WCC


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

Table of contents


us-gaap:StatementClassOfStock
us-gaap:CommonStockValue
us-gaap:StatementClassOfStock
us-gaap:CommonStockSharesIssued

us-gaap:PreferredStockSharesIssued
us-gaap:StatementClassOfStock
us-gaap:StatementClassOfStock
us-gaap:CommonStockSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EarningsPerShareBasic

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

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:CostOfGoodsAndServicesSold
us-gaap:ProductOrService
us-gaap:LongtermDebtType, us-gaap:SubsequentEventType
us-gaap:GainsLossesOnExtinguishmentOfDebt

us-gaap:GrossProfit

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxesPaid

us-gaap:InterestIncomeExpenseNonoperatingNet

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NonoperatingIncomeExpense

us-gaap:OperatingIncomeLoss
us-gaap:BusinessAcquisition
us-gaap:StatementBusinessSegments
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:PreferredStockDividendsIncomeStatementImpact

us-gaap:ProfitLoss

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:StatementBusinessSegments
us-gaap:StatementGeographical

us-gaap:Revenues
us-gaap:BusinessAcquisition

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:Assets
us-gaap:StatementBusinessSegments

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:AccountsReceivableNetCurrent

us-gaap:InventoryNet

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:NoncurrentAssets
us-gaap:StatementGeographical
us-gaap:PropertyPlantAndEquipmentByType
us-gaap:PropertyPlantAndEquipmentGross

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AmortizationOfIntangibleAssets

us-gaap:PropertyPlantAndEquipmentNet
us-gaap:PropertyPlantAndEquipmentByType

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

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:IntangibleAssetsNetIncludingGoodwill

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OtherAssetsNoncurrent

us-gaap:AccountsPayableCurrent

us-gaap:DebtCurrent

us-gaap:LiabilitiesCurrent

us-gaap:LongTermDebtCurrent
us-gaap:BalanceSheetLocation
us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:OtherLiabilitiesCurrent
us-gaap:LongtermDebtType
us-gaap:LongTermDebt

us-gaap:LongTermDebtNoncurrent

us-gaap:DebtAndCapitalLeaseObligations

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent
us-gaap:RetirementPlanSponsorLocation

us-gaap:MinorityInterest

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:OperatingLeaseLiability

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementClassOfStock
us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:TreasuryStockValue

us-gaap:MinorityInterest

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInInventories

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss

us-gaap:ProfitLoss

us-gaap:ShareBasedCompensation
us-gaap:StatementScenario

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquireProductiveAssets

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:ProceedsFromIssuanceOfLongTermDebt

us-gaap:RepaymentsOfLongTermDebt

us-gaap:PaymentsForRepurchaseOfCommonStock

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

us-gaap:DeferredTaxAssetsNet

us-gaap:UnrecognizedTaxBenefits

us-gaap:DeferredTaxAssetsValuationAllowance
us-gaap:TaxCreditCarryforward

us-gaap:ProceedsFromRepaymentsOfShortTermDebt
us-gaap:StatementEquityComponents
us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisitionRevenueReportedByAcquiredEntityForLastAnnualPeriod
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisitionsProFormaNetIncomeLoss
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisitionsProFormaRevenue
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationAcquisitionRelatedCosts
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationConsiderationTransferred1
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable
us-gaap:BusinessAcquisition, us-gaap:EquityInterestIssuedOrIssuableByType
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentIntangibles
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentInventory

us-gaap:CapitalLeaseObligationsIncurred
us-gaap:BusinessAcquisition
us-gaap:CashAcquiredFromAcquisition
us-gaap:StatementScenario, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed

us-gaap:DefinedBenefitPlanActuarialGainLoss
us-gaap:RetirementPlanSponsorLocation

us-gaap:DefinedBenefitPlanContributionsByEmployer

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets
us-gaap:RetirementPlanSponsorLocation

us-gaap:DefinedBenefitPlanInterestCost
us-gaap:RetirementPlanSponsorLocation

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost
us-gaap:RetirementPlanSponsorLocation

us-gaap:DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1
us-gaap:RetirementPlanSponsorLocation

us-gaap:DefinedBenefitPlanServiceCost
us-gaap:RetirementPlanSponsorLocation
us-gaap:Range, us-gaap:RetirementPlanName
us-gaap:DefinedContributionPlanEmployerMatchingContributionPercent
us-gaap:RetirementPlanName
us-gaap:RetirementPlanName
us-gaap:DefinedContributionPlanEmployerMatchingContributionPercentOfMatch
us-gaap:RetirementPlanName
us-gaap:DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent

us-gaap:DepreciationAndAmortization

us-gaap:DividendsPreferredStock
us-gaap:StatementClassOfStock

us-gaap:EffectOfExchangeRateOnCashAndCashEquivalents

us-gaap:GainLossOnSaleOfBusiness
us-gaap:LongtermDebtType, us-gaap:SubsequentEventType
us-gaap:GainsLossesOnExtinguishmentOfDebtBeforeWriteOffOfDeferredDebtIssuanceCost

us-gaap:GoodwillAcquiredDuringPeriod
us-gaap:StatementBusinessSegments

us-gaap:GoodwillForeignCurrencyTranslationGainLoss
us-gaap:StatementBusinessSegments
us-gaap:BusinessAcquisition
us-gaap:GoodwillPurchaseAccountingAdjustments

us-gaap:IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance

us-gaap:IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost

us-gaap:IncreaseDecreaseInAccountsAndOtherReceivables

us-gaap:IncreaseDecreaseInEmployeeRelatedLiabilities

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:InterestPaid

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent
us-gaap:RetirementPlanType
us-gaap:OtherNonoperatingGainsLosses

us-gaap:OtherOperatingActivitiesCashFlowStatement

us-gaap:PaymentsForProceedsFromOtherInvestingActivities
us-gaap:BusinessAcquisition
us-gaap:PaymentsOfDebtExtinguishmentCosts

us-gaap:PaymentsOfDebtIssuanceCosts

us-gaap:PaymentsToAcquireBusinessesGross
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisition, us-gaap:EquityInterestIssuedOrIssuableByType
us-gaap:BusinessAcquisition
us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:PostemploymentBenefitsPeriodExpense
us-gaap:StatementClassOfStock
us-gaap:PreferredStockDividendRatePercentage

us-gaap:ProceedsFromDivestitureOfBusinesses
us-gaap:SubsequentEventType

us-gaap:ProceedsFromDivestitureOfBusinessesNetOfCashDivested

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities
us-gaap:IncomeStatementLocation
us-gaap:QuantifyingMisstatementInCurrentYearFinancialStatementsAmount

us-gaap:RepaymentsOfOtherLongTermDebt

us-gaap:RepaymentsOfSeniorDebt

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercised
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsForfeitures
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
us-gaap:StatementClassOfStock
us-gaap:SharesPaidForTaxWithholdingForShareBasedCompensation

us-gaap:StockGrantedDuringPeriodValueSharebasedCompensation
us-gaap:StatementClassOfStock
us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodValuePurchaseOfAssets
us-gaap:StatementClassOfStock
us-gaap:StockIssuedDuringPeriodValueStockOptionsExercisedNetOfTaxBenefitExpense
us-gaap:StatementEquityComponents
us-gaap:LongtermDebtType, us-gaap:SubsequentEventType
us-gaap:WriteOffOfDeferredDebtIssuanceCost
us-gaap:BusinessAcquisition
wcc:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentAccountsPayable
us-gaap:BusinessAcquisition
wcc:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentAccountsReceivable
us-gaap:BusinessAcquisition
wcc:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentDeferredIncomeTaxes
us-gaap:BusinessAcquisition
wcc:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentOperatingLeaseAssets
us-gaap:BusinessAcquisition
wcc:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentOperatingLeaseLiabilities
us-gaap:BusinessAcquisition
wcc:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentOtherNoncurrentLiabilities
us-gaap:BusinessAcquisition
wcc:PaymentToAcquireBusinessFairValueOfCashConsideration

dei:EntityCommonStockSharesOutstanding

us-gaap:AccountsAndOtherReceivablesNetCurrent

us-gaap:AccountsReceivableFromSecuritization

us-gaap:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax

us-gaap:AllowanceForDoubtfulAccountsReceivable

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AssetsHeldForSaleNotPartOfDisposalGroup

us-gaap:AssetsHeldInTrust
us-gaap:RetirementPlanName

us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperation
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisitionCostOfAcquiredEntityTransactionCosts
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisitionPreacquisitionContingencyAmountOfSettlement
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCapitalLeaseObligation
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
us-gaap:BusinessAcquisition, us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentAssets
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment

us-gaap:CapitalLeasedAssetsGross

us-gaap:CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation

us-gaap:CapitalizedComputerSoftwareNet

us-gaap:CommonStockCapitalSharesReservedForFutureIssuance

us-gaap:ContractWithCustomerRefundLiability

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

us-gaap:DebtInstrumentUnamortizedDiscount
us-gaap:LongtermDebtType

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet
us-gaap:ShortTermDebtType

us-gaap:DebtInstrumentUnamortizedPremium
us-gaap:LongtermDebtType
us-gaap:DebtWeightedAverageInterestRate

us-gaap:DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible
us-gaap:RetirementPlanName
us-gaap:DeferredCompensationLiabilityClassifiedNoncurrent
us-gaap:StatementBusinessSegments
us-gaap:RetirementPlanName
us-gaap:DeferredCompensationLiabilityCurrent
us-gaap:StatementBusinessSegments
us-gaap:RetirementPlanType
us-gaap:DeferredCompensationLiabilityCurrentAndNoncurrent
us-gaap:LongtermDebtType
us-gaap:DeferredFinanceCostsGross

us-gaap:DeferredFinanceCostsNet

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredRevenue

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsInventory

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards
us-gaap:IncomeTaxAuthority
us-gaap:IncomeTaxAuthority
us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsForeign

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsForeign
us-gaap:IncomeTaxAuthority

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxAssetsTaxDeferredExpenseOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets
us-gaap:BusinessAcquisition

us-gaap:DeferredTaxLiabilitiesLeasingArrangements

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DeferredTaxLiabilityNotRecognizedAmountOfUnrecognizedDeferredTaxLiabilityUndistributedEarningsOfForeignSubsidiaries
us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax

us-gaap:DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent
us-gaap:RetirementPlanSponsorLocation

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

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter
us-gaap:RetirementPlanSponsorLocation

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

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive
us-gaap:RetirementPlanSponsorLocation

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour
us-gaap:RetirementPlanSponsorLocation

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree
us-gaap:RetirementPlanSponsorLocation

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo
us-gaap:RetirementPlanSponsorLocation
us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear

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

us-gaap:DefinedBenefitPlanFundedStatusOfPlan
us-gaap:RetirementPlanSponsorLocation

us-gaap:DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsPlanAssets

us-gaap:DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsProjectedBenefitObligation

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets

us-gaap:DerivativeNotionalAmount

us-gaap:DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet

us-gaap:DisposalGroupIncludingDiscontinuedOperationAccountsPayable

us-gaap:DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedLiabilities

us-gaap:DisposalGroupIncludingDiscontinuedOperationGoodwill1

us-gaap:DisposalGroupIncludingDiscontinuedOperationGoodwillCurrent

us-gaap:DisposalGroupIncludingDiscontinuedOperationIntangibleAssets
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:DisposalGroupIncludingDiscontinuedOperationInventory1

us-gaap:DisposalGroupIncludingDiscontinuedOperationOtherCurrentLiabilities

us-gaap:DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssets

us-gaap:DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment

us-gaap:EmployeeRelatedLiabilitiesCurrent

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

us-gaap:FinanceLeaseLiability

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsGross
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:StatementBusinessSegments
us-gaap:GoodwillGross

us-gaap:IntangibleAssetsGrossExcludingGoodwill

us-gaap:InventoryValuationReserves

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LettersOfCreditOutstandingAmount

us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation
us-gaap:Range, us-gaap:LongtermDebtType
us-gaap:LineOfCreditFacilityCurrentBorrowingCapacity
us-gaap:CreditFacility, us-gaap:LongtermDebtType
us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity
us-gaap:LongtermDebtType
us-gaap:CreditFacility, us-gaap:LongtermDebtType
us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity
us-gaap:LongtermDebtType
us-gaap:LongtermDebtType
us-gaap:LongTermDebtFairValue

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

us-gaap:NontradeReceivables
us-gaap:BusinessAcquisition
us-gaap:NumberOfCountriesInWhichEntityOperates
us-gaap:IncomeTaxAuthority
us-gaap:OperatingLossCarryforwardsValuationAllowance
us-gaap:LongtermDebtType, us-gaap:OtherCommitments
us-gaap:OtherCommitment
us-gaap:OtherCommitments
us-gaap:AwardType
us-gaap:OtherDeferredCompensationArrangementsLiabilityClassifiedNoncurrent

us-gaap:OtherReceivablesNetCurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities
us-gaap:RetirementPlanSponsorLocation

us-gaap:SelfInsuranceReserve
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber
us-gaap:AwardType
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding
us-gaap:AwardType
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1
us-gaap:AwardType
us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1

us-gaap:StockRepurchaseProgramAuthorizedAmount1

us-gaap:TaxCreditCarryforwardAmount

us-gaap:TaxCreditCarryforwardValuationAllowance
us-gaap:IncomeTaxAuthority
us-gaap:TaxesPayableCurrentAndNoncurrent
us-gaap:ShareRepurchaseProgram
us-gaap:TreasuryStockCommonShares

us-gaap:TreasuryStockShares

us-gaap:UndistributedEarningsOfForeignSubsidiaries

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAccrued

us-gaap:UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
us-gaap:IncomeTaxAuthority
us-gaap:ValuationAllowancesAndReservesType
us-gaap:ValuationAllowancesAndReservesBalance
us-gaap:LongtermDebtType
wcc:AccountsReceivableEligibleForSecuritization

wcc:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPlanTax
us-gaap:BusinessAcquisition
wcc:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseAssets

wcc:DeferredTaxAssetsLeaseLiabilities

wcc:DisposalGroupIncludingDiscontinuedOperatingLeaseAssets

wcc:DisposalGroupIncludingDiscontinuedOperationOperatingLeaseLiabilities

wcc:LesseeOperatingLeaseLeaseNotYetCommencedPayments

wcc:OptionToExtendLesseesOperatingLeaseLeasePayments
us-gaap:LongtermDebtType
wcc:SeniorNotesTenderOfferConsiderationPer1000PrincipalAmount

Plots across concepts


IncomeStatement
Net Income Loss
Expenses
Other Nonoperating Income Expense
Balance Sheet
Cash And Cash Equivalents At Carrying Value
Assets
Cash And Cash Equivalents At Carrying Value
Current Assets
Prepaid Expense And Other Assets Current
NonCurrent Assets
Deferred Income Tax Assets Net
PropertyPlantAndEquipmentNet
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
Liabilities
Operating Lease Liability
Current Liabilities
Employee Related Liabilities Current
Noncurrent Liabilities
Minority Interest
Stockholders Equity
Accumulated Other Comprehensive Income Loss Net Of Tax
CashFlow
Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInFinancingActivities
Proceeds From Payments For Other Financing Activities
Shares
Treasury Stock Shares
DividendsAndRepurchase
Payments For Repurchase Of Common Stock
OperatingLeaseLiability
Operating Lease Liability Noncurrent
NonoperatingIncomeExpense
Nonoperating Income Expense
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Payments Due Year Four
FiniteLivedIntangibleAssets
Finite Lived Intangible Assets Accumulated Amortization
AccountsReceivable
Allowance For Doubtful Accounts Receivable Current

