KLAC


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

Table of contents



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

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:IncomeStatementLocation

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:CostOfRevenue

us-gaap:GrossProfit
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxesPaid

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

us-gaap:InterestPaidNet

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

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

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

us-gaap:ProfitLoss

us-gaap:ResearchAndDevelopmentExpense

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ProductOrService
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
us-gaap:StatementGeographical

us-gaap:Revenues

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:Assets

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:AssetsCurrent

us-gaap:Cash

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:AccountsReceivableNetCurrent

us-gaap:InventoryNet

us-gaap:InventoryFinishedGoods

us-gaap:OtherAssetsCurrent

us-gaap:Land

us-gaap:MachineryAndEquipmentGross

us-gaap:NoncurrentAssets
us-gaap:StatementGeographical

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:FurnitureAndFixturesGross

us-gaap:ConstructionInProgressGross

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AmortizationOfIntangibleAssets
us-gaap:IncomeStatementLocation

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:Goodwill
us-gaap:ReportingUnit
us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass
us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OtherAssetsNoncurrent

us-gaap:AccountsPayableCurrent

us-gaap:LiabilitiesCurrent

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:OtherLiabilitiesCurrent

us-gaap:TaxesPayableCurrent

us-gaap:LongTermDebt

us-gaap:LongTermDebtNoncurrent

us-gaap:UnsecuredLongTermDebt

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:MinorityInterest

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:OperatingLeaseLiability

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:CommonStocksIncludingAdditionalPaidInCapital

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:MinorityInterest

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:DepreciationDepletionAndAmortization

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInInventories

us-gaap:NetCashProvidedByUsedInOperatingActivities

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

us-gaap:ProfitLoss

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:RepaymentsOfLongTermDebt
us-gaap:CreditFacility, us-gaap:LongtermDebtType

us-gaap:PaymentsOfDividends

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:EffectiveIncomeTaxRateContinuingOperations
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
us-gaap:AwardType, us-gaap:PlanName
us-gaap:PlanName

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxAssetsNet

us-gaap:UnrecognizedTaxBenefits

us-gaap:DeferredTaxAssetsValuationAllowance

klac:AcquisitionRelatedChargesCorporateAllocationsAndEffectsOfForeignExchangeRates

klac:ContractWithCustomerLiabilityIncludingNewContractRevenueRecognized

klac:CostOfRevenueAndOperatingExpense
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
us-gaap:Range, us-gaap:DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTypeOfDeferredCompensation
klac:DeferredCompensationArrangementWithIndividualPercentageOfEqualVestingInstallments
us-gaap:IncomeStatementLocation
klac:GainLossonDeferredCompensationPlanAssets

klac:GuaranteeArrangementsToFundCustomsGuaranteesForVatAndLc

klac:IncreaseDecreaseInAccountsReceivableExcludingAcquisitionRelated

klac:IncreaseDecreaseInAccountsReceivablePercentage

klac:IncreaseDecreaseInContractWithCustomerAssetPercentage

klac:IncreaseDecreaseInContractWithCustomerLiabilityPercentage

klac:IncreaseDecreaseInContractWithCustomerLiabilityServiceRevenue

klac:IncreaseDecreaseInContractWithCustomerLiabilitySystemRevenue
us-gaap:IncomeStatementLocation
klac:IncreaseDecreaseInDeferredCompensationLiabilities
us-gaap:IncomeStatementLocation
klac:IncreaseDecreaseinDeferredCompensationLiabilities
us-gaap:DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTypeOfDeferredCompensation
klac:LongTermIncentivePlanAuthorizedAmount

klac:NoncashOrPartNoncashAcquisitionContingentConsiderationPayableReceivable

klac:NoncashTransactionIncreaseDecreaseInDividendsPayable

klac:OutstandingGuaranteeArrangementsToFundCustomsGuaranteesForVatAndLc

klac:ReceivablesSoldUnderFactoringAgreements
us-gaap:MajorCustomers
klac:SegmentPercentOfTotalRevenue
us-gaap:AwardType, us-gaap:PlanName
klac:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentOtherThanOptionsTradedForTaxesPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType
klac:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodAdjustment
us-gaap:AwardType, us-gaap:PlanName
us-gaap:PlanName
us-gaap:AwardType, us-gaap:PlanName
klac:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodAdjustmentWeightedAverageGrantDateFairValue
us-gaap:AwardType, us-gaap:PlanName
klac:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsWithheldForTaxes

klac:StockRepurchaseProgramUnsettledCommonStockRepurchase
us-gaap:AwardType
klac:TaxBenefitsFromESPP
us-gaap:AwardType
klac:TaxBenefitsFromEspp
us-gaap:AwardType
klac:WeightedAverageFairValuePerShare
us-gaap:Dividends, us-gaap:SubsequentEventType
us-gaap:CommonStockDividendsPerShareDeclared
us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType
us-gaap:ConcentrationRiskPercentage1
us-gaap:MajorCustomers, us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType
us-gaap:ProductOrService, us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType
us-gaap:StatementGeographical, us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType

us-gaap:ContractWithCustomerAssetCumulativeCatchUpAdjustmentToRevenueModificationOfContract

us-gaap:ContractWithCustomerAssetReclassifiedToReceivable

us-gaap:ContractWithCustomerLiabilityRevenueRecognized
us-gaap:DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTypeOfDeferredCompensation
us-gaap:DeferredCompensationArrangementWithIndividualCompensationExpense
us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation
us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet

us-gaap:DividendsCommonStockCash
us-gaap:StatementEquityComponents

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense

us-gaap:ForeignCurrencyTransactionGainLossUnrealized

us-gaap:GainLossOnSaleOfBusiness
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:GoodwillForeignCurrencyTranslationGainLoss
us-gaap:ReportingUnit

us-gaap:GoodwillWrittenOffRelatedToSaleOfBusinessUnit
us-gaap:ReportingUnit
us-gaap:IncomeTaxAuthority, us-gaap:IncomeTaxAuthorityName
us-gaap:IncomeTaxExaminationEstimateOfPossibleLoss

us-gaap:IncreaseDecreaseInContractWithCustomerAsset

us-gaap:IncreaseDecreaseInContractWithCustomerLiability

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities

us-gaap:MinorityInterestDecreaseFromRedemptions
us-gaap:StatementEquityComponents

us-gaap:NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1

us-gaap:OperatingLeaseExpense

us-gaap:OperatingLeasePayments

us-gaap:OtherAssetImpairmentCharges

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax
us-gaap:DebtInstrument, us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation, us-gaap:UnderlyingAssetClass
us-gaap:DerivativeInstrumentRisk

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax
us-gaap:DebtInstrument, us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation
us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation
us-gaap:OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAdjustmentsBeforeTax
us-gaap:DerivativeInstrumentRisk
us-gaap:OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseBeforeAdjustmentsAndTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax
us-gaap:DerivativeInstrumentRisk
us-gaap:OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossBeforeReclassificationAndTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt

us-gaap:PaymentsToAcquireOtherInvestments

us-gaap:ProceedsFromDebtNetOfIssuanceCosts

us-gaap:ProceedsFromDivestitureOfBusinesses
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:ProceedsFromIssuanceOfCommonStock
us-gaap:AwardType
us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions

us-gaap:ProceedsFromLinesOfCredit
us-gaap:CreditFacility, us-gaap:LongtermDebtType
us-gaap:ProceedsFromLongTermLinesOfCredit

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities

us-gaap:ProceedsFromSaleAndMaturityOfMarketableSecurities

us-gaap:ProceedsFromSaleAndMaturityOfOtherInvestments

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt

us-gaap:ProceedsFromSaleOfProductiveAssets
us-gaap:StatementEquityComponents
us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax
us-gaap:StatementEquityComponents
us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax

us-gaap:RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty
us-gaap:LongtermDebtType
us-gaap:RepaymentsOfDebt
us-gaap:ShortTermDebtType

us-gaap:RestructuringCharges

us-gaap:RestructuringReserveAcceleratedDepreciation

us-gaap:RevenueFromRelatedParties

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
us-gaap:AwardType, us-gaap:PlanName
us-gaap:PlanName
us-gaap:AwardType, us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType, us-gaap:PlanName
us-gaap:AwardType, us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue
us-gaap:AwardType, us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesPurchasedForAward
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:StockRepurchasedDuringPeriodShares

us-gaap:StockRepurchasedDuringPeriodValue
us-gaap:StatementEquityComponents

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment

dei:EntityPublicFloat

klac:AOCICashFlowHedgeCumulativeGainLossBeforeTax

klac:BuildingsAndLeaseholdImprovements

klac:BuildingsAndLeaseholdImprovementsGross
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
klac:BusinessCombinationContingentConsiderationLiabilityDeferredPayment
us-gaap:FairValueByMeasurementFrequency

klac:CashCashEquivalentsAndAvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGain
us-gaap:FinancialInstrument

klac:CashCashEquivalentsAndAvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLosses
us-gaap:BalanceSheetLocation
us-gaap:FinancialInstrument

klac:CashCashEquivalentsAndAvailableForSaleDebtSecuritiesExcludingTimeDeposits
us-gaap:BalanceSheetLocation
us-gaap:FinancialInstrument

klac:CashCashEquivalentsAndAvailableForSaleDebtSecuritiesExcludingTimeDepositsAmortizedCost
us-gaap:BalanceSheetLocation
us-gaap:FinancialInstrument

klac:CashCashEquivalentsAndAvailableforsaleDebtSecuritiesAccumulatedGrossUnrealizedGain
us-gaap:BalanceSheetLocation
us-gaap:FinancialInstrument

klac:CashCashEquivalentsAndAvailableforsaleDebtSecuritiesAccumulatedGrossUnrealizedLosses
us-gaap:FinancialInstrument

klac:CashCashEquivalentsandAvailableforsaleDebtSecuritiesExcludingTimeDeposits
us-gaap:BalanceSheetLocation
us-gaap:FinancialInstrument

klac:CashCashEquivalentsandAvailableforsaleDebtSecuritiesExcludingTimeDepositsAmortizedCost
us-gaap:BalanceSheetLocation
us-gaap:FinancialInstrument
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
klac:CashEquivalentsAndMarketableSecuritiesFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency

klac:ContractWithCustomerLiabilityCurrentServiceRevenue

klac:ContractWithCustomerLiabilityCurrentSystemRevenue
us-gaap:CreditFacility, us-gaap:LongtermDebtType
klac:DebtInstrumentCovenantComplianceMaximumLeverageRatio

klac:DebtLongTermAndShortTermCombinedAmountGross

klac:DebtSecuritiesAvailableForSaleAndEquitySecuritiesAccumulatedGrossUnrealizedGain

klac:DebtSecuritiesAvailableForSaleAndEquitySecuritiesAccumulatedGrossUnrealizedLoss

klac:DebtSecuritiesAvailableForSaleAndEquitySecuritiesAmortizedCost

klac:DebtSecuritiesAvailableForSaleAndEquitySecuritiesFairValue

klac:DebtSecuritiesAvailableForSaleMaturityAllocatedAndSingleMaturityDateAfterOneThroughThreeYearsAmortizedCost

klac:DebtSecuritiesAvailableForSaleMaturityAllocatedAndSingleMaturityDateAfterOneThroughThreeYearsFairValue

klac:DebtSecuritiesAvailableforsaleMaturityAllocatedandSingleMaturityDateafterOneThroughThreeYearsAmortizedCost

klac:DebtSecuritiesAvailableforsaleMaturityAllocatedandSingleMaturityDateafterOneThroughThreeYearsFairValue
us-gaap:DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTypeOfDeferredCompensation
klac:DeferredCompensationArrangementWithIndividualUnrecognizedCompensationLiability

klac:DeferredTaxAssetsTaxCreditsAndNetOperatingLosses

klac:EquitySecuritiesFVNIAccumulatedGrossUnrealizedGain
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
klac:ExecutiveDeferredSavingsPlan
us-gaap:FairValueByMeasurementFrequency

klac:FiniteLivedIntangibleAssetExpectedAmortizationYearFiveAndThereafter

klac:FiniteLivedIntangibleAssetsAccumulatedAmortizationAndOtherAccumulatedAdjustment
us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass
klac:IndefiniteLivedIntangibleAssetsExcludingGoodwillNetOfOtherAccumulatedAdjustment
us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass
klac:IntangibleAssetsOtherAccumulatedAdjustments

klac:LesseeOperatingLeaseLiabilityToBePaidAfterYearFour

klac:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFour

klac:LongTermIncentivePlanCommittedAmount

klac:MarketableSecuritiesExcludingTimeDepositsAmortizedCost

klac:MarketableSecuritiesExcludingTimeDepositsFairValue

klac:MoneyMarketFundsAndOther

klac:OtherLiabilitiesMiscellaneousNoncurrent
us-gaap:Range
klac:RevenuePaymentTermsRequiredPaymentPercentageOfTotalContractConsiderationWithin30To60DaysOfShipment

klac:StockBasedCompensationCapitalizedAsInventory

klac:TimeDepositFairValue

klac:TimeDepositsCashEquivalentsFairValue

klac:UndistributedEarningsForCertainForeignSubsidiaries

us-gaap:AccountsReceivableGrossCurrent

us-gaap:AccountsReceivableRelatedPartiesCurrent

us-gaap:AccruedIncomeTaxesNoncurrent

us-gaap:AccruedMarketingCostsCurrent

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:AssetsFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue

us-gaap:AvailableForSaleSecuritiesDebtSecurities
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesDebtSecuritiesCurrent
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationContingentConsiderationLiability
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationContingentConsiderationLiabilityCurrent
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationContingentConsiderationLiabilityNoncurrent
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilities

us-gaap:CapitalizedContractCostNet
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:CashAndCashEquivalentsFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:CashEquivalentsAtCarryingValue

us-gaap:ContractWithCustomerAssetNetCurrent

us-gaap:ContractWithCustomerLiability

us-gaap:ContractWithCustomerLiabilityNoncurrent

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

us-gaap:DebtInstrumentUnamortizedDiscount
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:ShortTermDebtType
us-gaap:DebtInstrumentUnamortizedDiscountPremiumNet

us-gaap:DebtLongtermAndShorttermCombinedAmount

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPosition
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss
us-gaap:FinancialInstrument

us-gaap:DeferredCompensationPlanAssets

us-gaap:DeferredFinanceCostsNet

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredTaxAssetsDeferredIncome

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves

us-gaap:DeferredTaxAssetsUnrealizedLossesOnAvailableforSaleSecuritiesGross

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DeferredTaxLiabilitiesTaxDeferredIncome

us-gaap:DeferredTaxLiabilitiesUndistributedForeignEarnings

us-gaap:DeferredTaxLiabilityNotRecognizedAmountOfUnrecognizedDeferredTaxLiabilityUndistributedEarningsOfForeignSubsidiaries

us-gaap:DefinedBenefitPensionPlanLiabilitiesCurrent

us-gaap:DefinedBenefitPensionPlanLiabilitiesNoncurrent

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax

us-gaap:DefinedBenefitPlanBenefitObligation

us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear

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

us-gaap:DefinedBenefitPlanFundedStatusOfPlan

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation

us-gaap:DerivativeAssetFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection

us-gaap:DerivativeAssetNotOffsetPolicyElectionDeduction

us-gaap:DerivativeAssets
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency

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

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

us-gaap:DerivativeLiabilities
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency

us-gaap:DerivativeLiabilityFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection

us-gaap:DerivativeLiabilityNotOffsetPolicyElectionDeduction
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation, us-gaap:Position
us-gaap:DerivativeNotionalAmount
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:Position
us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation, us-gaap:Position
us-gaap:AwardType
us-gaap:DividendsPayableCurrentAndNoncurrent
us-gaap:AwardType, us-gaap:Dividends

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

us-gaap:EquitySecuritiesFvNiCost

us-gaap:EquitySecuritiesFvNiCurrentAndNoncurrent

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsGross
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:GoodwillImpairedAccumulatedImpairmentLoss

us-gaap:IntangibleAssetsGrossExcludingGoodwill

us-gaap:InterestAndDividendsPayableCurrent

us-gaap:InterestBearingDepositsInBanks
us-gaap:DebtInstrument, us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation, us-gaap:UnderlyingAssetClass
us-gaap:InterestRateCashFlowHedgeAssetAtFairValue
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation, us-gaap:UnderlyingAssetClass

us-gaap:InventoryRawMaterials

us-gaap:InventoryWorkInProcess
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:InvestmentsFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:LiabilitiesFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear
us-gaap:Ownership
us-gaap:MinorityInterestOwnershipPercentageByParent
us-gaap:DebtInstrument
us-gaap:NotesPayable
us-gaap:DebtInstrument, us-gaap:ShortTermDebtType

