwentySix, us-gaap:SeniorNotes


Debt
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value7.78.08.28.59.2
Percentage of DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet1925.02000.01025.0772.71022.2

wab:FloatingRateNotesDue2021, us-gaap:SeniorNotes


Debt
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.00.01.41.72.02.32.6042.9043.204
Percentage of DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet0.00.0100.0212.5222.20.00.00.00.0

us-gaap:DeferredFinanceCostsGross us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:DeferredFinanceCostsGross

wab:A125PercentSeniorNotesDueTwoThousandAndTwentySix, us-gaap:SeniorNotes


Deferred
Period End2021-06-03
Value4.3
Percentage of DeferredFinanceCostsGross100.0

us-gaap:DeferredFinanceCostsNet

us-gaap:DeferredFinanceCostsNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value2518202220202126
Percentage of DeferredFinanceCostsNet100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredIncomeTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value512341322325406203187
Percentage of DeferredIncomeTaxLiabilities100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsGross


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value4503461901711861491231081119664
Percentage of DeferredTaxAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsInventory

us-gaap:DeferredTaxAssetsInventory


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value45251619221813109.8419.5187.461
Percentage of DeferredTaxAssetsInventory100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value8295856559255.0365.774.7443.0113.022
Percentage of DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsPropertyPlantAndEquipment

us-gaap:DeferredTaxAssetsPropertyPlantAndEquipment


Deferred
Period End2020-12-31
Value47
Percentage of DeferredTaxAssetsPropertyPlantAndEquipment100.0

us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsOther

us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsOther


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value461820132.3170.0
Percentage of DeferredTaxAssetsTaxCreditCarryforwardsOther100.0100.0100.0100.0100.00.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value42328.994182524212114117.754
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsWarrantyReserves

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsWarrantyReserves


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value5146252024242116151311
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsWarrantyReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value4432352872883591671571401128770
Percentage of DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesLeasingArrangements

us-gaap:DeferredTaxLiabilitiesLeasingArrangements


Deferred
Period End2020-12-312019-12-31
Value6963
Percentage of DeferredTaxLiabilitiesLeasingArrangements100.0100.0

us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation

country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value4140384344
Percentage of DefinedBenefitPlanAccumulatedBenefitObligation100.0100.0100.0100.0100.0

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value371336301344312
Percentage of DefinedBenefitPlanAccumulatedBenefitObligation889.5835.8776.0795.2701.6

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

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax

country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value1918202023
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax100.0100.0100.0100.0100.0

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value9179605456
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax469.6423.9296.8264.8236.3

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax

country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value-19.4-18.8-20.268-20.418-23.884
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax100.0100.0100.0100.0100.0

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value-89.6-78.3-58.748-54.043-56.411
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax461.9416.5289.9264.7236.2

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value1.51.41.4190.0320.056
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanAmountsRecognizedInBalanceSheet us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAmountsRecognizedInBalanceSheet

country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value-6.9-6.9-7.503-6.781-9.71
Percentage of DefinedBenefitPlanAmountsRecognizedInBalanceSheet100.0100.0100.0100.0100.0

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value-80.1-77.5-69.767-71.415-78.268
Percentage of DefinedBenefitPlanAmountsRecognizedInBalanceSheet1160.91123.2929.91053.2806.1

us-gaap:DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value13118.91107.13
Percentage of DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent100.0100.0100.0100.0100.0

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

us-gaap:DefinedBenefitPlanBenefitObligation

country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value424139444546
Percentage of DefinedBenefitPlanBenefitObligation100.0100.0100.0100.0100.0100.0

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value384347309353319195
Percentage of DefinedBenefitPlanBenefitObligation897.0845.0783.4798.4702.1423.5

us-gaap:DefinedBenefitPlanExpectedAmortizationNextFiscalYear us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedAmortizationNextFiscalYear

country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value1100000.01000000.0829000.0973000.0
Percentage of DefinedBenefitPlanExpectedAmortizationNextFiscalYear100.0100.0100.0100.0