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 us-gaap:CommonStockValue us-gaap:StatementClassOfStock us-gaap:CommonStock█████▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁0.680.6780.6760.6760.6760.5940.5930.5930.5930.5930.5920.5920.5910.5910.5910.590.590.590.5880.5880.5860.5860.5860.5860.5860.5850.5840.5840.5840.5830.5810.580.5790.580.5790.5750.5740.5720.571NANANA0.566NANANA
 us-gaap:CommonStockSharesIssued us-gaap:StatementClassOfStock us-gaap:CommonStock█████▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁67.91996267.72686767.59651567.56262167.56219959.38195859.30801859.29449759.29270459.27189259.15769659.1528159.14456959.11770259.04576259.03603759.03385959.02910758.81778158.78175858.6423758.63261558.5973858.58734958.58609558.4809958.40073658.38869658.37319458.32207458.10730458.02442457.91158957.88858757.82454857.4202657.31463157.16789257.021523NANANA56.57625NANANA
us-gaap:PreferredStockSharesIssued NANA0.021612NANA0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0NANANA
 us-gaap:PreferredStockSharesIssued us-gaap:StatementClassOfStock us-gaap:SeriesAPreferredStock█████▁▁0.0216120.0216120.0216120.0216120.0216120.00.0NA0.00.00.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CommonStockSharesOutstanding us-gaap:StatementClassOfStock us-gaap:CommonStock█████▁▁▁▂▄▄▅▅▅▅▅▆▇▇▇▁▁▁▁▂▃▃▃▃▃▃▃▃▃▃▃▃▂▂50.29840450.18000750.06498550.04275150.04243641.87305341.79709341.78399542.47779244.85482545.10608546.75347547.09903147.07595947.0095446.99965247.97238348.77397248.61149748.58794242.24223742.23370642.1737942.1641743.58024344.26966344.48998944.4806644.47080144.43210944.2674644.19611144.12063844.07291344.06145143.71757343.63071443.52973243.424031NANANA43.009941NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding █▁51.99451.708NA50.48742.77542.075NA42.37843.81645.491NA47.48647.5547.608NA47.80448.77649.401NA48.7448.62746.813NA49.71851.90252.196NA53.24353.47653.373NA52.54652.31952.41NA50.77351.07851.285327NA48.47097550.32163450.432765NA45.52444146.042107NA
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic █▁50.24350.124NA50.04342.68341.837NA42.143.49345.076NA47.0147.08547.038NA47.41548.29448.707NA43.37842.23842.21NA43.19143.99744.406NA44.47544.44944.348NA44.1844.11544.085NA43.70543.60543.476818NA43.28928143.18994643.060351NA42.49118642.47763NA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomainNA0.3NA2.03.02.3NANANA1.8NA1.7NA1.5NA1.51.31.3NANA1.52.3NA1.6NA0.9NANANANANANANANANANANANANANANANANANANANA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities us-gaap:StockAppreciationRightsSARS0.1NANANA3.0NANANANANANANANANANANANANANANANANANA1.6NA0.9NA0.30.50.5NA0.30.50.5NA1.01.01.0NANANA1.2NANANANA
us-gaap:EarningsPerShareBasic █▅▃▆▁▅▆▇▆▅▆▆▆▅▄▆▅▅▅▁▆▅▆▇▆▆▇▇▇▆▆▇▇█▄▆▆▆▆▆▆▅▅▅▅▄2.090.890.111.32-0.840.821.271.531.460.941.271.421.230.940.481.131.030.770.97-0.731.180.851.151.471.181.061.671.821.551.171.311.571.481.910.61.451.351.221.271.241.160.870.820.790.650.45
us-gaap:EarningsPerShareDiluted █▅▃▆▁▅▆▇▇▅▆▇▆▅▄▆▆▅▅▁▆▅▆▆▆▅▆▇▆▅▆▆▆▇▄▆▆▆▆▆▆▅▅▅▅▄2.020.870.111.31-0.840.821.261.521.450.931.261.411.220.930.471.121.020.760.96-0.731.020.771.031.281.00.91.41.521.290.971.091.321.251.60.521.251.151.031.121.111.00.740.720.740.60.44
  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
 Operating Margin us-gaap:BusinessAcquisition wcc:AnixterInternational█▁2500.02100.0NA2200.0221.9NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:StatementBusinessSegments wcc:CSS█▇▇█▂▁▁▁1461.121250.6151369.2971388.791341.47223.726228.409235.92NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:StatementBusinessSegments wcc:EES█▆▆▆▁▂▃▃1923.0111720.8131668.2621653.7261043.2941114.4571234.1181250.08NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:StatementBusinessSegments wcc:UBS█▆▇▇▂▁▁▁1211.6591070.0491091.2821099.284701.942630.464636.925662.11NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  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 _ _█▅▄▇▁▃▃▄▄▃▄▄▄▃▃▄▃▃▃▄▄▃▄▄▄▃▅▅▄▄▄▅▄▅▂▄▄▃▄▄▃▃▃218.872133.25192.763178.09515.2760.91383.80893.73397.9570.72690.49997.51791.18373.24181.44689.2583.10567.08982.00992.55587.98769.50889.956106.34890.25387.185124.177133.248115.83392.959110.554123.646109.891136.90750.356103.03296.05183.53291.48691.75284.99664.74560.042NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 us-gaap:AllocatedShareBasedCompensationExpense us-gaap:AwardType us-gaap:PhantomShareUnitsPSUs▁▇█▂▁0.65.76.91.40.9NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ComprehensiveIncomeNetOfTax █▆█▇▄▁▆▅▆▆▃▇▄▄▄▇▆▅▄▂▅█▄▂▆▁▄▄▇▄▄▇▄▆▄▆▅▆▆▄▅▅▅▅▄126.06261.667119.957107.5956.952-59.44467.85547.63983.70864.886-0.68387.33529.22515.6215.574104.82382.89149.54916.639-45.60448.033118.30710.785-31.87477.283-66.78316.30517.022111.8255.40525.70693.78120.93560.5083.274.06753.32962.16858.95827.47951.94945.29140.74439.56220.215NA
us-gaap:CostOfGoodsAndServicesSold █▇▇▇▃▃▃▃▃▃▃▃▃▃▃▃▃▂▂▂▃▂▂▃▃▂▃▃▃▂▃▃▂▂▂▂▂▂▂▂▂▂▁▁▁▁3630.6333230.4413356.893356.2591692.9311592.2491709.6581747.9131741.1141578.7711621.1171670.0371704.11613.9661613.4691614.8141543.511422.5731444.7351490.1731532.1131420.7931497.991543.1131535.0841448.6391593.3281655.7871593.4371436.0321503.9011535.6091501.4031426.9791307.0931317.4321337.0621286.2681261.4831264.7451217.6661145.2551061.3041066.7691016.169921.183
 us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:LongtermDebtType,us-gaap:SubsequentEventType wcc:A5375SeniorNotesDue2024,us-gaap:SubsequentEventNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:GrossProfit NANA771.951785.542393.775376.398389.794400.197408.974382.496NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest █▅▃▆▁▄▅▆▆▅▅▆▅▅▅▅▅▅▅▁▅▅▆▆▅▅▆▇▆▅▅▆▆▇▄▆▆▅▆▅▅▅▄▄▄▄152.08465.68519.384104.332-45.31344.44167.58780.22580.64353.60673.65880.46773.44253.45863.84471.93966.28950.36864.507-52.1768.53550.67980.04885.93171.6466.291103.936112.4595.49672.27176.721100.02788.122114.98132.11790.37884.57474.5779.53476.67371.06552.10444.15847.49838.73327.252
us-gaap:IncomeTaxExpenseBenefit ▇▄▃▆▂▅▅▅▅▅▅▅▅▅█▅▅▅▅▁▅▅▇▆▆▆▇▇▆▆▅▇▆▇▄▆▆▆▆▆▆▅▄▅▅▄32.86.531-0.90424.294-10.85410.26614.89315.88617.42811.65615.59313.82215.76910.48741.62318.36316.75412.56816.753-21.14918.68316.14531.4923.54721.00119.49829.95931.63226.70920.41618.76630.90922.77130.8875.62126.98725.64221.6324.69622.78320.85814.7999.33413.83710.948.052
us-gaap:IncomeTaxesPaid █▂▃█▁▂▃▅▇▂▃▄▇▂▄▅▇▁34.7976.08611.19235.13.6496.24510.48718.71530.3115.01813.23914.95228.2875.50514.20820.24528.6222.042NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:InterestIncomeExpenseNonoperatingNet █▁-67.59-70.373NANA-61.27-16.592NANANANANANANANA-17.603-17.311-16.816-16.721-17.502-20.792-19.452-18.829-9.908-20.417-18.613-20.894-20.241-20.798-20.337-20.688-20.608-21.304-21.769-21.926-14.669-12.654-11.477-8.962-11.952-15.079-13.931-12.641NANANANA
us-gaap:NetIncomeLoss █▅▃▆▁▄▅▆▅▅▅▆▅▅▄▅▅▄▅▁▅▄▅▅▅▅▆▆▆▅▅▆▆▆▄▅▅▅▅▅▅▄▄▄▄▃119.19559.17819.98280.678-34.50634.40753.09864.49563.46442.36958.13366.84957.9444.42122.54653.67549.5137.72947.348-31.61149.79836.05348.41263.50351.74147.03174.38380.81668.80251.90557.99469.16265.28583.98926.5163.41558.87452.97854.84953.8950.20737.30534.82333.66127.79319.2
us-gaap:NetIncomeLossAttributableToNoncontrollingInterest ▆▆▇▄▆▅▅▆▅▅▆▅▅▁▅▆▆▆▇█▆▁▇▂▂▅▅▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆0.089-0.0240.304-0.640.047-0.232-0.404-0.156-0.249-0.419-0.067-0.204-0.267-1.45-0.324-0.0990.0250.0710.4080.590.054-1.5190.146-1.119-1.102-0.238-0.4050.002-0.015-0.05-0.038-0.0440.0660.105-0.014-0.0240.058-0.038-0.0110.00.00.0NANANANA
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic █▅▃▆▁▄▅▆▆▅104.84344.8265.63266.167-35.78234.40753.09864.49563.46442.369NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NonoperatingIncomeExpense NANANA-74.54-60.583-16.472NA-13.508-17.307-17.12NA-17.05-17.741-19.783NA-16.835-16.369-16.266NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OperatingIncomeLoss █▅▄▇▁▃▃▄▄▃▄▄▄▃▃▄▃▃▃▄▄▃▄▄▄▃▅▅▄▄▄▅▄▅▂▄▄▃▄▄▃▃▃▃▂▂218.872133.25192.763178.09515.2760.91383.80893.73397.9570.72690.49997.51791.18373.24181.44689.2583.10567.08982.00992.55587.98769.50889.956106.34890.25387.185124.177133.248115.83392.959110.554123.646109.891136.90750.356103.03296.05183.53291.48691.75284.99664.74560.04261.24651.35538.276
 us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax us-gaap:StatementEquityComponents us-gaap:AccumulatedOtherComprehensiveIncome█▁21.21916.841NA41.42842.734-93.851NA-16.85620.24422.517NA20.486-28.715-28.8NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherNonoperatingIncomeExpense ▅▁█▃▅▄▇▃0.802-2.8073.858-0.7770.687-0.122.913-0.798NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PreferredStockDividendsIncomeStatementImpact ████▁14.35214.35214.35214.5111.276NANANA0.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ProfitLoss █▅▃▆▁▄▅▅▅▄▅▆▅▅▄▅▅▄▅▁▅▄▅▅▅▅▆▆▆▅▅▆▆▆▄▅▅▅▅▅▅▄▄▄▄▃119.28459.15420.28880.038-34.45934.17552.69464.33963.21541.9558.06666.64557.67342.97122.22253.57649.53537.847.755-31.02149.85234.53448.55762.38450.63946.79373.97780.81868.78751.85557.95569.11865.35184.09426.49663.39158.93252.9454.83853.8950.20737.30534.82333.66127.79319.2
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax █▇▇▇▃▃▃▃▃▃▃▃▃▃▃▃▃▂▂▂▃▂▂▃▃▂▃▃▃▂▂▃▃▂▂▂▂▂▂▂▂▂▁▁▁▁4595.794041.4774128.8414141.8012086.7061968.6472099.4522148.112150.0881961.2672011.4472067.2452103.9941993.9151996.6472000.1591909.6241772.5911793.2621855.2121911.5821775.9611861.541923.8991916.7181816.331995.4862078.152005.1651810.8251880.071931.261893.9531808.0591644.3631656.1861672.7341606.0181589.5221580.3761524.5151431.3051331.5871324.5551259.1211148.599
us-gaap:Revenues █▇▇▇▃▃▃▃▃▃▃▃▃▃▃▃▃▂▂▂▃▂▂▃▃▂▃▃▃▂▂▃▃▂▂▂▂▂▂▂▂▂▁▁▁▁4595.794041.4774128.8414141.8012086.7061968.6472099.4522148.112150.0881961.2672011.4472067.2452103.9941993.9151996.6472000.1591909.6241772.5911793.2621855.2121911.5821775.9611861.541923.8991916.7181816.331995.4862078.152005.1651810.8251880.071931.261893.9531808.0591644.3631656.1861672.7341606.0181589.5221580.3761524.5151431.3051331.5871324.5551259.1211148.599
us-gaap:SellingGeneralAndAdministrativeExpense █▇▇▆▃▃▂▂▃▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁699.581636.576637.914561.971359.75299.392289.915290.852295.842296.528284.154284.073292.888290.829285.473280.021267.288266.964249.93255.547274.523269.286256.971258.151275.242264.585260.939271.697278.709265.462248.646255.202265.506227.456275.884225.812231.179228.139227.807216.205214.212213.759203.991190.577185.977183.039
  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 █████▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▃▃▂▂▂▂▂▂▁▁▁▁▁▁▁▁12299.07911878.2711880.21411868.33911732.0145230.9565017.6355047.4115067.9364984.6384605.0364778.7914714.9864713.3134735.4684764.4684623.6714511.2494490.9844609.3534692.6764690.8284587.4254642.5094726.3674612.384754.4374905.4684929.1324711.0694617.1084679.4714635.6944669.2444629.6293419.9943186.6873147.2013078.4523067.4243025.9572952.5152826.774NANANA
us-gaap:Liabilities █████▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁8774.0788478.5678543.8258655.1158631.6133028.832758.9642860.7012933.1132788.2762475.312546.9542549.2312580.3992619.3252657.2352528.5652453.7662480.9722616.722750.1022797.3462813.5542882.6612860.4242775.0622826.2722996.8233039.632937.512852.3172941.1462993.0473051.8743075.9381875.4641718.2211736.0221732.5421783.9171772.651753.2911678.18NANANA
us-gaap:LiabilitiesAndStockholdersEquity █████▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▃▃▂▂▂▂▂▂▁▁▁▁▁▁▁▁12299.07911878.2711880.21411868.33911732.0145230.9565017.6355047.4115067.9364984.6384605.0364778.7914714.9864713.3134735.4684764.4684623.6714511.2494490.9844609.3534692.6764690.8284587.4254642.5094726.3674612.384754.4374905.4684929.1324711.0694617.1084679.4714635.6944669.2444629.6293419.9943186.6873147.2013078.4523067.4243025.9572952.5152826.774NANANA
us-gaap:StockholdersEquity ██▇▇▇▄▄▄▄▄▄▄▄▄▄▄▄▄▄▃▃▃▃▃▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▁▁▁▁3532.2693407.063343.7223220.8613107.3982209.172265.4832193.1182141.0752202.3652135.312237.3532171.0672137.962119.7392110.5042098.2792060.682013.2811996.3111946.841897.8041776.6721762.7951867.7711838.0431928.1651908.7271889.5861773.6271764.7911738.3051642.5831617.371553.6911544.531468.4661411.1791345.911283.5071253.3071199.2241148.594NANANA
  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 █▇▇▇▇▃▃▃▃▃▂▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁5995.7475575.145506.9785597.455438.3862777.4782540.4112578.482584.8642513.752385.642506.4992446.942418.6712408.8492410.1272305.5452203.362172.4572243.8272306.6372274.4422257.5342366.092368.052313.4612350.3382450.0372408.5412259.8992198.5412218.672194.6562176.6942101.8371905.9251836.1511794.4061737.421761.8881704.7591633.7351513.686NANANA
us-gaap:CashAndCashEquivalentsAtCarryingValue ▅▅█▆▅▆▃▃▂▂▂▃▂▂▂▂▂▂▂▂▃▃▃▂▃▃▂▂▂▂▂▂▂▂▂▂▁▁▁▂▁▁▁▂▂▂287.891303.887449.135352.249265.222342.56150.902138.1687.218106.196.343142.76110.94123.897117.95394.08387.799103.0110.131112.837160.29147.834160.279132.852174.307154.351128.319110.368101.64396.356123.72598.575104.512116.79186.099107.63772.19863.64163.86994.04978.61552.43253.577103.1295.804121.074
us-gaap:AccountsReceivableNetCurrent █▇▇▇▇▂▂▃▃▃▂▃▃▂▂▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁2842.1872574.8032466.9032492.2482454.2621214.3311187.3591315.0261355.5411268.5651166.6071265.881257.331205.0461170.081236.6121144.9781060.5741034.4021102.141117.9831091.5041075.2571149.7431124.8931082.1991117.421218.7591186.0621105.2971045.0541116.0071101.7531094.2781036.2351020.4541013.991006.398939.422950.435920.785885.361792.681NANANA
us-gaap:InventoryNet █▇▇██▂▃▂▃▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁2436.5222290.4532163.8312357.6342368.827950.5211011.674961.9971004.1271001.353948.726926.768935.231949.511956.148925.049866.301850.118821.441832.51831.053844.106810.067844.955847.045814.363819.502846.166850.179811.095787.324795.917808.747792.404793.974662.764651.824634.659626.967631.421634.148631.084588.848NANANA
us-gaap:PrepaidExpenseAndOtherAssetsCurrent ▇▇█▇▇█▃▃▃▃▂▄▃▃▂▃▆▅▂▅▆▆▂▇▇▆▂▅▅▆▂▃▂▁▂▁▁▁▁▁▁162.312171.099187.91166.044157.276192.37576.07680.9472.28462.40652.10790.41581.07868.88940.18971.795137.146122.43848.583127.839141.957131.90648.42167.287160.985138.65254.274107.989108.768140.19149.27859.98139.11430.29244.72826.10924.03122.6823.29727.26327.737NA20.165NANANA
  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:NoncurrentAssets NANA933.862NANANA417.282NANANA160.878NANANA156.445NANANANANANANANANANANANANANANANANANANA251.894NANANA157.941NANANA131.18NANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical country:CANANA146.62NANANA95.642NANANA50.877NANANA56.591NANANANANANANANANANANANANANANANANANANA100.366NANANA24.609NANANA12.446NANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical country:USNANA693.807NANANA315.288NANANA106.078NANANA95.851NANANANANANANANANANANANANANANANANANANA144.947NANANA131.989NANANA117.768NANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical wcc:OtherInternationalNANA93.435NANANA6.352NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:BuildingAndBuildingImprovementsNANA169.873NANANA110.056NANANA111.51NANANA117.894NANANA117.461NANANA118.52NANANA126.465NANANANANANANANANANANANANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:ConstructionInProgressNANA12.998NANANA25.753NANANA15.029NANANA3.549NANANA3.396NANANA2.597NANANA1.048NANANA3.193NANANA10.993NANANA9.238NANANA2.02NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:FurnitureAndFixturesNANA266.317NANANA162.029NANANA186.523NANANA183.801NANANA178.183NANANA176.247NANANA176.302NANANANANANANANANANANANANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:LandNANA26.409NANANA24.106NANANA23.996NANANA25.814NANANA24.653NANANA26.121NANANA30.818NANANA34.714NANANA38.431NANANA21.097NANANA21.169NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:SoftwareAndSoftwareDevelopmentCostsNANA235.666NANANA127.919NANANA115.631NANANA103.842NANANA93.04NANANA86.259NANANA77.288NANANANANANANANANANANANANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType wcc:DepreciableNANA671.856NANANA400.004NANANA413.664NANANA405.537NANANA388.684NANANA381.026NANANA380.055NANANA374.505NANANANANANANANANANANANANANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment ██▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▆▆▆▆▆▆▆▆▆▆▆▆▆▅▅▅▅▅▁▁339.295323.819312.106294.638278.916269.582268.415289.882293.076290.883291.811289.273285.632281.818278.455274.643268.723264.499259.126255.68252.234249.09243.005239.604237.656232.412229.196229.041225.715218.743213.758211.193208.388207.166199.1150.1950.19NA190.385NANANA215.768NANANA
us-gaap:AmortizationOfIntangibleAssets █▆▆█▂▁▁▁▁27.121.620.627.310.18.59.88.68.5NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PropertyPlantAndEquipmentNet █████▃▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▃▂▃▃▃▃▃▃▃▃▃▂▁▁▁▁▁▁▁384.232391.24399.157400.222403.072183.997181.448174.459172.359166.688160.878157.129157.492156.364156.445157.591155.203156.588157.607160.915163.857167.539166.739171.789180.049173.878182.725191.393199.951195.263198.654201.905198.93207.166210.723140.998137.199134.455133.55129.482126.288120.023118.045NANANA
us-gaap:Goodwill █████▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▄▃▃▃▃▃▃▁▁▁▁▁▁▁▁3223.5113199.4943187.1693118.8183107.2561717.9631759.041746.0711752.81740.7711722.6031755.2921744.6941755.6791771.8771776.9181741.541725.5471720.7141735.6621740.1561762.6931681.6621666.2181713.1181675.5811735.441759.8331790.8531752.1121734.3911762.3311741.4071762.9141777.7971127.0011021.1061022.7261008.127987.358992.637991.838985.714NANANA
 us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass us-gaap:Trademarks▁███▇795.926834.426833.793832.525831.496NA98.699NANANA96.26NANANA100.249NANANA96.962NANANA91.945NANANA104.532NANANA101.867NANANA105.08NANANANANANANANANANANA
us-gaap:IntangibleAssetsNetExcludingGoodwill █████▁▁▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁2020.5382045.9922065.4952078.4682095.48267.628287.275293.493304.392310.453316.016334.026340.579353.298367.104378.153380.426385.304393.362407.401420.147421.716403.649388.988415.327398.673429.84452.14475.708449.18439.167457.621461.552481.75496.761204.572150.964154.13156.874150.018153.452156.886160.307NANANA
us-gaap:FiniteLivedIntangibleAssetsNet ▁▃▅▆█2020.5382045.9922065.4952078.4682095.48NA287.275NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IntangibleAssetsNetIncludingGoodwill NANA4000.0NANA1800.01900.0NANANA1800.0NANANA1872.1NANANA1827.9NANANA1773.6NANANA1840.0NANANANANANANANANANANANANANANANANANANA
us-gaap:OperatingLeaseRightOfUseAsset █████▄▄▄▄▄▁510.513519.311534.705540.142549.762271.602235.834237.252233.403232.9890.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAssetsNoncurrent █▇▅▇▇▁▁▂▂▂▁▂▂▂▁▃▃▃▂▄▄▄▃▃▃▃▂▃▃▃▃▃▃▃▃▂▂▂▂▁▁▁▁164.538147.09393.941133.239138.05812.2882.37917.65620.11819.9873.52525.84525.28129.3016.9941.67940.95740.4531.04161.54861.87964.43859.6249.42449.82350.78733.6852.06554.07954.61544.62238.94439.14940.7241.16923.57223.24224.07224.39113.44812.01812.65313.135NANANA
  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 █▇▆▆▆▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁2192.7821955.3651707.3291830.8771660.094804.33830.478849.584868.605870.242794.348813.395818.179805.38799.52838.427768.997712.385684.721699.517712.898734.911715.519787.637770.605771.881765.135842.779794.505781.819735.097754.013754.128745.011706.58693.177707.085699.296642.777646.595624.233650.383537.505NANANA
us-gaap:DebtCurrent ▆▁█▁▁366.96520.802528.8328.84427.696NA26.685NANANA56.214NANANA35.299NANANA22.138NANANA44.339NANANA49.13NANANA40.061NANANA39.759NANANA6.411NANANANANANANA
us-gaap:LiabilitiesCurrent █▆▇▆▅▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁3301.9562726.0112986.9952540.9352301.7261040.5051084.0591104.5241124.8321150.7221061.9461051.5281025.9091021.6011040.9691043.493964.406920.069896.797959.982970.947983.302947.8011016.7771011.7111039.1121063.8721126.6811114.3671086.1721044.5891036.8111041.0141038.7271007.995910.036894.505878.171845.846822.741776.616806.755708.233NANANA
us-gaap:LongTermDebtCurrent ▆▁█▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁366.96520.802528.8328.84427.6960.3790.430.3380.3961.15925.4291.1791.1881.211.2241.2131.2211.2441.2181.221.2391.2381.0252.1442.2322.2312.3432.3932.4562.4582.519.5819.6029.79.6232.1372.0372.4826.4115.2064.7754.8363.988NANANA
 us-gaap:OperatingLeaseLiabilityCurrent us-gaap:BalanceSheetLocation us-gaap:OtherCurrentLiabilitiesNANA128.322NANANA62.046NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAccruedLiabilitiesCurrent NANANA534.544494.211168.808159.367160.062152.712169.619105.461102.48988.36698.83695.8287.143102.851117.755111.304138.712123.184115.354102.515136.841151.068175.389181.672NANANANANANANANANANANANANANANANANANANA
us-gaap:OtherLiabilitiesCurrent ▁█▄522.16592.346552.301NANANA159.367NANANA105.461NANANA86.108NANANA78.425NANANA73.303NANA217.568145.624174.611221.383219.432174.99178.412192.391189.526134.62271.0973.79266.36472.25461.76665.21967.24767.626NANANA
  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 us-gaap:LongtermDebtType us-gaap:ForeignLineOfCredit▁▂███17.96720.29329.57529.78728.994NA26.255NANANA30.785NANANA34.075NANANA20.92NANANA43.314NANANA46.787NANANANANANANANANANANANANANANANANANANA
 us-gaap:LongTermDebt us-gaap:LongtermDebtType us-gaap:RevolvingCreditFacility▂█▁▃▇295.0475.0250.0325.0450.0NA0.0NANANA51.598NANANA12.0NANANA4.0NANANA75.0NANANA8.0NANANA22.558NANANA218.295NANANANANANANANANANANA
 us-gaap:LongTermDebt us-gaap:LongtermDebtType us-gaap:SeniorNotes▁▁███3230.43230.33730.13730.03729.9NA500.0NANANA500.0NANANA500.0NANANA500.0NANANA500.0NANANA500.0NANANANANANANANANANANANANANANANANANANA
 us-gaap:LongTermDebt us-gaap:LongtermDebtType wcc:A550SeniorNotesDue2023██▁██58.63658.63658.658.63658.636NA0.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:LongTermDebt us-gaap:LongtermDebtType wcc:A600SeniorNotesDue2025▁▁█▁▁4.1734.1734.24.1734.173NA0.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:LongTermDebt us-gaap:LongtermDebtType wcc:A7125SeniorNotesDue2025▄▄▄▄▄1500.01500.01500.01500.01500.0NA0.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:LongTermDebt us-gaap:LongtermDebtType wcc:A7250SeniorNotesDue2028█▆▄▃▁1316.291315.9791315.6681315.3571315.046NA0.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:LongTermDebt us-gaap:LongtermDebtType wcc:AccountsReceivableSecuritizationFacility█▂▂▁▃1180.0945.0950.0890.0960.0NA415.0NANANA275.0NANANA380.0NANANA380.0NANANA525.0NANANA430.0NANANA453.6NANANA445.0NANANA250.0NANANA370.0NANANA
 us-gaap:LongTermDebt us-gaap:LongtermDebtType wcc:SeniorNotesDue2023NANA58.636NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:LongTermDebt us-gaap:LongtermDebtType wcc:SeniorNotesDue2025NANA4.173NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:LongTermDebt us-gaap:LongtermDebtType wcc:SeniorNotesdue2024NANA350.0NANANA350.0NANANA350.0NANANA350.0NANANA350.0NANANA0.0NANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LongTermDebtNoncurrent ▇▇▇██▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▂▂▁▁▁4303.1244592.7344369.9534878.1245068.5491542.6021257.0671346.3331399.4861214.2761167.3111229.3141261.7051292.0941313.2611368.3011334.5421309.81363.1351418.7081360.6581391.2271456.7611454.7051436.8021336.8811366.43NANANA1447.634NANANA1695.413NANANA642.922NANANA725.893NANANA
us-gaap:DebtAndCapitalLeaseObligations ▂▁▅▅█4740.5674686.6634975.9834987.8445180.596NA1292.628NANANA1233.1NANA1300.01362.271NANANA1401.781NANANA1501.1NANANA1415.56NANANA1487.695NANANA1735.172NANANA649.333NANANA729.881NANANA
us-gaap:DeferredIncomeTaxLiabilitiesNet ▇▇▇██▁▁488.71474.274488.261523.958537.557146.977146.617NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent NANA120.845NANANA31.084NANANA18.595NANANA22.742NANANA11.043NANANA-7.646NANANA-15.561NANANA-8.794NANANA-41.815NANANANANANANANANANANA
 us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent us-gaap:RetirementPlanSponsorLocation us-gaap:ForeignPlanNANA120.845NANANA31.084NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:MinorityInterest ▁▁▁▁▂▂▂▂▂▂▃▃▃▃▅▅▅▅▅▅▄▄▅▅▆▇▇████████████-7.268-7.357-7.333-7.637-6.997-7.044-6.812-6.408-6.252-6.003-5.584-5.516-5.312-5.046-3.596-3.271-3.173-3.197-3.269-3.678-4.266-4.322-2.801-2.947-1.828-0.725-0.487-0.082-0.084-0.068-0.0180.020.064-0.001-0.1060.0920.0680.126-0.088NANANA0.0NANANA
us-gaap:OtherLiabilitiesNoncurrent █████▃▃▃▃▃▃▄▄▄▄▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁288.68285.79278.01292.38293.50885.57491.39179.96883.58299.171102.086119.064121.119127.937128.23765.81163.92863.42663.03156.856.54854.0244.15449.50151.73349.38749.22748.54144.01342.88243.47152.16970.48972.71872.0624.49524.59224.35620.76919.84921.52130.99633.178NANANA
us-gaap:OperatingLeaseLiabilityNoncurrent ▇████▄▄▄▄▄▁391.608399.758414.889419.718430.273213.172179.83182.044177.907178.6060.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo NANA127.851NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree NANA100.746NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour NANA72.847NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA46.73NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NANA124.127NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  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 ██▇▇▇▄▄▄▄▄▄▄▄▄▄▄▄▄▄▃▃▃▃▃▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▁▁▁▁3532.2693407.063343.7223220.8613107.3982209.172265.4832193.1182141.0752202.3652135.312237.3532171.0672137.962119.7392110.5042098.2792060.682013.2811996.3111946.841897.8041776.6721762.7951867.7711838.0431928.1651908.7271889.5861773.6271764.7911738.3051642.5831617.371553.6911544.531468.4661411.1791345.911283.5071253.3071199.2241148.594NANANA
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest ██▇▇▇▄▄▄▄▄▄▄▄▄▃▃▃▃▃▃▃▃▂▂▃▃▃▃▃▂▂▂▂▂▂▂▁▁▁3525.0013399.7033336.3893213.2243100.4012202.1262258.6712186.712134.8232196.3622129.7262231.8372165.7552132.9142116.1432107.2332095.1062057.4832010.0121992.6331942.5741893.4821773.8711759.8481865.9431837.3181928.6521908.6451889.5021773.5591764.8091738.3251642.6471617.3711553.7971544.6221468.5341411.3051345.998NANANA1148.594NANANA
 us-gaap:CommonStockValue us-gaap:StatementClassOfStock us-gaap:CommonStock█████▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁0.680.6780.6760.6760.6760.5940.5930.5930.5930.5930.5920.5920.5910.5910.5910.590.590.590.5880.5880.5860.5860.5860.5860.5860.5850.5840.5840.5840.5830.5810.580.5790.580.5790.5750.5740.5720.571NANANA0.566NANANA
us-gaap:AdditionalPaidInCapitalCommonStock █████▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁1953.6531946.5171942.811939.1011933.2411041.6371039.3471034.888998.2181015.563993.6661006.2221005.8971001.794999.156995.67991.75987.909986.02984.8561119.941118.8691117.4211114.2991110.7161100.0681102.3691098.4581095.8661090.6271082.7721078.8171074.861070.0431065.551053.4931049.5231042.621036.8671031.7471028.751024.3031018.683NANANA
us-gaap:RetainedEarningsAccumulatedDeficit ██▇▇▇▇▇▇▇▇▆▆▆▆▆▆▆▅▅▅▅▅▅▅▅▄▄▄▄▃▃▃▃▃▂▂▂▂▂▁▁▁▁2750.6652645.8712601.6622596.0222529.8422565.5972530.4292477.2592412.7682349.32307.4622249.3272182.4842124.5352079.6972056.9612044.7191994.6171956.5321909.1891940.7671890.9671854.4561806.0521742.5491690.8081643.9141569.5311488.7221419.9191368.3861310.3931241.9871176.7081092.7191066.2161003.641944.767891.789836.94783.05734.981697.676NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▄▄▄▂▂▁▂▂▂▂▂▃▂▃▃▃▃▂▂▂▃▃▂▂▃▃▅▆▆▆▆▇▇▇█████████-225.074-246.293-263.134-377.461-418.889-461.623-367.772-382.53-365.674-385.918-408.435-349.619-370.105-341.39-312.59-295.622-342.164-375.545-387.365-356.659-342.666-340.901-423.155-385.526-290.164-315.706-201.892-143.814-80.02-123.043-76.543-44.255-68.874-24.525-1.04424.35413.70219.24710.0575.94832.35930.61922.633NANANA
us-gaap:TreasuryStockValue █████████▇▇▇▇▇▇▇▇▆▆▆▇▇▁▇▇▇▂▇▇▇▂▇▇▇▂▇▇▇▇▇▇▇▇947.698939.756938.335937.52937.515937.078937.157937.135904.873777.216758.018669.212647.843647.613647.158647.138596.659546.934542.537541.706771.83771.76-772.679772.659695.959637.755-616.366616.075615.609614.502-610.43607.273606.012605.478-604.05600.059598.949595.944593.329591.74591.464591.289591.007NANANA
us-gaap:MinorityInterest ▁▁▁▁▂▂▂▂▂▂▃▃▃▃▅▅▅▅▅▅▄▄▅▅▆▇▇████████████-7.268-7.357-7.333-7.637-6.997-7.044-6.812-6.408-6.252-6.003-5.584-5.516-5.312-5.046-3.596-3.271-3.173-3.197-3.269-3.678-4.266-4.322-2.801-2.947-1.828-0.725-0.487-0.082-0.084-0.068-0.0180.020.064-0.001-0.1060.0920.0680.126-0.088NANANA0.0NANANA
  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 ▁▄▅█▄▂▄▅▁▂▄▄▃▃▃▂▂▃▄▄▃▄▄▃▃▄▄▄▂▃▅▃▃▄▄▃▃▃▄▃▂▃▃▂▂▃-17.695120.49124.993286.25101.1631.528107.703125.439-37.64428.869122.26187.63933.82852.99368.01114.34219.12947.6483.04778.57860.04278.568107.08543.32342.58590.056111.33688.9784.12946.713135.47259.94239.33480.39398.50174.556.84458.33995.70549.311-9.26431.78151.7866.7410.08268.674
us-gaap:NetCashProvidedByUsedInInvestingActivities ████▁█████████████████████████████▆███████▇███-12.18844.542-11.2524.058-3617.69-110.265-7.31-3.191-11.782-38.517-14.0024.928-8.646-16.4227.185-6.152-1.871-4.457-2.673-1.678-4.031-62.104-87.277-3.252-75.46-4.2415.21-4.321-48.916-96.16-7.027-9.1-1.066-1.03-1090.465-186.261-7.802-26.478-49.297-7.94-10.791-13.315-256.055-3.40239.828-0.914
us-gaap:NetCashProvidedByUsedInFinancingActivities ▂▁▂▁█▂▁▁▂▂▁▁▂▂▁▂▂▁▁▁▂▂▂▁▂▁▁▁▂▂▁▁▁▁▃▂▂▂▁▂▂▂▂▂▁▁22.491-312.173-26.579-205.6873434.316278.691-91.684-68.09730.76919.246-150.274-61.071-34.922-28.827-49.032-5.626-35.85-50.688-78.178-121.905-41.406-34.7745.473-71.25551.758-53.791-91.08-79.7251.77123.539-102.999-56.694-48.756-49.07969.657147.098-37.718-34.989-76.113-19.54345.765-21.017153.5810.961-61.469-62.438
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▄▁▆▆▂█▄▅▄▄-15.996-145.24896.88687.027-77.338191.65812.74250.942-18.8829.757NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  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:DeferredIncomeTaxExpenseBenefit ▇▅▄▅▆▆▇▆▆▆▆▆▆▆▁▆▆▆▄▃▆▆▇▇▇▇▅▆▆▇▅▇▆█▆▇▆▆▆▆▇▆█▆▆▆10.115-13.074-25.277-9.323-0.9171.9798.5842.6381.090.893-3.0576.0943.3642.736-58.8292.0294.1142.29-23.332-35.2676.9526.47316.5119.6228.8687.849-12.8684.1285.8557.864-15.8519.7266.66720.093-4.2497.9786.7117.2456.671-2.70610.488-0.0825.533-0.762-4.0810.292
us-gaap:IncreaseDecreaseInAccountsPayable ██▁▆▂▃▃▃▃▅▃▃▄▄▃▅▄▄▃▃▃▄▂▄▃▄▂▅▄▄▃▃▄▄▂▃▄▄▃▄▃▅▂▄▄▅223.931250.987-134.616163.574-72.227-10.858-23.397-15.582-5.60168.085-9.042-7.83817.9968.077-35.47861.51250.76526.071-10.318-11.507-22.0053.223-86.30329.543-19.74320.589-69.29959.8043.47843.604-12.357-3.1111.49241.764-62.886-22.68210.89250.33-8.87329.687-26.534107.397-64.44832.5946.83278.924
us-gaap:IncreaseDecreaseInAccountsReceivable █▆▃▄▂▄▁▃▅▅▂▃▅▄▂▅▅▄▂▃▄▃▂▄▄▃▂▄▅▄254.875117.412-44.29525.718-83.24653.944-134.356-34.48480.69176.696-81.2811.64865.05837.509-61.6978.68973.89522.083-59.842-14.17527.898-10.648-89.90146.01113.493-9.705-85.40952.64166.51255.285NANANANANANANANANANANANANANANANA
us-gaap:IncreaseDecreaseInInventories ██▁▄▄▃▅▃▄▅▅▄▄▄▅▆▅▅▄▄▄▅▃▅▅▅▄▅▅▅▄▄▅▄▅▄▅▄▄▄▄▅▄▅▅▄143.5124.772-126.146-22.25-17.624-37.80745.797-38.155-1.11340.76831.891-11.782-8.415-2.99232.26649.85910.51526.362-6.0393.274-13.14617.523-41.27212.1213.49413.248-17.2069.14327.53717.373-2.404-15.97625.2782.44113.311-1.35819.372-1.986-10.3863.3462.14338.666-6.90319.01523.909-2.065
us-gaap:NetCashProvidedByUsedInOperatingActivities ▁▄▅█▄▂▄▅▁▂▄▄▃▃▃▂▂▃▄▄▃▄▄▃▃▄▄▄▂▃▅▃▃▄▄▃▃▃▄▃▂▃▃▂▂▃-17.695120.49124.993286.25101.1631.528107.703125.439-37.64428.869122.26187.63933.82852.99368.01114.34219.12947.6483.04778.57860.04278.568107.08543.32342.58590.056111.33688.9784.12946.713135.47259.94239.33480.39398.50174.556.84458.33995.70549.311-9.26431.78151.7866.7410.08268.674
us-gaap:NetIncomeLoss █▅▃▆▁▄▅▆▅▅▅▆▅▅▄▅▅▄▅▁▅▄▅▅▅▅▆▆▆▅▅▆▆▆▄▅▅▅▅▅▅▄▄▄▄▃119.19559.17819.98280.678-34.50634.40753.09864.49563.46442.36958.13366.84957.9444.42122.54653.67549.5137.72947.348-31.61149.79836.05348.41263.50351.74147.03174.38380.81668.80251.90557.99469.16265.28583.98926.5163.41558.87452.97854.84953.8950.20737.30534.82333.66127.79319.2
us-gaap:ProfitLoss █▅▃▆▁▄▅▅▅▄▅▆▅▅▄▅▅▄▅▁▅▄▅▅▅▅▆▆▆▅▅▆▆▆▄▅▅▅▅▅▅▄▄▄▄▃119.28459.15420.28880.038-34.45934.17552.69464.33963.21541.9558.06666.64557.67342.97122.22253.57649.53537.847.755-31.02149.85234.53448.55762.38450.63946.79373.97780.81868.78751.85557.95569.11865.35184.09426.49663.39158.93252.9454.83853.8950.20737.30534.82333.66127.79319.2
us-gaap:ShareBasedCompensation ██▇█▇▇▇▇▇▇▁▇▇▇▃▇▇▇▆▇▇▇▆▆▇▇▇▆▇▇▇▇▇▇▇▆▇▇▆▆▇▇▇▇▇▇7.25.9543.7796.04.94.6264.8624.45.24.7-11.44.14.43.9-5.23.54.13.61.03.43.43.63.1991.94.03.83.7662.54.34.23.3833.74.84.03.3663.24.73.8033.0472.94.54.9794.34.33.63.517
  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 ████▁█████████████████████████████▆███████▇███-12.18844.542-11.2524.058-3617.69-110.265-7.31-3.191-11.782-38.517-14.0024.928-8.646-16.4227.185-6.152-1.871-4.457-2.673-1.678-4.031-62.104-87.277-3.252-75.46-4.2415.21-4.321-48.916-96.16-7.027-9.1-1.066-1.03-1090.465-186.261-7.802-26.478-49.297-7.94-10.791-13.315-256.055-3.40239.828-0.914
us-gaap:PaymentsToAcquireProductiveAssets ▅▅▇█▆█▇▄▅▅▆▄▄▄▃▃▃▂▂▃▂▂▃▂▄▂▂▂▃▂▄▄▃▃▂▄▄▂▅▄▅▃▂▂▂▁9.9810.21114.10915.39911.40115.76213.7448.92110.57410.82812.4617.3658.7227.6625.5376.1755.3054.494.7746.0973.4783.6085.4163.6187.5985.0264.5124.2516.7735.0127.3538.7225.7765.9743.6157.1357.8254.5099.3818.10910.2985.5595.0094.1013.7762.246
  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 ▂▁▂▁█▂▁▁▂▂▁▁▂▂▁▂▂▁▁▁▂▂▂▁▂▁▁▁▂▂▁▁▁▁▃▂▂▂▁▂▂▂▂▂▁▁22.491-312.173-26.579-205.6873434.316278.691-91.684-68.09730.76919.246-150.274-61.071-34.922-28.827-49.032-5.626-35.85-50.688-78.178-121.905-41.406-34.7745.473-71.25551.758-53.791-91.08-79.7251.77123.539-102.999-56.694-48.756-49.07969.657147.098-37.718-34.989-76.113-19.54345.765-21.017153.5810.961-61.469-62.438
us-gaap:ProceedsFromIssuanceOfLongTermDebt ▂▃▂▁█▂▁▁▂▂▁▁▁▂▂▂▂▁▁▂▂▁▁▂▂▁▁▁▁▂▂▁▁▁▄▂▁▁▁▁▁▁▂▂▁▁601.232956.595452.38270.0483806.271585.511200.024221.889459.842423.666198.744199.435301.888493.0424.918417.64373.405288.673351.023705.323703.172323.22308.244426.158474.237319.939256.434305.31201.914404.922670.486248.606235.729275.1351559.347411.59175.107153.753183.576137.457209.378118.146738.005406.022104.952205.5
us-gaap:RepaymentsOfLongTermDebt NANA467.381465.048280.108300.511290.024273.136276.449377.825237.147232.435333.888515.0479.918384.64349.405342.673408.023812.753729.572373.22307.126407.387376.986344.321358.765348.36146.816390.232766.627289.795293.516332.251552.828279.553226.044185.605265.997165.239159.403140.258588.728406.394162.003262.401
us-gaap:PaymentsForRepurchaseOfCommonStock NA4.3420.8690.0070.4591.5660.3140.013150.152.572100.11425.1640.231.6610.0950.03750.1296.5360.7453.3330.0720.6680.0375.02653.14727.6020.2910.491.115.331NANANANA4.0432.6143.0062.6171.590.2754.7361.2390.4060.1380.0810.03
  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