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent
us-gaap:BusinessAcquisition, us-gaap:IncomeTaxAuthority
us-gaap:OperatingLossCarryforwards
us-gaap:IncomeTaxAuthority
us-gaap:IncomeTaxAuthority
us-gaap:OperatingLossCarryforwardsValuationAllowance

us-gaap:OtherAssetsMiscellaneousCurrent

us-gaap:OtherAssetsMiscellaneousNoncurrent

us-gaap:OtherInventoriesSpareParts

us-gaap:PrepaidExpenseCurrent

us-gaap:PrepaidTaxes

us-gaap:PurchaseCommitmentRemainingMinimumAmountCommitted

us-gaap:RestructuringReserve

us-gaap:RevenueRemainingPerformanceObligation
us-gaap:Range
us-gaap:RevenueRemainingPerformanceObligationPercentage
us-gaap:AwardType, us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
us-gaap:AwardType, us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
us-gaap:AwardType
us-gaap:AwardType, us-gaap:PlanName
us-gaap:PlanName
us-gaap:TitleOfIndividual, us-gaap:AwardType

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding
us-gaap:AwardType

us-gaap:SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit

us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1
us-gaap:BusinessAcquisition, us-gaap:TaxCreditCarryforward
us-gaap:TaxCreditCarryforwardAmount

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued

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

Plots across concepts


IncomeStatement
Other Comprehensive Income Loss Net Of Tax
Expenses
Allocated Share Based Compensation Expense
Balance Sheet
Operating Lease Right Of Use Asset
Assets
Derivative Assets
Current Assets
Other Assets Current
NonCurrent Assets
Operating Lease Right Of Use Asset
PropertyPlantAndEquipmentNet
Property Plant And Equipment Net
Liabilities
Derivative Liabilities
Current Liabilities
Short Term Borrowings
Noncurrent Liabilities
Minority Interest
Stockholders Equity
Accumulated Other Comprehensive Income Loss Net Of Tax
CashFlow
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInOperatingActivities
Share Based Compensation
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInFinancingActivities
Net Cash Provided By Used In Financing Activities
Shares
Common Stock Shares Outstanding
DividendsAndRepurchase
Dividends Common Stock Cash
OperatingLeaseLiability
Operating Lease Liability Current
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Undiscounted Excess Amount
FiniteLivedIntangibleAssets
Finite Lived Intangible Assets Accumulated Amortization
InventoryNet
Inventory Finished Goods
AccountsReceivable
Allowance For Doubtful Accounts Receivable Current