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value3600000.04400000.02565000.02215000.0
Percentage of DefinedBenefitPlanExpectedAmortizationNextFiscalYear327.3440.0309.4227.6

us-gaap:DefinedBenefitPlanExpectedAmortizationOfGainLossNextFiscalYear us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedAmortizationOfGainLossNextFiscalYear

country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value-1100000.0-1000000.0-826000.0-970000.0
Percentage of DefinedBenefitPlanExpectedAmortizationOfGainLossNextFiscalYear100.0100.0100.0100.0

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value-3500000.0-4300000.0-2512000.0-2193000.0
Percentage of DefinedBenefitPlanExpectedAmortizationOfGainLossNextFiscalYear318.2430.0304.1226.1

us-gaap:DefinedBenefitPlanExpectedAmortizationOfPriorServiceCostCreditNextFiscalYear us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedAmortizationOfPriorServiceCostCreditNextFiscalYear

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value100000.0100000.053000.022000.0
Percentage of DefinedBenefitPlanExpectedAmortizationOfPriorServiceCostCreditNextFiscalYear100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter

country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value12131314
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter100.0100.0100.0100.0

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value84937577
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter671.4718.5553.9545.1

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths

country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value3.03.23.2333.25
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths100.0100.0100.0100.0

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value13161112
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths456.7500.0357.4381.6

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive

country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value2.92.93.0773.125
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive100.0100.0100.0100.0

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value15171314
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive534.5617.2441.4465.2

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour

country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value2.93.03.0953.16
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour100.0100.0100.0100.0

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value15171313
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour531.0590.0431.4436.7

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree

country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value3.03.03.13.325
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree100.0100.0100.0100.0

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value14171213
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree493.3566.7402.9395.7

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo

country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value3.13.13.2423.301
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo100.0100.0100.0100.0

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value14161212
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo458.1532.3370.7375.7

us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-31
Value7300000.08800000.0
Percentage of DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear100.0100.0

us-gaap:DefinedBenefitPlanFairValueOfPlanAssets

us-gaap:DefinedBenefitPlanFairValueOfPlanAssets


Defined
Period End2020-12-312019-12-312018-12-31
Value340304271
Percentage of DefinedBenefitPlanFairValueOfPlanAssets100.0100.0100.0

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

us-gaap:DefinedBenefitPlanFundedStatusOfPlan

country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value-6900000.0-6800000.0-7503000.0-6781000.0-9710000.0
Percentage of DefinedBenefitPlanFundedStatusOfPlan100.0100.0100.0100.0100.0

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value-80100000.0-77500000.0-69767000.0-71415000.0-78268000.0
Percentage of DefinedBenefitPlanFundedStatusOfPlan1160.91139.7929.91053.2806.1

us-gaap:DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsPlanAssets us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsPlanAssets

country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value36343137
Percentage of DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsPlanAssets100.0100.0100.0100.0

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value223195172201
Percentage of DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsPlanAssets621.4568.8539.0537.3

us-gaap:DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsProjectedBenefitObligation us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsProjectedBenefitObligation

country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value42413944
Percentage of DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsProjectedBenefitObligation100.0100.0100.0100.0

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value317284251283
Percentage of DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsProjectedBenefitObligation739.9692.0635.9640.3

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

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation

country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value4140384344
Percentage of DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation100.0100.0100.0100.0100.0

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value303272243274249
Percentage of DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation727.0678.1627.8633.5560.8

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

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets

country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value3634313735
Percentage of DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets100.0100.0100.0100.0100.0

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value222193172200170
Percentage of DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets617.8565.3539.0534.9475.9

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

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation

country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value4241394445
Percentage of DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation100.0100.0100.0100.0100.0

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value316283251282255
Percentage of DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation736.6688.8635.9638.0561.8

us-gaap:DerivativeAssets us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeAssets

us-gaap:ForeignExchangeContract


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value8.1219.7209.81012
Percentage of DerivativeAssets100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeAssets us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:ForeignExchangeContract, us-gaap:FairValueInputsLevel2


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value8.1219.7209.81012
Percentage of DerivativeAssets100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeFairValueOfDerivativeAsset us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

us-gaap:DerivativeFairValueOfDerivativeAsset

us-gaap:OtherCurrentAssets, us-gaap:ForeignExchangeContract, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value8.0209.2207.96.4110.0
Percentage of DerivativeFairValueOfDerivativeAsset100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:OtherCurrentAssets, us-gaap:ForeignExchangeContract, us-gaap:Nondesignated