Common Stock Value

us-gaap:CommonStockValue us-gaap:StatementClassOfStock

us-gaap:CommonStockValue

us-gaap:CommonStock


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value680000.0678000.0676000.0676000.0676000.0594000.0593000.0593000.0593000.0593000.0592000.0592000.0591000.0591000.0591000.0590000.0590000.0590000.0588000.0588000.0586000.0586000.0586000.0586000.0586000.0585000.0584000.0584000.0584000.0583000.0581000.0580000.0579000.0580000.0579000.0575000.0574000.0572000.0571000.0566000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued us-gaap:StatementClassOfStock

us-gaap:CommonStockSharesIssued

us-gaap:CommonStock


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value67676767675959595959595959595959595958585858585858585858585858585757575757575756
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Preferred Stock Shares Issued

us-gaap:PreferredStockSharesIssued

us-gaap:PreferredStockSharesIssued


Preferred
Period End2020-12-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value0.0216120.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of PreferredStockSharesIssued100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:PreferredStockSharesIssued us-gaap:StatementClassOfStock

us-gaap:SeriesAPreferredStock


Preferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-06-222020-03-312019-12-312019-06-302019-03-312018-12-31
Value0.0216120.0216120.0216120.0216120.0216120.0216120.00.00.00.00.0
Percentage of PreferredStockSharesIssued0.00.0100.00.00.00.00.00.00.00.00.0

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding us-gaap:StatementClassOfStock

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStock


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value50505050504141414244454647474746474848484242424243444444444444444444444343434343
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value51515042424243454747474748494848464951525353535252525051514850504546
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value50505042414243454747474748484342424343444444444444444343434343434242
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain


Antidilutive
Period End2021-03-312020-09-302020-06-302020-03-312019-03-312018-09-302018-03-312017-09-302017-06-302017-03-312016-06-302016-03-312015-09-302015-03-31
Value0.32.03.02.31.81.71.51.51.31.31.52.31.60.9
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockAppreciationRightsSARS


Antidilutive
Period End2021-06-302020-06-302015-09-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-03-31
Value0.13.01.60.90.30.50.50.30.50.51.01.01.01.2
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount0.0100.0100.0100.00.00.00.00.00.00.00.00.00.00.0

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
Value2.090.890.111.32-0.840.821.271.531.460.941.271.421.230.940.481.131.030.770.97-0.731.180.851.151.471.181.061.671.821.551.171.311.571.481.910.61.451.351.221.271.241.160.870.820.790.650.45
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
Value2.020.870.111.31-0.840.821.261.521.450.931.261.411.220.930.471.121.020.760.96-0.731.020.771.031.281.00.91.41.521.290.971.091.321.251.60.521.251.151.031.121.111.00.740.720.740.60.44
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Allocated Share Based Compensation Expense

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:AwardType

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:PhantomShareUnitsPSUs


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value600000.05700000.06900000.01400000.0900000.0
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.10.20.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:PhantomShareUnitsPSUs0.00.00.00.00.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value126611191076.952-59.44467478364-0.6838729155.574104824916-45.6044811810-31.87477-66.78316171115.405259320603.274536258275145403920
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 RevenueFromContractWithCustomerExcludingAssessedTax2.71.52.92.60.3-3.03.22.23.93.3-0.04.21.40.80.35.24.32.80.9-2.52.56.70.6-1.74.0-3.70.80.85.60.31.44.91.13.30.24.53.23.93.71.73.43.23.13.01.6

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
Value363032303356335616921592170917471741157816211670170416131613161415431422144414901532142014971543153514481593165515931436150315351501142613071317133712861261126412171145106110661016921
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 RevenueFromContractWithCustomerExcludingAssessedTax79.079.981.381.081.180.981.481.481.080.580.680.881.080.980.880.780.880.380.680.380.180.080.580.280.179.879.879.779.579.380.079.579.378.979.579.579.980.179.480.079.980.079.780.580.780.2

us-gaap:CostOfGoodsAndServicesSold us-gaap:ProductOrService

us-gaap:ShippingAndHandling


Cost
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value62535520181817181718181818181514
Percentage of CostOfGoodsAndServicesSold1.71.61.71.21.11.11.01.01.11.11.11.11.11.21.00.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.41.31.31.00.90.90.80.80.90.90.90.90.90.90.80.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ShippingAndHandling0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Gains Losses On Extinguishment Of Debt

us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

us-gaap:GainsLossesOnExtinguishmentOfDebt

wcc:A5375SeniorNotesDue2024, us-gaap:SubsequentEvent


Gains
Period End2021-09-30
Value6.9
Percentage of GainsLossesOnExtinguishmentOfDebt100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wcc:A5375SeniorNotesDue2024 us-gaap:SubsequentEvent0.0

Gross Profit

us-gaap:GrossProfit

us-gaap:GrossProfit


Gross
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value771785393376389400408382
Percentage of GrossProfit100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax18.719.018.919.118.618.619.019.5

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1526519104-45.3134467808053738073536371665064-52.1768508085716610311295727610088114329084747976715244473827
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.31.60.52.5-2.22.33.23.73.82.73.73.93.52.73.23.63.52.83.6-2.83.62.94.34.53.73.65.25.44.84.04.15.24.76.42.05.55.14.65.04.94.73.63.33.63.12.4

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
Value326.531-0.90424-10.8541014151711151315104118161216-21.14918163123211929312620183022305.621262521242220149.33413108.052
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 RevenueFromContractWithCustomerExcludingAssessedTax0.70.2-0.00.6-0.50.50.70.70.80.60.80.70.70.52.10.90.90.70.9-1.11.00.91.71.21.11.11.51.51.31.11.01.61.21.70.31.61.51.31.61.41.41.00.71.00.90.7

Income Taxes Paid

us-gaap:IncomeTaxesPaid

us-gaap:IncomeTaxesPaid


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value346.08611353.6496.2451018305.0181314285.5051420282.042
Percentage of IncomeTaxesPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.80.20.30.80.20.30.50.91.40.30.70.71.30.30.71.01.50.1

Interest Income Expense Nonoperating Net

us-gaap:InterestIncomeExpenseNonoperatingNet

us-gaap:InterestIncomeExpenseNonoperatingNet


Interest
Period End2021-06-302021-03-312020-06-302020-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-67590000.0-70373000.0-61270000.0-16592000.0-17603000.0-17311000.0-16816000.0-16721000.0-17502000.0-20792000.0-19452000.0-18829000.0-9908000.0-20417000.0-18613000.0-20894000.0-20241000.0-20798000.0-20337000.0-20688000.0-20608000.0-21304000.0-21769000.0-21926000.0-14669000.0-12654000.0-11477000.0-8962000.0-11952000.0-15079000.0-13931000.0-12641000.0
Percentage of InterestIncomeExpenseNonoperatingNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.5-1.7-2.9-0.8-0.9-0.9-0.9-0.9-1.0-1.1-1.0-1.1-0.5-1.1-1.0-1.2-1.0-1.0-1.0-1.1-1.1-1.1-1.1-1.2-0.9-0.8-0.7-0.6-0.8-1.0-0.9-0.9

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
Value119591980-34.5063453646342586657442253493747-31.6114936486351477480685157696583266358525453503734332719
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 RevenueFromContractWithCustomerExcludingAssessedTax2.61.50.51.9-1.71.72.53.03.02.22.93.22.82.21.12.72.62.12.6-1.72.62.02.63.32.72.63.73.93.42.93.13.63.44.61.63.83.53.33.53.43.32.62.62.52.21.7

Net Income Loss Attributable To Noncontrolling Interest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value0.089-0.0240.304-0.640.047-0.232-0.404-0.156-0.249-0.419-0.067-0.204-0.267-1.45-0.324-0.0990.0250.0710.4080.590.054-1.5190.146-1.119-1.102-0.238-0.4050.002-0.015-0.05-0.038-0.0440.0660.105-0.014-0.0240.058-0.038-0.0110.00.00.0
Percentage of NetIncomeLossAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0-0.00.0-0.00.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.1-0.0-0.00.00.00.00.00.0-0.10.0-0.1-0.1-0.0-0.00.0-0.0-0.0-0.0-0.00.00.0-0.0-0.00.0-0.0-0.00.00.00.0