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
us-gaap:CommonStockValue 0.153NANANA0.155NANANA0.159NANANA0.156NANANA0.157NANANA0.156NANANA0.158NANANA0.165NANANA0.165NANANA0.167NANANA0.167NANANA0.168NANANA
 us-gaap:SharesOutstanding us-gaap:StatementEquityComponents us-gaap:CommonStock▂▂▃▃▄▃▅▅▆█▁▂▄▄▅▅▅152.776153.359154.161154.606155.461155.049156.849158.097159.475161.912151.364153.599156.048155.872156.662156.741156.84NANANA155.995NANANA157.851NANANA165.448NANANANANANANANANANANANANANANANANANANA
us-gaap:CommonStockSharesIssued 278.435NANANA277.526NANANA276.202NANANA262.718NANANA261.654NANANA260.619NANANA259.007NANANA257.542NANANA253.495NANANA249.52NANANA244.281NANANA239.132NANANA
us-gaap:CommonStockSharesOutstanding 152.776NANANA155.461NANANA159.475NANANA156.048NANANA156.84NANANA155.955NANANA157.851NANANA165.448NANANA165.435NANANA166.71NANANA167.118NANANA168.043NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding NA155.159155.56156.442NA157.172158.62160.131NA157.182152.648156.083NA157.201156.587157.846NA157.746157.123157.021NA156.429155.996157.984NA162.794165.317166.58NA167.989168.206168.734NA169.18169.076169.824NA170.146169.103169.835NA171.313169.513169.839NA173.357173.808NA
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic NA153.801154.273155.281NA156.067157.29158.697NA156.349152.148155.221NA156.221156.587156.826NA156.749156.335156.129NA155.69155.252156.82NA161.559164.036164.845NA166.253166.414165.886NA166.234166.268166.531NA167.07166.343166.684NA167.629166.886167.187NA171.506171.408NA
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount NANANA0.169NA0.0010.0430.0NA0.10.3410.207NA0.00.00.0NA0.00.0020.045NA0.00.1390.307NA0.2450.0320.073NA0.00.00.03NA0.9671.6181.717NA1.9063.616.635NA4.668.62210.34NA11.5110.948NA
us-gaap:EarningsPerShareBasic █▇▆▆▆▃▆▅▄▄▆▆▅▅▁▅▄▄▄▄▅▄▄▃▃▃▂▃▃▄▃▃▃▄▃▃▄▄▃▄▄▄▄▃▃▃▂▂4.143.692.962.712.650.52.422.181.361.232.432.552.241.96-0.861.791.641.621.521.141.741.130.980.670.90.810.120.440.781.220.840.670.811.00.640.811.481.230.671.151.461.251.110.920.670.330.130.12
us-gaap:EarningsPerShareDiluted █▇▆▆▆▃▆▅▄▄▆▆▅▅▁▅▄▄▄▄▅▄▄▃▃▃▂▃▃▄▃▃▃▄▃▃▄▄▃▄▄▄▄▃▃▃▂▂4.13.662.942.692.630.52.42.161.351.232.422.542.221.95-0.861.781.621.611.521.131.731.120.980.660.890.810.120.430.771.210.830.660.80.980.630.81.461.210.661.131.431.221.090.910.660.330.130.12
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
 Gross Margin us-gaap:ConsolidationItems us-gaap:OperatingSegments█▇▆▅▄▄▄▄▂▁▁▁1925.4731803.2151650.4871538.2251459.5851423.741509.3321413.5541258.4691097.3061120.1231093.574NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Gross Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,klac:PCBDisplayAndComponentInspectionNA205.202179.267181.177202.209160.411186.279178.552184.62398.46226.1123.615NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Gross Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,klac:SemiconductorProcessControlNA1506.141380.1841267.9541156.6071177.7771247.431163.6321002.545914.3051094.0131069.959NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Gross Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,klac:SpecialtySemiconductorProcessNA91.72490.58788.954100.37285.08375.10669.13966.77684.388NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Gross Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,us-gaap:AllOtherSegmentsNA0.1490.4490.140.3970.4690.5172.2314.5250.151NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
us-gaap:AllocatedShareBasedCompensationExpense ▆▇▆▆▆▇▆▆▆█▃▃▄▃▂▂▂▂▂▂▂▁▂▂▂▂▃▃▂▂▃▄▃▄▃▄▃▄▄▄▄▄▄▅▅▄27.6930.32726.82726.99226.37831.2726.78926.94428.16834.19315.69516.13818.80416.2113.73914.03114.48512.53612.44411.47812.2929.18511.32512.24812.20412.76714.84815.48314.12812.72314.8719.21917.60618.53614.95818.98417.77920.91419.64620.49618.93918.84719.43124.21323.45921.469NANA
us-gaap:ComprehensiveIncomeNetOfTax █▇▆▆▆▃▆▅▄▄▅▆▅▅▁▅▅▅▄▄▅▄▄▃▄▃▂▃▃▄▄▃▃▄▃▄▄▄▃▄▅▄▄▄▃▃627.894569.727463.993420.895419.77356.916385.652347.699213.723194.268354.82404.555349.111305.126-136.06281.478253.723256.834232.728180.153265.879183.273147.82599.333139.253129.58420.71766.302129.81202.479140.889115.952122.951156.613104.683143.399234.691208.102107.05187.429251.139214.644187.22170.38899.92255.851NANA
us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest █▅▆▅▁▄▆▇▄▇▇▇▇▇0.08-0.326-0.268-0.425-0.938-0.443-0.25-0.129-0.517-0.0830.00.00.00.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:CostOfRevenue █▇▇▆▆▆▆▆▆▄▃▃▃▃▃▃▃▃▂▂▃▂▂▂▂▂▂▂▂▃▂▂▂▂▂▂▃▃▂▃▃▂▂▂▁▁▁772.241709.629669.733620.562621.544590.158633.618604.241592.785486.945408.26381.387377.898368.688347.334353.449347.93343.274318.507277.836337.568274.599280.98270.244323.267320.282283.213288.467326.665342.826285.814277.657306.804309.508303.915317.225361.663355.149272.855340.349356.18327.696311.398263.969227.919208.565207.286NA
us-gaap:GrossProfit ██▇▆▆▆▆▆▅▄▅▅▅▄▄▄▄▄▄▃▄▃▃▂▃▃▃▂▃▃▃▂▃▃▂▃▄▃▂▃▄▃▃▃▂▂▁▁1153.231094.144981.137918.058838.049833.806875.835809.173665.65610.366711.638711.873692.106652.606628.488616.132590.717570.535558.378472.837581.603437.834429.265372.4433.065418.177393.144354.434407.678488.773419.315380.68413.228419.521369.096403.484530.802485.372369.627456.127536.259506.363454.929418.373331.5269.734233.069170.795
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments █▇▆▆▅▂▅▅▃▃▅▅▅▅▄▄▄▄▄▃▄▃▃▂▃▃▁▂▃▄▃▂▃▃▂▃▄▄▂▃▄▄▄▃▃▂▁708.843640.403527.402483.806405.069115.199424.927371.516231.31221.39415.963427.568406.489365.983347.307336.152325.032319.149306.845222.22328.487209.931185.475134.299174.938166.454-6.26899.007166.606251.246176.745139.864177.09192.115144.874176.542305.892274.033146.907247.262334.043301.52251.191223.312150.10280.27138.016NA
us-gaap:IncomeTaxExpenseBenefit ▂▂▂▂▁▂▂▂▂▂▂▂▂▂█▂▂▂▂▂▂▂▂▂▂▂▁▂▂▂▂▂▂▂▂▂▂▂▂▂▃▃▂▂▂▂▂75.78573.23370.41963.664-5.24637.1944.62225.1213.98228.74546.86331.62457.72259.102481.62655.21668.8765.58768.59444.11956.94634.15433.26829.40232.91934.816-26.53626.77437.87547.66537.49928.66742.3225.73338.24441.17558.01568.68736.1155.26789.02691.73765.69969.11637.01723.25516.222NA
us-gaap:IncomeTaxesPaid NA100.65759.76454.185NA91.97250.88419.862NA51.88587.85424.962NA74.314123.62523.858NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:InterestExpense █████████▆▄▄▅▅▅▅▅▅▅▅▆▆▅▅▅▅▆▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁39.9739.09238.8839.38640.22139.23140.47240.3540.51731.18726.53826.36228.30928.11927.37230.57630.64830.47230.62430.73230.88930.89530.53930.56430.67930.50831.30113.52113.44313.39613.31113.66213.77313.46913.43113.50313.50313.50513.29613.89313.89713.40913.49313.52913.42614.09213.542NA
us-gaap:InterestPaidNet ▆▆▆▆▆▅█▄▇▁▇▁█▁█▁█▁█▁█▁█▁█▂▅▁▄▁▄▁▄▁▄▁▄▁▄▁▄▁▄▁▄▁37.2239.9836.92540.07137.98935.17653.13926.34751.5443.85651.1360.53753.212.3355.6933.00556.8653.11756.7733.24357.0913.48256.7113.14955.4134.34133.0920.13626.0380.13526.0840.21726.5740.20426.6820.23326.760.24826.9040.61126.0760.29626.0950.35226.0060.102NANA
us-gaap:NetIncomeLoss █▇▆▆▆▃▆▅▄▄▆▆▅▅▁▅▅▅▄▄▅▄▄▃▄▃▂▃▃▄▃▃▃▄▃▃▄▄▃▄▄▄▄▄▃▃▂▂632.978567.496457.251420.567411.25378.452380.555346.525217.845192.728369.1395.944348.767306.881-134.319280.936256.162253.562238.251178.101271.541175.777152.207104.897142.019131.63820.26872.233128.731203.581139.246111.197134.77166.382106.63135.367247.877205.346110.797191.995245.017209.783185.492154.196113.08557.01621.79420.405
us-gaap:NetIncomeLossAttributableToNoncontrollingInterest █▅▆▅▁▄▆▇▄▇▇▇▇▇0.08-0.326-0.268-0.425-0.938-0.443-0.25-0.129-0.517-0.0830.00.00.00.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax ▆█▆▆▇▁▇▇-0.7594.87-0.19-0.7640.132-17.4212.0030.761NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax ▄▂█▆▅▁▅▂0.739-2.4968.1145.0373.187-3.6552.597-2.045NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherComprehensiveIncomeLossNetOfTax ▅▇█▆█▁▇▆▅▆▃█▆▆▆▆-5.0842.2316.7420.3288.52-21.5365.0971.174-4.1221.54-14.288.6110.344-1.755-1.7410.542NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents us-gaap:AccumulatedOtherComprehensiveIncomeNA2.2316.7420.328NA-21.5365.0971.174NA1.54-14.288.611NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents us-gaap:ParentNA2.2316.7420.328NA-21.5365.0971.174NA1.54-14.288.611NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherNonoperatingIncomeExpense █▄▂▂▁▃▃▃29.0337.348-3.882-3.197-7.8681.0042.5681.618NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ProfitLoss █▇▆▆▆▃▆▅▄▄▆▆▅▅▁▅633.058567.17456.983420.142410.31578.009380.305346.396217.328192.645369.1395.944348.767306.881-134.319280.936NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ResearchAndDevelopmentExpense ██▇▇▇▇▇▇▆▅▅▄▄▄▄▄▃▃▃▃▃▂▃▃▃▃▃▄▃▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▁▁▁241.428238.957229.064219.038217.1215.433220.751210.58206.71184.887165.903153.53151.951153.284156.745146.732136.555130.17130.912129.233127.454115.589118.272119.943128.839124.583133.557143.637138.448134.161134.587132.273127.694118.788121.608119.742118.71110.102116.363107.762100.92995.61794.89794.7283.30984.74183.301NA
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax █▇▇▆▆▆▆▆▅▄▄▄▄▄▄▄▄▄▃▃▄▃▃▂▃▃▂▂▃▃▃▂▃▃▂▃▃▃▂▃▃▃▃▃▂▂▁▁1925.4711803.7731650.871538.621459.5931423.9641509.4531413.4141258.4351097.3111119.8981093.261070.0041021.294975.822969.581938.647913.809876.885750.673919.171712.433710.245642.644756.332738.459676.357642.901734.343831.599705.129658.337720.032729.029673.011720.709892.465840.521642.482796.476892.439834.059766.327682.342559.419478.299440.355342.687
us-gaap:Revenues █▇▇▆▆▆▆▆▅▄▄▄▄▄▄▄▄▄▃▃▄▃▃▂▃▃▂▂▃▃▃▂▃▃▂▃▃▃▂▃▃▃▃▃▂▂▁▁1925.4711803.7731650.871538.621459.5931423.9641509.4531413.4141258.4351097.3111119.8981093.261070.0041021.294975.822969.581938.647913.809876.885750.673919.171712.433710.245642.644756.332738.459676.357642.901734.343831.599705.129658.337720.032729.029673.011720.709892.465840.521642.482796.476892.439834.059766.327682.342559.419478.299440.355342.687
us-gaap:SellingGeneralAndAdministrativeExpense █▇▇▇▆████▇▃▃▃▃▂▂▂▂▁▁▂▁▂▁▂▂▂▂▂▁▂▂▂▂▁▂▁▁▁▁▁▂▁▁▁▁▂192.022183.04181.909172.631167.791185.76192.253188.345190.04182.184112.462114.438116.649113.518105.546107.713105.16496.25293.53294.388103.79787.40796.53291.663101.73998.608104.873101.64496.21693.44996.74698.49697.89998.48794.24197.18593.79390.99693.80194.07691.26198.96791.16688.03787.34993.714102.673NA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
us-gaap:Assets ██▇▇▇▆▇▇▇▇▃▃▃▃▂▃▃▂▂▂▂▂▁▁▂▂▂▂▃▃▂▂▂▂▂▂▂▂▂▁▂▁▁10271.1249939.249814.6449320.0969279.968845.9469250.729229.3999008.5169187.6055605.2875645.1095619.3565598.1845407.2685690.3985532.1735324.4455094.4564996.0984962.4324782.1024572.5164571.3234826.0124902.224987.3665301.5725538.6645486.8515440.7345283.5525287.3575194.4735068.7635065.4765100.3084933.2044700.9884565.3174675.5214449.3434168.461NA3907.056NANANA
us-gaap:Liabilities ████████▇▇▄▄▄▄▄▄▄▄▄▄▅▅▄▅▅▅▅▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁6895.4826826.3766864.3386557.7516598.956520.756562.756549.786330.8236302.0174007.6654077.743998.8454228.0414181.6434226.4424205.7564177.1334129.364214.5894273.3184305.534206.8914276.8824404.5734408.2794385.2271771.8521869.3181846.9231890.5271792.3891805.2051748.091707.6271713.1641784.7131774.4391732.5161630.7221814.6281776.3261702.227NA1660.445NANANA
us-gaap:LiabilitiesAndStockholdersEquity ██▇▇▇▆▇▇▇▇▃▃▃▃▂▃▃▂▂▂▂▂▁▁▂▂▂▂▃▃▂▂▂▂▂▂▂▂▂▁▂▁▁10271.1249939.249814.6449320.0969279.968845.9469250.729229.3999008.5169187.6055605.2875645.1095619.3565598.1845407.2685690.3985532.1735324.4455094.4564996.0984962.4324782.1024572.5164571.3234826.0124902.224987.3665301.5725538.6645486.8515440.7345283.5525287.3575194.4735068.7635065.4765100.3084933.2044700.9884565.3174675.5214449.3434168.461NA3907.056NANANA
us-gaap:StockholdersEquity ▇▇▆▆▆▅▆▆▆▆▄▄▄▃▃▃▃▃▂▂▂▁▁▁▁▁▂███████▇▇▇▇▇▆▆▆▆3377.5543114.8562935.1822747.1842665.4242307.4332669.7642661.1632659.1082849.0931597.6221567.3691620.5111370.1431225.6251463.9561326.4171147.312965.096781.509689.114476.572365.625294.441421.439493.941602.1393529.723669.3463639.9283550.2073491.1633482.1523446.3833361.1363352.3123315.5953158.7652968.4722934.5952860.8932673.0172466.234NA2246.611NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
us-gaap:AssetsCurrent █▇▇▅▅▄▄▄▄▅▅▅▅▅▄▅▄▄▃▃▃▃▃▂▃▃▄▄▅▅▅▄▄▄▄▄▄▃▃▂▂▂▁5696.2485405.1655222.9544754.6994723.5454318.4654377.4434355.7494315.0754442.6284485.5144521.0444549.04540.5144353.9934559.4964392.0664253.334031.6393929.1623868.0323906.4733684.7053675.4183904.5763967.1114046.2484368.5374586.834542.3294507.5344354.7384351.5034263.6564136.34140.9574164.0433987.3273749.0593596.9193676.013430.8913126.311NA2835.465NANANA
us-gaap:Cash ██▇▆▆▅▅▆▆▅▂▆▆▇▆▄▄▄▄▄▄▄▃▂▂▂▁▁▁▁▁▂▁▂▁▁▁▂▂▂▂▂641.6654.5542.7471.2460.8444.5412.5503.5479.8446.7204.5467.6473.8553.2481.1360.0307.4344.0327.8320.5330.1322.2251.1196.8183.1158.8111.7105.3106.786.5122.8176.3125.5156.1125.7111.4126.0141.2192.4156.8165.856206.3NANA153.6NANANA
us-gaap:CashAndCashEquivalentsAtCarryingValue ▆▆▆▅▅▃▃▄▄▄█▇▆▅▄▅▄▃▃▃▄▃▃▂▃▂▁▂▂▂▂▃▄▃▂▂▂▂▃▂▂▂▁▁▁▁▁1434.611452.151431.4661215.821234.409946.175939.864988.3481015.9941092.1631793.9821649.5141404.3821255.6821073.3941320.6971153.051955.807937.033966.3251108.488925.974886.591763.697838.025621.892584.865669.683630.861776.223793.382904.949985.39934.201767.313709.942751.294763.913824.986745.947711.329638.758596.104538.384529.918543.505531.444NA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▅▅▅▃▃▁▁▁▂▂█▇▅▄1434.611452.151431.4661215.821234.409946.175939.864988.3481015.9941092.1631793.9821649.5141404.3821255.682NANA1153.051NANANA1108.488NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:AccountsReceivableNetCurrent █▇▇▆▆▇▇▆▅▅▃▂▃▃▄▃▂▃▃▃▂▃▁▁▂▃▃▁▂▂▂▁▂▁▂▂▃▃▂▁▂▂▂1305.4791201.9911219.1891028.8831107.4131119.2631191.0351066.188990.113958.021658.08602.21651.678660.455740.903666.738571.117734.717663.852654.699613.233624.818427.115460.813585.494631.608632.089444.048492.863557.661573.077440.674524.61454.224606.115537.46701.28638.375544.098461.64583.27566.069531.453NA440.125NANANA
us-gaap:InventoryNet █▇▇▇▆▆▆▆▆▆▄▄▄▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁1575.381450.5881420.6181394.2251310.9851264.131251.41254.241262.51317.261005.99993.527931.845858.924787.971762.401732.988696.784671.172703.262698.635721.493691.786650.496617.904632.353662.799676.241656.457680.919663.04660.276634.448649.822662.735689.713650.802650.476639.641612.603575.73556.798504.697NA401.73NANANA
us-gaap:InventoryFinishedGoods ▇▇▆▆▆▆▅▇██▃▂▂▁▁▂▁▁▁▂▂▂▁▁▁▁▁▂▂▂▂▁▁▁▁▁▁▁▂▂▂▂▁177.054173.576165.246167.314158.818150.265143.736180.405204.167198.92784.82880.77266.93354.4753.29862.5954.40148.83252.74362.16867.50168.39257.0752.24957.1448.63653.47160.6860.40263.36464.05152.7147.76254.34747.68458.15648.98656.44658.89867.48959.85564.41849.509NA50.837NANANA
us-gaap:OtherAssetsCurrent ██▇▇█▇▆▇█▇▃▃▂▃▁▁▁▂▂▁▁▂▂▁▁▃▃▁▁▂▃▂▁▂▃▂▂▃▂▃▃▄▃320.867309.861286.617288.138324.675300.541257.486283.799323.077270.079127.35144.99985.159131.15366.92973.87371.221118.315103.63876.5864.87102.414106.90662.6877.814126.802126.13573.0569.19794.026120.142110.46475.039101.179120.828107.46692.847125.35692.469132.153147.078161.887120.351NA131.044NANANA
us-gaap:Land █████████▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁67.86267.86567.86767.86467.85867.85967.87467.87667.88341.42240.59340.58240.59940.61540.6240.61340.61740.61540.60140.60640.60340.76740.38540.38840.397NANANA41.848NANANA41.85NANANA41.39741.43341.41841.87241.95641.95741.952NA41.807NANANA
us-gaap:MachineryAndEquipmentGross ██▇▇▆▅▇▆▆▆▄▃▃▃▃▂▂▂▂▁▁▁▁▁▁743.71736.624722.084695.577677.627659.048699.175680.97669.316662.025602.387583.682577.077577.02568.203555.666551.277537.558528.351510.763507.378508.469508.578510.727510.642NANANA491.167NANANA476.747NANANA443.668444.904466.092457.103447.772451.816456.054NA443.351NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
us-gaap:NoncurrentAssets █▇▇▆▅▅▅▅▄▃▁▁▁▁▁▁▁▁▁663.027628.438594.185561.852519.824497.743489.98475.21448.799411.852306.351291.232286.306284.496281.634279.872283.975285.74279.966NA278.014NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PropertyPlantAndEquipmentGross ██▇▇▆▆▆▆▅▅▄▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁1485.3531438.2141385.2161337.2981274.4231234.9631281.9771240.3671194.1881148.9581022.631994.845984.674977.664961.089946.478937.125924.7911.856893.115888.243894.502892.872894.033892.168888.039878.954872.098865.442875.867865.435846.762828.822815.154797.116782.985761.13755.559774.177762.703750.525750.389755.685NA735.509NANANA
us-gaap:FurnitureAndFixturesGross ▇▇▇▆▅▆█▅▅▅▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁32.85632.82432.42931.12129.96430.02234.89929.21728.28228.47522.56922.27222.17121.99121.90921.67421.32821.5921.09121.28721.73721.81121.57321.50521.411NANANA20.945NANANA20.701NANANA19.49319.13121.66620.52719.64519.70122.624NA23.345NANANA
us-gaap:ConstructionInProgressGross █▇▆▅▅▄▃▃▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁182.32149.587126.656109.21193.73679.03563.56656.82826.02927.76616.3615.0859.187.267.2146.594.5976.5126.2555.815.2864.0573.4324.9273.152NANANA8.945NANANA16.604NANANA11.76512.1747.818.6896.9794.8214.828NA2.603NANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment ██▇▇▇▆▇▇▆▆▆▆▅▅▅▅▅▄▄▄▄▄▃▃▃▃▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁822.326809.776791.031775.446754.599737.22791.997765.157745.389737.106716.28703.613698.368693.168679.455666.606653.15638.96631.89620.764610.229606.628600.479591.165577.577566.958555.601542.139535.179549.818539.579526.925523.541516.537504.722494.109483.444485.388506.548498.424493.167499.818506.217NA498.757NANANA
us-gaap:AmortizationOfIntangibleAssets ▇▇▇▇▇▇███▄▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▂▂▂▂▂52.27852.40451.0750.551.31454.60556.75257.90858.77925.8681.31.41.01.21.21.20.70.50.51.31.31.31.33.73.74.04.04.14.33.53.94.54.54.54.67.27.37.37.78.0NANANANANANANANA
us-gaap:PropertyPlantAndEquipmentNet █▇▇▆▆▅▅▅▄▄▂▂▂▂▂▂▂▂▂▁▁▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁663.027628.438594.185561.852519.824497.743489.98475.21448.799411.852306.351291.232286.306284.496281.634279.872283.975285.74279.966272.351278.014287.874292.393302.868314.591321.081323.353329.959330.263326.049325.856319.837305.281298.617292.394288.876277.686270.171267.629264.279257.358250.571249.468NA236.752NANANA
us-gaap:Goodwill ▇▇▇▇▇▇████▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁2011.1722011.1872045.4452045.4322045.4022043.1292299.7812263.6892211.8582172.902360.48360.428354.698349.998350.023349.678349.526335.236335.17335.198335.177335.205335.205335.218335.263335.291335.273335.315335.355335.246326.578326.556326.635326.792326.779326.848327.716327.887327.813327.971328.156328.159328.147NA328.006NA333.984NA
 us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass us-gaap:InProcessResearchAndDevelopment▁▁▁▇▇▇████63.25666.08472.259175.834175.834175.835190.635190.635187.5183.5NANA0.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IntangibleAssetsNetExcludingGoodwill ▆▆▆▇▇▇▇▇▇█▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁1185.3111237.5891289.8431340.9131391.4131437.8441492.451549.2011560.671694.31323.81825.12919.33315.37616.56317.76318.9632.0382.5513.0654.3315.6256.9348.24211.89515.54819.55123.62427.69731.98826.09830.02234.51539.00843.51448.08155.63662.89770.21877.94985.90293.855101.9NA117.336NANANA
us-gaap:FiniteLivedIntangibleAssetsNet ▆▆▇▆▇▇▇▇▇█▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁1122.1551171.6051217.6841165.1791215.6791262.1091301.9151358.5661373.171511.2423.81825.12919.33315.37616.56317.76318.9632.0382.5513.0654.3315.6256.9348.24211.89515.54819.55123.62427.69731.98826.09830.02234.51539.00843.51448.08155.63662.89770.21877.94985.90293.855101.9NA117.336NANANA
us-gaap:OperatingLeaseRightOfUseAsset ▅▄▆▂▃▁▆█102.883101.699103.4398.754100.7998.104103.666105.967NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAssetsNoncurrent █▇▇▆▆▅▆▆▃▃▂▂▂▂▂▂▂▁▁▁▁▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▄▄▄▄▅▅▆444.905416.039403.483371.586362.979340.807377.811368.921265.973260.09204.0225.169216.819213.847211.315201.287195.676190.096185.623188.529174.659246.925253.279249.577259.687263.189262.941244.137258.519251.239254.668252.399269.423266.4269.776260.714275.227284.922286.269298.199328.095345.867362.635NA389.497NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
us-gaap:AccountsPayableCurrent █▇▆▅▆▅▅▄▄▄▂▃▃▃▂▂▂▂▁▁▁▂▂▁▁▁▁▁▁▂▂▁▁▁▁▁▂▂▂▁▂▂▂342.083295.111262.496254.458264.28243.234256.646221.388202.416206.248152.491154.93169.354169.459149.844138.657147.38139.452116.163105.066106.517126.322122.314107.363103.342103.189108.307108.287103.422120.771141.545114.716115.68107.753103.575116.247139.183139.371129.064114.575142.945142.126123.166NA107.938NANANA
us-gaap:LiabilitiesCurrent ███▆▆▆▆▇▆▆▅▄▃▃▃▅▄▄▃▂▂▂▂▂▂▂▂▁▂▂▂▂▂▁▁▁▂▂▁▁▂▂▁2103.2272029.4662020.1121748.8281699.7861653.2741718.2431943.4471768.4861700.8561482.5381310.931218.0831200.4351166.5481466.041293.1621249.1861187.736974.7411002.423997.692858.33915.2411001.763976.615942.34804.837895.611887.647927.999835.11861.532820.008781.737787.101862.907872.355829.98734.219882.018856.737793.937NA771.787NANANA
us-gaap:OperatingLeaseLiabilityCurrent █▆▆▂▁32.32231.48531.2229.41828.994NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAccruedLiabilitiesCurrent ▇▆▆▆▇▆▆▆█▇▃▂▄▃▂▄▃▃▂▂▃▂▂▂▄▃▃▆▆▄▄▄▄▄▄▄▅▄▅▄▃▁▂180.982155.718156.916159.713183.435164.195160.522163.345196.177176.677107.64493.357123.869105.18986.865127.017116.03999.04196.39689.109111.29784.28282.50894.662132.244106.779105.965157.325158.775130.38121.764122.239130.959130.91133.298128.192145.479127.884138.117116.72115.93771.55587.763NA77.956NANANA
us-gaap:OtherLiabilitiesCurrent ▇▇█▆▅▅▆▆▅▅▄▄▄▄▄▄▃▃▂▃▃▃▂▃▃▃▂▂▃▂▂▂▂▂▂▂▂▂▂▁▂▁▁1161.0161129.0671223.356999.547865.776859.4191010.21993.299827.054833.747714.873773.319699.893716.693703.619806.636649.431618.547570.923629.194662.208626.331540.581609.99661.414631.276564.19553.715585.09547.102495.222500.1527.049511.688468.13471.435513.411491.933462.033436.211502.471438.634396.084NA422.059NANANA
us-gaap:TaxesPayableCurrent ▆▅█▅▃▃▆▆▂▁▃▅▂▃▂▃▂▂▂▂▂▂▂▂▂▁▁▂▂▁▁▁▁▁▁▁▁▁▂▁▂▂▂87.3276.489116.09175.32335.6431.60180.77686.14123.357.11733.15369.82223.28737.44922.52534.77417.0419.58523.22321.51327.96419.91518.8816.415.58212.93313.58715.59315.2839.42213.56514.14111.0769.53311.53311.67911.25111.64720.07812.31316.56420.97321.368NA35.34NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
us-gaap:LongTermDebt ██████████▁▁▁▂▂▄▅▅▅▅▆▆▆▆▆▇▇3422.7673442.0973461.4653420.4033469.673443.9373399.8773424.133423.3823422.6462238.3782237.892237.4022461.9142486.4262774.8382930.4572954.8272979.1973018.5673057.9363097.3063131.6763151.0463190.4163236.7993246.071NA747.919NANANANANANANANANANANANANANANANANANANA
us-gaap:LongTermDebtNoncurrent NA3422.0973441.4653420.4033469.673443.9373399.8773174.133173.3833172.6491988.3822237.892237.4022461.9142486.4262524.8422680.4742704.8562729.239NA3057.9363097.3063131.6763151.0463173.4353199.2993208.571NA747.919NANANANANANANANANANANANANANANANANANANA
us-gaap:UnsecuredLongTermDebt NA3422.0973441.4653420.4033469.673443.9373399.8773174.133173.3833172.6491988.3822237.892237.4022461.9142486.4262524.8422680.4742704.8562729.2393018.5673057.936NANANA3173.435NANA748.054747.919747.783747.647747.511747.376747.24747.104746.968746.833746.697746.561746.425746.29746.154746.018NA745.747NANANA
us-gaap:DeferredIncomeTaxLiabilitiesNet ▂▁▂▂▃▂▄▄▅█650.623629.896646.028656.876660.885647.22680.929688.17702.285762.303NANA1.197NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:MinorityInterest ▁▁▄▄▄▅▅▅▅█-1.912-1.99215.12415.16115.58617.76318.20618.45618.58536.495NANA0.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherLiabilitiesNoncurrent ████████▇▇▅▆▆▆▆▃▂▂▂▂▂▂▂▂▃▃▃▂▁▁▁▁▁▂▂▂▂▁▁▁▁▁▁631.29658.015667.964646.691672.284675.944663.732643.032587.897575.599446.279447.984471.363494.758460.742175.104172.407160.576149.766161.002156.623159.467167.525165.625182.23179.865179.416162.95848.80535.50235.8336.27736.61689.41792.13490.42589.23578.6780.35873.24373.07870.19371.56NA69.065NANANA
us-gaap:OperatingLeaseLiabilityNoncurrent ▃▃█▁▃70.73970.65774.44369.43170.885NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo █▆▄▁24.32621.80419.98716.812NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree █▆▅▁15.50114.2413.35810.891NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour █▆▆▁12.10411.3611.2429.065NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive 9.168NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive 12.699NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
us-gaap:StockholdersEquity ▇▇▆▆▆▅▆▆▆▆▄▄▄▃▃▃▃▃▂▂▂▁▁▁▁▁▂███████▇▇▇▇▇▆▆▆▆3377.5543114.8562935.1822747.1842665.4242307.4332669.7642661.1632659.1082849.0931597.6221567.3691620.5111370.1431225.6251463.9561326.4171147.312965.096781.509689.114476.572365.625294.441421.439493.941602.1393529.723669.3463639.9283550.2073491.1633482.1523446.3833361.1363352.3123315.5953158.7652968.4722934.5952860.8932673.0172466.234NA2246.611NANANA
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest █▇▆▆▅▄▅▅▅▆▁▁▁3375.6423112.8642950.3062762.3452681.012325.1962687.972679.6192677.6932885.5881597.6221567.3691620.511NANANA1326.417NANANA689.114NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:CommonStockValue 0.153NANANA0.155NANANA0.159NANANA0.156NANANA0.157NANANA0.156NANANA0.158NANANA0.165NANANA0.165NANANA0.167NANANA0.167NANANA0.168NANANA
us-gaap:AdditionalPaidInCapitalCommonStock 2175.835NANANA2090.113NANANA2017.153NANANA617.843NANANA529.126NANANA452.818NANANA474.216NANANA1220.339NANANA1159.4NANANA1089.313NANANA1010.492NANANA921.292NANANA
us-gaap:CommonStocksIncludingAdditionalPaidInCapital NA2115.2052104.192072.7152090.2682019.0712017.5211999.8452017.3121989.914619.265596.166617.999561.677548.691518.223529.283493.899483.077447.018452.974424.474416.144385.633474.374534.33613.1221235.9861220.5041206.3771193.654NA1159.565NANANANANANANANANANANANANANANA
us-gaap:RetainedEarningsAccumulatedDeficit ▅▄▄▃▃▂▃▃▃▄▄▄▄▄▃▄▃▃▃▂▂▁▁▁▁▁▁███████▇▇▇▇▆▆▆▆▅1277.1231070.124903.696753.915654.93376.656719.001733.173714.825928.0861048.8041027.371056.445862.743729.456996.514848.457702.297534.175381.124284.82595.1210.0-45.055-12.362-2.58224.772329.9362479.1132464.9012386.8012344.272359.2332329.2512252.7722256.9582247.2582075.2181928.3961910.4031852.6331674.5891506.747NA1356.454NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▂▂▂▂▂▁▃▂▂▃▂▄▄▄▄▄▄▄▄▄▄▅▄▄▅▅▅▅▆▆▆▆▅▆▇▇▆█▇███▇-75.557-70.473-72.704-79.446-79.774-88.294-66.758-71.855-73.029-68.907-70.447-56.167-53.933-54.277-52.522-50.781-51.323-48.884-52.156-46.633-48.685-43.023-50.519-46.137-40.573-37.807-35.753-36.202-30.271-31.35-30.248-31.891-36.646-24.827-15.058-13.111-21.143-7.957-10.712-6.965-2.399-8.521-13.383NA-31.303NANANA
us-gaap:MinorityInterest ▁▁▄▄▄▅▅▅▅█-1.912-1.99215.12415.16115.58617.76318.20618.45618.58536.495NANA0.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue NA30.32726.82726.992NA31.2726.78926.944NA34.19315.69516.138NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents us-gaap:CommonStockIncludingAdditionalPaidInCapitalNA30.1226.59626.992NA31.2726.78926.944NA34.19315.69516.138NA16.2113.73914.031NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents us-gaap:NoncontrollingInterestNA0.2070.231NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents us-gaap:ParentNA30.1226.59626.992NA31.2726.78926.944NA34.19315.69516.138NA16.2113.73914.031NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
us-gaap:NetCashProvidedByUsedInOperatingActivities ▆█▇▇▆▆▅▆▄▃▄▅▅▅▂▅▆▃▃▃▅▂▂▃▄▄▁▁▄▃▂▃▃▅▂▄▄▄▃▃▄▄▃▂▂▂465.624646.15561.081512.171452.846442.028387.731496.245325.461163.594282.172381.405373.513352.607129.371373.629462.637224.838222.413169.777354.093111.497100.324193.782317.479242.41711.08434.926248.64237.727115.271177.248175.569414.78377.443245.393273.306262.094187.232218.985289.802243.911193.92595.52883.278127.672NANA
us-gaap:NetCashProvidedByUsedInInvestingActivities ▆▆▆▆▆▆▆▆▇▁▇▇▇▇▇▇▆▆▆▆▆▇▇▇▇▇█▇▆▆▆▆▆▆▇▆▆▆▆▆▆▆▆▇▆▆-93.604-176.588-95.892-134.32-105.8211.788-8.148-146.69330.439-1734.903208.611314.871126.77525.89425.955112.994-154.359-98.371-140.333-167.823-69.25340.872141.16831.9157.84159.065475.767225.548-280.724-132.597-126.12-136.668-16.408-155.63797.719-167.121-199.111-269.132-11.94-48.708-138.866-177.256-57.54314.1550.976-32.211NANA
us-gaap:NetCashProvidedByUsedInFinancingActivities ▂▂▂▂▃▂▂▂▂█▂▂▂▃▂▂▃▃▃▃▃▃▃▂▂▂▁▃▃▃▃▃▃▃▃▃▃▄▃▃▃▄▃▃▃▃-392.845-439.453-261.377-404.206-61.355-432.637-432.03-373.613-432.146869.285-347.452-449.692-341.386-202.288-406.297-320.132-112.974-112.228-100.914-146.689-105.191-118.174-117.704-295.633-259.678-261.712-566.062-215.52-114.527-123.041-97.586-123.733-104.202-86.075-114.602-123.631-86.012-51.182-93.829-133.08-82.322-26.538-80.79-110.505-95.578-80.719NANA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▆▆▇▆█▆▆▆▅▁▇█▇-17.5420.684215.646-18.589288.2346.311-48.484-27.646-76.169-701.819144.468245.132148.7NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
us-gaap:DepreciationDepletionAndAmortization ▅▅▅▅▅▅▆▆█▅▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▂▂▂▂▂▂▁▁▁▁▁84.64784.36584.25780.06678.93781.9988.53498.588127.88673.44515.80616.08714.98916.28316.1315.28214.32414.19814.89214.42214.88815.7816.52919.73519.96620.5118.90121.15922.0120.61419.81120.63720.42521.16821.92524.01623.28222.423.26723.18422.53321.07521.65320.78319.55421.42NANA
us-gaap:IncreaseDecreaseInAccountsPayable █▇▅▄▆▃▇▆▄▄▄▃▄▆▅▄▅▆▅▄▃▅▅▅▄▄▄▅▃▃▆▄▅▅▃▃▄▅▅▂▄█▁▆▅█48.41432.7358.039-9.82219.905-12.90435.25818.885-3.832-0.59-2.44-14.7650.40319.18311.069-8.8776.84423.01711.786-1.547-19.8473.75115.0474.1580.148-5.0540.4785.276-17.454-20.81826.997-1.0588.0544.552-12.314-23.104-0.23510.48114.58-28.5580.58548.354-44.77630.09615.92252.075NANA
us-gaap:IncreaseDecreaseInAccountsReceivable ▆▄█▃▄▃▇▆▅▆▅▃▄▂▆▆▁▅▅▅▄█▄▂▃▄█▃▃▄▇▃▆▁▆▁▅▆▆▂▄█▂▅▆█103.488-17.198190.306-78.53-11.493-73.103126.68275.21453.56572.79655.869-36.079-2.095-90.90673.87795.621-167.03464.50924.38638.241-21.4186.715-32.098-124.925-43.7141.213200.282-39.261-66.784-16.598136.562-85.77173.102-142.76477.272-166.85561.63297.69883.819-129.22713.918193.533-129.57450.342113.496191.204NANA
us-gaap:IncreaseDecreaseInInventories ▆▄▄▅▅▄▄▄▄▄▄▅▅▅▄▄▄▄▄▄▃▄▄▄▄▃▄▄▃▄▄▄▄▄▃▄▄▄▄▅▄█▁▅▄▃123.72534.16926.21585.99156.60911.641.4775.091-13.1791.89315.10955.73873.21165.23824.2420.19432.46428.288-13.132-1.187-26.39726.06536.66831.243-16.498-23.745-10.70223.445-21.30814.7382.93829.805-14.116-11.138-28.82239.2896.619.69433.14243.69920.125253.176-166.6163.4526.461-23.096NANA
us-gaap:NetCashProvidedByUsedInOperatingActivities ▆█▇▇▆▆▅▆▄▃▄▅▅▅▂▅▆▃▃▃▅▂▂▃▄▄▁▁▄▃▂▃▃▅▂▄▄▄▃▃▄▄▃▂▂▂465.624646.15561.081512.171452.846442.028387.731496.245325.461163.594282.172381.405373.513352.607129.371373.629462.637224.838222.413169.777354.093111.497100.324193.782317.479242.41711.08434.926248.64237.727115.271177.248175.569414.78377.443245.393273.306262.094187.232218.985289.802243.911193.92595.52883.278127.672NANA
us-gaap:NetIncomeLoss █▇▆▆▆▃▆▅▄▄▆▆▅▅▁▅▅▅▄▄▅▄▄▃▄▃▂▃▃▄▃▃▃▄▃▃▄▄▃▄▄▄▄▄▃▃▂▂632.978567.496457.251420.567411.25378.452380.555346.525217.845192.728369.1395.944348.767306.881-134.319280.936256.162253.562238.251178.101271.541175.777152.207104.897142.019131.63820.26872.233128.731203.581139.246111.197134.77166.382106.63135.367247.877205.346110.797191.995245.017209.783185.492154.196113.08557.01621.79420.405
us-gaap:ProfitLoss █▇▆▆▆▃▆▅▄▄▆▆▅▅▁▅633.058567.17456.983420.142410.31578.009380.305346.396217.328192.645369.1395.944348.767306.881-134.319280.936NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ShareBasedCompensation ▆▇▆▆▆▇▆▆▆█▃▃▄▃▂▂▂▂▂▂▂▁▂▂▂▂▃▃▂▂▃▄▃▄▃▄▃▄▄▄▄▄▄▅▅▄▄27.6930.32726.82726.99226.37831.2726.78926.94428.16834.19315.69516.13818.80416.2113.73914.03114.48512.53612.44411.47812.2929.18511.32512.24812.20412.76714.84815.48314.12812.72314.8719.21917.60618.53614.95818.98417.77920.91419.64620.49618.93918.84719.43124.21323.45921.46920.855NA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
us-gaap:NetCashProvidedByUsedInInvestingActivities ▆▆▆▆▆▆▆▆▇▁▇▇▇▇▇▇▆▆▆▆▆▇▇▇▇▇█▇▆▆▆▆▆▆▇▆▆▆▆▆▆▆▆▇▆▆-93.604-176.588-95.892-134.32-105.8211.788-8.148-146.69330.439-1734.903208.611314.871126.77525.89425.955112.994-154.359-98.371-140.333-167.823-69.25340.872141.16831.9157.84159.065475.767225.548-280.724-132.597-126.12-136.668-16.408-155.63797.719-167.121-199.111-269.132-11.94-48.708-138.866-177.256-57.54314.1550.976-32.211NANA
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▇██▇▆▆▅▄▇▄▄▃▃▂▂▂▂▁▁▂▁▁▁▁▁▂▂▂▂▃▂▃▃▃▂▃▂▂▂▂▂▂▂▂▁▂55.37661.18359.14455.92541.7943.44534.87432.56655.84625.95626.36622.3322.84214.99413.36915.75610.6689.4148.6299.8837.5088.9547.9387.3419.23710.32612.78313.44513.06618.2214.46521.75118.9118.317.09120.27216.27214.27814.91812.12814.60713.82911.55211.1635.79110.041NANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
us-gaap:NetCashProvidedByUsedInFinancingActivities ▂▂▂▂▃▂▂▂▂█▂▂▂▃▂▂▃▃▃▃▃▃▃▂▂▂▁▃▃▃▃▃▃▃▃▃▃▄▃▃▃▄▃▃▃▃-392.845-439.453-261.377-404.206-61.355-432.637-432.03-373.613-432.146869.285-347.452-449.692-341.386-202.288-406.297-320.132-112.974-112.228-100.914-146.689-105.191-118.174-117.704-295.633-259.678-261.712-566.062-215.52-114.527-123.041-97.586-123.733-104.202-86.075-114.602-123.631-86.012-51.182-93.829-133.08-82.322-26.538-80.79-110.505-95.578-80.719NANA
us-gaap:RepaymentsOfLongTermDebt ▁▁▁▁▃█0.020.00.050.0175.0721.033NANA0.0902.4740.00.0225.025.0540.0156.2525.025.040.040.040.035.020.040.029.3759.375877.3670.00.00.0NANANANANANANANANANANANANANANANANANA
 us-gaap:RepaymentsOfLongTermDebt us-gaap:CreditFacility,us-gaap:LongtermDebtType us-gaap:RevolvingCreditFacility,us-gaap:LineOfCreditNANANA400.0200.0200.025.0NANANANANA225.025.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PaymentsOfDividends NA139.3139.6141.2NA133.3134.7121.636121.363113.581114.562122.757117.03592.12892.575100.32784.63785.51484.52989.31381.1282.10981.38101.67479.65382.252796.73982.41374.46674.80574.98374.61766.18166.666.566.62958.47658.558.158.4641.86241.941.841.78525.38625.725.7NA
us-gaap:PaymentsOfDividendsCommonStock ▇▇▇█▅▅▆▁139.267139.338139.584141.164132.762133.327134.696121.636NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PaymentsForRepurchaseOfCommonStock ▇▇▅▅▁▇▇▆█▅▆▇▂▃▂▂▂▁▁▁▁▁▂▄▄▄▄▄▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▃▂299.777273.441177.492187.8970.0315.995284.593228.496344.986200.029250.213299.97438.09184.72440.42739.92725.0020.00.00.00.00.039.119142.592167.858168.67141.521124.83960.15759.8860.30260.50468.31168.34368.28368.31766.95866.93463.5866.39257.97457.69757.01762.15681.64554.63NANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-302013-06-302012-06-302011-06-302010-06-30
Value153000.0155000.0159000.0156000.0157000.0156000.0158000.0165000.0165000.0167000.0167000.0168000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.0