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value0.11.10.50.71.94.41.41.3
Percentage of DerivativeFairValueOfDerivativeAsset1.25.55.43.524.168.812.50.0

us-gaap:DerivativeFairValueOfDerivativeLiability us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

us-gaap:DerivativeFairValueOfDerivativeLiability

us-gaap:OtherCurrentLiabilities, us-gaap:CurrencySwap, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value8.43.126299.34.19.40.0
Percentage of DerivativeFairValueOfDerivativeLiability100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:OtherCurrentLiabilities, us-gaap:ForeignExchangeContract, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2020-12-312020-06-302020-03-312019-12-312018-12-31
Value3.90.09.39.82.3
Percentage of DerivativeFairValueOfDerivativeLiability15.00.0226.8104.30.0

us-gaap:OtherCurrentLiabilities, us-gaap:ForeignExchangeContract, us-gaap:Nondesignated


Derivative
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value1.53.10.00.00.00.0
Percentage of DerivativeFairValueOfDerivativeLiability5.810.40.00.00.00.0

us-gaap:DerivativeFairValueOfDerivativeNet us-gaap:HedgingDesignation

us-gaap:DerivativeFairValueOfDerivativeNet

us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value-0.417-20.7-9.7-1.4-7.0-8.0133.24.3-2.3-6.0-6.12.23.54.43.70.60.6
Percentage of DerivativeFairValueOfDerivativeNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Nondesignated


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value0.11.1-1.0-2.41.94.41.4-0.3-3.2-3.31.34.70.6-0.72.10.23.70.20.2
Percentage of DerivativeFairValueOfDerivativeNet-25.06.54.824.7-135.7-62.9-17.5-2.3-100.0-76.7-56.5-78.3-9.8-31.860.04.5100.033.333.3

us-gaap:DerivativeLiabilities us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeLiabilities

us-gaap:CurrencySwap


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value-8.4-3.126-29.79.34.19.4
Percentage of DerivativeLiabilities100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignExchangeContract


Derivative
Period End2020-12-312020-09-302020-06-302020-03-312019-12-31
Value5.4-3.10.09.39.8
Percentage of DerivativeLiabilities20.810.40.0226.8104.3

us-gaap:DerivativeLiabilities us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:CurrencySwap, us-gaap:FairValueInputsLevel2


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value-8.4-3.126-29.79.34.19.4
Percentage of DerivativeLiabilities100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignExchangeContract, us-gaap:FairValueInputsLevel2


Derivative
Period End2020-12-312020-09-302020-06-302020-03-312019-12-31
Value5.4-3.10.09.39.8
Percentage of DerivativeLiabilities20.810.40.0226.8104.3

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

us-gaap:DerivativeNotionalAmount

us-gaap:OtherCurrentAssets, us-gaap:ForeignExchangeContract, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value865155179319072000214524290.0
Percentage of DerivativeNotionalAmount100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:OtherCurrentAssets, us-gaap:ForeignExchangeContract, us-gaap:Nondesignated


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value3243241.35.9311292412834
Percentage of DerivativeNotionalAmount37.520.90.20.315.613.617.00.0

us-gaap:OtherCurrentLiabilities, us-gaap:CurrencySwap, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value5935886135815605575600.0
Percentage of DerivativeNotionalAmount68.537.977.330.528.026.023.10.0

us-gaap:OtherCurrentLiabilities, us-gaap:ForeignExchangeContract, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2020-12-312020-06-302020-03-312019-12-312018-12-31
Value9280.012001184863
Percentage of DerivativeNotionalAmount116.90.056.048.80.0

us-gaap:OtherCurrentLiabilities, us-gaap:ForeignExchangeContract, us-gaap:Nondesignated


Derivative
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value3192960.00.00.00.0
Percentage of DerivativeNotionalAmount40.315.50.00.00.00.0

us-gaap:DerivativeNotionalAmount us-gaap:HedgingDesignation

us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value14592139233424892561390341742530863
Percentage of DerivativeNotionalAmount168.5137.9294.2130.5128.0182.0171.90.00.0

us-gaap:Nondesignated


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value324324320301311292412472834
Percentage of DerivativeNotionalAmount37.520.940.415.815.613.617.00.00.0

us-gaap:EmployeeRelatedLiabilitiesCurrent

us-gaap:EmployeeRelatedLiabilitiesCurrent


Employee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value24326124224323125734328728727317316516317016415114614114554625969716662706456515751464553494438484339333930
Percentage of EmployeeRelatedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized