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0.089-0.024-0.640.047-0.232-0.156-0.249-0.419-0.203-0.267-1.45
Percentage of NetIncomeLossAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.099.5100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0-0.0-0.00.0-0.0-0.0-0.0-0.0-0.0-0.0-0.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss Available To Common Stockholders Basic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value104445.63266-35.7823453646342
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.31.10.11.6-1.71.72.53.03.02.2

Nonoperating Income Expense

us-gaap:NonoperatingIncomeExpense

us-gaap:NonoperatingIncomeExpense


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-74540000.0-60583000.0-16472000.0-13508000.0-17307000.0-17120000.0-17050000.0-17741000.0-19783000.0-16835000.0-16369000.0-16266000.0
Percentage of NonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.8-2.9-0.8-0.6-0.8-0.9-0.8-0.8-1.0-0.8-0.9-0.9

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
Value21813392178156083939770909791738189836782928769891069087124133115921101231091365010396839191846460615138
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 RevenueFromContractWithCustomerExcludingAssessedTax4.83.32.24.30.73.14.04.44.63.64.54.74.33.74.14.54.43.84.65.04.63.94.85.54.74.86.26.45.85.15.96.45.87.63.16.25.75.25.85.85.64.54.54.64.13.3

us-gaap:OperatingIncomeLoss us-gaap:BusinessAcquisition

wcc:AnixterInternational


Operating
Period End2021-06-302021-03-312020-09-302020-06-30
Value1661058018
Percentage of OperatingIncomeLoss75.979.144.9120.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.62.61.90.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wcc:AnixterInternational0.00.00.00.0

us-gaap:OperatingIncomeLoss us-gaap:StatementBusinessSegments

us-gaap:Corporate


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value-140.818-127.854-126.516-91.139-110.235-34.144-41.04-32.64
Percentage of OperatingIncomeLoss-64.3-95.9-136.4-51.2-721.9-56.1-49.0-34.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-3.1-3.2-3.1-2.2-5.3-1.7-2.0-1.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Corporate0.00.00.00.00.00.00.00.0

wcc:CSS


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value111738989279.9461110
Percentage of OperatingIncomeLoss50.855.596.750.3182.916.313.511.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.41.82.22.21.30.50.50.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wcc:CSS7.65.90.06.58.24.40.04.5

wcc:EES


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value1531006510545436372
Percentage of OperatingIncomeLoss70.275.170.759.2300.071.175.276.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.32.51.62.52.22.23.03.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wcc:EES8.05.80.06.44.43.90.05.8

wcc:UBS


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value9487647451415043
Percentage of OperatingIncomeLoss43.365.369.041.6339.168.660.346.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.12.21.61.82.52.12.42.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wcc:UBS7.88.10.06.77.46.60.06.6

Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value21164142-93.851-16.856202220-28.715-28.8
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.50.41.02.0-4.8-0.80.91.11.0-1.4-1.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.0

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:OtherNonoperatingIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value0.802-2.8073.858-0.7770.687-0.122.913-0.798
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0-0.10.1-0.00.0-0.00.1-0.0

Preferred Stock Dividends Income Statement Impact

us-gaap:PreferredStockDividendsIncomeStatementImpact

us-gaap:PreferredStockDividendsIncomeStatementImpact


Preferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-06-30
Value141414141.2760.0
Percentage of PreferredStockDividendsIncomeStatementImpact100.0100.0100.0100.0100.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.40.30.40.10.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value119592080-34.4593452646341586657422253493747-31.0214934486250467380685157696584266358525453503734332719
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.61.50.51.9-1.71.72.53.02.92.12.93.22.72.21.12.72.62.12.7-1.72.61.92.63.22.62.63.73.93.42.93.13.63.54.71.63.83.53.33.43.43.32.62.62.52.21.7

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
Value4595404141284141208619682099214821501961201120672103199319962000190917721793185519111775186119231916181619952078200518101880193118931808164416561672160615891580152414311331132412591148
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:StatementBusinessSegments

wcc:CSS


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value1461125013691388341223228235
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax31.830.933.233.516.411.410.911.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax31.830.933.233.516.411.410.911.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wcc:CSS100.0100.0100.0100.0100.0100.0100.0100.0

wcc:EES


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value19231720166816531043111412341250
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax41.842.640.439.950.056.658.858.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax41.842.640.439.950.056.658.858.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wcc:EES100.0100.0100.0100.0100.0100.0100.0100.0

wcc:UBS


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value1211107010911099701630636662
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax26.426.526.426.533.632.030.330.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax26.426.526.426.533.632.030.330.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wcc:UBS100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementGeographical

country:CA


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
Value703607580582330377416431415384413429405398
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.315.014.114.115.819.219.820.119.319.620.520.819.320.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.315.014.114.115.819.219.820.119.319.620.520.819.320.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:CA100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

country:US


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-03-31
Value33182930300930331431147815541601161614601517152515631482150814731343
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax72.272.572.973.268.675.174.174.675.274.575.473.874.374.475.573.675.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax72.272.572.973.268.675.174.174.675.274.575.473.874.374.475.573.675.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:US100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NonUs


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-03-31
Value574503526102112128114118115493541134511488527429
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.512.512.74.95.76.15.35.55.924.626.26.425.624.526.424.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.512.512.74.95.76.15.35.55.924.626.26.425.624.526.424.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NonUs100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value4595404141284141208619682099214821501961201120672103199319962000190917721793185519111775186119231916181619952078200518101880193118931808164416561672160615891580152414311331132412591148
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

us-gaap:Revenues us-gaap:BusinessAcquisition

wcc:AnixterInternational


Revenuesus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-30
Value250021002200221
Percentage of Revenues54.452.053.110.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax54.452.053.110.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax wcc:AnixterInternational0.00.00.00.0

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
Value699636637561359299289290295296284284292290285280267266249255274269256258275264260271278265248255265227275225231228227216214213203190185183
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 RevenueFromContractWithCustomerExcludingAssessedTax15.215.815.513.617.215.213.813.513.815.114.113.713.914.614.314.014.015.113.913.814.415.213.813.414.414.613.113.113.914.713.213.214.012.616.813.613.814.214.313.714.114.915.314.414.815.9

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
Value1229911878118801186811732523050175047506749844605477847144713473547644623451144904609469246904587464247264612475449054929471146174679463546694629341931863147307830673025295228262494
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:StatementBusinessSegments

us-gaap:Corporate


Assetsus-gaap:
Period End2020-12-312020-09-302019-12-31
Value930447136
Percentage of Assets7.83.82.7
Percentage of Assets7.83.82.7
Percentage of Assets us-gaap:Corporate100.0100.0100.0

wcc:CSS


Assetsus-gaap:
Period End2020-12-312020-09-302019-12-31
Value42754592610
Percentage of Assets36.038.712.2
Percentage of Assets36.038.712.2
Percentage of Assets wcc:CSS100.0100.0100.0

wcc:EES


Assetsus-gaap:
Period End2020-12-312020-09-302019-12-31
Value372638382523
Percentage of Assets31.432.350.3
Percentage of Assets31.432.350.3
Percentage of Assets wcc:EES100.0100.0100.0

wcc:UBS


Assetsus-gaap:
Period End2020-12-312020-09-302019-12-31
Value294729901747
Percentage of Assets24.825.234.8
Percentage of Assets24.825.234.8
Percentage of Assets wcc:UBS100.0100.0100.0

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
Value87748478854386558631302827582860293327882475254625492580261926572528245324802616275027972813288228602775282629963039293728522941299330513075187517181736173217831772175316781497
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 Assets71.371.471.972.973.657.955.056.757.955.953.853.354.154.755.355.854.754.455.256.858.659.661.362.160.560.259.461.161.762.461.862.964.665.466.454.853.955.256.358.258.659.459.460.1

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
Value1229911878118801186811732523050175047506749844605477847144713473547644623451144904609469246904587464247264612475449054929471146174679463546694629341931863147307830673025295228262494
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 End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value3532340733433220310722092265219321412202213522372171213721192110209820602013199619461897177617621867183819281908188917731764173816421617155315441468141113451283125311991148996
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets28.728.728.127.126.542.245.243.542.244.246.446.846.045.444.844.345.445.744.843.341.540.538.738.039.539.940.638.938.337.638.237.135.434.633.645.246.144.843.741.841.440.640.639.9

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
Value59955575550655975438277725402578258425132385250624462418240824102305220321722243230622742257236623682313235024502408225921982218219421762101190518361794173717611704163315131331
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 Assets48.746.946.447.246.453.150.651.151.050.451.852.551.951.350.950.649.948.848.448.749.248.549.251.050.150.249.449.948.948.047.647.447.346.645.455.757.657.056.457.456.355.353.553.4

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value2873034493522653421501388710696142110123117948710311011216014716013217415412811010196123981041168610772636394785253103951211128672
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 Assets2.32.63.83.02.36.53.02.71.72.12.13.02.42.62.52.01.92.32.52.43.43.23.52.93.73.32.72.22.12.02.72.12.32.51.93.12.32.02.13.12.61.81.90.00.00.04.50.00.0

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
Value28422574246624922454121411871315135512681166126512571205117012361144106010341102111710911075114911241082111712181186110510451116110110941036102010131006939950920885792635
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 Assets23.121.720.821.020.923.223.726.126.725.425.326.526.725.624.726.024.823.523.023.923.823.323.424.823.823.523.524.824.123.522.623.823.823.422.429.831.832.030.531.030.430.028.025.5

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
Value24362290216323572368950101196110041001948926935949956925866850821832831844810844847814819846850811787795808792793662651634626631634631588507
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 Assets19.819.318.219.920.218.220.219.119.820.120.619.419.820.120.219.418.718.818.318.117.718.017.718.217.917.717.217.217.217.217.117.017.417.017.119.420.520.220.420.621.021.420.820.3

Prepaid Expense And Other Assets Current

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:PrepaidExpenseAndOtherAssetsCurrent


Prepaid
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value16217118716615719276807262529081684071137122481271411314816716013854107108140495939304426242223272720
Percentage of PrepaidExpenseAndOtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.31.41.61.41.33.71.51.61.41.31.11.91.71.50.81.53.02.71.12.83.02.81.13.63.43.01.12.22.23.01.11.30.80.61.00.80.80.70.80.90.90.7

Noncurrent Assets

us-gaap:NoncurrentAssets

us-gaap:NoncurrentAssets


Noncurrent
Period End2020-12-312019-12-312018-12-312017-12-312012-12-312011-12-312010-12-312009-12-31
Value933417160156251157131125
Percentage of NoncurrentAssets100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.98.33.53.35.45.14.65.1

us-gaap:NoncurrentAssets us-gaap:StatementGeographical

country:CA


Noncurrent
Period End2020-12-312019-12-312018-12-312017-12-312012-12-312011-12-312010-12-312009-12-31
Value146955056100241212
Percentage of NoncurrentAssets15.722.931.636.239.815.69.59.8
Percentage of Assets1.21.91.11.22.20.80.40.5
Percentage of Assets country:CA0.00.00.00.00.00.00.00.0

country:US


Noncurrent
Period End2020-12-312019-12-312018-12-312017-12-312012-12-312011-12-312010-12-312009-12-31
Value69331510695144131117112
Percentage of NoncurrentAssets74.375.665.961.357.583.689.889.6
Percentage of Assets5.86.32.32.03.14.34.24.5
Percentage of Assets country:US0.00.00.00.00.00.00.00.0

wcc:OtherInternational


Noncurrent
Period End2020-12-312019-12-31
Value936.352
Percentage of NoncurrentAssets10.01.5
Percentage of Assets0.80.1
Percentage of Assets wcc:OtherInternational0.00.0

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:BuildingAndBuildingImprovements


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value169110111117117118126
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.42.22.42.52.62.62.7
Percentage of Assets us-gaap:BuildingAndBuildingImprovements0.00.00.00.00.00.00.0

us-gaap:ConstructionInProgress


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1225153.5493.3962.5971.0483.193109.2382.02
Percentage of PropertyPlantAndEquipmentGross7.723.413.53.02.92.20.80.00.00.00.0
Percentage of Assets0.10.50.30.10.10.10.00.10.20.30.1
Percentage of Assets us-gaap:ConstructionInProgress0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FurnitureAndFixtures


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value266162186183178176176
Percentage of PropertyPlantAndEquipmentGross156.8147.2167.3155.9151.7148.7139.4
Percentage of Assets2.23.24.13.94.03.83.7
Percentage of Assets us-gaap:FurnitureAndFixtures0.00.00.00.00.00.00.0

us-gaap:Land


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value2624232524263034382121
Percentage of PropertyPlantAndEquipmentGross15.521.921.521.921.022.024.40.00.00.00.0
Percentage of Assets0.20.50.50.50.50.60.60.80.80.70.7
Percentage of Assets us-gaap:Land0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:SoftwareAndSoftwareDevelopmentCosts


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value235127115103938677
Percentage of PropertyPlantAndEquipmentGross138.7116.2103.788.179.272.861.1
Percentage of Assets2.02.52.52.22.11.91.6
Percentage of Assets us-gaap:SoftwareAndSoftwareDevelopmentCosts0.00.00.00.00.00.00.0

wcc:Depreciable


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value671400413405388381380374
Percentage of PropertyPlantAndEquipmentGross395.5363.5371.0344.0330.9321.5300.50.0
Percentage of Assets5.78.09.08.68.78.38.08.1
Percentage of Assets wcc:Depreciable0.00.00.00.00.00.00.00.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-312010-12-31
Value3393233122942782692682892932902912892852812782742682642592552522492432392372322292292252182132112082071990.1950.19190215
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.82.72.62.52.45.25.35.75.85.86.36.16.16.05.95.85.85.95.85.55.45.35.35.25.05.04.84.74.64.64.64.54.54.44.30.00.06.27.6

Amortization Of Intangible Assets

us-gaap:AmortizationOfIntangibleAssets

us-gaap:AmortizationOfIntangibleAssets


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value27212027108.59.88.68.5
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.0

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
Value384391399400403183181174172166160157157156156157155156157160163167166171180173182191199195198201198207210140137134133129126120118116
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 Assets3.13.33.43.43.43.53.63.53.43.33.53.33.33.33.33.33.43.53.53.53.53.63.63.73.83.83.83.94.14.14.34.34.34.44.64.14.34.34.34.24.24.14.24.7

us-gaap:PropertyPlantAndEquipmentNet us-gaap:PropertyPlantAndEquipmentByType

us-gaap:LandBuildingsAndImprovements


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value1448888979810011412513672
Percentage of PropertyPlantAndEquipmentNet36.148.654.962.462.260.562.463.164.954.6
Percentage of Assets1.21.81.92.12.22.22.42.73.02.4
Percentage of Assets us-gaap:LandBuildingsAndImprovements0.00.00.00.00.00.00.00.00.00.0

wcc:Depreciable


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value359131121127129138150160
Percentage of PropertyPlantAndEquipmentNet90.172.575.781.282.282.882.680.9
Percentage of Assets3.02.62.62.72.93.03.23.5
Percentage of Assets wcc:Depreciable0.00.00.00.00.00.00.00.0

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value322331993187311831071717175917461752174017221755174417551771177617411725172017351740176216811666171316751735175917901752173417621741176217771127102110221008987992991985863
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 Assets26.226.926.826.326.532.835.134.634.634.937.436.737.037.237.437.337.738.238.337.737.137.636.735.936.236.336.535.936.337.237.637.737.637.838.433.032.032.532.732.232.833.634.934.6

us-gaap:Goodwill us-gaap:BusinessAcquisition

wcc:AnixterInternational


Goodwillus-gaap:
Period End2021-06-222020-06-22
Value13841367
Percentage of Goodwill0.00.0
Percentage of Assets0.00.0
Percentage of Assets wcc:AnixterInternational0.00.0

us-gaap:Goodwill us-gaap:StatementBusinessSegments

wcc:CSS


Goodwillus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312018-12-31
Value1125112011151094235234
Percentage of Goodwill34.935.035.035.113.413.6
Percentage of Assets9.29.49.49.24.75.1
Percentage of Assets wcc:CSS0.00.026.123.838.60.0

wcc:EES


Goodwillus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312018-12-31
Value871857853809573542
Percentage of Goodwill27.026.826.826.032.631.5
Percentage of Assets7.17.27.26.811.411.8
Percentage of Assets wcc:EES0.00.022.921.122.70.0

wcc:UBS


Goodwillus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312018-12-31
Value1226122112181214949945
Percentage of Goodwill38.138.238.239.054.054.9
Percentage of Assets10.010.310.310.218.920.5
Percentage of Assets wcc:UBS0.00.041.340.654.30.0

Indefinite Lived Intangible Assets Excluding Goodwill

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill

us-gaap:Trademarks


Indefinite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value79583483383283198961009691104101105
Percentage of IndefiniteLivedIntangibleAssetsExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.57.07.07.07.12.02.12.12.22.02.22.22.3
Percentage of Assets us-gaap:Trademarks0.00.00.00.00.00.00.00.00.00.00.00.00.0

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2020204520652078209526728729330431031633434035336737838038539340742042140338841539842945247544943945746148149620415015415615015315616081
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets16.417.217.417.517.95.15.75.86.06.26.97.07.27.57.87.98.28.58.88.89.09.08.88.48.88.69.09.29.79.59.59.810.010.310.76.04.74.95.14.95.15.35.73.3

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value20202045206520782095287
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0
Percentage of Assets16.417.217.417.517.95.7

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:CustomerRelationships


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value116811881206121712321561782152352442652763223840
Percentage of FiniteLivedIntangibleAssetsNet57.858.158.458.658.854.40.00.00.00.00.00.00.00.00.0
Percentage of Assets9.510.010.210.310.53.13.94.65.35.35.66.07.01.21.4
Percentage of Assets us-gaap:CustomerRelationships0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DistributionRights


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value7.3287.7498.172101112141719222525282826
Percentage of FiniteLivedIntangibleAssetsNet0.40.40.40.50.54.20.00.00.00.00.00.00.00.00.0
Percentage of Assets0.10.10.10.10.10.20.30.40.40.50.50.60.60.90.9
Percentage of Assets us-gaap:DistributionRights0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncompeteAgreements


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1.9562.523.0783.6484.130.0160.0550.0940.1330.2280.20.00.0920.2140.357
Percentage of FiniteLivedIntangibleAssetsNet0.10.10.10.20.20.00.00.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:NoncompeteAgreements0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Patents


Finite
Period End2020-09-302020-06-302019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1.0052.2114.6239.4541419232833384348
Percentage of FiniteLivedIntangibleAssetsNet0.00.11.60.00.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.10.20.30.40.50.60.70.81.41.7
Percentage of Assets us-gaap:Patents0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Trademarks


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value461213131415171921214.4911.431.6280.0
Percentage of FiniteLivedIntangibleAssetsNet2.30.60.70.70.75.40.00.00.00.00.00.00.00.0
Percentage of Assets0.40.10.10.10.10.30.40.40.50.50.10.00.00.0
Percentage of Assets us-gaap:Trademarks0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Intangible Assets Net Including Goodwill

us-gaap:IntangibleAssetsNetIncludingGoodwill

us-gaap:IntangibleAssetsNetIncludingGoodwill


Intangible
Period End2020-12-312020-03-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value40001800190018001872182717731840
Percentage of IntangibleAssetsNetIncludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets33.734.437.939.139.540.738.738.7

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value5105195345405492712352372332320.0
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets4.24.44.54.64.75.24.74.74.64.70.0

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssetsNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value16414793133138122.3791720193.5252525296.994140403161616459494950335254544438394041232324241312121324
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.31.20.81.11.20.20.00.30.40.40.10.50.50.60.10.90.90.90.71.31.31.41.31.11.11.10.71.11.11.21.00.80.80.90.90.70.70.80.80.40.40.40.51.0

Accounts Payable Current

us-gaap:AccountsPayableCurrent

us-gaap:AccountsPayableCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value21921955170718301660804830849868870794813818805799838768712684699712734715787770771765842794781735754754745706693707699642646624650537453
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 Assets17.816.514.415.414.215.416.616.817.117.517.217.017.417.116.917.616.615.815.215.215.215.715.617.016.316.716.117.216.116.615.916.116.316.015.320.322.222.220.921.120.622.019.018.2

Debt Current

us-gaap:DebtCurrent

us-gaap:DebtCurrent


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value36620528282726563522444940396.411
Percentage of DebtCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.00.24.50.20.20.51.20.70.51.01.00.90.90.2

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
Value3301272629862540230110401084110411241150106110511025102110401043964920896959970983947101610111039106311261114108610441036104110381007910894878845822776806708680
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 Assets26.822.925.121.419.619.921.621.922.223.123.122.021.821.722.021.920.920.420.020.820.721.020.721.921.422.522.423.022.623.122.622.222.522.221.826.628.127.927.526.825.727.325.127.3

Long Term Debt Current

us-gaap:LongTermDebtCurrent

us-gaap:LongTermDebtCurrent


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value3662052828270.3790.430.3380.3961.159251.1791.1881.211.2241.2131.2211.2441.2181.221.2391.2381.0252.1442.2322.2312.3432.3932.4562.4582.519.5819.6029.79.6232.1372.0372.4826.4115.2064.7754.8363.98893
Percentage of LongTermDebtCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.00.24.50.20.20.00.00.00.00.00.60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.20.20.20.20.10.10.10.20.20.20.20.13.8

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent us-gaap:BalanceSheetLocation

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OtherCurrentLiabilities


Operating
Period End2020-12-312019-12-31
Value12862
Percentage of OperatingLeaseLiabilityCurrent100.0100.0
Percentage of Assets1.11.2
Percentage of Assets us-gaap:OtherCurrentLiabilities0.00.0

Other Accrued Liabilities Current

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:OtherAccruedLiabilitiesCurrent


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value53449416815916015216910510288989587102117111138123115102136151175181
Percentage of OtherAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.54.23.23.23.23.03.42.32.11.92.12.01.82.22.62.53.02.62.52.22.93.23.83.8

Other Liabilities Current

us-gaap:OtherLiabilitiesCurrent

us-gaap:OtherLiabilitiesCurrent


Other
Period End2021-06-302021-03-312020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value522592552159105867873217145174221219174178192189134717366726165676763
Percentage of OtherLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.25.04.63.22.31.81.71.64.73.13.64.54.73.83.84.24.12.92.12.32.12.32.02.22.32.42.5