Shares Outstanding

us-gaap:SharesOutstanding us-gaap:StatementEquityComponents

us-gaap:SharesOutstanding

us-gaap:CommonStock


Shares
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-06-302015-06-302014-06-30
Value152153154154155155156158159161151153156155156156156155157165
Percentage of SharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesIssued


Common
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-302013-06-302012-06-302011-06-302010-06-30
Value278277276262261260259257253249244239
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStockSharesOutstanding


Common
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-302013-06-302012-06-302011-06-302010-06-30
Value152155159156156155157165165166167168
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-312018-12-312018-09-302018-03-312017-12-312017-09-302017-03-312016-12-312016-09-302016-03-312015-12-312015-09-302015-03-312014-12-312014-09-302014-03-312013-12-312013-09-302013-03-312012-12-312012-09-302012-03-312011-12-312011-09-302011-03-312010-12-312010-09-302010-03-312009-12-31
Value155155156157158160157152156157156157157157157156155157162165166167168168169169169170169169171169169173173
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-312018-12-312018-09-302018-03-312017-12-312017-09-302017-03-312016-12-312016-09-302016-03-312015-12-312015-09-302015-03-312014-12-312014-09-302014-03-312013-12-312013-09-302013-03-312012-12-312012-09-302012-03-312011-12-312011-09-302011-03-312010-12-312010-09-302010-03-312009-12-31
Value153154155156157158156152155156156156156156156155155156161164164166166165166166166167166166167166167171171
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount


Antidilutive
Period End2020-09-302020-03-312019-12-312019-09-302019-03-312018-12-312018-09-302018-03-312017-12-312017-09-302017-03-312016-12-312016-09-302016-03-312015-12-312015-09-302015-03-312014-12-312014-09-302014-03-312013-12-312013-09-302013-03-312012-12-312012-09-302012-03-312011-12-312011-09-302011-03-312010-12-312010-09-302010-03-312009-12-31
Value0.1690.0010.0430.00.10.3410.2070.00.00.00.00.0020.0450.00.1390.3070.2450.0320.0730.00.00.030.9671.6181.7171.9063.616.6354.668.622101110
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.00.0100.0100.0100.00.00.00.00.0100.0100.00.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
Value4.143.692.962.712.650.52.422.181.361.232.432.552.241.96-0.861.791.641.621.521.141.741.130.980.670.90.810.120.440.781.220.840.670.811.00.640.811.481.230.671.151.461.251.110.920.670.330.130.12
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
Value4.13.662.942.692.630.52.42.161.351.232.422.542.221.95-0.861.781.621.611.521.131.731.120.980.660.890.810.120.430.771.210.830.660.80.980.630.81.461.210.661.131.431.221.090.910.660.330.130.12
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Allocated Share Based Compensation Expense

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:AllocatedShareBasedCompensationExpense


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2730262626312626283415161816131414121211129.185111212121415141214191718141817201920181819242321
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.41.71.61.81.82.21.81.92.23.11.41.51.81.61.41.41.51.41.41.51.31.31.61.91.61.72.22.41.91.52.12.92.42.52.22.62.02.53.12.62.12.32.53.54.24.5