Employee
Period End2021-06-302021-03-312020-12-312020-09-30
Value54603140
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized100.0100.0100.0100.0

us-gaap:EquityMethodInvestments

us-gaap:EquityMethodInvestments


Equity
Period End2020-12-312019-12-312018-12-31
Value1009530
Percentage of EquityMethodInvestments100.0100.0100.0

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseLiability


Finance
Period End2021-06-302021-03-312020-12-312020-09-30
Value2100000.01200000.01200000.01200000.0
Percentage of FinanceLeaseLiability100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityPaymentsDue

us-gaap:FinanceLeaseLiabilityPaymentsDue


Finance
Period End2021-06-302021-03-312020-12-312020-09-30
Value2100000.01200000.01200000.01200000.0
Percentage of FinanceLeaseLiabilityPaymentsDue100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive


Finance
Period End2020-12-31
Value100000.0
Percentage of FinanceLeaseLiabilityPaymentsDueAfterYearFive100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths


Finance
Period End2021-06-302021-03-312020-12-312020-09-30
Value700000.0300000.0400000.0400000.0
Percentage of FinanceLeaseLiabilityPaymentsDueNextTwelveMonths100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive


Finance
Period End2020-12-31
Value100000.0
Percentage of FinanceLeaseLiabilityPaymentsDueYearFive100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour


Finance
Period End2021-06-302021-03-312020-12-312020-09-30
Value200000.0100000.0200000.0100000.0
Percentage of FinanceLeaseLiabilityPaymentsDueYearFour100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo


Finance
Period End2021-06-302021-03-312020-12-312020-09-30
Value500000.0200000.0200000.0200000.0
Percentage of FinanceLeaseLiabilityPaymentsDueYearTwo100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear

us-gaap:FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear


Finance
Period End2021-06-302021-03-312020-09-30
Value400000.0300000.0100000.0
Percentage of FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear100.0100.0100.0

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent


Finance
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value1.41.51.41.51.4
Percentage of FinanceLeaseWeightedAverageDiscountRatePercent100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

us-gaap:CustomerRelationships


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value30628727625423622221219518316815815114213712611710695878278757067635956535147444037343128252321191713
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OrderOrProductionBacklog


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value25923120517714911992872.0
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization84.680.774.569.963.153.643.244.91.3

wab:IntellectualPropertyPatentsAndOther


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-03-312018-12-31
Value2742482221981731471231005142
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization89.786.580.678.073.266.558.151.330.326.8

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths


Finite
Period End2021-06-302021-03-312020-12-312020-09-30
Value290289278277
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear


Finite
Period End2021-06-302021-03-312020-09-30
Value14521769
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive


Finite
Period End2020-12-31
Value265
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFive100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour


Finite
Period End2021-06-302021-03-312020-12-312020-09-30
Value277277267267
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFour100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree


Finite
Period End2021-06-302021-03-312020-12-312020-09-30
Value280279277276
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearThree100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo


Finite
Period End2021-06-302021-03-312020-12-312020-09-30
Value289289277277
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo100.0100.0100.0100.0

us-gaap:IncomeTaxExaminationInterestAccrued

us-gaap:IncomeTaxExaminationInterestAccrued


Income
Period End2020-12-312020-03-312019-12-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value4500000.04000000.04000000.01100000.01000000.0900000.0600000.0700000.0800000.0700000.0600000.01000000.0900000.0800000.01600000.02300000.02200000.02000000.02400000.02300000.02100000.01900000.01900000.01700000.01600000.01500000.02500000.02300000.02700000.02500000.02600000.02300000.03000000.02800000.03000000.02600000.03100000.0
Percentage of IncomeTaxExaminationInterestAccrued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IndefiniteLivedTradeNames

us-gaap:IndefiniteLivedTradeNames


Indefinite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value650623582603510167
Percentage of IndefiniteLivedTradeNames100.0100.0100.0100.0100.0100.0