Long Term Debt

us-gaap:LongTermDebt us-gaap:LongtermDebtType

us-gaap:LongTermDebt

us-gaap:ForeignLineOfCredit


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value1720292928263034204346
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.20.20.30.20.50.70.70.50.91.0
Percentage of Assets us-gaap:ForeignLineOfCredit0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RevolvingCreditFacility


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value2954752503254500.051124.0758.022218
Percentage of LongTermDebt1641.92340.7845.31091.11552.00.0167.635.219.1173.217.10.00.0
Percentage of Assets2.44.02.12.73.80.01.10.30.11.60.20.54.7
Percentage of Assets us-gaap:RevolvingCreditFacility0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:SeniorNotes


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value32303230373037303729500500500500500500
Percentage of LongTermDebt17979.615918.312612.312522.212864.41904.41624.21467.42390.11154.41068.7
Percentage of Assets26.327.231.431.431.810.010.910.611.110.910.5
Percentage of Assets us-gaap:SeniorNotes0.00.00.00.00.00.00.00.00.00.00.0

wcc:A550SeniorNotesDue2023


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value58585858580.0
Percentage of LongTermDebt326.4288.9198.1196.9202.20.0
Percentage of Assets0.50.50.50.50.50.0
Percentage of Assets wcc:A550SeniorNotesDue20230.00.00.00.00.00.0

wcc:A600SeniorNotesDue2025


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value4.1734.1734.24.1734.1730.0
Percentage of LongTermDebt23.220.614.214.014.40.0
Percentage of Assets0.00.00.00.00.00.0
Percentage of Assets wcc:A600SeniorNotesDue20250.00.00.00.00.00.0

wcc:A7125SeniorNotesDue2025


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value150015001500150015000.0
Percentage of LongTermDebt8348.67391.75071.95035.85173.50.0
Percentage of Assets12.212.612.612.612.80.0
Percentage of Assets wcc:A7125SeniorNotesDue20250.00.00.00.00.00.0

wcc:A7250SeniorNotesDue2028


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value131613151315131513150.0
Percentage of LongTermDebt7326.26484.94448.64415.94535.60.0
Percentage of Assets10.711.111.111.111.20.0
Percentage of Assets wcc:A7250SeniorNotesDue20280.00.00.00.00.00.0

wcc:AccountsReceivableSecuritizationFacility


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1180945950890960415275380380525430453445250370
Percentage of LongTermDebt6567.64656.83212.22987.93311.01580.7893.31115.21816.41212.1919.10.00.00.00.0
Percentage of Assets9.68.08.07.58.28.36.08.08.511.49.09.89.68.113.1
Percentage of Assets wcc:AccountsReceivableSecuritizationFacility0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

wcc:SeniorNotesDue2023


Long
Period End2020-12-31
Value58
Percentage of LongTermDebt198.3
Percentage of Assets0.5
Percentage of Assets wcc:SeniorNotesDue20230.0

wcc:SeniorNotesDue2025


Long
Period End2020-12-31
Value4.173
Percentage of LongTermDebt14.1
Percentage of Assets0.0
Percentage of Assets wcc:SeniorNotesDue20250.0

wcc:SeniorNotesdue2024


Long
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value3503503503503500.0
Percentage of LongTermDebt1183.41333.11136.91027.11673.00.0
Percentage of Assets2.97.07.67.47.80.0
Percentage of Assets wcc:SeniorNotesdue20240.00.00.00.00.00.0

Long Term Debt Noncurrent

us-gaap:LongTermDebtNoncurrent

us-gaap:LongTermDebtNoncurrent


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value43034592436948785068154212571346139912141167122912611292131313681334130913631418136013911456145414361336136614471695642725
Percentage of LongTermDebtNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets35.038.736.841.143.229.525.126.727.624.425.325.726.827.427.728.728.929.030.430.829.029.731.831.330.429.028.731.436.620.925.7

Debt And Capital Lease Obligations

us-gaap:DebtAndCapitalLeaseObligations

us-gaap:DebtAndCapitalLeaseObligations


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312018-12-312018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value47404686497549875180129212331300136214011501141514871735649729
Percentage of DebtAndCapitalLeaseObligations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets38.539.541.942.044.225.826.827.628.831.232.729.832.237.521.125.8

Deferred Income Tax Liabilities Net

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:DeferredIncomeTaxLiabilitiesNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value488474488523537146146
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.04.04.14.44.62.82.9

Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent


Pension
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value12031182211-7.646-15.561-8.794-41.815
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.00.60.40.50.2-0.2-0.3-0.2-0.9

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent us-gaap:RetirementPlanSponsorLocation

us-gaap:ForeignPlan


Pension
Period End2020-12-312019-12-31
Value12031
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent100.0100.0
Percentage of Assets1.00.6
Percentage of Assets us-gaap:ForeignPlan0.00.0

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value-7268000.0-7357000.0-7333000.0-7637000.0-6997000.0-7044000.0-6812000.0-6408000.0-6252000.0-6003000.0-5584000.0-5516000.0-5312000.0-5046000.0-3596000.0-3271000.0-3173000.0-3197000.0-3269000.0-3678000.0-4266000.0-4322000.0-2801000.0-2947000.0-1828000.0-725000.0-487000.0-82000.0-84000.0-68000.0-18000.020000.064000.0-1000.0-106000.092000.068000.0126000.0-88000.00
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.0-0.0-0.0-0.0-0.0-0.0-0.00.00.0-0.0-0.00.00.00.0-0.00.0

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
Value28828527829229385917983991021191211271286563636356565444495149494844424352707272242424201921303328
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 Assets2.32.42.32.52.51.61.81.61.62.02.22.52.62.72.71.41.41.41.41.21.21.21.01.11.11.11.01.00.90.90.91.11.51.61.60.70.80.80.70.60.71.01.21.1

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value3913994144194302131791821771780.0
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets3.23.43.53.53.74.13.63.63.53.60.0

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2020-12-31
Value127
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0
Percentage of Assets1.1

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2020-12-31
Value100
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0
Percentage of Assets0.8

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2020-12-31
Value72
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0
Percentage of Assets0.6

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-31
Value46
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0
Percentage of Assets0.4

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-31
Value124
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0
Percentage of Assets1.0

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2020-12-312019-12-312019-09-302019-06-302019-01-01
Value543241243238245
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0
Percentage of Assets4.64.84.84.70.0

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2020-12-31
Value627
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0
Percentage of Assets5.3

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2020-12-31
Value84
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0
Percentage of Assets0.7

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value3532340733433220310722092265219321412202213522372171213721192110209820602013199619461897177617621867183819281908188917731764173816421617155315441468141113451283125311991148996
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets28.728.728.127.126.542.245.243.542.244.246.446.846.045.444.844.345.445.744.843.341.540.538.738.039.539.940.638.938.337.638.237.135.434.633.645.246.144.843.741.841.440.640.639.9

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value3525339933363213310022022258218621342196212922312165213221162107209520572010199219421893177317591865183719281908188917731764173816421617155315441468141113451148
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets28.728.628.127.126.442.145.043.342.144.146.246.745.945.344.744.245.345.644.843.241.440.438.737.939.539.840.638.938.337.638.237.135.434.633.645.246.144.843.740.6

Common Stock Value

us-gaap:CommonStockValue us-gaap:StatementClassOfStock

us-gaap:CommonStockValue

us-gaap:CommonStock


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value680000.0678000.0676000.0676000.0676000.0594000.0593000.0593000.0593000.0593000.0592000.0592000.0591000.0591000.0591000.0590000.0590000.0590000.0588000.0588000.0586000.0586000.0586000.0586000.0586000.0585000.0584000.0584000.0584000.0583000.0581000.0580000.0579000.0580000.0579000.0575000.0574000.0572000.0571000.0566000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Additional Paid In Capital Common Stock

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AdditionalPaidInCapitalCommonStock


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value19531946194219391933104110391034998101599310061005100199999599198798698411191118111711141110110011021098109510901082107810741070106510531049104210361031102810241018992
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets15.916.416.416.316.519.920.720.519.720.421.621.121.321.321.120.921.421.922.021.423.923.924.424.023.523.923.222.422.223.223.523.123.222.923.030.832.933.133.733.634.034.736.039.8

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
Value2750264526012596252925652530247724122349230722492182212420792056204419941956190919401890185418061742169016431569148814191368131012411176109210661003944891836783734697582
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 Assets22.422.321.921.921.649.050.449.147.647.150.147.146.345.143.943.244.244.243.641.441.440.340.438.936.936.734.632.030.230.129.628.026.825.223.631.231.530.029.027.325.924.924.723.3

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-225.074-246.293-263.134-377.461-418.889-461.623-367.772-382.53-365.674-385.918-408.435-349.619-370.105-341.39-312.59-295.622-342.164-375.545-387.365-356.659-342.666-340.901-423.155-385.526-290.164-315.706-201.892-143.814-80.02-123.043-76.543-44.255-68.874-24.525-1.044241319105.94832302210
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-1.8-2.1-2.2-3.2-3.6-8.8-7.3-7.6-7.2-7.7-8.9-7.3-7.8-7.2-6.6-6.2-7.4-8.3-8.6-7.7-7.3-7.3-9.2-8.3-6.1-6.8-4.2-2.9-1.6-2.6-1.7-0.9-1.5-0.5-0.00.70.40.60.30.21.11.00.80.4

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
Value947939938937937937937937904777758669647647647647596546542541771771-772.679772695637-616.366616615614-610.43607606605-604.05600598595593591591591591590
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 Assets7.77.97.97.98.017.918.718.617.915.616.514.013.713.713.713.612.912.112.111.816.416.5-16.816.614.713.8-13.012.612.513.0-13.213.013.113.0-13.017.518.818.919.319.319.520.020.923.7

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value-7268000.0-7357000.0-7333000.0-7637000.0-6997000.0-7044000.0-6812000.0-6408000.0-6252000.0-6003000.0-5584000.0-5516000.0-5312000.0-5046000.0-3596000.0-3271000.0-3173000.0-3197000.0-3269000.0-3678000.0-4266000.0-4322000.0-2801000.0-2947000.0-1828000.0-725000.0-487000.0-82000.0-84000.0-68000.0-18000.020000.064000.0-1000.0-106000.092000.068000.0126000.0-88000.00
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.0-0.0-0.0-0.0-0.0-0.0-0.00.00.0-0.0-0.00.00.00.0-0.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-12-232010-09-302010-06-302010-03-31
Value-17.69512012428610131107125-37.644281228733526814194783786078107434290111884.12946135593980987456589549-9.2643151516.7410.08268
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.43.03.06.94.81.65.15.8-1.81.56.14.21.62.73.40.71.02.74.64.23.14.45.82.32.25.05.64.30.22.67.23.12.14.46.04.53.43.66.03.1-0.62.23.90.00.50.06.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-12-232010-09-302010-06-302010-03-31
Value-12.18844-11.2524.058-3617.69-110.265-7.31-3.191-11.782-38.517-14.0024.928-8.646-16.4227.185-6.152-1.871-4.457-2.673-1.678-4.031-62.104-87.277-3.252-75.46-4.2415.21-4.321-48.916-96.16-7.027-9.1-1.066-1.03-1090.465-186.261-7.802-26.478-49.297-7.94-10.791-13.315-256.055-256.055-3.40239-0.914
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.31.1-0.30.1-173.4-5.6-0.3-0.1-0.5-2.0-0.70.2-0.4-0.80.4-0.3-0.1-0.3-0.1-0.1-0.2-3.5-4.7-0.2-3.9-0.20.3-0.2-2.4-5.3-0.4-0.5-0.1-0.1-66.3-11.2-0.5-1.6-3.1-0.5-0.7-0.9-19.20.0-0.33.2-0.1

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-12-232010-09-302010-06-302010-03-31
Value22-312.173-26.579-205.6873434278-91.684-68.0973019-150.274-61.071-34.922-28.827-49.032-5.626-35.85-50.688-78.178-121.905-41.406-34.7745.473-71.25551-53.791-91.08-79.725123-102.999-56.694-48.756-49.07969147-37.718-34.989-76.113-19.54345-21.0171531530.961-61.469-62.438
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.5-7.7-0.6-5.0164.614.2-4.4-3.21.41.0-7.5-3.0-1.7-1.4-2.5-0.3-1.9-2.9-4.4-6.6-2.2-2.00.3-3.72.7-3.0-4.6-3.82.61.3-5.5-2.9-2.6-2.759.08.9-2.3-2.2-4.8-1.23.0-1.511.50.00.1-4.9-5.4

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-15.996-145.2489687-77.3381911250-18.8829.757
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.3-3.62.32.1-3.79.70.62.4-0.90.5

Deferred Income Tax Expense Benefit

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DeferredIncomeTaxExpenseBenefit


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-12-232010-09-302010-06-302010-03-31
Value10-13.074-25.277-9.323-0.9171.9798.5842.6381.090.893-3.0576.0943.3642.736-58.8292.0294.1142.29-23.332-35.2676.9526.473169.6228.8687.849-12.8684.1285.8557.864-15.8519.7266.66720-4.2497.9786.7117.2456.671-2.70610-0.082525-0.762-4.0810.292
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Accounts Payable

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:IncreaseDecreaseInAccountsPayable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-12-232010-09-302010-06-302010-03-31
Value223250-134.616163-72.227-10.858-23.397-15.582-5.60168-9.042-7.838178.077-35.478615026-10.318-11.507-22.0053.223-86.30329-19.74320-69.299593.47843-12.357-3.111141-62.886-22.6821050-8.87329-26.534107-64.448-64.448326.83278
Percentage of IncreaseDecreaseInAccountsPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Accounts Receivable

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInAccountsReceivable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value254117-44.29525-83.24653-134.356-34.4848076-81.2811.6486537-61.69787322-59.842-14.17527-10.648-89.9014613-9.705-85.409526655
Percentage of IncreaseDecreaseInAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Inventories

us-gaap:IncreaseDecreaseInInventories

us-gaap:IncreaseDecreaseInInventories


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-12-232010-09-302010-06-302010-03-31
Value143124-126.146-22.25-17.624-37.80745-38.155-1.1134031-11.782-8.415-2.99232491026-6.0393.274-13.14617-41.272121313-17.2069.1432717-2.404-15.976252.44113-1.35819-1.986-10.3863.3462.14338-6.903-6.9031923-2.065
Percentage of IncreaseDecreaseInInventories100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-12-232010-09-302010-06-302010-03-31
Value-17.69512012428610131107125-37.644281228733526814194783786078107434290111884.12946135593980987456589549-9.2643151516.7410.08268
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.43.03.06.94.81.65.15.8-1.81.56.14.21.62.73.40.71.02.74.64.23.14.45.82.32.25.05.64.30.22.67.23.12.14.46.04.53.43.66.03.1-0.62.23.90.00.50.06.0

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
Value119591980-34.5063453646342586657442253493747-31.6114936486351477480685157696583266358525453503734332719
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 RevenueFromContractWithCustomerExcludingAssessedTax2.61.50.51.9-1.71.72.53.03.02.22.93.22.82.21.12.72.62.12.6-1.72.62.02.63.32.72.63.73.93.42.93.13.63.44.61.63.83.53.33.53.43.32.62.62.52.21.7

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value119592080-34.4593452646341586657422253493747-31.0214934486250467380685157696584266358525453503734332719
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.61.50.51.9-1.71.72.53.02.92.12.93.22.72.21.12.72.62.12.7-1.72.61.92.63.22.62.63.73.93.42.93.13.63.54.71.63.83.53.33.43.43.32.62.62.52.21.7

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-12-232010-09-302010-06-302010-03-31
Value7.25.9543.7796.04.94.6264.8624.45.24.7-11.44.14.43.9-5.23.54.13.61.03.43.43.63.1991.94.03.83.7662.54.34.23.3833.74.84.03.3663.24.73.8033.0472.94.54.9794.34.34.33.63.517
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensation us-gaap:StatementScenario

srt:ScenarioForecast


Share
Period End2024-12-312024-03-312023-12-312023-03-312022-12-312022-03-312021-12-312021-03-31
Value0.13.6-14.312-23.017-15.26.0
Percentage of ShareBasedCompensation0.00.00.00.00.00.00.0100.8

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-12-232010-09-302010-06-302010-03-31
Value-12.18844-11.2524.058-3617.69-110.265-7.31-3.191-11.782-38.517-14.0024.928-8.646-16.4227.185-6.152-1.871-4.457-2.673-1.678-4.031-62.104-87.277-3.252-75.46-4.2415.21-4.321-48.916-96.16-7.027-9.1-1.066-1.03-1090.465-186.261-7.802-26.478-49.297-7.94-10.791-13.315-256.055-256.055-3.40239-0.914
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.31.1-0.30.1-173.4-5.6-0.3-0.1-0.5-2.0-0.70.2-0.4-0.80.4-0.3-0.1-0.3-0.1-0.1-0.2-3.5-4.7-0.2-3.9-0.20.3-0.2-2.4-5.3-0.4-0.5-0.1-0.1-66.3-11.2-0.5-1.6-3.1-0.5-0.7-0.9-19.20.0-0.33.2-0.1

Payments To Acquire Productive Assets

us-gaap:PaymentsToAcquireProductiveAssets

us-gaap:PaymentsToAcquireProductiveAssets


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-12-232010-09-302010-06-302010-03-31
Value9.981014151115138.9211010127.3658.7227.6625.5376.1755.3054.494.7746.0973.4783.6085.4163.6187.5985.0264.5124.2516.7735.0127.3538.7225.7765.9743.6157.1357.8254.5099.3818.109105.5595.0095.0094.1013.7762.246
Percentage of PaymentsToAcquireProductiveAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-12-232010-09-302010-06-302010-03-31
Value22-312.173-26.579-205.6873434278-91.684-68.0973019-150.274-61.071-34.922-28.827-49.032-5.626-35.85-50.688-78.178-121.905-41.406-34.7745.473-71.25551-53.791-91.08-79.725123-102.999-56.694-48.756-49.07969147-37.718-34.989-76.113-19.54345-21.0171531530.961-61.469-62.438
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.5-7.7-0.6-5.0164.614.2-4.4-3.21.41.0-7.5-3.0-1.7-1.4-2.5-0.3-1.9-2.9-4.4-6.6-2.2-2.00.3-3.72.7-3.0-4.6-3.82.61.3-5.5-2.9-2.6-2.759.08.9-2.3-2.2-4.8-1.23.0-1.511.50.00.1-4.9-5.4

Proceeds From Issuance Of Long Term Debt

us-gaap:ProceedsFromIssuanceOfLongTermDebt

us-gaap:ProceedsFromIssuanceOfLongTermDebt


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-12-232010-09-302010-06-302010-03-31
Value60195645227038065852002214594231981993014934244173732883517057033233084264743192563052014046702482352751559411175153183137209118738738406104205
Percentage of ProceedsFromIssuanceOfLongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Repayments Of Long Term Debt

us-gaap:RepaymentsOfLongTermDebt

us-gaap:RepaymentsOfLongTermDebt


Repayments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-12-232010-09-302010-06-302010-03-31
Value467465280300290273276377237232333515479384349342408812729373307407376344358348146390766289293332552279226185265165159140588588406162262
Percentage of RepaymentsOfLongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock


Payments
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-12-232010-09-302010-06-302010-03-31
Value4.3420.8690.0070.4591.5660.3140.0131502.572100250.231.6610.0950506.5360.7453.3330.0720.6680.037553270.2910.491.115.3314.0432.6143.0062.6171.590.2754.7361.2390.4060.4060.1380.0810.03
Percentage of PaymentsForRepurchaseOfCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value21.69.9-4.323.30.240.2310.0020.1980.2160.2170.2160.1720.2150.1960.1010.2550.2530.250.0270.4050.2730.3190.0280.2740.2930.2940.00170160.2810.280.282-0.0070.3090.2580.269-0.0140.2990.3030.290.0060.2970.2940.284-0.0220.2910.282
Percentage of EffectiveIncomeTaxRateContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:StockAppreciationRightsSARS


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312013-12-312012-12-31
Value63.7661.5560.4860.3760.3658.5459.7259.7159.7359.2559.2659.3259.3359.1157.7557.657.6858.152.6252.8951.5951.8654.4754.7354.8550.9145.9345.4
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value2931115671107881191171179678
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 End2020-12-312019-12-312018-12-312018-09-302017-12-312016-12-312015-12-312014-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-312008-12-31
Value680.0541.2931.64.3486.1815.436202523222321201920201.00.83.48.0857.451
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value605.8544.0722.5181.430.0
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.00.0

us-gaap:DeferredTaxAssetsValuationAllowance us-gaap:TaxCreditCarryforward

us-gaap:GeneralBusiness


Deferred
Period End2020-12-312019-12-31
Value301.2
Percentage of DeferredTaxAssetsValuationAllowance49.620.5

Proceeds From Repayments Of Short Term Debt

us-gaap:ProceedsFromRepaymentsOfShortTermDebt

us-gaap:ProceedsFromRepaymentsOfShortTermDebt


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value-2.264-8.499-1.4340.702-10.143-0.383-0.18-0.3-0.886-28.4141.01
Percentage of ProceedsFromRepaymentsOfShortTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-88000.0-2209000.0-3000.0-37000.0-2297000.0-13000.0-1000.0-1822000.0-57000.032000.0-1153000.0
Percentage of AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RetainedEarnings


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-49000.0-617000.013000.027000.0761000.0-4000.04000.0-531000.0-8000.011000.0417000.0
Percentage of AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation55.727.9-433.3-73.0-33.130.8-400.029.114.034.4-36.2