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:IncomeStatementLocation

us-gaap:CostOfSales


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value4.8054.7794.1043.6674.2914.1623.3622.8643.6253.1051.8231.8312.6042.3861.6561.4161.5661.2051.3051.2621.0950.8641.2661.4641.41.6421.9632.2371.9151.6882.321
Percentage of AllocatedShareBasedCompensationExpense17.415.815.313.616.313.312.510.612.99.111.611.313.814.712.110.110.89.610.511.08.99.411.212.011.512.913.214.413.613.315.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.30.20.20.30.30.20.20.30.30.20.20.20.20.20.10.20.10.10.20.10.10.20.20.20.20.30.30.30.20.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CostOfSales0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ResearchAndDevelopmentExpense


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-03-312012-12-31
Value6.1236.5185.2255.4716.5946.5775.0735.2876.2374.9862.4832.5193.6183.1852.2752.1712.0171.9992.0522.0211.9271.932.2692.4922.2432.9413.3353.743.63.5123.8775.4085.0684.27
Percentage of AllocatedShareBasedCompensationExpense22.121.519.520.325.021.018.919.622.114.615.815.619.219.616.615.513.915.916.517.615.721.020.020.318.423.022.524.225.527.626.128.127.328.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.40.30.40.50.50.30.40.50.50.20.20.30.30.20.20.20.20.20.30.20.30.30.40.30.40.50.60.50.40.50.80.70.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ResearchAndDevelopmentExpense0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:SellingGeneralAndAdministrativeExpenses


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value16191717152018181826111112109.80810109.3329.0878.1959.276.3917.798.2928.5618.1849.559.5068.6137.5238.672
Percentage of AllocatedShareBasedCompensationExpense60.562.765.266.158.765.768.569.765.076.372.673.066.965.671.474.475.374.473.071.475.469.668.867.770.164.164.361.461.059.158.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.91.11.11.21.11.41.21.31.52.41.01.11.21.01.01.11.21.01.01.11.00.91.11.31.11.11.41.51.20.91.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:SellingGeneralAndAdministrativeExpenses0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value62756946342041956385347213194354404349305-136.062812532562321802651831479913912920661292021401151221561041432342081071872512141871709955
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax32.631.628.127.428.84.025.524.617.017.731.737.032.629.9-13.929.027.028.126.524.028.925.720.815.518.417.53.110.317.724.320.017.617.121.515.619.926.324.816.723.528.125.724.425.017.911.7

Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value80000.0-326000.0-268000.0-425000.0-938000.0-443000.0-250000.0-129000.0-517000.0-83000.00000
Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0-0.0-0.0-0.0-0.1-0.0-0.0-0.0-0.0-0.00.00.00.00.0

Cost Of Revenue

us-gaap:CostOfRevenue

us-gaap:CostOfRevenue


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value772709669620621590633604592486408381377368347353347343318277337274280270323320283288326342285277306309303317361355272340356327311263227208207
Percentage of CostOfRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax40.139.340.640.342.641.442.042.847.144.436.534.935.336.135.636.537.137.636.337.036.738.539.642.142.743.441.944.944.541.240.542.242.642.545.244.040.542.342.542.739.939.340.638.740.743.647.1

Gross Profit

us-gaap:GrossProfit

us-gaap:GrossProfit


Gross
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
Value11531094981918838833875809665610711711692652628616590570558472581437429372433418393354407488419380413419369403530485369456536506454418331269233170
Percentage of GrossProfit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax59.960.759.459.757.458.658.057.252.955.663.565.164.763.964.463.562.962.463.763.063.361.560.457.957.356.658.155.155.558.859.557.857.457.554.856.059.557.757.557.360.160.759.461.359.356.452.949.8

us-gaap:GrossProfit us-gaap:ConsolidationItems

us-gaap:OperatingSegments


Gross
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value119311341019954879870919857744656712712
Percentage of GrossProfit103.5103.7103.9104.0105.0104.4105.0105.9111.8107.6100.1100.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax62.062.961.862.160.361.160.960.659.159.863.665.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments0.062.961.862.10.061.260.960.60.059.863.665.2

us-gaap:GrossProfit us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, klac:PCBDisplayAndComponentInspection


Gross
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value10084908571827688451010
Percentage of GrossProfit9.28.69.810.38.59.49.413.37.51.51.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.65.15.95.95.05.55.47.14.20.91.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments klac:PCBDisplayAndComponentInspection48.947.249.80.044.444.342.60.046.640.444.6

us-gaap:OperatingSegments, klac:SemiconductorProcessControl


Gross
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value982884814737752795742620565702702
Percentage of GrossProfit89.890.188.888.090.390.991.793.392.698.798.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax54.553.653.050.552.952.752.549.351.562.764.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments klac:SemiconductorProcessControl65.264.164.30.063.963.863.80.061.864.265.6

us-gaap:OperatingSegments, klac:SpecialtySemiconductorProcess


Gross
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value5151495647413833450.00.0
Percentage of GrossProfit4.75.25.46.85.74.74.75.07.40.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.93.13.23.93.32.72.72.74.10.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments klac:SpecialtySemiconductorProcess56.456.556.10.055.555.055.20.053.70.00.0

us-gaap:OperatingSegments, us-gaap:AllOtherSegments


Gross
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value0.04-0.1210.013-0.562-0.2710.1170.6531.0990.0030.00.0
Percentage of GrossProfit0.0-0.00.0-0.1-0.00.00.10.20.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0-0.00.0-0.0-0.00.00.00.10.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments us-gaap:AllOtherSegments26.8-26.99.30.0-57.822.629.30.02.00.00.0

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value708640527483405115424371231221415427406365347336325319306222328209185134174166-6.268991662511761391771921441763052741462473343012512231508038
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax36.835.531.931.427.88.128.226.318.420.237.139.138.035.835.634.734.634.935.029.635.729.526.120.923.122.5-0.915.422.730.225.121.224.626.421.524.534.332.622.931.037.436.232.832.726.816.88.6

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value75737063-5.2463744251328463157594815568656844563433293234-26.5362637473728422538415868365589916569372316
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.94.14.34.1-0.42.63.01.81.12.64.22.95.45.849.45.77.37.27.85.96.24.84.74.64.44.7-3.94.25.25.75.34.45.93.55.75.76.58.25.66.910.011.08.610.16.64.93.7

Income Taxes Paid

us-gaap:IncomeTaxesPaid

us-gaap:IncomeTaxesPaid


Income
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-312018-12-312018-09-302018-03-312017-12-312017-09-30
Value10059549150195187247412323
Percentage of IncomeTaxesPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.63.63.56.53.41.44.77.82.37.312.72.5

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value3939383940394040403126262828273030303030303030303030311313131313131313131313131313131313131413
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.12.22.42.62.82.82.72.93.22.82.42.42.62.82.83.23.33.33.54.13.44.34.34.84.14.14.62.11.81.61.92.11.91.82.01.91.51.62.11.71.61.61.82.02.42.93.1

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

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterest


Interest
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-31
Value0.2790.279-0.279-0.1590.1-0.0990.15
Percentage of InterestExpense0.70.7-0.7-0.40.2-0.20.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.0-0.0-0.00.0-0.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterest-47.9-39.2128.6-5.2-1250.0-26.522.9

Interest Paid Net

us-gaap:InterestPaidNet

us-gaap:InterestPaidNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3739364037355326513.856510.537532.33553.005563.117563.243573.482563.149554.341330.136260.135260.217260.204260.233260.248260.611260.296260.352260.102
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.92.22.22.62.62.53.51.94.10.44.60.05.00.25.70.36.10.36.50.46.20.58.00.57.30.64.90.03.50.03.70.03.70.04.00.03.00.04.20.12.90.03.40.14.60.0

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
Value63256745742041178380346217192369395348306-134.3192802562532381782711751521041421312072128203139111134166106135247205110191245209185154113572120
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax32.931.527.727.328.25.525.224.517.317.633.036.232.630.0-13.829.027.327.727.223.729.524.721.416.318.817.83.011.217.524.519.716.918.722.815.818.827.824.417.224.127.525.224.222.620.211.94.96.0

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

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterest


Net
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-31
Value-0.675-1.1150.0542.904-0.125-1.5270.946
Percentage of NetIncomeLoss-0.1-0.20.03.7-0.0-0.40.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.0-0.10.00.2-0.0-0.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterest115.8156.8-24.995.21562.5-409.4144.4

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:Parent


Net
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-312018-12-312018-09-30
Value56745742078380346192369395
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax31.527.727.35.525.224.517.633.036.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Parent0.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Net
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-312018-12-312018-09-30
Value56745742078380346192369395
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax31.527.727.35.525.224.517.633.036.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.0

Net Income Loss Attributable To Noncontrolling Interest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value80000.0-326000.0-268000.0-425000.0-938000.0-443000.0-250000.0-129000.0-517000.0-83000.00000
Percentage of NetIncomeLossAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0-0.0-0.0-0.0-0.1-0.0-0.0-0.0-0.0-0.00.00.00.00.0

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Net
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-31
Value-326000.0-268000.0-425000.0-443000.0-250000.0-129000.0-83000.0
Percentage of NetIncomeLossAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.0-0.0-0.0-0.0-0.0-0.0-0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.0

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

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value-759000.04870000.0-190000.0-764000.0132000.0-17421000.02003000.0761000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.00.3-0.0-0.00.0-1.20.10.1

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

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value0.739-2.4968.1145.0373.187-3.6552.597-2.045
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0-0.10.50.30.2-0.30.2-0.1

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-5084000.02231000.06742000.0328000.08520000.0-21536000.05097000.01174000.0-4122000.01540000.0-14280000.08611000.0344000.0-1755000.0-1741000.0542000.0
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.30.10.40.00.6-1.50.30.1-0.30.1-1.30.80.0-0.2-0.20.1

us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-312018-12-312018-09-30
Value2231000.06742000.0328000.0-21536000.05097000.01174000.01540000.0-14280000.08611000.0
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.40.0-1.50.30.10.1-1.30.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Other
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-312018-12-312018-09-30
Value2231000.06742000.0328000.0-21536000.05097000.01174000.01540000.0-14280000.08611000.0
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.40.0-1.50.30.10.1-1.30.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Parent0.00.00.00.00.00.00.00.00.0

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
Value297.348-3.882-3.197-7.8681.0042.5681.618
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.50.4-0.2-0.2-0.50.10.20.1

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

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedNetInvestmentGainLossIncludingPortionAttributableToNoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302016-03-312015-03-31
Value-0.015-0.0250.1110.1010.049-0.4320.0820.0040.0360.06
Percentage of OtherNonoperatingIncomeExpense-0.1-0.3-2.9-3.2-0.6-43.03.20.20.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.0-0.00.00.00.0-0.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedNetInvestmentGainLossIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value63356745642041078380346217192369395348306-134.319280
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax32.931.427.727.328.15.525.224.517.317.633.036.232.630.0-13.829.0

Research And Development Expense

us-gaap:ResearchAndDevelopmentExpense

us-gaap:ResearchAndDevelopmentExpense


Research
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value241238229219217215220210206184165153151153156146136130130129127115118119128124133143138134134132127118121119118110116107100959494838483
Percentage of ResearchAndDevelopmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.513.213.914.214.915.114.614.916.416.814.814.014.215.016.115.114.514.214.917.213.916.216.718.717.016.919.722.318.916.119.120.117.716.318.116.613.313.118.113.511.311.512.413.914.917.718.9

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
Value19251803165015381459142315091413125810971119109310701021975969938913876750919712710642756738676642734831705658720729673720892840642796892834766682559478440342
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems

klac:CorporateAndReconcilingItems


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-0.0020.5580.3830.3950.0080.2240.121-0.14-0.0340.005-0.225-0.314
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.00.00.00.00.00.00.0-0.0-0.00.0-0.0-0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.00.00.00.00.00.00.0-0.0-0.00.0-0.0-0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax klac:CorporateAndReconcilingItems100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value192518031650153814591423150914131258109711201093
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:OperatingSegments, klac:PCBDisplayAndComponentInspection


Revenue
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value205179181202160186178184982623
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.410.911.813.911.312.312.614.79.02.32.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.410.911.813.911.312.312.614.79.02.32.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments klac:PCBDisplayAndComponentInspection100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, klac:SemiconductorProcessControl


Revenue
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value1506138012671156117712471163100291410941069
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax83.583.682.479.282.782.682.379.783.397.797.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax83.583.682.479.282.782.682.379.783.397.797.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments klac:SemiconductorProcessControl100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, klac:SpecialtySemiconductorProcess


Revenue
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value91908810085756966840.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.15.55.86.96.05.04.95.37.70.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.15.55.86.96.05.04.95.37.70.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments klac:SpecialtySemiconductorProcess100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:OperatingSegments, us-gaap:AllOtherSegments


Revenue
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value0.1490.4490.140.3970.4690.5172.2314.5250.1510.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.00.00.20.40.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.00.00.20.40.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments us-gaap:AllOtherSegments100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService

klac:DefectInspection


Revenue
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value714687519489536606448345334505472455486400389416399428359322275227391399378372449497394343410427367396569474343443560563506410324255259
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax39.641.633.833.637.740.231.727.530.445.243.242.547.741.140.244.443.748.947.845.238.835.451.754.055.958.061.259.956.052.157.058.754.655.163.856.453.555.762.867.566.160.158.153.458.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax39.641.633.833.637.740.231.727.530.445.243.242.547.741.140.244.443.748.947.845.238.835.451.754.055.958.061.259.956.052.157.058.754.655.163.856.453.555.762.867.566.160.158.153.458.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax klac:DefectInspection100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

klac:OtherRevenue


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
Value474255605143594913428293815420262571189.68153.1872916162427308.73811121925131638433.479412524314.51417202017
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.52.43.43.93.53.03.93.510.72.62.73.514.42.12.72.67.62.11.12.10.34.12.42.63.33.74.61.41.61.52.83.91.92.35.86.00.45.04.03.13.60.52.33.13.63.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.52.43.43.93.53.03.93.510.72.62.73.514.42.12.72.67.62.11.12.10.34.12.42.63.33.74.61.41.61.52.83.91.92.35.86.00.45.04.03.13.60.52.33.13.63.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax klac:OtherRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

klac:PCBDisplayAndComponentInspection


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value184141115120143103129120126682220
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.67.87.07.89.87.38.68.510.06.22.11.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.67.87.07.89.87.38.68.510.06.22.11.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax klac:PCBDisplayAndComponentInspection100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

klac:Patterning


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value428399307370307298289382250285288309295251274294247272223172202164206198
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.222.118.624.121.121.019.227.119.926.025.828.327.624.628.230.426.429.925.523.022.023.229.130.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.222.118.624.121.121.019.227.119.926.025.828.327.624.628.230.426.429.925.523.022.023.229.130.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax klac:Patterning100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

klac:SpecialtySemiconductorProcess


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value817671748368605653760.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.24.34.44.85.74.84.04.04.27.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.24.34.44.85.74.84.04.04.27.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax klac:SpecialtySemiconductorProcess100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:Product


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value14811375123811451075105111441057917793852829840797761760
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax76.976.275.074.473.773.875.874.972.972.376.175.878.678.178.078.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax76.976.275.074.473.773.875.874.972.972.376.175.878.678.178.078.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Product100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Service


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value443428412393384372364355340304267264229223214208
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax23.123.825.025.626.326.224.225.127.127.723.924.221.421.922.021.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax23.123.825.025.626.326.224.225.127.127.723.924.221.421.922.021.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Service100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterest


Revenue
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-31
Value-0.583-0.711-0.2173.051-0.0080.3730.655
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.0-0.0-0.00.2-0.00.00.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.0-0.0-0.00.2-0.00.00.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementGeographical

country:CN


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value6093533824863773523813453992062693402641436616813711573851907291754930
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax31.719.623.131.625.924.725.324.531.818.824.131.124.714.16.817.414.612.78.311.420.810.212.911.76.54.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax31.719.623.131.625.924.725.324.531.818.824.131.124.714.16.817.414.612.78.311.420.810.212.911.76.54.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:CN100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

country:JP


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value157161156164116152194206119146180135138199154146918667104119144109719913184112899964816761
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.28.99.510.78.010.712.914.69.513.316.112.412.919.515.915.19.89.57.714.013.020.215.411.113.217.712.417.512.112.09.112.49.48.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.28.99.510.78.010.712.914.69.513.316.112.412.919.515.915.19.89.57.714.013.020.215.411.113.217.712.417.512.112.09.112.49.48.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:JP100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

country:KR


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value2485573471893052971811971071961261533193142702742951609613513084797381147106696080152778480
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.930.921.112.320.920.912.114.08.517.911.314.029.930.827.728.331.517.611.018.014.211.811.211.410.820.015.810.88.39.721.711.711.811.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.930.921.112.320.920.912.114.08.517.911.314.029.930.827.728.331.517.611.018.014.211.811.211.410.820.015.810.88.39.721.711.711.811.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:KR100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

country:TW


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value538401380369383349447386309275266254124156216138183310336273241147251254234178151126232242148117209227
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax28.022.323.124.026.324.629.627.424.625.123.823.311.615.322.214.319.634.038.336.526.320.735.439.531.124.122.419.731.729.221.117.829.031.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax28.022.323.124.026.324.629.627.424.625.123.823.311.615.322.214.319.634.038.336.526.320.735.439.531.124.122.419.731.729.221.117.829.031.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:TW100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

klac:EuropeAndIsrael


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302009-12-31
Value1189510083857697597776807182538283439193344837413957453655694570121375459597289699216872603926
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.15.36.15.45.95.36.54.26.26.97.26.67.75.28.48.64.610.110.74.65.35.35.86.27.66.15.48.69.45.510.018.55.27.58.98.28.110.610.811.718.98.67.95.86.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.15.36.15.45.95.36.54.26.26.97.26.67.75.28.48.64.610.110.74.65.35.35.86.27.66.15.48.69.45.510.018.55.27.58.98.28.110.610.811.718.98.67.95.86.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax klac:EuropeAndIsrael100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

klac:RestOfAsia


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value46606876343547355740453538413628213056295662111947657608481186120816336707668657167106107139112
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.43.34.15.02.32.53.22.54.63.74.13.33.64.13.73.02.33.36.43.96.28.715.714.710.17.89.013.111.122.417.112.48.85.010.410.67.77.811.18.512.012.818.316.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.43.34.15.02.32.53.22.54.63.74.13.33.64.13.73.02.33.36.43.96.28.715.714.710.17.89.013.111.122.417.112.48.85.010.410.67.77.811.18.512.012.818.316.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax klac:RestOfAsia100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:NorthAmerica