us-gaap:IndefiniteLivedTrademarks

us-gaap:IndefiniteLivedTrademarks


Indefinite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value660659650627614614623614626624582599602629603583553525510178167168167167173167170173157156156144138138131126124115114108111103
Percentage of IndefiniteLivedTrademarks100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryFinishedGoodsNetOfReserves

us-gaap:InventoryFinishedGoodsNetOfReserves


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value635660633684660648612649660689224226221219196177182177181121126120127132146130134
Percentage of InventoryFinishedGoodsNetOfReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryRawMaterialsNetOfReserves

us-gaap:InventoryRawMaterialsNetOfReserves


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value710681669737724767786786786822465465454427378391378360331200197182180188202206222
Percentage of InventoryRawMaterialsNetOfReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryWorkInProcessNetOfReserves

us-gaap:InventoryWorkInProcessNetOfReserves


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value314329339357414370374521434435154173187182167196185166145174169175171196186178154
Percentage of InventoryWorkInProcessNetOfReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LandAndLandImprovements

us-gaap:LandAndLandImprovements


Land
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value977838384141231616
Percentage of LandAndLandImprovements100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value53515651
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear


Lessee
Period End2021-06-302021-03-312020-09-30
Value294214
Percentage of LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear100.0100.0100.0

us-gaap:LettersOfCreditOutstandingAmount

us-gaap:LettersOfCreditOutstandingAmount


Letters
Period End2020-12-312019-12-312018-12-312017-12-31
Value736714354364
Percentage of LettersOfCreditOutstandingAmount100.0100.0100.0100.0

us-gaap:LettersOfCreditOutstandingAmount us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:RevolvingCreditFacility, wab:TwoThousandandEighteenRefinancingAgreement, us-gaap:LineOfCredit


Letters
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value3.65.8191932
Percentage of LettersOfCreditOutstandingAmount0.00.02.60.00.0

us-gaap:LineOfCredit us-gaap:CreditFacility, us-gaap:DebtInstrument

us-gaap:LineOfCredit

us-gaap:RevolvingCreditFacility, wab:TwoThousandandEighteenRefinancingAgreement


Line
Period End2021-03-312020-06-30
Value1490.0
Percentage of LineOfCredit100.00.0

us-gaap:LineOfCredit us-gaap:DebtInstrument, us-gaap:LongtermDebtType

wab:TermLoan, us-gaap:LineOfCredit


Line
Period End2021-03-31
Value305
Percentage of LineOfCredit204.5

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity us-gaap:CreditFacility, us-gaap:DebtInstrument

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity

us-gaap:RevolvingCreditFacility, wab:TwoThousandandEighteenRefinancingAgreement


Line
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value11961044118011801167
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity100.0100.0100.0100.0100.0

us-gaap:LongTermDebtAndCapitalLeaseObligationsCurrent

us-gaap:LongTermDebtAndCapitalLeaseObligationsCurrent


Long
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value454697929511110432164472749474950871290.1340.1150.1010.4330.430.4780.5790.7920.9550.6810.3860.4210.043
Percentage of LongTermDebtAndCapitalLeaseObligationsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive


Long
Period End2020-12-31
Value1990
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths


Long
Period End2020-12-31
Value447
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive


Long
Period End2020-12-31
Value495
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour


Long
Period End2020-12-31
Value745
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree


Long
Period End2020-12-31
Value249
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo


Long
Period End2020-12-31
Value311
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo100.0

us-gaap:LongtermDebtWeightedAverageInterestRate

us-gaap:LongtermDebtWeightedAverageInterestRate


Longterm
Period End2021-03-312020-12-312020-09-30
Value1.52.32.3
Percentage of LongtermDebtWeightedAverageInterestRate100.0100.0100.0

us-gaap:NumberOfCountriesInWhichEntityOperates

us-gaap:NumberOfCountriesInWhichEntityOperates


Number
Period End2021-06-30
Value50.0
Percentage of NumberOfCountriesInWhichEntityOperates100.0