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions


Adjustments
Period End2021-06-302021-03-312020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-1000.0-38000.00-39000.006000.0-90000.014000.0-31000.0-67000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions100.0100.00.0100.00.0100.0100.0100.0100.0100.0

us-gaap:BusinessAcquisitionRevenueReportedByAcquiredEntityForLastAnnualPeriod us-gaap:BusinessAcquisition

us-gaap:BusinessAcquisitionRevenueReportedByAcquiredEntityForLastAnnualPeriod

wcc:AnixterInternational


Business
Period End2021-06-302021-03-312020-12-312020-09-30
Value0.080000.00.0
Percentage of BusinessAcquisitionRevenueReportedByAcquiredEntityForLastAnnualPeriod0.0100.00.00.0

us-gaap:BusinessAcquisitionsProFormaNetIncomeLoss us-gaap:BusinessAcquisition

us-gaap:BusinessAcquisitionsProFormaNetIncomeLoss

wcc:AnixterInternational


Business
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value126329191206671
Percentage of BusinessAcquisitionsProFormaNetIncomeLoss100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessAcquisitionsProFormaRevenue us-gaap:BusinessAcquisition

us-gaap:BusinessAcquisitionsProFormaRevenue

wcc:AnixterInternational


Business
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value4214411136784040444643324384
Percentage of BusinessAcquisitionsProFormaRevenue100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationAcquisitionRelatedCosts us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationAcquisitionRelatedCosts

wcc:AnixterInternational


Business
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value374614734.6
Percentage of BusinessCombinationAcquisitionRelatedCosts100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationConsiderationTransferred1 us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationConsiderationTransferred1

wcc:AnixterInternational


Business
Period End2021-06-302021-03-312020-12-31
Value0.046980.0
Percentage of BusinessCombinationConsiderationTransferred10.0100.00.0

us-gaap:BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable

wcc:AnixterInternational


Business
Period End2021-06-302021-03-312020-12-312020-09-30
Value0.08870.00.0
Percentage of BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable0.0100.00.00.0

us-gaap:BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable us-gaap:BusinessAcquisition, us-gaap:EquityInterestIssuedOrIssuableByType

wcc:AnixterInternational, us-gaap:CommonStock


Business
Period End2021-06-302021-03-312020-12-312020-09-30
Value0.03130.00.0
Percentage of BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable0.035.30.00.0

wcc:AnixterInternational, us-gaap:PreferredStock


Business
Period End2021-06-302021-03-312020-12-312020-09-30
Value0.05730.00.0
Percentage of BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable0.064.70.00.0

us-gaap:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentIntangibles us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentIntangibles

wcc:AnixterInternational


Business
Period End2021-06-302021-03-312020-12-31
Value-35000.05400000.06400000.0
Percentage of BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentIntangibles100.0100.0100.0

us-gaap:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentInventory us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentInventory

wcc:AnixterInternational


Business
Period End2021-06-302021-03-31
Value-23406000.08500000.0
Percentage of BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentInventory100.0100.0

us-gaap:CapitalLeaseObligationsIncurred

us-gaap:CapitalLeaseObligationsIncurred


Capital
Period End2021-06-302021-03-312020-06-302020-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-12-232010-09-302010-06-302010-03-31
Value361915570.5231.4550.7650.4730.9020.030.050.130.0160.0160.1210.150.014
Percentage of CapitalLeaseObligationsIncurred100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashAcquiredFromAcquisition us-gaap:BusinessAcquisition

us-gaap:CashAcquiredFromAcquisition

wcc:AnixterInternational


Cash
Period End2021-06-302021-03-312020-12-31
Value0.01030.0
Percentage of CashAcquiredFromAcquisition0.0100.00.0

us-gaap:DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed us-gaap:StatementScenario, us-gaap:LongtermDebtType

us-gaap:DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed

srt:ScenarioForecast, wcc:SeniorNotesdue2024


Debt
Period End2024-09-30
Value1.0
Percentage of DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed100.0

us-gaap:DefinedBenefitPlanActuarialGainLoss

us-gaap:DefinedBenefitPlanActuarialGainLoss


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value-0.106-0.10226-0.0010.026-0.027180.0160.0150.016-5.2850.0110.0120.0128.4440.0510.0480.0492.7250.010.0110.01-6.220.0040.0040.0047.4050.0140.0140.014
Percentage of DefinedBenefitPlanActuarialGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanActuarialGainLoss us-gaap:RetirementPlanSponsorLocation

us-gaap:ForeignPlan


Defined
Period End2021-06-302021-03-312020-06-302020-03-31
Value-0.106-0.102-0.026-0.027
Percentage of DefinedBenefitPlanActuarialGainLoss100.0100.0-100.0100.0

us-gaap:DefinedBenefitPlanContributionsByEmployer

us-gaap:DefinedBenefitPlanContributionsByEmployer


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302016-12-312016-09-302016-06-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value3.12.62.1382.90.81.02.8980.10.10.0720.10.10.5560.50.50.8660.50.50.50.610.50.60.80.643221.0
Percentage of DefinedBenefitPlanContributionsByEmployer100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value8.6928.75732-8.399-1.9881.6141.431.4331.411.4221.4471.4821.51.541.4181.4321.3431.3681.3241.3531.3721.2791.2431.2991.3511.366-9.5111.381.3621.361-7.1841.1730.9480.96-0.1770.00.00.0
Percentage of DefinedBenefitPlanExpectedReturnOnPlanAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets us-gaap:RetirementPlanSponsorLocation

country:US


Defined
Period End2021-06-302021-03-312020-06-30
Value4.3274.5010.457
Percentage of DefinedBenefitPlanExpectedReturnOnPlanAssets49.851.4-23.0

us-gaap:ForeignPlan


Defined
Period End2021-06-302021-03-312020-06-302020-03-31
Value4.3654.2561.5311.614
Percentage of DefinedBenefitPlanExpectedReturnOnPlanAssets50.248.6-77.0100.0

us-gaap:DefinedBenefitPlanInterestCost

us-gaap:DefinedBenefitPlanInterestCost


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value4.4554.5834.7794.8441.2881.0371.0951.0981.081.0891.0061.0261.0391.0660.9971.0070.9450.9620.9580.9790.9930.9260.9480.9911.0311.0421.1141.1721.1581.1561.1341.1171.1451.160.2170.00.00.0
Percentage of DefinedBenefitPlanInterestCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:DefinedBenefitPlanInterestCost us-gaap:RetirementPlanSponsorLocation

country:US


Defined
Period End2021-06-302021-03-312020-06-30
Value1.9412.1370.265
Percentage of DefinedBenefitPlanInterestCost43.646.620.6

us-gaap:ForeignPlan


Defined
Period End2021-06-302021-03-312020-06-302020-03-31
Value2.5142.4461.0231.037
Percentage of DefinedBenefitPlanInterestCost56.453.479.4100.0

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-71000.0-84000.0521000.0270000.0994000.0759000.0805000.0807000.0794000.0800000.0835000.0829000.0839000.0861000.0673000.0642000.0603000.0613000.0590000.0593000.0600000.0560000.0797000.0801000.0834000.0843000.0652000.0704000.0696000.0695000.01145000.0940000.01217000.01233000.0198000.0000
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost us-gaap:RetirementPlanSponsorLocation

country:US


Defined
Period End2021-06-302021-03-312020-06-30
Value-1642000.0-1600000.0-71000.0
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost2312.71904.8-7.1

us-gaap:ForeignPlan


Defined
Period End2021-06-302021-03-312020-06-302020-03-31
Value1571000.01516000.01065000.0759000.0
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost-2212.7-1804.8107.1100.0

us-gaap:DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1

us-gaap:DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1


Defined
Period End2021-06-30
Value19000.0
Percentage of DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1100.0

us-gaap:DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1 us-gaap:RetirementPlanSponsorLocation

country:US


Defined
Period End2021-06-30
Value19000.0
Percentage of DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1100.0

us-gaap:DefinedBenefitPlanServiceCost

us-gaap:DefinedBenefitPlanServiceCost


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value4.0793.9883.9913.8261.6681.3091.1561.1581.1391.1491.2871.2961.3121.3471.0941.1181.0491.0680.9560.9770.990.9231.0951.1131.1581.1710.8980.9120.90.91.0330.9961.021.0330.1580.00.00.0
Percentage of DefinedBenefitPlanServiceCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:DefinedBenefitPlanServiceCost us-gaap:RetirementPlanSponsorLocation

country:US


Defined
Period End2021-06-302021-03-312020-06-30
Value0.7630.7640.121
Percentage of DefinedBenefitPlanServiceCost18.719.27.3

us-gaap:ForeignPlan


Defined
Period End2021-06-302021-03-312020-06-302020-03-31
Value3.3163.2241.5471.309
Percentage of DefinedBenefitPlanServiceCost81.380.892.7100.0

us-gaap:DefinedContributionPlanEmployerMatchingContributionPercent us-gaap:Range, us-gaap:RetirementPlanName

us-gaap:DefinedContributionPlanEmployerMatchingContributionPercent

srt:Maximum, wcc:AnixterEmployeeSavingsPlan


Defined
Period End2021-06-302021-03-312020-09-30
Value02.52.475
Percentage of DefinedContributionPlanEmployerMatchingContributionPercent0.0100.0100.0

srt:Maximum, wcc:Canadian401KDefinedContributionPlan


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value05.04.9500.05
Percentage of DefinedContributionPlanEmployerMatchingContributionPercent0.0200.0200.00.00.0

srt:Minimum, wcc:AnixterEmployeeSavingsPlan


Defined
Period End2021-06-302021-03-312020-09-30
Value02.01.98
Percentage of DefinedContributionPlanEmployerMatchingContributionPercent0.080.080.0

srt:Minimum, wcc:Canadian401KDefinedContributionPlan


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value03.02.9700.03
Percentage of DefinedContributionPlanEmployerMatchingContributionPercent0.0120.0120.00.00.0

us-gaap:DefinedContributionPlanEmployerMatchingContributionPercent us-gaap:RetirementPlanName

wcc:US401KDefinedContributionPlan


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value06.05.9400.06
Percentage of DefinedContributionPlanEmployerMatchingContributionPercent0.0240.0240.00.00.0

us-gaap:DefinedContributionPlanEmployerMatchingContributionPercentOfMatch us-gaap:RetirementPlanName

us-gaap:DefinedContributionPlanEmployerMatchingContributionPercentOfMatch

wcc:AnixterEmployeeSavingsPlan


Defined
Period End2021-06-302021-03-312020-09-30
Value050.049.5
Percentage of DefinedContributionPlanEmployerMatchingContributionPercentOfMatch0.0100.0100.0

wcc:US401KDefinedContributionPlan


Defined
Period End2021-06-302021-03-312020-09-30
Value050.049.5
Percentage of DefinedContributionPlanEmployerMatchingContributionPercentOfMatch0.0100.0100.0

us-gaap:DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent us-gaap:RetirementPlanName

us-gaap:DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent

wcc:AnixterEmployeeSavingsPlan


Defined
Period End2021-06-302021-03-31
Value05.0
Percentage of DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent0.0100.0

us-gaap:DepreciationAndAmortization

us-gaap:DepreciationAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value46414145181616151515151515151616151516161616161616151717171616161716119.918.4428.0798.7467.6747.6417.546
Percentage of DepreciationAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsPreferredStock

us-gaap:DividendsPreferredStock


Dividends
Period End2021-03-31
Value14
Percentage of DividendsPreferredStock100.0

us-gaap:DividendsPreferredStock us-gaap:StatementClassOfStock

us-gaap:SeriesAPreferredStock


Dividends
Period End2021-06-302020-09-302020-06-30
Value14141.276
Percentage of DividendsPreferredStock0.00.00.0

us-gaap:EffectOfExchangeRateOnCashAndCashEquivalents

us-gaap:EffectOfExchangeRateOnCashAndCashEquivalents


Effect
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-12-232010-09-302010-06-302010-03-31
Value-8604000.01893000.09724000.02406000.04876000.0-8296000.04033000.0-3209000.0-225000.0159000.0-4402000.0324000.0-3217000.0-1800000.0-2294000.03720000.03391000.0374000.0-4902000.0-2448000.0-2149000.05865000.02146000.0-10271000.01073000.0-5992000.0-7515000.03788000.0-1697000.0-1461000.0-296000.0-85000.0-1791000.0399000.0769000.0102000.0-2767000.02900000.0-475000.0-6394000.0473000.01406000.01145000.01145000.03016000.0-3711000.03423000.0
Percentage of EffectOfExchangeRateOnCashAndCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnSaleOfBusiness

us-gaap:GainLossOnSaleOfBusiness


Gain
Period End2021-06-302021-03-312013-12-312013-09-30
Value08927000.0-4630000.02315000.0
Percentage of GainLossOnSaleOfBusiness0.0100.0100.0100.0

us-gaap:GainsLossesOnExtinguishmentOfDebtBeforeWriteOffOfDeferredDebtIssuanceCost us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

us-gaap:GainsLossesOnExtinguishmentOfDebtBeforeWriteOffOfDeferredDebtIssuanceCost

wcc:A5375SeniorNotesDue2024, us-gaap:SubsequentEvent


Gains
Period End2021-09-30
Value4700000.0
Percentage of GainsLossesOnExtinguishmentOfDebtBeforeWriteOffOfDeferredDebtIssuanceCost100.0

us-gaap:GoodwillAcquiredDuringPeriod

us-gaap:GoodwillAcquiredDuringPeriod


Goodwill
Period End2021-03-312016-03-312015-03-31
Value0.589410.0
Percentage of GoodwillAcquiredDuringPeriod100.0100.00.0

us-gaap:GoodwillAcquiredDuringPeriod us-gaap:StatementBusinessSegments

wcc:CSS


Goodwill
Period End2021-03-31
Value0.738
Percentage of GoodwillAcquiredDuringPeriod125.3

wcc:EES


Goodwill
Period End2021-03-31
Value-2.29
Percentage of GoodwillAcquiredDuringPeriod-388.8

wcc:UBS


Goodwill
Period End2021-03-31
Value4.36
Percentage of GoodwillAcquiredDuringPeriod740.2

us-gaap:GoodwillForeignCurrencyTranslationGainLoss

us-gaap:GoodwillForeignCurrencyTranslationGainLoss


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value10115019-10.985-16.198-5.04125154.833-13.365-5.2630.14439-20.266-47.25213-59.859
Percentage of GoodwillForeignCurrencyTranslationGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GoodwillForeignCurrencyTranslationGainLoss us-gaap:StatementBusinessSegments

wcc:CSS


Goodwill
Period End2021-06-302021-03-312020-12-31
Value4.7713.831-847.169
Percentage of GoodwillForeignCurrencyTranslationGainLoss44.732.6-1677.1

wcc:EES


Goodwill
Period End2021-06-302021-03-312020-12-31
Value5.6966.63824
Percentage of GoodwillForeignCurrencyTranslationGainLoss53.456.648.7

wcc:UBS


Goodwill
Period End2021-06-302021-03-312020-12-31
Value1.037-0.952-244.766
Percentage of GoodwillForeignCurrencyTranslationGainLoss9.7-8.1-484.6

us-gaap:GoodwillPurchaseAccountingAdjustments us-gaap:BusinessAcquisition

us-gaap:GoodwillPurchaseAccountingAdjustments

wcc:AnixterInternational


Goodwill
Period End2021-06-302021-03-31
Value133.0
Percentage of GoodwillPurchaseAccountingAdjustments100.0100.0

us-gaap:IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance

us-gaap:IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance


Income
Period End2021-03-31
Value8300000.0
Percentage of IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance100.0

us-gaap:IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost

us-gaap:IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost


Income
Period End2021-06-30
Value3400000.0
Percentage of IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost100.0

us-gaap:IncreaseDecreaseInAccountsAndOtherReceivables

us-gaap:IncreaseDecreaseInAccountsAndOtherReceivables


Increase
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-12-232010-09-302010-06-302010-03-31
Value32-7.56335-1.24-19.23616-9.725-22.42518-8.444-29.986121.826-18.25113-4.579-24.86311-64.496-12.075526655-13.6633074-100.4324.9522038-11.195483669-31.091-31.091693841
Percentage of IncreaseDecreaseInAccountsAndOtherReceivables100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInEmployeeRelatedLiabilities

us-gaap:IncreaseDecreaseInEmployeeRelatedLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-12-232010-09-302010-06-302010-03-31
Value45-43.824492420-18.973-3.0267.684-15.888-27.85115197.973-24.561221310-21.7680.726-0.08911-14.5325.3796.1190.122-26.635-0.1291311-16.8545.68810-13.183-22.2911213-3.364-25.891214-0.619-16.68213131311-4.451
Percentage of IncreaseDecreaseInEmployeeRelatedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:IncreaseDecreaseInOtherOperatingAssets


Increase
Period End2021-06-302021-03-312020-06-302020-03-31
Value31-17.14243.125
Percentage of IncreaseDecreaseInOtherOperatingAssets100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-12-232010-09-302010-06-302010-03-31
Value-14.54940-44.36728867.378-5.2788.903-9.0044.554-7.9548.84-9.0622.52686.375-16.1475.926-21.343138.98614-16.664-3.159-34.917-12.132-8.6845.393.3841125-17.678.179-16.262180.7749.148-3.507-15.059-5.408-15.465-3.566-18.853-18.8533.75913-5.255
Percentage of IncreaseDecreaseInOtherOperatingLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets


Increase
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-12-232010-09-302010-06-302010-03-31
Value-1.423243.1251322-15.0749.22217-4.817-19.8492.15513-6.87-21.832-4.158.1784.597-3.5351221-21.474-7.8862.81912191343-7.769-30.16-10.459-1.82-2.15-5.159-12.2663.110.747-2.859-9.289-9.289-0.1353.734-6.951
Percentage of IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements


Incremental
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1751000.01584000.0220000.0444000.092000.0238000.028000.0278000.0323000.0415000.0-26000.0476000.0465000.0570000.04000.0389000.0482000.0694000.024000.0511000.0569000.0414000.0-91000.0538000.0767000.0824000.0-39000.0990000.01031000.01099000.033000.01067000.01091000.01099000.0-52000.01032000.01203000.01340900.0-22910.0976030.01327300.01417300.0111290.0795650.0808020.0
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestPaid

us-gaap:InterestPaid


Interest
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value117106.207254.0295.56284.583274.758274.607284.568263.792
Percentage of InterestPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value21161054142-93.85123-16.8562022-62.61420-28.715-28.8-10.335513311-28.237-13.993-1.76582-42.161-95.37725-113.814-53.022-63.79443-46.5-39.96124-44.35-23.481-23.3110-5.5459.194.109-26.4111.7427.986
Percentage of OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherNonoperatingGainsLosses us-gaap:RetirementPlanType

us-gaap:OtherNonoperatingGainsLosses

us-gaap:PensionPlansDefinedBenefit


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-4200000.0-4100000.0-3400000.0-3600000.0-700000.0-600000.0-400000.0-400000.0-300000.0-300000.0-500000.0-500000.0-500000.0-500000.0-400000.0-500000.0-500000.0-500000.0
Percentage of OtherNonoperatingGainsLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherOperatingActivitiesCashFlowStatement

us-gaap:OtherOperatingActivitiesCashFlowStatement


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-31
Value-2.5745.9398.129-9.2695.7461.76-22.051-1.0856.05.961-15.724-3.4375.9425.085-12.6964.3113.6264.68-10.3920.8355.6764.717-5.8714.795.0437.6651.7315.5222.2023.59-3.9362.831-0.147-4.3670.211
Percentage of OtherOperatingActivitiesCashFlowStatement100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsForProceedsFromOtherInvestingActivities


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value2.412-0.6113.864-18.707-2.036-5.49710-5.731.208-0.05314-12.293-0.0768.76-5.956-0.023-3.434-0.0336.115-4.218-0.0458.1481.791-0.366-0.64-0.7855.444-5.4170.012-0.0390.00.9785.171-4.944-1.507-0.017-0.023-0.011-0.011-0.027-0.017-0.042-15.007-0.747
Percentage of PaymentsForProceedsFromOtherInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfDebtExtinguishmentCosts us-gaap:BusinessAcquisition

us-gaap:PaymentsOfDebtExtinguishmentCosts

wcc:AnixterInternational


Payments
Period End2021-06-302021-03-312020-12-31
Value0.012470.0
Percentage of PaymentsOfDebtExtinguishmentCosts0.0100.00.0

us-gaap:PaymentsOfDebtIssuanceCosts

us-gaap:PaymentsOfDebtIssuanceCosts


Payments
Period End2020-12-312020-09-302019-12-312019-09-302018-12-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-12-232010-09-302010-06-302010-03-31
Value0.2860.4550.1992.5080.0170.0310.00.1060.4554.0190.0340.1950.5040.5041.4530.1870.409
Percentage of PaymentsOfDebtIssuanceCosts100.0100.0100.0100.00.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireBusinessesGross

us-gaap:PaymentsToAcquireBusinessesGross


Payments
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312016-12-312016-09-302015-12-312015-09-302013-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-0.753608100-0.1450.00.0270.00.00.00.122-0.2830.0-4.8-0.1420.517.7982510.048140.048
Percentage of PaymentsToAcquireBusinessesGross100.0100.0100.0100.00.00.0100.00.00.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireBusinessesGross us-gaap:BusinessAcquisition

wcc:AnixterInternational


Payments
Period End2021-06-302021-03-312020-12-312020-09-30
Value0.038110.0-0.75
Percentage of PaymentsToAcquireBusinessesGross0.00.00.0100.0

us-gaap:PaymentsToAcquireBusinessesGross us-gaap:BusinessAcquisition, us-gaap:EquityInterestIssuedOrIssuableByType

wcc:AnixterInternational, us-gaap:CommonStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-30
Value0.024760.00.0
Percentage of PaymentsToAcquireBusinessesGross0.00.00.0-0.0

wcc:AnixterInternational, us-gaap:RestrictedStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-30
Value0.0870.00.0
Percentage of PaymentsToAcquireBusinessesGross0.00.00.0-0.0

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired us-gaap:BusinessAcquisition

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

wcc:AnixterInternational


Payments
Period End2021-06-302021-03-312020-12-312020-09-30
Value0.037070.0-0.75
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired0.0100.00.0100.0

us-gaap:PostemploymentBenefitsPeriodExpense

us-gaap:PostemploymentBenefitsPeriodExpense


Postemployment
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-31
Value16164.33.42.85.86.3121111109.75.15.50.09.88.33.29.25.1
Percentage of PostemploymentBenefitsPeriodExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

us-gaap:PreferredStockDividendRatePercentage us-gaap:StatementClassOfStock

us-gaap:PreferredStockDividendRatePercentage

us-gaap:SeriesAPreferredStock


Preferred
Period End2020-09-30
Value10.519
Percentage of PreferredStockDividendRatePercentage100.0

us-gaap:ProceedsFromDivestitureOfBusinesses

us-gaap:ProceedsFromDivestitureOfBusinesses


Proceeds
Period End2021-06-302021-03-31
Value0.254
Percentage of ProceedsFromDivestitureOfBusinesses100.0100.0

us-gaap:ProceedsFromDivestitureOfBusinesses us-gaap:SubsequentEventType

us-gaap:SubsequentEvent


Proceeds
Period End2021-02-12
Value52
Percentage of ProceedsFromDivestitureOfBusinesses0.0

us-gaap:ProceedsFromDivestitureOfBusinessesNetOfCashDivested

us-gaap:ProceedsFromDivestitureOfBusinessesNetOfCashDivested


Proceeds
Period End2021-06-302021-03-31
Value0.20454
Percentage of ProceedsFromDivestitureOfBusinessesNetOfCashDivested100.0100.0