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value206174214170157159158181187156150102102113149129
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.79.713.011.110.811.210.512.914.914.313.49.39.611.115.313.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.79.713.011.110.811.210.512.914.914.313.49.39.611.115.313.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:NorthAmerica100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
Value19251803165015381459142315091413125810971119109310701021975969938913876750919712710642756738676642734831705658720729673720892840642796892834766682559478440342
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:SellingGeneralAndAdministrativeExpense


Selling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value19218318117216718519218819018211211411611310510710596939410387969110198104101969396989798949793909394919891888793102
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.010.111.011.211.513.012.713.315.116.610.010.510.911.110.811.111.210.510.712.611.312.313.614.313.513.415.515.813.111.213.715.013.613.514.013.510.510.814.611.810.211.911.912.915.619.623.3

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value102719939981493209279884592509229900891875605564556195598540756905532532450944996496247824572457148264902498753015538548654405283528751945068506551004933470045654675444941683907
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value68956826686465576598652065626549633063024007407739984228418142264205417741294214427343054206427644044408438517711869184618901792180517481707171317841774173216301814177617021660
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 Assets67.168.769.970.471.173.770.971.070.368.671.572.271.275.577.374.376.078.581.184.486.190.092.093.691.389.987.933.433.833.734.733.934.133.733.733.835.036.036.935.738.839.940.842.5

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value102719939981493209279884592509229900891875605564556195598540756905532532450944996496247824572457148264902498753015538548654405283528751945068506551004933470045654675444941683907
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 End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-302009-06-302008-06-30
Value3377311429352747266523072669266126592849159715671620137012251463132611479657816894763652944214936023529366936393550349134823446336133523315315829682934286026732466224621842981
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets32.931.329.929.528.726.128.928.829.531.028.527.828.824.522.725.724.021.518.915.613.910.08.06.48.710.112.166.666.266.365.366.165.966.366.366.265.064.063.164.361.260.159.257.50.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

klac:AOCIDerivativeParent


Stockholders
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-312019-06-302018-06-30
Value-25.83-23.222-30.816-29.602-29.828-7.591-10.7912.346
Percentage of StockholdersEquity-0.8-0.7-1.0-1.1-1.3-0.3-0.40.1
Percentage of Assets-0.3-0.2-0.3-0.3-0.3-0.1-0.10.0
Percentage of Assets klac:AOCIDerivativeParent0.00.00.00.00.00.00.00.0

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-06-30
Value-23.497-18.876-19.748-19.369-16.25-17.544-17.969-17.918-18.647-15.83-16.268-16.681-14.859-22.142-22.114-22.055-22.021-19.271-19.423-20.242-20.487-15.935
Percentage of StockholdersEquity-0.7-0.6-0.7-0.7-0.6-0.8-0.7-0.7-0.7-0.6-1.0-1.1-0.9-1.6-1.8-1.5-1.7-1.7-2.0-2.6-3.0-3.8
Percentage of Assets-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.3-0.3-0.3-0.4-0.4-0.4-0.4-0.4-0.4-0.4-0.4-0.3
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Stockholders
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-06-302018-06-30
Value-19.333-24.204-24.014-23.25-23.382-5.961-8.7251.932
Percentage of StockholdersEquity-0.6-0.8-0.9-0.9-1.0-0.2-0.30.1
Percentage of Assets-0.2-0.2-0.3-0.3-0.3-0.1-0.10.0
Percentage of Assets us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges


Stockholders
Period End2021-06-302020-06-302019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-06-30
Value-20.092-23.25-7.964-8.725-6.266-4.402111.9323.0513.9574.1455.2216.538100.4810.7754.553
Percentage of StockholdersEquity-0.6-0.9-0.3-0.3-0.2-0.30.80.10.20.30.30.40.61.10.10.11.1
Percentage of Assets-0.2-0.3-0.1-0.1-0.1-0.10.20.00.10.10.10.10.10.20.00.00.1
Percentage of Assets us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-06-30
Value0.5951.0382.0542.8573.683-0.2240.6610.113-1.616-3.181-6.736-9.277-11.032-12.143-7.751-3.272-3.869-3.947-5.0570.8463.4510.734
Percentage of StockholdersEquity0.00.00.10.10.1-0.00.00.0-0.1-0.1-0.4-0.6-0.7-0.9-0.6-0.2-0.3-0.3-0.50.10.50.2
Percentage of Assets0.00.00.00.00.0-0.00.00.0-0.0-0.0-0.1-0.2-0.2-0.2-0.1-0.1-0.1-0.1-0.10.00.10.0
Percentage of Assets us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-06-302014-06-302013-06-302012-06-302011-06-302010-06-302009-06-302008-06-30
Value-75.557-70.473-72.704-79.446-79.774-88.294-66.758-71.855-73.029-68.907-70.447-56.167-53.933-54.277-52.522-50.781-51.323-48.884-52.156-46.633-48.685-40.573-30.271-36.646-21.143-2.399-31.303-21.21747
Percentage of StockholdersEquity-2.2-2.3-2.5-2.9-3.0-3.8-2.5-2.7-2.7-2.4-4.4-3.6-3.3-4.0-4.3-3.5-3.9-4.3-5.4-6.0-7.1-9.6-0.8-1.1-0.6-0.1-1.4-1.01.6
Percentage of Assets-0.7-0.7-0.7-0.9-0.9-1.0-0.7-0.8-0.8-0.7-1.3-1.0-1.0-1.0-1.0-0.9-0.9-0.9-1.0-0.9-1.0-0.8-0.5-0.7-0.4-0.1-0.80.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-06-30
Value-32.563-33.302-30.806-38.92-43.957-47.144-43.489-46.086-44.041-43.63-43.041-42.05-29.974-23.043-26.614-29.599-30.654-32.204-37.937-27.718-32.424-29.925
Percentage of StockholdersEquity-1.0-1.1-1.0-1.4-1.6-2.0-1.6-1.7-1.7-1.5-2.7-2.7-1.8-1.7-2.2-2.0-2.3-2.8-3.9-3.5-4.7-7.1
Percentage of Assets-0.3-0.3-0.3-0.4-0.5-0.5-0.5-0.5-0.5-0.5-0.8-0.7-0.5-0.4-0.5-0.5-0.6-0.6-0.7-0.6-0.7-0.6
Percentage of Assets us-gaap:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets Current

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value56965405522247544723431843774355431544424485452145494540435345594392425340313929386839063684367539043967404643684586454245074354435142634136414041643987374935963676343031262835
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 Assets55.554.453.251.050.948.847.347.247.948.480.080.181.081.180.580.179.479.979.178.677.981.780.680.480.980.981.182.482.882.882.882.482.382.181.681.781.680.879.878.878.677.175.072.6

Cash

us-gaap:Cash

us-gaap:Cash


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-06-30
Value64165454247146044441250347944620446747355348136030734432732033032225119618315811110510686122176125156125111126141192156165206153
Percentage of Cash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.26.65.55.15.05.04.55.55.34.93.68.38.49.98.96.35.66.56.46.46.76.75.54.33.83.22.22.01.91.62.33.32.43.02.52.22.52.94.13.43.54.63.9

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-06-302008-06-30
Value1434145214311215123494693998810151092179316491404125510731320115395593796611089258867638386215846696307767939049859347677097517638247457116385965385295435315241128
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 Assets14.014.614.613.013.310.710.210.711.311.932.029.225.022.419.923.220.818.018.419.322.319.419.416.717.412.711.712.611.414.114.617.118.618.015.114.014.715.517.516.315.214.414.30.013.60.00.00.00.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-06-302016-06-30
Value1434145214311215123494693998810151092179316491404125511531108
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets14.014.614.613.013.310.710.210.711.311.932.029.225.022.420.822.3

Accounts Receivable Net Current

us-gaap:AccountsReceivableNetCurrent

us-gaap:AccountsReceivableNetCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value13051201121910281107111911911066990958658602651660740666571734663654613624427460585631632444492557573440524454606537701638544461583566531440
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 Assets12.712.112.411.011.912.712.911.611.010.411.710.711.611.813.711.710.313.813.013.112.413.19.310.112.112.912.78.48.910.210.58.39.98.712.010.613.712.911.610.112.512.712.711.3

Inventory Net

us-gaap:InventoryNet

us-gaap:InventoryNet


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value15751450142013941310126412511254126213171005993931858787762732696671703698721691650617632662676656680663660634649662689650650639612575556504401
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 Assets15.314.614.515.014.114.313.513.614.014.317.917.616.615.314.613.413.213.113.214.114.115.115.114.212.812.913.312.811.912.412.212.512.012.513.113.612.813.213.613.412.312.512.110.3

Inventory Finished Goods

us-gaap:InventoryFinishedGoods

us-gaap:InventoryFinishedGoods


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value17717316516715815014318020419884806654536254485262676857525748536060636452475447584856586759644950
Percentage of InventoryFinishedGoods100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.71.71.71.81.71.71.62.02.32.21.51.41.21.01.01.11.00.91.01.21.41.41.21.11.21.01.11.11.11.21.21.00.91.00.91.11.01.11.31.51.31.41.21.3

Other Assets Current

us-gaap:OtherAssetsCurrent

us-gaap:OtherAssetsCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value3203092862883243002572833232701271448513166737111810376641021066277126126736994120110751011201079212592132147161120131
Percentage of OtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.13.12.93.13.53.42.83.13.62.92.32.61.52.31.21.31.32.22.01.51.32.12.31.41.62.62.51.41.21.72.22.11.41.92.42.11.82.52.02.93.13.62.93.4

Land

us-gaap:Land

us-gaap:Land


Land
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-06-302013-06-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value6767676767676767674140404040404040404040404040404041414141414141414141
Percentage of Land100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.70.70.70.70.70.80.70.70.80.50.70.70.70.70.80.70.70.80.80.80.80.90.90.90.80.80.80.80.80.90.90.90.91.01.1

Machinery And Equipment Gross

us-gaap:MachineryAndEquipmentGross

us-gaap:MachineryAndEquipmentGross


Machinery
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-06-302013-06-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value743736722695677659699680669662602583577577568555551537528510507508508510510491476443444466457447451456443
Percentage of MachineryAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.27.47.47.57.37.57.67.47.47.210.710.310.310.310.59.810.010.110.410.210.210.611.111.210.68.99.08.79.09.910.09.610.210.911.3

Noncurrent Assets

us-gaap:NoncurrentAssets

us-gaap:NoncurrentAssets


Noncurrent
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-06-30
Value663628594561519497489475448411306291286284281279283285279278
Percentage of NoncurrentAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.56.36.16.05.65.65.35.15.04.55.55.25.15.15.24.95.15.45.55.6

us-gaap:NoncurrentAssets us-gaap:StatementGeographical

country:IL


Noncurrent
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-06-30
Value5755575759585963666527272627282930323130
Percentage of NoncurrentAssets8.78.99.710.311.411.712.213.314.715.89.09.49.49.810.210.710.611.211.411.1
Percentage of Assets0.60.60.60.60.60.70.60.70.70.70.50.50.50.50.50.50.50.60.60.6
Percentage of Assets country:IL0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

country:SG


Noncurrent
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-06-30
Value7673685654515352494949474744414039404041
Percentage of NoncurrentAssets11.611.711.410.110.610.310.911.111.012.116.116.316.415.814.914.513.814.114.415.0
Percentage of Assets0.70.70.70.60.60.60.60.60.50.50.90.80.80.80.80.70.70.80.80.8
Percentage of Assets country:SG0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

country:US


Noncurrent
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-06-30
Value447419391371329310297279253222205192187185186185191190185182
Percentage of NoncurrentAssets67.566.865.866.263.462.460.858.856.454.067.066.065.465.366.166.167.366.666.165.7
Percentage of Assets4.44.24.04.03.63.53.23.02.82.43.73.43.33.33.43.33.53.63.63.7
Percentage of Assets country:US0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

klac:RestOfAsia


Noncurrent
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-06-30
Value24232118181818181717111112121111109.9149.3569.568
Percentage of NoncurrentAssets3.73.83.63.33.53.73.83.94.04.23.73.94.24.64.14.03.63.53.33.4
Percentage of Assets0.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.2
Percentage of Assets klac:RestOfAsia0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

srt:Europe


Noncurrent
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value56565556585959616257121212
Percentage of NoncurrentAssets8.68.99.410.111.211.912.212.913.813.94.24.44.5
Percentage of Assets0.60.60.60.60.60.70.60.70.70.60.20.20.2
Percentage of Assets srt:Europe0.00.00.00.00.00.00.00.00.00.00.00.00.0

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value14851438138513371274123412811240119411481022994984977961946937924911893888894892894892888878872865875865846828815797782761755774762750750755735
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets14.514.514.114.313.714.013.913.413.312.518.217.617.517.517.816.616.917.417.917.917.918.719.519.618.518.117.616.415.616.015.916.015.715.715.715.514.915.316.516.716.116.918.118.8

Furniture And Fixtures Gross

us-gaap:FurnitureAndFixturesGross

us-gaap:FurnitureAndFixturesGross


Furniture
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-06-302013-06-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value3232323129303429282822222221212121212121212121212120201919212019192223
Percentage of FurnitureAndFixturesGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.30.30.30.30.30.40.30.30.30.40.40.40.40.40.40.40.40.40.40.40.50.50.50.40.40.40.40.40.50.40.40.40.50.6

Construction In Progress Gross

us-gaap:ConstructionInProgressGross

us-gaap:ConstructionInProgressGross


Construction
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-06-302013-06-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value18214912610993796356262716159.187.267.2146.594.5976.5126.2555.815.2864.0573.4324.9273.1528.9451611127.818.6896.9794.8214.8282.603
Percentage of ConstructionInProgressGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.81.51.31.21.00.90.70.60.30.30.30.30.20.10.10.10.10.10.10.10.10.10.10.10.10.20.30.20.20.20.20.10.10.10.1

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value822809791775754737791765745737716703698693679666653638631620610606600591577566555542535549539526523516504494483485506498493499506498
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.08.18.18.38.18.38.68.38.38.012.812.512.412.412.611.711.812.012.412.412.312.713.112.912.011.611.110.29.710.09.910.09.99.910.09.89.59.810.810.910.511.212.112.8

Amortization Of Intangible Assets

us-gaap:AmortizationOfIntangibleAssets

us-gaap:AmortizationOfIntangibleAssets


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value525251505154565758251.31.41.01.21.21.20.70.50.51.31.31.31.33.73.74.04.04.14.33.53.94.54.54.54.67.27.37.37.78.0
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
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

us-gaap:AmortizationOfIntangibleAssets us-gaap:IncomeStatementLocation

us-gaap:CostOfSales


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value404038373636363534150.9680.890.7291.122
Percentage of AmortizationOfIntangibleAssets77.576.975.973.372.167.564.161.559.161.074.563.672.993.5
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CostOfSales0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ResearchAndDevelopmentExpense


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.0310.0320.0310.0310.0310.0310.1310.0310.0010.0120.00.00.00.0
Percentage of AmortizationOfIntangibleAssets0.10.10.10.10.10.10.20.10.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:ResearchAndDevelopmentExpense0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:SellingGeneralAndAdministrativeExpenses


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value111212131417202224100.3430.5440.3150.065
Percentage of AmortizationOfIntangibleAssets22.523.024.126.627.932.535.738.440.939.026.438.931.55.4
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:SellingGeneralAndAdministrativeExpenses0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value663628594561519497489475448411306291286284281279283285279272278287292302314321323329330326325319305298292288277270267264257250249236
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 Assets6.56.36.16.05.65.65.35.15.04.55.55.25.15.15.24.95.15.45.55.55.66.06.46.66.56.56.56.26.05.96.06.15.85.75.85.75.45.55.75.85.55.66.06.1