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value2.62.72.72.94.6
Percentage of OperatingLeaseWeightedAverageDiscountRatePercent100.0100.0100.0100.0100.0

us-gaap:OperatingLossCarryforwards

us-gaap:OperatingLossCarryforwards


Operating
Period End2020-12-31
Value312
Percentage of OperatingLossCarryforwards100.0

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Pension
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value2500000.02400000.02062000.02158000.02042000.0
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities100.0100.0100.0100.0100.0

us-gaap:PreproductionCostsRelatedToLongTermSupplyArrangementsCostsCapitalized

us-gaap:PreproductionCostsRelatedToLongTermSupplyArrangementsCostsCapitalized


Preproduction
Period End2020-12-312019-12-312018-12-31
Value878816
Percentage of PreproductionCostsRelatedToLongTermSupplyArrangementsCostsCapitalized100.0100.0100.0

us-gaap:ProductWarrantyAccrual

us-gaap:ProductWarrantyAccrual


Product
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-312012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-31
Value2812732782642582572672462562491531541531571531481441371389496959294968587707162606258535047475035363229
Percentage of ProductWarrantyAccrual100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProductWarrantyAccrualClassifiedCurrent

us-gaap:ProductWarrantyAccrualClassifiedCurrent


Product
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value24523524022321621622621522321713513613714013713413012312376777772727463685351444343444139383733292424222020
Percentage of ProductWarrantyAccrualClassifiedCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProductWarrantyAccrualNoncurrent

us-gaap:ProductWarrantyAccrualNoncurrent


Product
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2183002972942913032311818161615131313151718181922222119171918171817171818182021232327159.182
Percentage of ProductWarrantyAccrualNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProvisionForLossOnContracts

us-gaap:ProvisionForLossOnContracts


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-31
Value1221201081019610011811510381716681869493868160131613118.98.49.97.17.47.21014131213149.99.3
Percentage of ProvisionForLossOnContracts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueRemainingPerformanceObligation

us-gaap:RevenueRemainingPerformanceObligation


Revenue
Period End2021-06-302021-03-312020-12-312020-09-30
Value20800210002080020500
Percentage of RevenueRemainingPerformanceObligation100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-312008-12-31
Value77.4177.073.7573.8374.4674.1273.6473.4773.5373.9375.5175.6275.9478.7672.1871.1870.8570.965.8965.8265.6665.3347.9744.7444.5543.8435.2735.3435.3270.1253.3753.1752.4652.3144.0443.9443.8735.931.6535.12
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice


Share
Period End2021-06-302021-03-312020-12-312020-09-30
Value58.6357.8258.5254.51
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-312008-12-31
Value6.25.64.23.73.21.88.55.3215.1686.0274.298223830403653435251405242627375676267626148414034310.03357232301630251620
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1


Sharebased
Period End2021-06-302021-03-312020-12-312020-09-30
Value5300000.05200000.03900000.03700000.0
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1100.0100.0100.0100.0

us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1

us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1


Sharebased
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value58.5255.2550.632.5227.3223.7120.8318.7633.3428.94
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1 us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRange

wab:ExercisePriceRangeFive


Sharebased
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value88.6387.4586.963.7261.4855.4348.29
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1151.5158.3171.7195.9225.0233.8231.8

wab:ExercisePriceRangeFour


Sharebased
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value46.6359.3972.8535.2435.2535.2235.22
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice179.7107.5144.0108.4129.0148.5169.1

wab:ExercisePriceRangeOne


Sharebased
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value28.728.4127.8414.514.514.514.46
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice149.051.455.044.653.161.269.4

wab:ExercisePriceRangeThree


Sharebased
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value61.3361.3361.3328.7528.7428.7428.76
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1104.8111.0121.288.4105.2121.2138.1

wab:ExercisePriceRangeTwo


Sharebased
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value41.2441.3641.3618.7718.2918.218.2
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice170.574.981.757.766.976.887.4

us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1

us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1


Sharebased
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value69.8263.3661.0440.6235.3932.728.3324.3640.4834.74
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1 us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRange

wab:ExercisePriceRangeFive


Sharebased
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value90.2688.2788.2569.8666.1667.7258.59
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1129.3139.3144.6172.0186.9207.1206.8

wab:ExercisePriceRangeFour


Sharebased
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value74.1671.272.2135.2435.2535.2735.04
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1106.2112.4118.386.899.6107.9123.7