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-5.938-4.985.3634.86-1.755-4.36-3.9020.647-0.224-0.2487.09-7.751-0.26-0.2911-3.612-0.316-0.452-3.0642.828-6.113-0.2097.595-14.83310-7.2095.329-7.732-5.1373.557-12.705-3.731-5.9282.471-36.09513-1.636-2.0936.4458.653-1.3671.4651.441.662
Percentage of ProceedsFromPaymentsForOtherFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:QuantifyingMisstatementInCurrentYearFinancialStatementsAmount us-gaap:IncomeStatementLocation

us-gaap:QuantifyingMisstatementInCurrentYearFinancialStatementsAmount

wcc:CostOfGoodsSold


Quantifying
Period End2020-12-31
Value23
Percentage of QuantifyingMisstatementInCurrentYearFinancialStatementsAmount100.0

wcc:NetIncome


Quantifying
Period End2020-12-31
Value16
Percentage of QuantifyingMisstatementInCurrentYearFinancialStatementsAmount71.7

us-gaap:RepaymentsOfOtherLongTermDebt

us-gaap:RepaymentsOfOtherLongTermDebt


Repayments
Period End2021-06-302021-03-312020-06-302020-03-31
Value546736280300
Percentage of RepaymentsOfOtherLongTermDebt100.0100.0100.0100.0

us-gaap:RepaymentsOfSeniorDebt

us-gaap:RepaymentsOfSeniorDebt


Repayments
Period End2021-06-302021-03-31
Value0.0500
Percentage of RepaymentsOfSeniorDebt0.0100.0

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability


Right
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value407.48915571121188.092
Percentage of RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue

us-gaap:PerformanceShares


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value059.87-2.080071.47-0.041.36050.79-0.48-0.16-0.1365.44-0.63-2.24-0.8480.48-0.640-6.4878.37-2.77-2.96-0.2286.09
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue0.0100.0100.00.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value5.3354.57-3.24-1.24-0.461.670.053.41-1.3357.491.060.640.4556.01.562.052.7951.12-0.540.72-19.0878.05-0.16-1.86-0.7578.50.622.62-1.1167.390.928.740.1851.19
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue0.091.1155.80.00.086.3-125.0250.70.0113.2-220.8-400.0-346.285.6-247.6-91.5-332.163.584.40.0294.499.65.862.8340.991.20.00.00.00.00.00.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

us-gaap:PerformanceShares


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-31
Value86.9176.50.890048.6700054.6400062.800076.6300047.000067.810086.65
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue100.0100.0100.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.0100.0

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value86.9176.890.0632.18048.32-0.2847.95054.64-0.3261.4159.9562.81057.3071.652.0054.6742.44054.94069.54081.88085.3500072.150-0.06064.33
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue100.0100.56.70.00.099.30.00.00.0100.00.00.00.0100.00.00.00.093.50.00.00.090.30.00.00.0102.60.00.00.098.50.00.00.00.00.00.00.00.0

us-gaap:StockAppreciationRightsSARS


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value38.6233.0500013.8600016.36017.417.8518.40.4816.0021.0017.017.013.000021.680027.7130.660.0132.0531.0531.33024.3325.1527.98
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue44.443.20.00.00.028.50.00.00.029.90.00.00.029.30.00.00.027.40.00.00.027.70.00.00.032.00.00.00.035.40.00.00.00.00.00.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue

us-gaap:PerformanceShares


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-0.4662.800078.0400042.4400000000000000072.25
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue100.0100.00.00.00.0100.00.00.00.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0100.0

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-16.7760.66-0.51-0.03-0.3670.071.940.260.7443.58-0.87-0.66069.44-0.56-0.04085.17-0.02-0.14-0.5173.081.50.070.9964.3300.080.7260.050-29.463.030
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue3645.796.60.00.00.089.80.00.00.0102.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.089.00.00.00.00.00.00.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate


Share
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value29.700.3000.290.280.280.280.2800.290.310.320.32000.32-0.00400.340.3900.480.490.500.50.50.500.480.480.4900.490.49
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate100.00.0100.00.00.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.00.00.0100.0100.00.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate


Share
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value01.38600.0140000.02500.0280.0280.02500.01800.01900.0130.0120.0120000.016000.0160.01500.0160.010.00900.0060.0070.00900.010.0180.02400.0180.022
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate0.0100.00.0100.00.00.00.0100.00.0100.0100.0100.00.0100.00.0100.00.0100.0100.0100.00.00.00.0100.00.00.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercised us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercised

us-gaap:StockAppreciationRightsSARS


Share
Period End2021-06-302021-03-312020-12-31
Value372500.0186060.0208850.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercised100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsForfeitures us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsForfeitures

us-gaap:StockAppreciationRightsSARS


Share
Period End2021-06-302021-03-312020-12-31
Value012719.07133.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsForfeitures0.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice

us-gaap:StockAppreciationRightsSARS


Share
Period End2021-06-302021-03-312020-12-31
Value052.570.36
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice0.0100.0100.0

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice

us-gaap:StockAppreciationRightsSARS


Share
Period End2021-06-302021-03-31
Value-6.2760.92
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice100.0100.0

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice

us-gaap:StockAppreciationRightsSARS


Share
Period End2021-06-302021-03-312020-12-31
Value0.2576.80
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice100.0100.00.0

us-gaap:SharesPaidForTaxWithholdingForShareBasedCompensation us-gaap:StatementClassOfStock

us-gaap:SharesPaidForTaxWithholdingForShareBasedCompensation

us-gaap:CommonStock


Shares
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1520.035289.057.0652.031680.0190.019.042564.0749.0016614.0
Percentage of SharesPaidForTaxWithholdingForShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:StockGrantedDuringPeriodValueSharebasedCompensation

us-gaap:StockGrantedDuringPeriodValueSharebasedCompensation


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value7.2255.9546.0024.9014.6264.4265.154.6654.1184.1023.858
Percentage of StockGrantedDuringPeriodValueSharebasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised us-gaap:StatementClassOfStock

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0.1946150.1656410.0004790.0306650.105620.0019830.0208310.156760.008990.0268670.088554
Percentage of StockIssuedDuringPeriodSharesStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised us-gaap:StatementEquityComponents

us-gaap:TreasuryStock


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0.0746980.015330.0001070.010858-0.002029.4e-050.0030290.0001840.0019760.0037950.005521
Percentage of StockIssuedDuringPeriodSharesStockOptionsExercised38.49.322.335.4-1.94.714.50.122.014.16.2

us-gaap:StockIssuedDuringPeriodValuePurchaseOfAssets us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValuePurchaseOfAssets

us-gaap:AdditionalPaidInCapital


Stock
Period End2020-09-302020-06-30
Value-0.139886
Percentage of StockIssuedDuringPeriodValuePurchaseOfAssets100.0100.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercisedNetOfTaxBenefitExpense us-gaap:StatementClassOfStock

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercisedNetOfTaxBenefitExpense

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value2000.02000.001000.0001000.01000.000
Percentage of StockIssuedDuringPeriodValueStockOptionsExercisedNetOfTaxBenefitExpense100.0100.00.0100.00.00.0100.0100.00.00.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercisedNetOfTaxBenefitExpense us-gaap:StatementEquityComponents

us-gaap:TreasuryStock


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-7942000.0-1421000.0-5000.0-437000.079000.0-5000.0-157000.0-54000.0-119000.0-230000.0-455000.0
Percentage of StockIssuedDuringPeriodValueStockOptionsExercisedNetOfTaxBenefitExpense-397100.0-71050.00.00.07900.00.00.0-5400.0-11900.00.00.0

us-gaap:WriteOffOfDeferredDebtIssuanceCost us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

us-gaap:WriteOffOfDeferredDebtIssuanceCost

wcc:A5375SeniorNotesDue2024, us-gaap:SubsequentEvent


Write
Period End2021-09-30
Value2200000.0
Percentage of WriteOffOfDeferredDebtIssuanceCost100.0

wcc:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentAccountsPayable us-gaap:BusinessAcquisition

wcc:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentAccountsPayable

wcc:AnixterInternational


Business
Period End2021-06-302021-03-31
Value-8439000.07200000.0
Percentage of BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentAccountsPayable100.0100.0

wcc:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentAccountsReceivable us-gaap:BusinessAcquisition

wcc:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentAccountsReceivable

wcc:AnixterInternational


Business
Period End2021-06-302021-03-31
Value-18128000.09200000.0
Percentage of BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentAccountsReceivable100.0100.0

wcc:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentDeferredIncomeTaxes us-gaap:BusinessAcquisition

wcc:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentDeferredIncomeTaxes

wcc:AnixterInternational


Business
Period End2021-06-302021-03-31
Value-46.01130
Percentage of BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentDeferredIncomeTaxes100.0100.0

wcc:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentOperatingLeaseAssets us-gaap:BusinessAcquisition

wcc:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentOperatingLeaseAssets

wcc:AnixterInternational


Business
Period End2021-06-302021-03-31
Value0.04718
Percentage of BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentOperatingLeaseAssets100.0100.0

wcc:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentOperatingLeaseLiabilities us-gaap:BusinessAcquisition

wcc:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentOperatingLeaseLiabilities

wcc:AnixterInternational


Business
Period End2021-06-302021-03-31
Value0.01717
Percentage of BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentOperatingLeaseLiabilities100.0100.0

wcc:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentOtherNoncurrentLiabilities us-gaap:BusinessAcquisition

wcc:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentOtherNoncurrentLiabilities

wcc:AnixterInternational


Business
Period End2021-06-302021-03-31
Value-1.27440
Percentage of BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentOtherNoncurrentLiabilities100.0100.0

wcc:PaymentToAcquireBusinessFairValueOfCashConsideration us-gaap:BusinessAcquisition

wcc:PaymentToAcquireBusinessFairValueOfCashConsideration

wcc:AnixterInternational


Payment
Period End2021-06-302021-03-312020-12-31
Value0.025630.0
Percentage of PaymentToAcquireBusinessFairValueOfCashConsideration0.0100.00.0

dei:EntityCommonStockSharesOutstanding

dei:EntityCommonStockSharesOutstanding


Entity
Period End2021-08-052021-05-062021-02-252020-11-062020-08-142020-04-30
Value505050505041
Percentage of EntityCommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0

us-gaap:AccountsAndOtherReceivablesNetCurrent

us-gaap:AccountsAndOtherReceivablesNetCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value26623423922919277988265759680627110182696785685559817160123138
Percentage of AccountsAndOtherReceivablesNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccountsReceivableFromSecuritization

us-gaap:AccountsReceivableFromSecuritization


Accounts
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value950415275380380525430
Percentage of AccountsReceivableFromSecuritization100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax


Accumulated
Period End2020-12-312019-12-312014-12-312013-12-312012-12-31
Value-2500000.06561000.0-2828000.0-10331000.0-414000.0
Percentage of AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivable

us-gaap:AllowanceForDoubtfulAccountsReceivable


Allowance
Period End2020-12-312019-12-31
Value2325
Percentage of AllowanceForDoubtfulAccountsReceivable100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent


Allowance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value3628232624252527252624252222212423232222232222222220212322191919171717202021212121201820
Percentage of AllowanceForDoubtfulAccountsReceivableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetsHeldForSaleNotPartOfDisposalGroup

us-gaap:AssetsHeldForSaleNotPartOfDisposalGroup


Assets
Period End2020-12-31
Value55
Percentage of AssetsHeldForSaleNotPartOfDisposalGroup100.0

us-gaap:AssetsHeldInTrust

us-gaap:AssetsHeldInTrust


Assets
Period End2021-03-312020-12-312020-09-30
Value393939
Percentage of AssetsHeldInTrust100.0100.0100.0

us-gaap:AssetsHeldInTrust us-gaap:RetirementPlanName

wcc:AnixterDeferredCompensationPlanMember


Assets
Period End2020-12-31
Value39
Percentage of AssetsHeldInTrust100.0

us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperation

us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperation


Assets
Period End2020-12-31
Value55
Percentage of AssetsOfDisposalGroupIncludingDiscontinuedOperation100.0

us-gaap:BusinessAcquisitionCostOfAcquiredEntityTransactionCosts us-gaap:BusinessAcquisition

us-gaap:BusinessAcquisitionCostOfAcquiredEntityTransactionCosts

wcc:AnixterInternational


Business
Period End2020-12-31
Value132
Percentage of BusinessAcquisitionCostOfAcquiredEntityTransactionCosts100.0

us-gaap:BusinessAcquisitionPreacquisitionContingencyAmountOfSettlement us-gaap:BusinessAcquisition

us-gaap:BusinessAcquisitionPreacquisitionContingencyAmountOfSettlement

wcc:AnixterInternational


Business
Period End2021-03-31
Value100
Percentage of BusinessAcquisitionPreacquisitionContingencyAmountOfSettlement100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets

wcc:AnixterInternational


Business
Period End2021-06-222020-06-22
Value68526800
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets100.0100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCapitalLeaseObligation us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCapitalLeaseObligation

wcc:AnixterInternational


Business
Period End2021-06-222020-06-22
Value217199
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCapitalLeaseObligation100.0100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets

wcc:AnixterInternational


Business
Period End2021-06-222020-06-22
Value6753
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets100.0100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables

wcc:AnixterInternational


Business
Period End2021-06-222020-06-22
Value13001309
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables100.0100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable

wcc:AnixterInternational


Business
Period End2021-06-222020-06-22
Value918920
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable100.0100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther

wcc:AnixterInternational


Business
Period End2021-06-222020-06-22
Value234222
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther100.0100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities

wcc:AnixterInternational


Business
Period End2021-06-222020-06-22
Value377384
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities100.0100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill

wcc:AnixterInternational


Business
Period End2021-06-222020-06-22
Value18381832
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill100.0100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles us-gaap:BusinessAcquisition, us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles

wcc:AnixterInternational, us-gaap:CustomerRelationships


Business
Period End2021-06-222020-06-22
Value10981093
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles100.0100.0

wcc:AnixterInternational, us-gaap:NoncompeteAgreements


Business
Period End2021-06-222020-06-22
Value4.1654.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles0.40.4

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory

wcc:AnixterInternational


Business
Period End2021-06-222020-06-22
Value14091424
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory100.0100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities

wcc:AnixterInternational


Business
Period End2021-06-222020-06-22
Value21542101
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities100.0100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentAssets us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentAssets

wcc:AnixterInternational


Business
Period End2021-06-222020-06-22
Value139112
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentAssets100.0100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt

wcc:AnixterInternational


Business
Period End2021-06-222020-06-22
Value7777
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt100.0100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther

wcc:AnixterInternational


Business
Period End2021-06-222020-06-22
Value246206
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther100.0100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment

wcc:AnixterInternational


Business
Period End2021-06-222020-06-22
Value211213
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment100.0100.0

us-gaap:CapitalLeasedAssetsGross

us-gaap:CapitalLeasedAssetsGross


Capital
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value259.79.31012121311119.69.2
Percentage of CapitalLeasedAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation

us-gaap:CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation


Capital
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value7900000.08300000.08400000.09000000.08900000.08300000.07300000.06200000.0-5600000.0-4700000.0-4000000.0
Percentage of CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalizedComputerSoftwareNet

us-gaap:CapitalizedComputerSoftwareNet


Capitalized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value12329242221242427211918
Percentage of CapitalizedComputerSoftwareNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockCapitalSharesReservedForFutureIssuance

us-gaap:CommonStockCapitalSharesReservedForFutureIssuance


Common
Period End2020-12-31
Value1100000.0
Percentage of CommonStockCapitalSharesReservedForFutureIssuance100.0

us-gaap:ContractWithCustomerRefundLiability

us-gaap:ContractWithCustomerRefundLiability


Contract
Period End2021-06-302021-03-312020-12-312019-12-31
Value3936384.4
Percentage of ContractWithCustomerRefundLiability100.0100.0100.0100.0

us-gaap:DebtInstrumentCarryingAmount

us-gaap:DebtInstrumentCarryingAmount


Debt
Period End2020-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312011-09-302010-12-31
Value498514021665158516621918825495495
Percentage of DebtInstrumentCarryingAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentFaceAmount us-gaap:LongtermDebtType

us-gaap:DebtInstrumentFaceAmount

wcc:A5375SeniorNotesDue2021


Debt
Period End2021-06-30
Value500
Percentage of DebtInstrumentFaceAmount100.0

wcc:A5375SeniorNotesDue2024


Debt
Period End2021-06-30
Value350
Percentage of DebtInstrumentFaceAmount70.0

us-gaap:DebtInstrumentUnamortizedDiscount

us-gaap:DebtInstrumentUnamortizedDiscount


Debt
Period End2020-12-312018-12-312017-12-312016-12-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-12-122012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312009-08-27
Value9.3320.1560.5130.771641651671711701711721731741801811821831e-08173174175175176177177178182181
Percentage of DebtInstrumentUnamortizedDiscount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentUnamortizedDiscount us-gaap:LongtermDebtType

wcc:A7250SeniorNotesDue2028


Debt
Period End2021-06-302021-03-312020-12-312020-09-30
Value8.719.0219.3329.643
Percentage of DebtInstrumentUnamortizedDiscount0.00.0100.00.0

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value78838792968.2118.8769.3717.7738.5089.243101111141415160.7718183180182
Percentage of DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet us-gaap:ShortTermDebtType

wcc:A5375SeniorNotesDue2021


Debt
Period End2021-06-302020-12-31
Value2.2171.039
Percentage of DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet2.81.2

wcc:SeniorNotesDue2021


Debt
Period End2020-12-31
Value1.039
Percentage of DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet1.2

us-gaap:DebtInstrumentUnamortizedPremium

us-gaap:DebtInstrumentUnamortizedPremium


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value1306000.01479000.01650000.01824000.02016000.00
Percentage of DebtInstrumentUnamortizedPremium100.0100.0100.0100.0100.00.0

us-gaap:DebtWeightedAverageInterestRate us-gaap:LongtermDebtType

us-gaap:DebtWeightedAverageInterestRate

us-gaap:ForeignLineOfCredit


Debt
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value3.40.06320.08780.05420.0736
Percentage of DebtWeightedAverageInterestRate100.0100.0100.0100.0100.0

us-gaap:DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible

us-gaap:DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible


Decrease
Period End2020-12-31
Value3600000.0
Percentage of DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible100.0

us-gaap:DeferredCompensationLiabilityClassifiedNoncurrent us-gaap:RetirementPlanName

us-gaap:DeferredCompensationLiabilityClassifiedNoncurrent

wcc:WESCODeferredCompensationPlan


Deferred
Period End2020-12-312019-12-31
Value1725
Percentage of DeferredCompensationLiabilityClassifiedNoncurrent100.0100.0

wcc:WESCODeferredCompensationPlanMember


Deferred
Period End2021-06-30
Value19
Percentage of DeferredCompensationLiabilityClassifiedNoncurrent0.0

us-gaap:DeferredCompensationLiabilityClassifiedNoncurrent us-gaap:StatementBusinessSegments

wcc:AnixterInternational


Deferred
Period End2020-09-302020-06-30
Value4242
Percentage of DeferredCompensationLiabilityClassifiedNoncurrent0.00.0

wcc:WESCO


Deferred
Period End2020-12-312020-09-302020-06-302019-12-31
Value17152425
Percentage of DeferredCompensationLiabilityClassifiedNoncurrent100.00.00.0100.0

us-gaap:DeferredCompensationLiabilityCurrent us-gaap:RetirementPlanName

us-gaap:DeferredCompensationLiabilityCurrent

wcc:AnixterDeferredCompensationPlan


Deferred
Period End2020-12-31
Value45
Percentage of DeferredCompensationLiabilityCurrent100.0

wcc:AnixterDeferredCompensationPlanMember


Deferred
Period End2020-12-31
Value45
Percentage of DeferredCompensationLiabilityCurrent100.0

wcc:WESCODeferredCompensationPlan


Deferred
Period End2020-12-31
Value10
Percentage of DeferredCompensationLiabilityCurrent22.4

wcc:WESCODeferredCompensationPlanMember


Deferred
Period End2020-12-31
Value10
Percentage of DeferredCompensationLiabilityCurrent22.4

us-gaap:DeferredCompensationLiabilityCurrent us-gaap:StatementBusinessSegments

wcc:AnixterInternational


Deferred
Period End2021-03-312020-09-30
Value433.8
Percentage of DeferredCompensationLiabilityCurrent0.00.0

wcc:WESCO


Deferred
Period End2020-09-30
Value10
Percentage of DeferredCompensationLiabilityCurrent0.0

us-gaap:DeferredCompensationLiabilityCurrentAndNoncurrent us-gaap:RetirementPlanType

us-gaap:DeferredCompensationLiabilityCurrentAndNoncurrent

wcc:WESCODeferredCompensationPlan


Deferred
Period End2020-12-31
Value27
Percentage of DeferredCompensationLiabilityCurrentAndNoncurrent100.0

wcc:WESCODeferredCompensationPlanMember


Deferred
Period End2020-12-31
Value27
Percentage of DeferredCompensationLiabilityCurrentAndNoncurrent100.0

us-gaap:DeferredFinanceCostsGross us-gaap:LongtermDebtType

us-gaap:DeferredFinanceCostsGross

wcc:A7125SeniorNotesDue2025


Deferred
Period End2020-12-31
Value33
Percentage of DeferredFinanceCostsGross100.0

wcc:A7250SeniorNotesDue2028


Deferred
Period End2020-12-31
Value29
Percentage of DeferredFinanceCostsGross88.5

us-gaap:DeferredFinanceCostsNet

us-gaap:DeferredFinanceCostsNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value71747882868.8769.61317172024261212
Percentage of DeferredFinanceCostsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredIncomeTaxAssetsNet


Deferred
Period End2020-12-312019-12-31
Value3711
Percentage of DeferredIncomeTaxAssetsNet100.0100.0

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredIncomeTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value743247183184250426
Percentage of DeferredIncomeTaxLiabilities100.0100.0100.0100.0100.0100.0

us-gaap:DeferredRevenue

us-gaap:DeferredRevenue


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value43222427309.91211108.8118.8111115
Percentage of DeferredRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsGross


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value354117607410988
Percentage of DeferredTaxAssetsGross100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsInventory

us-gaap:DeferredTaxAssetsInventory


Deferred
Period End2020-12-31
Value14
Percentage of DeferredTaxAssetsInventory100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value3610151918212536232432
Percentage of DeferredTaxAssetsOperatingLossCarryforwards100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards us-gaap:IncomeTaxAuthority

us-gaap:StateAndLocalJurisdiction


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value2.42.63.23.13.23.23.4
Percentage of DeferredTaxAssetsOperatingLossCarryforwards6.524.820.616.217.415.213.3

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsForeign us-gaap:IncomeTaxAuthority

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsForeign

us-gaap:ForeignCountry


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value341.27.27.06.25.31830
Percentage of DeferredTaxAssetsOperatingLossCarryforwardsForeign100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsOther


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value276.7917.927117.1756.7681117503711
Percentage of DeferredTaxAssetsOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsForeign

us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsForeign


Deferred
Period End2020-12-312019-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value551.2470.01511114.689
Percentage of DeferredTaxAssetsTaxCreditCarryforwardsForeign100.0100.00.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsForeign us-gaap:IncomeTaxAuthority

us-gaap:ForeignCountry


Deferred
Period End2020-12-312019-12-31
Value551.2
Percentage of DeferredTaxAssetsTaxCreditCarryforwardsForeign99.996.2