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-302009-12-312009-06-30
Value2011201120452045204520432299226322112172360360354349350349349335335335335335335335335335335335335335326326326326326326327327327327328328328328333329
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets19.620.220.821.922.023.124.924.524.623.76.46.46.36.36.56.16.36.36.66.76.87.07.37.36.96.86.76.36.16.16.06.26.26.36.46.56.46.67.07.27.07.47.98.40.00.0

us-gaap:Goodwill us-gaap:ReportingUnit

klac:ComponentInspection


Goodwillus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-06-302017-06-30
Value1313131313131313130.00.0
Percentage of Goodwill0.70.70.70.70.70.70.60.60.60.00.0
Percentage of Assets0.10.10.10.10.10.20.10.10.20.00.0
Percentage of Assets klac:ComponentInspection0.00.00.00.00.00.00.00.00.00.00.0

klac:GlobalServiceAndSupport


Goodwillus-gaap:
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-06-302017-06-30
Value2525252525252525258.0392.856
Percentage of Goodwill1.31.31.31.31.31.11.11.21.22.30.8
Percentage of Assets0.30.30.30.30.30.30.30.30.30.10.1
Percentage of Assets klac:GlobalServiceAndSupport0.00.00.00.00.00.00.00.00.00.00.0

klac:PCBAndDisplay


Goodwillus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-06-302017-06-30
Value87287290790790790710239879890.00.0
Percentage of Goodwill43.443.444.444.444.444.444.543.644.80.00.0
Percentage of Assets8.58.89.29.79.810.311.110.711.00.00.0
Percentage of Assets klac:PCBAndDisplay0.00.00.00.00.00.00.00.00.00.00.0

klac:SpecialtySemiconductorProcess


Goodwillus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-06-302017-06-30
Value6816816816816816818218218210.00.0
Percentage of Goodwill33.933.933.333.333.333.435.736.337.20.00.0
Percentage of Assets6.66.96.97.37.37.78.98.99.10.00.0
Percentage of Assets klac:SpecialtySemiconductorProcess0.00.00.00.00.00.00.00.00.00.00.0

klac:WaferInspectionAndPatterning


Goodwillus-gaap:
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-06-302017-06-30
Value4164164164164144144143600.00.0
Percentage of Goodwill20.720.420.420.420.318.018.316.30.00.0
Percentage of Assets4.24.24.54.54.74.54.54.00.00.0
Percentage of Assets klac:WaferInspectionAndPatterning0.00.00.00.00.00.00.00.00.00.0

klac:WaferInspectionAndPatterningReportingUnit


Goodwillus-gaap:
Period End2021-06-302020-06-302019-06-30
Value416416360
Percentage of Goodwill20.720.416.3
Percentage of Assets4.14.54.0
Percentage of Assets klac:WaferInspectionAndPatterningReportingUnit0.00.00.0

Indefinite Lived Intangible Assets Excluding Goodwill

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill

us-gaap:InProcessResearchAndDevelopment


Indefinite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-06-30
Value6366721751751751901901871830.0
Percentage of IndefiniteLivedIntangibleAssetsExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets0.60.70.71.91.92.02.12.12.12.00.0
Percentage of Assets us-gaap:InProcessResearchAndDevelopment0.00.00.00.00.00.00.00.00.00.00.0

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value1185123712891340139114371492154915601694232519151617182.0382.5513.0654.3315.6256.9348.242111519232731263034394348556270778593101117
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 Assets11.512.513.114.415.016.316.116.817.318.40.40.40.30.30.30.30.30.00.10.10.10.10.20.20.20.30.40.40.50.60.50.60.70.80.90.91.11.31.51.71.82.12.43.0

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value1122117112171165121512621301135813731511232519151617182.0382.5513.0654.3315.6256.9348.242111519232731263034394348556270778593101117
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.911.812.412.513.114.314.114.715.216.40.40.40.30.30.30.30.30.00.10.10.10.10.20.20.20.30.40.40.50.60.50.60.70.80.90.91.11.31.51.71.82.12.43.0

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

klac:ExistingTechnology


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value883921955890927960982101910281076202016131415161.9982.4982.9993.4993.9994.4994.9996.9958.991101315171012141618202427313540444957
Percentage of FiniteLivedIntangibleAssetsNet78.778.678.476.476.376.175.575.074.971.284.183.386.289.489.489.389.298.097.997.880.871.164.960.758.857.856.255.254.553.741.442.242.242.142.041.943.544.545.446.147.047.848.449.0
Percentage of Assets8.69.39.79.610.010.910.611.011.411.70.40.40.30.20.30.30.30.00.00.10.10.10.10.10.10.20.20.20.30.30.20.20.30.30.40.40.50.60.70.80.91.01.21.5
Percentage of Assets klac:ExistingTechnology0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

klac:TradeNameTrademark


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value636771747881858889930.930.9730.9330.9721.0121.0511.0910.00.00.00.150.3080.4710.6330.9941.3551.7162.0912.4662.8413.2163.593.9654.344.7155.095.4655.846.2156.596.9867.3827.7948.763
Percentage of FiniteLivedIntangibleAssetsNet5.75.85.86.46.46.56.56.56.56.23.93.94.86.36.15.95.80.00.00.03.55.56.87.78.48.78.88.98.98.912.312.011.511.110.810.69.89.38.98.58.17.97.67.5
Percentage of Assets0.60.70.70.80.80.90.91.01.01.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.10.10.10.10.10.10.10.10.10.10.20.20.2
Percentage of Assets klac:TradeNameTrademark0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CustomerRelationships


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value1741821901982072142222302303102.6622.8161.5440.6190.6440.6820.7210.040.0530.0660.6821.3181.9642.613.2563.9024.3235.0445.7656.4867.1638.0069.4171012131516181921222427
Percentage of FiniteLivedIntangibleAssetsNet15.515.615.717.117.017.017.117.016.820.611.211.28.04.03.93.83.82.02.12.215.723.428.331.727.425.122.121.420.820.327.426.727.327.828.228.627.526.726.025.424.724.223.823.2
Percentage of Assets1.71.81.92.12.22.42.42.52.63.40.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.10.10.10.10.10.10.20.20.20.20.30.30.30.40.40.50.50.60.7
Percentage of Assets us-gaap:CustomerRelationships0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherIntangibleAssets


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value0.4410.4850.8531.4563.1895.767112024300.1980.4040.199
Percentage of FiniteLivedIntangibleAssetsNet0.00.00.10.10.30.50.91.51.82.00.81.61.0
Percentage of Assets0.00.00.00.00.00.10.10.20.30.30.00.00.0
Percentage of Assets us-gaap:OtherIntangibleAssets0.00.00.00.00.00.00.00.00.00.00.00.00.0

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value1021011039810098103105
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.01.01.11.11.11.11.11.1

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssetsNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value444416403371362340377368265260204225216213211201195190185188174246253249259263262244258251254252269266269260275284286298328345362389
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 Assets4.34.24.14.03.93.94.14.03.02.83.64.03.93.83.93.53.53.63.63.83.55.25.55.55.45.45.34.64.74.64.74.85.15.15.35.15.45.86.16.57.07.88.710.0

Accounts Payable Current

us-gaap:AccountsPayableCurrent

us-gaap:AccountsPayableCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value342295262254264243256221202206152154169169149138147139116105106126122107103103108108103120141114115107103116139139129114142142123107
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 Assets3.33.02.72.72.82.72.82.42.22.22.72.73.03.02.82.42.72.62.32.12.12.62.72.32.12.12.22.01.92.22.62.22.22.12.02.32.72.82.72.53.13.23.02.8

Liabilities Current

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value210320292020174816991653171819431768170014821310121812001166146612931249118797410029978589151001976942804895887927835861820781787862872829734882856793771
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets20.520.420.618.818.318.718.621.119.618.526.423.221.721.421.625.823.423.523.319.520.220.918.820.020.819.918.915.216.216.217.115.816.315.815.415.516.917.717.716.118.919.319.019.8

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value3231312928
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0100.0
Percentage of Assets0.30.30.30.30.3

Other Accrued Liabilities Current

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:OtherAccruedLiabilitiesCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value1801551561591831641601631961761079312310586127116999689111848294132106105157158130121122130130133128145127138116115718777
Percentage of OtherAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.81.61.61.72.01.91.71.82.21.91.91.72.21.91.62.22.11.91.91.82.21.81.82.12.72.22.13.02.92.42.22.32.52.52.62.52.92.62.92.62.51.62.12.0

Other Liabilities Current

us-gaap:OtherLiabilitiesCurrent

us-gaap:OtherLiabilitiesCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value1161112912239998658591010993827833714773699716703806649618570629662626540609661631564553585547495500527511468471513491462436502438396422
Percentage of OtherLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets11.311.412.510.79.39.710.910.89.29.112.813.712.512.813.014.211.711.611.212.613.313.111.813.313.712.911.310.410.610.09.19.510.09.99.29.310.110.09.89.610.79.99.510.8

Taxes Payable Current

us-gaap:TaxesPayableCurrent

us-gaap:TaxesPayableCurrent


Taxes
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value87761167535318086237.117336923372234171923212719181615121315159.4221314119.53311111111201216202135
Percentage of TaxesPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.90.81.20.80.40.40.90.90.30.10.61.20.40.70.40.60.30.40.50.40.60.40.40.40.30.30.30.30.30.20.20.30.20.20.20.20.20.20.40.30.40.50.50.9

Long Term Debt

us-gaap:LongTermDebt

us-gaap:LongTermDebt


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-06-30
Value342234423461342034693443339934243423342222382237223724612486277429302954297930183057309731313151319032363246747
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets33.334.635.336.737.438.936.837.138.037.339.939.639.844.046.048.853.055.558.560.461.664.868.568.966.166.065.113.5

Long Term Debt Noncurrent

us-gaap:LongTermDebtNoncurrent

us-gaap:LongTermDebtNoncurrent


Long
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-06-30
Value3422344134203469344333993174317331721988223722372461248625242680270427293057309731313151317331993208747
Percentage of LongTermDebtNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets34.435.136.737.438.936.834.435.234.535.539.639.844.046.044.448.550.853.661.664.868.568.965.865.364.313.5

Unsecured Long Term Debt

us-gaap:UnsecuredLongTermDebt

us-gaap:UnsecuredLongTermDebt


Unsecured
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-06-302014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value342234413420346934433399317431733172198822372237246124862524268027042729301830573173748747747747747747747747746746746746746746746746745
Percentage of UnsecuredLongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets34.435.136.737.438.936.834.435.234.535.539.639.844.046.044.448.550.853.660.461.665.814.113.513.613.714.114.114.414.714.714.615.115.916.316.016.817.919.1

Deferred Income Tax Liabilities Net

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:DeferredIncomeTaxLiabilitiesNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-06-30
Value6506296466566606476806887027621.197
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.36.36.67.07.17.37.47.57.88.30.0

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-06-30
Value-1.912-1.99215151517181818360.0
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets-0.0-0.00.20.20.20.20.20.20.20.40.0

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value63165866764667267566364358757544644747149446017517216014916115615916716518217917916248353536368992908978807373707169
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 Assets6.16.66.86.97.27.67.27.06.56.38.07.98.48.88.53.13.13.02.93.23.23.33.73.63.83.73.63.10.90.60.70.70.71.71.81.81.71.61.71.61.61.61.71.8

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value7070746970
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0
Percentage of Assets0.70.70.80.70.8

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value24211916
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0100.0100.0100.0
Percentage of Assets0.20.20.20.2

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value15141310
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0100.0100.0100.0
Percentage of Assets0.20.10.10.1

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value1211119.065
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0100.0100.0100.0
Percentage of Assets0.10.10.10.1

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2021-06-30
Value9168000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0
Percentage of Assets0.1

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2021-06-30
Value12
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0
Percentage of Assets0.1

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value103102105989996102104
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.01.01.11.11.11.11.11.1

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value107106110104
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0100.0100.0100.0
Percentage of Assets1.01.11.11.1

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value4496000.04803000.05285000.05507000.0
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0100.0100.0100.0
Percentage of Assets0.00.00.10.1

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-302009-06-302008-06-30
Value3377311429352747266523072669266126592849159715671620137012251463132611479657816894763652944214936023529366936393550349134823446336133523315315829682934286026732466224621842981
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets32.931.329.929.528.726.128.928.829.531.028.527.828.824.522.725.724.021.518.915.613.910.08.06.48.710.112.166.666.266.365.366.165.966.366.366.265.064.063.164.361.260.159.257.50.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

klac:AOCIDerivativeParent


Stockholders
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-312019-06-302018-06-30
Value-25.83-23.222-30.816-29.602-29.828-7.591-10.7912.346
Percentage of StockholdersEquity-0.8-0.7-1.0-1.1-1.3-0.3-0.40.1
Percentage of Assets-0.3-0.2-0.3-0.3-0.3-0.1-0.10.0
Percentage of Assets klac:AOCIDerivativeParent0.00.00.00.00.00.00.00.0

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-06-30
Value-23.497-18.876-19.748-19.369-16.25-17.544-17.969-17.918-18.647-15.83-16.268-16.681-14.859-22.142-22.114-22.055-22.021-19.271-19.423-20.242-20.487-15.935
Percentage of StockholdersEquity-0.7-0.6-0.7-0.7-0.6-0.8-0.7-0.7-0.7-0.6-1.0-1.1-0.9-1.6-1.8-1.5-1.7-1.7-2.0-2.6-3.0-3.8
Percentage of Assets-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.3-0.3-0.3-0.4-0.4-0.4-0.4-0.4-0.4-0.4-0.4-0.3
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Stockholders
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-06-302018-06-30
Value-19.333-24.204-24.014-23.25-23.382-5.961-8.7251.932
Percentage of StockholdersEquity-0.6-0.8-0.9-0.9-1.0-0.2-0.30.1
Percentage of Assets-0.2-0.2-0.3-0.3-0.3-0.1-0.10.0
Percentage of Assets us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges


Stockholders
Period End2021-06-302020-06-302019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-06-30
Value-20.092-23.25-7.964-8.725-6.266-4.402111.9323.0513.9574.1455.2216.538100.4810.7754.553
Percentage of StockholdersEquity-0.6-0.9-0.3-0.3-0.2-0.30.80.10.20.30.30.40.61.10.10.11.1
Percentage of Assets-0.2-0.3-0.1-0.1-0.1-0.10.20.00.10.10.10.10.10.20.00.00.1
Percentage of Assets us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-06-30
Value0.5951.0382.0542.8573.683-0.2240.6610.113-1.616-3.181-6.736-9.277-11.032-12.143-7.751-3.272-3.869-3.947-5.0570.8463.4510.734
Percentage of StockholdersEquity0.00.00.10.10.1-0.00.00.0-0.1-0.1-0.4-0.6-0.7-0.9-0.6-0.2-0.3-0.3-0.50.10.50.2
Percentage of Assets0.00.00.00.00.0-0.00.00.0-0.0-0.0-0.1-0.2-0.2-0.2-0.1-0.1-0.1-0.1-0.10.00.10.0
Percentage of Assets us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-06-302014-06-302013-06-302012-06-302011-06-302010-06-302009-06-302008-06-30
Value-75.557-70.473-72.704-79.446-79.774-88.294-66.758-71.855-73.029-68.907-70.447-56.167-53.933-54.277-52.522-50.781-51.323-48.884-52.156-46.633-48.685-40.573-30.271-36.646-21.143-2.399-31.303-21.21747
Percentage of StockholdersEquity-2.2-2.3-2.5-2.9-3.0-3.8-2.5-2.7-2.7-2.4-4.4-3.6-3.3-4.0-4.3-3.5-3.9-4.3-5.4-6.0-7.1-9.6-0.8-1.1-0.6-0.1-1.4-1.01.6
Percentage of Assets-0.7-0.7-0.7-0.9-0.9-1.0-0.7-0.8-0.8-0.7-1.3-1.0-1.0-1.0-1.0-0.9-0.9-0.9-1.0-0.9-1.0-0.8-0.5-0.7-0.4-0.1-0.80.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-06-30
Value-32.563-33.302-30.806-38.92-43.957-47.144-43.489-46.086-44.041-43.63-43.041-42.05-29.974-23.043-26.614-29.599-30.654-32.204-37.937-27.718-32.424-29.925
Percentage of StockholdersEquity-1.0-1.1-1.0-1.4-1.6-2.0-1.6-1.7-1.7-1.5-2.7-2.7-1.8-1.7-2.2-2.0-2.3-2.8-3.9-3.5-4.7-7.1
Percentage of Assets-0.3-0.3-0.3-0.4-0.5-0.5-0.5-0.5-0.5-0.5-0.8-0.7-0.5-0.4-0.5-0.5-0.6-0.6-0.7-0.6-0.7-0.6
Percentage of Assets us-gaap:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-06-302016-06-30
Value33753112295027622681232526872679267728851597156716201326689
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets32.931.330.129.628.926.329.129.029.731.428.527.828.824.013.9