wab:ExercisePriceRangeOne


Sharebased
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value28.728.4127.8414.514.514.514.46
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance141.144.845.635.741.044.351.0

wab:ExercisePriceRangeThree


Sharebased
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value59.5661.3361.3328.7528.7428.7428.73
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance185.396.8100.570.881.287.9101.4

wab:ExercisePriceRangeTwo


Sharebased
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value41.2441.3641.3618.7718.2918.218.2
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance159.165.367.846.251.755.764.2

us-gaap:SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit

us-gaap:SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit


Significant
Period End2021-06-302021-03-312020-12-312020-09-30
Value7.5116.23.0
Percentage of SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit100.0100.0100.0100.0

us-gaap:TreasuryStockShares

us-gaap:TreasuryStockShares


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value3738383636363535353535353536363636363643424240353535363636353636361818181818181817181818
Percentage of TreasuryStockShares100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnbilledReceivablesCurrent us-gaap:Collateral

us-gaap:UnbilledReceivablesCurrent

us-gaap:CollateralPledged


Unbilled
Period End2020-12-31
Value19
Percentage of UnbilledReceivablesCurrent100.0

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate


Unrecognized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-03-312017-12-312017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-312011-09-302011-06-302010-12-31
Value141414111217171011108.43.36.94.44.24.24.24.34.34.34.35.55.55.55.54.74.55.04.74.13.84.83.73.91.62.12.41.73.1
Percentage of UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ValuationAllowancesAndReservesBalance us-gaap:ValuationAllowancesAndReservesType

us-gaap:ValuationAllowancesAndReservesBalance

us-gaap:AllowanceForCreditLoss


Valuation
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value361916127.345.614
Percentage of ValuationAllowancesAndReservesBalance100.0100.0100.0100.0100.0100.0

us-gaap:ValuationAllowanceTaxCreditCarryforward


Valuation
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312010-12-312009-12-312008-12-31
Value4158411821121.8183.3322.1412.4712.1210.138
Percentage of ValuationAllowancesAndReservesBalance114.2291.5246.8147.1291.8224.80.00.00.00.00.00.0

wab:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsIncludingGoodwill us-gaap:BusinessAcquisition

wab:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsIncludingGoodwill

wab:Nordco


Business
Period End2021-03-31
Value467
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsIncludingGoodwill100.0

wab:DeferredTaxAssetsRightOfUseAsset

wab:DeferredTaxAssetsRightOfUseAsset


Deferred
Period End2020-12-312019-12-31
Value7063
Percentage of DeferredTaxAssetsRightOfUseAsset100.0100.0

wab:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensionAndPostretirementBenefits

wab:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensionAndPostretirementBenefits


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value2628192125152617252319
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensionAndPostretirementBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wab:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedExpensesAndReserves

wab:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedExpensesAndReserves


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value3835131026393432383010
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedExpensesAndReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wab:FinanceLeaseLiabilityPaymentsDueAfterYearFour

wab:FinanceLeaseLiabilityPaymentsDueAfterYearFour


Finance
Period End2021-06-302021-03-312020-09-30
Value100000.0100000.0200000.0
Percentage of FinanceLeaseLiabilityPaymentsDueAfterYearFour100.0100.0100.0

wab:LesseeOperatingAndFinanceLeaseLiabilityPaymentsDue

wab:LesseeOperatingAndFinanceLeaseLiabilityPaymentsDue


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value329330325281
Percentage of LesseeOperatingAndFinanceLeaseLiabilityPaymentsDue100.0100.0100.0100.0

wab:LesseeOperatingAndFinanceLeaseLiabilityToBePaidYearOne

wab:LesseeOperatingAndFinanceLeaseLiabilityToBePaidYearOne


Lessee
Period End2021-06-302021-03-312020-09-30
Value545251
Percentage of LesseeOperatingAndFinanceLeaseLiabilityToBePaidYearOne100.0100.0100.0

wab:LesseeOperatingAndFinanceLeaseLiabilityTotalPaymentsDueAfterYearFive

wab:LesseeOperatingAndFinanceLeaseLiabilityTotalPaymentsDueAfterYearFive


Lessee
Period End2020-12-31
Value103