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
Value532020141816159.574403030
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value141312162327272626
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseOther


Deferred
Period End2020-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
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Defined
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Period End2020-12-31
Value504
Percentage of DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsProjectedBenefitObligation100.0

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation


Defined
Period End2020-12-31
Value435
Percentage of DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation100.0

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets


Defined
Period End2020-12-31
Value365
Percentage of DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets100.0

us-gaap:DerivativeNotionalAmount

us-gaap:DerivativeNotionalAmount


Derivative
Period End2021-06-302020-12-31
Value215111
Percentage of DerivativeNotionalAmount100.0100.0

us-gaap:DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet

us-gaap:DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet


Disposal
Period End2020-12-31
Value4258000.0
Percentage of DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet100.0

us-gaap:DisposalGroupIncludingDiscontinuedOperationAccountsPayable

us-gaap:DisposalGroupIncludingDiscontinuedOperationAccountsPayable


Disposal
Period End2020-12-31
Value3639000.0
Percentage of DisposalGroupIncludingDiscontinuedOperationAccountsPayable100.0

us-gaap:DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedLiabilities

us-gaap:DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedLiabilities


Disposal
Period End2020-12-31
Value5717000.0
Percentage of DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedLiabilities100.0

us-gaap:DisposalGroupIncludingDiscontinuedOperationGoodwill1

us-gaap:DisposalGroupIncludingDiscontinuedOperationGoodwill1


Disposal
Period End2020-12-31
Value26
Percentage of DisposalGroupIncludingDiscontinuedOperationGoodwill1100.0

us-gaap:DisposalGroupIncludingDiscontinuedOperationGoodwillCurrent

us-gaap:DisposalGroupIncludingDiscontinuedOperationGoodwillCurrent


Disposal
Period End2020-12-31
Value26
Percentage of DisposalGroupIncludingDiscontinuedOperationGoodwillCurrent100.0

us-gaap:DisposalGroupIncludingDiscontinuedOperationIntangibleAssets

us-gaap:DisposalGroupIncludingDiscontinuedOperationIntangibleAssets


Disposal
Period End2020-12-31
Value5722000.0
Percentage of DisposalGroupIncludingDiscontinuedOperationIntangibleAssets100.0

us-gaap:DisposalGroupIncludingDiscontinuedOperationIntangibleAssets us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:CustomerRelationships


Disposal
Period End2020-12-31
Value3300000.0
Percentage of DisposalGroupIncludingDiscontinuedOperationIntangibleAssets57.7

us-gaap:DistributionRights


Disposal
Period End2020-12-31
Value1400000.0
Percentage of DisposalGroupIncludingDiscontinuedOperationIntangibleAssets24.5

us-gaap:Trademarks


Disposal
Period End2020-12-31
Value1000000.0
Percentage of DisposalGroupIncludingDiscontinuedOperationIntangibleAssets17.5

us-gaap:DisposalGroupIncludingDiscontinuedOperationInventory1

us-gaap:DisposalGroupIncludingDiscontinuedOperationInventory1


Disposal
Period End2020-12-31
Value16
Percentage of DisposalGroupIncludingDiscontinuedOperationInventory1100.0

us-gaap:DisposalGroupIncludingDiscontinuedOperationOtherCurrentLiabilities

us-gaap:DisposalGroupIncludingDiscontinuedOperationOtherCurrentLiabilities


Disposal
Period End2020-12-31
Value541000.0
Percentage of DisposalGroupIncludingDiscontinuedOperationOtherCurrentLiabilities100.0

us-gaap:DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssets

us-gaap:DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssets


Disposal
Period End2020-12-31
Value395000.0
Percentage of DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssets100.0

us-gaap:DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment

us-gaap:DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment


Disposal
Period End2020-12-31
Value263000.0
Percentage of DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment100.0

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
Value220157198146119284950435988735447725037274949493751454039676351395661506486634851766349506630
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
Value55623339
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized100.0100.0100.0100.0

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseLiability


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value18171714131.373
Percentage of FinanceLeaseLiability100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value3122842613232922782800.2788560.2715980.2604962490.2487970.2377160.0738242230.2142250.2007550.1889651780.1706130.1619330.1519911380.1309290.1258990.13919211075614531
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:CustomerRelationships


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value271249227237210201180161126957648403225
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization86.787.687.173.571.772.072.372.370.969.168.864.665.571.581.1

us-gaap:DistributionRights


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value2121212726252222191614119.2986.8974.95
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization7.07.58.08.39.09.09.09.910.812.012.915.615.215.215.5

us-gaap:NoncompeteAgreements


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value2.4181.9021.3840.6940.0660.180.1410.1020.0630.2010.0950.01.8581.0380.895
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization0.80.70.50.20.00.10.10.00.00.10.10.03.02.32.8

us-gaap:Patents


Finite
Period End2020-09-302020-06-302019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value4746433834292419149.875.0390.215
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization14.615.715.615.615.216.317.617.619.516.111.10.7

us-gaap:Trademarks


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value17111110109.3197.5855.5163.4261.5810.5940.2180.1060.0
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization5.64.24.43.43.53.33.02.51.91.10.50.30.20.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive


Finite
Period End2021-06-302021-03-312020-12-312020-09-30
Value817819823834
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths


Finite
Period End2021-06-302021-03-312020-12-312020-09-302013-12-31
Value7065862636
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive


Finite
Period End2021-06-302021-03-312020-12-312020-09-302013-12-31
Value7877769130
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFive100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour


Finite
Period End2021-06-302021-03-312020-12-312020-09-302013-12-31
Value8180809532
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFour100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree


Finite
Period End2021-06-302021-03-312020-12-312020-09-302013-12-31
Value8383819633
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearThree100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo


Finite
Period End2021-06-302021-03-312020-12-312020-09-302013-12-31
Value93848310034
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsGross

us-gaap:FiniteLivedIntangibleAssetsGross


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value23332330232624022388567
Percentage of FiniteLivedIntangibleAssetsGross100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsGross us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:CustomerRelationships


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value143914371434145514423583583773623393423243627065
Percentage of FiniteLivedIntangibleAssetsGross61.761.761.760.660.463.10.00.00.00.00.00.00.00.00.0

us-gaap:DistributionRights


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value292929373737363938384037383531
Percentage of FiniteLivedIntangibleAssetsGross1.31.31.31.61.66.60.00.00.00.00.00.00.00.00.0

us-gaap:NoncompeteAgreements


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value4.3744.4224.4624.3424.1960.1960.1960.1960.1960.4290.2950.01.951.2521.252
Percentage of FiniteLivedIntangibleAssetsGross0.20.20.20.20.20.00.00.00.00.00.00.00.00.00.0

us-gaap:Trademarks


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value642424242424252525225.0851.6481.7340.0
Percentage of FiniteLivedIntangibleAssetsGross2.71.11.11.01.04.40.00.00.00.00.00.00.00.0

us-gaap:GoodwillGross us-gaap:StatementBusinessSegments

us-gaap:GoodwillGross

wcc:EES


Goodwill
Period End2020-09-30
Value809
Percentage of GoodwillGross100.0

us-gaap:IntangibleAssetsGrossExcludingGoodwill

us-gaap:IntangibleAssetsGrossExcludingGoodwill


Intangible
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value2326567565590572542540514
Percentage of IntangibleAssetsGrossExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryValuationReserves

us-gaap:InventoryValuationReserves


Inventory
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value2830272827241917161420
Percentage of InventoryValuationReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths


Lessee
Period End2020-12-31
Value155
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths100.0

us-gaap:LettersOfCreditOutstandingAmount

us-gaap:LettersOfCreditOutstandingAmount


Letters
Period End2020-12-312017-12-312016-12-312015-12-31
Value54182640
Percentage of LettersOfCreditOutstandingAmount100.0100.0100.0100.0

us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation

us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation


Liabilities
Period End2020-12-31
Value5717000.0
Percentage of LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation100.0

us-gaap:LineOfCreditFacilityCurrentBorrowingCapacity us-gaap:Range, us-gaap:LongtermDebtType

us-gaap:LineOfCreditFacilityCurrentBorrowingCapacity

srt:Maximum, us-gaap:ForeignLineOfCredit


Line
Period End2020-12-312019-12-312018-12-31
Value312121
Percentage of LineOfCreditFacilityCurrentBorrowingCapacity100.0100.0100.0

srt:Maximum, wcc:AccountsReceivableSecuritizationFacility


Line
Period End2020-12-312020-12-14
Value10251200
Percentage of LineOfCreditFacilityCurrentBorrowingCapacity3306.50.0

srt:Minimum, wcc:AccountsReceivableSecuritizationFacility


Line
Period End2020-12-31
Value600
Percentage of LineOfCreditFacilityCurrentBorrowingCapacity1935.5

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity us-gaap:CreditFacility, us-gaap:LongtermDebtType

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity

wcc:AccordionFeature, wcc:AccountsReceivableSecuritizationFacility


Line
Period End2020-12-312019-12-312018-12-31
Value375200100
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity100.0100.0100.0

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity us-gaap:LongtermDebtType

us-gaap:RevolvingCreditFacility


Line
Period End2020-12-312020-12-142020-09-302020-06-30
Value1100120011001100
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity293.30.00.00.0

wcc:AccountsReceivableSecuritizationFacility


Line
Period End2021-06-302020-12-312020-09-302020-06-302019-12-312018-12-31
Value1300120010251025600550
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity0.0320.00.00.0300.0550.0

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity us-gaap:CreditFacility, us-gaap:LongtermDebtType

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity

us-gaap:StandbyLettersOfCredit, us-gaap:RevolvingCreditFacility


Line
Period End2020-12-312019-12-312018-12-312017-12-31
Value28271827
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity100.0100.0100.0100.0

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity us-gaap:LongtermDebtType

us-gaap:RevolvingCreditFacility


Line
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value801563515562509438497512270
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity2822.22072.82866.12069.50.00.00.00.00.0

us-gaap:LongTermDebtFairValue us-gaap:LongtermDebtType

us-gaap:LongTermDebtFairValue

us-gaap:SeniorNotes


Long
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value3520354640844015866
Percentage of LongTermDebtFairValue100.0100.0100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive


Long
Period End2020-12-31
Value1326
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths


Long
Period End2020-12-31
Value529
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive


Long
Period End2020-12-31
Value1756
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour


Long
Period End2020-12-31
Value352
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree


Long
Period End2020-12-31
Value1016
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo


Long
Period End2020-12-31
Value4051000.0
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo100.0

us-gaap:NontradeReceivables

us-gaap:NontradeReceivables


Nontrade
Period End2020-12-312019-12-31
Value13681
Percentage of NontradeReceivables100.0100.0

us-gaap:NumberOfCountriesInWhichEntityOperates us-gaap:BusinessAcquisition

us-gaap:NumberOfCountriesInWhichEntityOperates

wcc:AnixterInternational


Number
Period End2020-12-31
Value50.0
Percentage of NumberOfCountriesInWhichEntityOperates100.0

us-gaap:OperatingLossCarryforwardsValuationAllowance us-gaap:IncomeTaxAuthority

us-gaap:OperatingLossCarryforwardsValuationAllowance

us-gaap:ForeignCountry


Operating
Period End2020-12-312019-12-312018-12-312017-12-31
Value224.64.12.5
Percentage of OperatingLossCarryforwardsValuationAllowance100.0100.0100.0100.0

us-gaap:OtherCommitment us-gaap:LongtermDebtType, us-gaap:OtherCommitments

us-gaap:OtherCommitment

us-gaap:LineOfCredit, us-gaap:Guarantees


Other
Period End2020-12-31
Value1000000.0
Percentage of OtherCommitment100.0

us-gaap:NotesPayableOtherPayables, us-gaap:Guarantees


Other
Period End2020-12-31
Value5500000.0
Percentage of OtherCommitment550.0

us-gaap:OtherCommitment us-gaap:OtherCommitments

us-gaap:Guarantees


Other
Period End2020-12-31
Value5800000.0
Percentage of OtherCommitment580.0

us-gaap:StandbyLettersOfCredit


Other
Period End2020-12-31
Value6700000.0
Percentage of OtherCommitment670.0

us-gaap:OtherDeferredCompensationArrangementsLiabilityClassifiedNoncurrent us-gaap:AwardType

us-gaap:OtherDeferredCompensationArrangementsLiabilityClassifiedNoncurrent

us-gaap:PhantomShareUnitsPSUs


Other
Period End2021-06-302021-03-312020-12-312020-09-30
Value18152213
Percentage of OtherDeferredCompensationArrangementsLiabilityClassifiedNoncurrent100.0100.0100.0100.0

us-gaap:OtherReceivablesNetCurrent

us-gaap:OtherReceivablesNetCurrent


Other
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value23998961018581138131118106130120109102894834254337
Percentage of OtherReceivablesNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities


Pension
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value180.3830.3640.3950.364-0.355-0.422-0.46-0.201
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities us-gaap:RetirementPlanSponsorLocation

country:US


Pension
Period End2020-12-31
Value18
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities97.5

us-gaap:ForeignPlan


Pension
Period End2020-12-312019-12-31
Value0.4710.383
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities2.5100.0

us-gaap:SelfInsuranceReserve

us-gaap:SelfInsuranceReserve


Self
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value271213139.59.81211
Percentage of SelfInsuranceReserve100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:PerformanceShares


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value59.3559.1352.6152.652.652.660.2460.2460.1160.1159.3359.259.3359.3360.2360.1960.0559.9960.3660.3960.3960.4376.4876.7976.776.7780.21
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value53.2350.6643.1543.2353.3253.3860.060.2560.4660.4857.8757.8957.8557.8458.1158.258.2958.2357.4757.2957.6257.7874.5274.7374.9975.0573.8773.8673.873.5866.0866.0857.6757.6952.28
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue89.785.782.082.2101.4101.599.6100.0100.6100.697.597.897.597.596.596.797.197.195.294.995.495.697.497.397.897.892.10.00.00.00.00.00.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber

us-gaap:StockAppreciationRightsSARS


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312013-12-312012-12-31
Value1729900.02099000.02161600.02377500.02386200.02568300.02337000.02369900.02414300.02487400.02351600.02392200.02444400.02588400.02238600.02278900.02327200.02411700.02439500.02685600.03101200.03265000.02567000.02612800.02480700.02715700.03142000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized


Share
Period End2020-12-31
Value3400000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber

us-gaap:StockAppreciationRightsSARS


Share
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value1359500.01729200.01630900.01844900.01723400.01453900.01331600.01549400.02034300.01980800.02192800.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding us-gaap:AwardType

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding

us-gaap:StockAppreciationRightsSARS


Sharebased
Period End2021-06-302021-03-312020-12-312020-09-30
Value6952390.679
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding100.0100.0100.0100.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1 us-gaap:AwardType

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1

us-gaap:StockAppreciationRightsSARS


Sharebased
Period End2021-06-302021-03-312020-12-312020-09-30
Value5342260.679
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1100.0100.0100.0100.0

us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1 us-gaap:AwardType

us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1

us-gaap:StockAppreciationRightsSARS


Sharebased
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value64.7361.8962.7262.3259.057.9356.9653.3549.3644.0640.94
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockRepurchaseProgramAuthorizedAmount1

us-gaap:StockRepurchaseProgramAuthorizedAmount1


Stock
Period End2020-12-312019-12-312018-12-312017-12-312014-12-31
Value400400400300300
Percentage of StockRepurchaseProgramAuthorizedAmount1100.0100.0100.0100.0100.0

us-gaap:TaxCreditCarryforwardAmount

us-gaap:TaxCreditCarryforwardAmount


Tax
Period End2020-09-30
Value59
Percentage of TaxCreditCarryforwardAmount100.0

us-gaap:TaxCreditCarryforwardValuationAllowance

us-gaap:TaxCreditCarryforwardValuationAllowance


Tax
Period End2020-09-30
Value41
Percentage of TaxCreditCarryforwardValuationAllowance100.0

us-gaap:TaxesPayableCurrentAndNoncurrent us-gaap:IncomeTaxAuthority

us-gaap:TaxesPayableCurrentAndNoncurrent

us-gaap:InternalRevenueServiceIRS


Taxes
Period End2020-12-312019-12-312018-12-312017-12-31
Value63364365
Percentage of TaxesPayableCurrentAndNoncurrent100.0100.0100.0100.0

us-gaap:TreasuryStockCommonShares us-gaap:ShareRepurchaseProgram

us-gaap:TreasuryStockCommonShares

us-gaap:TreasuryStockCommon


Treasury
Period End2020-12-312020-03-312019-12-312019-03-31
Value5459000.0365270.05459000.0365270.0
Percentage of TreasuryStockCommonShares100.0100.0100.0100.0

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
Value2121212121212121211818161616161615141414202020201918180.00.00.0180.00.00.018181817171717171717
Percentage of TreasuryStockShares100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UndistributedEarningsOfForeignSubsidiaries

us-gaap:UndistributedEarningsOfForeignSubsidiaries


Undistributed
Period End2020-12-312017-12-312016-12-312015-12-312014-12-31
Value1835884759623596
Percentage of UndistributedEarningsOfForeignSubsidiaries100.0100.0100.0100.0100.0

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAccrued

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAccrued


Unrecognized
Period End2020-12-31
Value1500000.0
Percentage of UnrecognizedTaxBenefitsIncomeTaxPenaltiesAccrued100.0

us-gaap:UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued

us-gaap:UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value5.50.10.81.82.22.1128.68.48.48.08.08.18.18.21111109.5
Percentage of UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312017-09-302017-06-302016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-31
Value290.11.31.76.06.07.54.54.54.56.2202523222321201919190.50.81.97.1
Percentage of UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate us-gaap:IncomeTaxAuthority

us-gaap:DomesticCountry


Unrecognized
Period End2020-12-31
Value4.2
Percentage of UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate14.4

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
Value232524212222
Percentage of ValuationAllowancesAndReservesBalance100.0100.0100.0100.0100.0100.0

us-gaap:ValuationAllowanceOfDeferredTaxAssets


Valuation
Period End2020-12-312019-12-312018-12-312017-12-31
Value605.8544.0722.518
Percentage of ValuationAllowancesAndReservesBalance253.623.016.611.8

wcc:AccountsReceivableEligibleForSecuritization us-gaap:LongtermDebtType

wcc:AccountsReceivableEligibleForSecuritization

wcc:AccountsReceivableSecuritizationFacility


Accounts
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1476809758751657684673586601613537
Percentage of AccountsReceivableEligibleForSecuritization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

wcc:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPlanTax

wcc:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPlanTax


Accumulated
Period End2020-12-312019-12-31
Value562000.0-2329000.0
Percentage of AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPlanTax100.0100.0

wcc:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseAssets us-gaap:BusinessAcquisition

wcc:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseAssets

wcc:AnixterInternational


Business
Period End2021-06-222020-06-22
Value280262
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseAssets100.0100.0

wcc:DeferredTaxAssetsLeaseLiabilities

wcc:DeferredTaxAssetsLeaseLiabilities


Deferred
Period End2020-12-312019-12-31
Value13461
Percentage of DeferredTaxAssetsLeaseLiabilities100.0100.0

wcc:DisposalGroupIncludingDiscontinuedOperatingLeaseAssets

wcc:DisposalGroupIncludingDiscontinuedOperatingLeaseAssets


Disposal
Period End2020-12-31
Value1938000.0
Percentage of DisposalGroupIncludingDiscontinuedOperatingLeaseAssets100.0

wcc:DisposalGroupIncludingDiscontinuedOperationOperatingLeaseLiabilities

wcc:DisposalGroupIncludingDiscontinuedOperationOperatingLeaseLiabilities


Disposal
Period End2020-12-31
Value1537000.0
Percentage of DisposalGroupIncludingDiscontinuedOperationOperatingLeaseLiabilities100.0

wcc:LesseeOperatingLeaseLeaseNotYetCommencedPayments

wcc:LesseeOperatingLeaseLeaseNotYetCommencedPayments


Lessee
Period End2020-12-31
Value2600000.0
Percentage of LesseeOperatingLeaseLeaseNotYetCommencedPayments100.0

wcc:OptionToExtendLesseesOperatingLeaseLeasePayments

wcc:OptionToExtendLesseesOperatingLeaseLeasePayments


Option
Period End2020-12-31
Value17
Percentage of OptionToExtendLesseesOperatingLeaseLeasePayments100.0

wcc:SeniorNotesTenderOfferConsiderationPer1000PrincipalAmount us-gaap:LongtermDebtType

wcc:SeniorNotesTenderOfferConsiderationPer1000PrincipalAmount

wcc:A550SeniorNotesDue2023


Senior
Period End2020-12-312020-06-23
Value50.01012.5
Percentage of SeniorNotesTenderOfferConsiderationPer1000PrincipalAmount100.0100.0

Line plots across dimensions of each concept


us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities
(None,)
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amountus-gaap: Antidilutive Securities Excluded From Computation Of Earnings Per Share By Antidilutive Securities
Operating Margin
us-gaap:StatementBusinessSegments
(None,)
Operating  Marginus-gaap: Statement Business Segments
TTM Greenblatt ROC
_
(None,)
T T M  Greenblatt  R O C_
us-gaap:OperatingIncomeLoss
us-gaap:StatementBusinessSegments
(None,)
Operating Income Lossus-gaap: Statement Business Segments
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:StatementGeographical
(None,)
Revenue From Contract With Customer Excluding Assessed Taxus-gaap: Statement Geographical
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:StatementBusinessSegments
(None,)
Revenue From Contract With Customer Excluding Assessed Taxus-gaap: Statement Business Segments
us-gaap:Assets
us-gaap:StatementBusinessSegments
(None,)
Assetsus-gaap: Statement Business Segments
us-gaap:NoncurrentAssets
us-gaap:StatementGeographical
(None,)
Noncurrent Assetsus-gaap: Statement Geographical
us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType
(None,)
Property Plant And Equipment Grossus-gaap: Property Plant And Equipment By Type
us-gaap:PropertyPlantAndEquipmentNet
us-gaap:PropertyPlantAndEquipmentByType
(None,)
Property Plant And Equipment Netus-gaap: Property Plant And Equipment By Type
us-gaap:Goodwill
us-gaap:StatementBusinessSegments
(None,)
Goodwillus-gaap: Statement Business Segments
us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
(None,)
Finite Lived Intangible Assets Netus-gaap: Finite Lived Intangible Assets By Major Class
us-gaap:LongTermDebt
us-gaap:LongtermDebtType
(None,)
Long Term Debtus-gaap: Longterm Debt Type