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:StatementEquityComponents

srt:CumulativeEffectPeriodOfAdoptionAdjustment, us-gaap:RetainedEarnings


Stockholders
Period End2020-07-012020-06-302018-06-30
Value-5.5-5.53-21.215
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.0-0.2-1.3
Percentage of Assets0.0-0.1-0.4
Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment us-gaap:RetainedEarnings0.00.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-06-30
Value-75.557-70.473-72.704-79.446-79.774-88.294-66.758-71.855-73.029-68.907-70.447-56.167-53.933-54.277-52.522-50.781-51.323-48.685
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-2.2-2.3-2.5-2.9-3.0-3.8-2.5-2.7-2.7-2.4-4.4-3.6-3.30.00.00.0-3.9-7.1
Percentage of Assets-0.7-0.7-0.7-0.9-0.9-1.0-0.7-0.8-0.8-0.7-1.3-1.0-1.0-1.0-1.0-0.9-0.9-1.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStockIncludingAdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-06-30
Value2175211521042072209020192017199920171989619596617561548518529452
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest64.568.071.375.078.086.875.174.675.369.038.838.038.10.00.00.039.965.7
Percentage of Assets21.221.321.422.222.522.821.821.722.421.711.010.611.010.010.19.19.69.1
Percentage of Assets us-gaap:CommonStockIncludingAdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-06-302016-06-30
Value-1.912-1.99215151517181818360.00.00.00.00.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-0.1-0.10.50.50.60.80.70.70.71.30.00.00.00.00.0
Percentage of Assets-0.0-0.00.20.20.20.20.20.20.20.40.00.00.00.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-06-30
Value33773114293527472665230726692661265928491597156716201370122514631326689
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.1100.199.599.599.499.299.399.399.398.7100.0100.0100.00.00.00.0100.0100.0
Percentage of Assets32.931.329.929.528.726.128.928.829.531.028.527.828.824.522.725.724.013.9
Percentage of Assets us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-06-30
Value12771070903753654376719733714928104810271056862729996848284
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest37.834.430.627.324.416.226.727.426.732.265.665.565.20.00.00.064.041.3
Percentage of Assets12.410.89.28.17.14.37.87.97.910.118.718.218.815.413.517.515.35.7
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-302013-06-302012-06-302011-06-302010-06-30
Value153000.0155000.0159000.0156000.0157000.0156000.0158000.0165000.0165000.0167000.0167000.0168000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.0

Additional Paid In Capital Common Stock

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AdditionalPaidInCapitalCommonStock


Additional
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-302013-06-302012-06-302011-06-302010-06-30
Value2175209020176175294524741220115910891010921
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets21.222.522.411.09.69.19.822.021.921.421.623.6

Common Stocks Including Additional Paid In Capital

us-gaap:CommonStocksIncludingAdditionalPaidInCapital

us-gaap:CommonStocksIncludingAdditionalPaidInCapital


Common
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-06-30
Value21152104207220902019201719992017198961959661756154851852949348344745242441638547453461312351220120611931159
Percentage of CommonStocksIncludingAdditionalPaidInCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets21.321.422.222.522.821.821.722.421.711.010.611.010.010.19.19.69.39.58.99.18.99.18.49.810.912.323.322.022.021.921.9

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value12771070903753654376719733714928104810271056862729996848702534381284950.0-45.055-12.362-2.5822423292479246423862344235923292252225622472075192819101852167415061356
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets12.410.89.28.17.14.37.87.97.910.118.718.218.815.413.517.515.313.210.57.65.72.00.0-1.0-0.3-0.10.543.944.844.943.944.444.644.844.444.644.142.141.041.839.637.636.134.7

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value-75557000.0-70473000.0-72704000.0-79446000.0-79774000.0-88294000.0-66758000.0-71855000.0-73029000.0-68907000.0-70447000.0-56167000.0-53933000.0-54277000.0-52522000.0-50781000.0-51323000.0-48884000.0-52156000.0-46633000.0-48685000.0-43023000.0-50519000.0-46137000.0-40573000.0-37807000.0-35753000.0-36202000.0-30271000.0-31350000.0-30248000.0-31891000.0-36646000.0-24827000.0-15058000.0-13111000.0-21143000.0-7957000.0-10712000.0-6965000.0-2399000.0-8521000.0-13383000.0-31303000.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-0.7-0.7-0.7-0.9-0.9-1.0-0.7-0.8-0.8-0.7-1.3-1.0-1.0-1.0-1.0-0.9-0.9-0.9-1.0-0.9-1.0-0.9-1.1-1.0-0.8-0.8-0.7-0.7-0.5-0.6-0.6-0.6-0.7-0.5-0.3-0.3-0.4-0.2-0.2-0.2-0.1-0.2-0.3-0.8

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-06-30
Value-1.912-1.99215151517181818360.0
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets-0.0-0.00.20.20.20.20.20.20.20.40.0

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

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


Adjustments
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-312018-12-312018-09-30
Value302626312626341516
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:CommonStockIncludingAdditionalPaidInCapital


Adjustments
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-312018-12-312018-09-302018-03-312017-12-312017-09-30
Value302626312626341516161314
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue99.399.1100.0100.0100.0100.0100.0100.0100.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStockIncludingAdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Adjustments
Period End2021-03-312020-12-31
Value0.2070.231
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue0.70.9
Percentage of Assets0.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.0

us-gaap:Parent


Adjustments
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-312018-12-312018-09-302018-03-312017-12-312017-09-30
Value302626312626341516161314
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue99.399.1100.0100.0100.0100.0100.0100.0100.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4656465615124524423874963251632823813733521293734622242221693541111001933172421134248237115177175414772452732621872182892431939583127
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax24.235.834.033.331.031.025.735.125.914.925.234.934.934.513.338.549.324.625.422.638.515.714.130.242.032.81.65.433.928.616.326.924.456.911.534.030.631.229.127.532.529.225.314.014.926.7

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-93.604-176.588-95.892-134.32-105.8211.788-8.148-146.69330-1734.9032083141262525112-154.359-98.371-140.333-167.823-69.253401413115759475225-280.724-132.597-126.12-136.668-16.408-155.63797-167.121-199.111-269.132-11.94-48.708-138.866-177.256-57.543140.976-32.211
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-4.9-9.8-5.8-8.7-7.30.1-0.5-10.42.4-158.118.628.811.82.52.711.7-16.4-10.8-16.0-22.4-7.55.719.95.020.98.070.335.1-38.2-15.9-17.9-20.8-2.3-21.314.5-23.2-22.3-32.0-1.9-6.1-15.6-21.3-7.52.10.2-6.7

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-392.845-439.453-261.377-404.206-61.355-432.637-432.03-373.613-432.146869-347.452-449.692-341.386-202.288-406.297-320.132-112.974-112.228-100.914-146.689-105.191-118.174-117.704-295.633-259.678-261.712-566.062-215.52-114.527-123.041-97.586-123.733-104.202-86.075-114.602-123.631-86.012-51.182-93.829-133.08-82.322-26.538-80.79-110.505-95.578-80.719
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-20.4-24.4-15.8-26.3-4.2-30.4-28.6-26.4-34.379.2-31.0-41.1-31.9-19.8-41.6-33.0-12.0-12.3-11.5-19.5-11.4-16.6-16.6-46.0-34.3-35.4-83.7-33.5-15.6-14.8-13.8-18.8-14.5-11.8-17.0-17.2-9.6-6.1-14.6-16.7-9.2-3.2-10.5-16.2-17.1-16.9

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-17.5420215-18.5892886.311-48.484-27.646-76.169-701.819144245148
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.91.113.1-1.219.70.4-3.2-2.0-6.1-64.012.922.413.9

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value848484807881889812773151614161615141414141415161919201821222019202021212423222323222121201921
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Accounts Payable

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:IncreaseDecreaseInAccountsPayable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value48328.039-9.82219-12.9043518-3.832-0.59-2.44-14.7650.4031911-8.8776.8442311-1.547-19.8473.751154.1580.148-5.0540.4785.276-17.454-20.81826-1.0588.0544.552-12.314-23.104-0.2351014-28.5580.58548-44.776301552
Percentage of IncreaseDecreaseInAccountsPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Accounts Receivable

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInAccountsReceivable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value103-17.198190-78.53-11.493-73.10312675537255-36.079-2.095-90.9067395-167.034642438-21.4186-32.098-124.925-43.7141.213200-39.261-66.784-16.598136-85.77173-142.76477-166.855619783-129.22713193-129.57450113191
Percentage of IncreaseDecreaseInAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Inventories

us-gaap:IncreaseDecreaseInInventories

us-gaap:IncreaseDecreaseInInventories


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value12334268556111.4775.091-13.1791.8931555736524203228-13.132-1.187-26.397263631-16.498-23.745-10.70223-21.308142.93829-14.116-11.138-28.822396.619.694334320253-166.616326-23.096
Percentage of IncreaseDecreaseInInventories100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4656465615124524423874963251632823813733521293734622242221693541111001933172421134248237115177175414772452732621872182892431939583127
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax24.235.834.033.331.031.025.735.125.914.925.234.934.934.513.338.549.324.625.422.638.515.714.130.242.032.81.65.433.928.616.326.924.456.911.534.030.631.229.127.532.529.225.314.014.926.7

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
Value63256745742041178380346217192369395348306-134.3192802562532381782711751521041421312072128203139111134166106135247205110191245209185154113572120
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax32.931.527.727.328.25.525.224.517.317.633.036.232.630.0-13.829.027.327.727.223.729.524.721.416.318.817.83.011.217.524.519.716.918.722.815.818.827.824.417.224.127.525.224.222.620.211.94.96.0

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

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterest


Net
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-31
Value-0.675-1.1150.0542.904-0.125-1.5270.946
Percentage of NetIncomeLoss-0.1-0.20.03.7-0.0-0.40.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.0-0.10.00.2-0.0-0.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterest115.8156.8-24.995.21562.5-409.4144.4

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:Parent


Net
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-312018-12-312018-09-30
Value56745742078380346192369395
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax31.527.727.35.525.224.517.633.036.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Parent0.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Net
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-312018-12-312018-09-30
Value56745742078380346192369395
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax31.527.727.35.525.224.517.633.036.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value63356745642041078380346217192369395348306-134.319280
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax32.931.427.727.328.15.525.224.517.317.633.036.232.630.0-13.829.0

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value2730262626312626283415161816131414121211129.18511121212141514121419171814181720192018181924232120
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

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-93.604-176.588-95.892-134.32-105.8211.788-8.148-146.69330-1734.9032083141262525112-154.359-98.371-140.333-167.823-69.253401413115759475225-280.724-132.597-126.12-136.668-16.408-155.63797-167.121-199.111-269.132-11.94-48.708-138.866-177.256-57.543140.976-32.211
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-4.9-9.8-5.8-8.7-7.30.1-0.5-10.42.4-158.118.628.811.82.52.711.7-16.4-10.8-16.0-22.4-7.55.719.95.020.98.070.335.1-38.2-15.9-17.9-20.8-2.3-21.314.5-23.2-22.3-32.0-1.9-6.1-15.6-21.3-7.52.10.2-6.7

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value55615955414334325525262222141315109.4148.6299.8837.5088.9547.9387.3419.237101213131814211818172016141412141311115.79110
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-392.845-439.453-261.377-404.206-61.355-432.637-432.03-373.613-432.146869-347.452-449.692-341.386-202.288-406.297-320.132-112.974-112.228-100.914-146.689-105.191-118.174-117.704-295.633-259.678-261.712-566.062-215.52-114.527-123.041-97.586-123.733-104.202-86.075-114.602-123.631-86.012-51.182-93.829-133.08-82.322-26.538-80.79-110.505-95.578-80.719
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-20.4-24.4-15.8-26.3-4.2-30.4-28.6-26.4-34.379.2-31.0-41.1-31.9-19.8-41.6-33.0-12.0-12.3-11.5-19.5-11.4-16.6-16.6-46.0-34.3-35.4-83.7-33.5-15.6-14.8-13.8-18.8-14.5-11.8-17.0-17.2-9.6-6.1-14.6-16.7-9.2-3.2-10.5-16.2-17.1-16.9

Repayments Of Long Term Debt

us-gaap:RepaymentsOfLongTermDebt

us-gaap:RepaymentsOfLongTermDebt


Repayments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value0.0200.0501757210.09020.00.0225255401562525404040352040299.3758770.00.00.0
Percentage of RepaymentsOfLongTermDebt0.0100.00.0100.0100.0100.00.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:RepaymentsOfLongTermDebt us-gaap:CreditFacility, us-gaap:LongtermDebtType

us-gaap:RevolvingCreditFacility, us-gaap:LineOfCredit


Repayments
Period End2020-09-302020-06-302020-02-292020-03-312019-12-312018-06-302018-03-31
Value4002002002002522525
Percentage of RepaymentsOfLongTermDebt800.0114.327.70.00.0100.0100.0

Payments Of Dividends

us-gaap:PaymentsOfDividends

us-gaap:PaymentsOfDividends


Payments
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value139139141133134121121113114122117929210084858489818281101798227968274747474666666665858585841414141252525
Percentage of PaymentsOfDividends100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments Of Dividends Common Stock

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsOfDividendsCommonStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value139139139141132133134121
Percentage of PaymentsOfDividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2992731771870.031528422834420025029938844039250.00.00.00.00.039142167168141124605960606868686866666366575757628154
Percentage of PaymentsForRepurchaseOfCommonStock100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Effective Income Tax Rate Continuing Operations

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:EffectiveIncomeTaxRateContinuingOperations


Effective
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value-0.611.413.413.2-0.040.3230.1050.068-0.0070.130.1130.074-0.1190.1611.3870.1640.0010.2060.2240.199-0.0040.1630.1790.2190.0220.2094.2340.270.0070.190.2120.2050.0090.1340.2640.233-0.0160.2510.2460.224-0.0080.3040.2620.31-0.0260.290.427
Percentage of EffectiveIncomeTaxRateContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod

us-gaap:RestrictedStockUnitsRSU


Share
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value598000.0226000.06000.0160000.0782000.0254000.01534000.038000.0637000.0450000.017000.0100000.0565000.0571000.053000.0514000.01031000.0771000.0032000.0738000.0595000.05000.024000.0567000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod us-gaap:AwardType, us-gaap:PlanName

us-gaap:RestrictedStockUnitsRSU, klac:TwoThousandFourPlan


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value69000.02000.010000.0299000.0113000.03000.080000.0391000.0128000.0766000.020000.0318000.0226000.08000.050000.0283000.0287000.026000.0257000.0515000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod0.00.00.050.050.050.050.050.050.449.952.649.950.247.150.050.150.349.150.050.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod us-gaap:PlanName

klac:TwoThousandFourPlan


Share
Period End2021-03-31
Value4000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod0.0

Deferred Tax Liabilities

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxLiabilities


Deferred
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-302013-06-302012-06-302011-06-302010-06-30
Value380424496202922223444714827
Percentage of DeferredTaxLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


Deferred
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-302013-06-302012-06-302011-06-302010-06-30
Value315291278212319320333317346369534576
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2021-06-302020-06-302019-06-302019-03-312018-12-312018-06-302017-06-302016-06-302015-06-302014-06-302013-06-302012-06-302011-06-302010-06-302009-06-302008-06-30
Value149172146133696368506959595078534964
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-302013-06-302012-06-302011-06-302010-06-30
Value204181166163120104917657403044
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

klac:AcquisitionRelatedChargesCorporateAllocationsAndEffectsOfForeignExchangeRates

klac:AcquisitionRelatedChargesCorporateAllocationsAndEffectsOfForeignExchangeRates


Acquisition
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-30
Value403836364348
Percentage of AcquisitionRelatedChargesCorporateAllocationsAndEffectsOfForeignExchangeRates100.0100.0100.0100.0100.0100.0

klac:ContractWithCustomerLiabilityIncludingNewContractRevenueRecognized

klac:ContractWithCustomerLiabilityIncludingNewContractRevenueRecognized


Contract
Period End2021-03-31
Value58
Percentage of ContractWithCustomerLiabilityIncludingNewContractRevenueRecognized100.0

klac:CostOfRevenueAndOperatingExpense

klac:CostOfRevenueAndOperatingExpense


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value12051131108010121006124810461003
Percentage of CostOfRevenueAndOperatingExpense100.0100.0100.0100.0100.0100.0100.0100.0

klac:CostOfRevenueAndOperatingExpense us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterest


Cost
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-31
Value-0.1870.125-0.550.0120.0171.801-0.017
Percentage of CostOfRevenueAndOperatingExpense-0.00.0-0.10.00.00.20.0

klac:DeferredCompensationArrangementWithIndividualPercentageOfEqualVestingInstallments us-gaap:Range, us-gaap:DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTypeOfDeferredCompensation

klac:DeferredCompensationArrangementWithIndividualPercentageOfEqualVestingInstallments

srt:Maximum, klac:CashLongTermIncentivePlan


Deferred
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value0025.00000.250000.25
Percentage of DeferredCompensationArrangementWithIndividualPercentageOfEqualVestingInstallments0.00.0100.00.00.00.0100.00.00.00.0100.0

srt:Minimum, klac:CashLongTermIncentivePlan


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value00033.330000.33330000.3333
Percentage of DeferredCompensationArrangementWithIndividualPercentageOfEqualVestingInstallments0.00.00.0133.30.00.00.0133.30.00.00.0133.3

klac:GainLossonDeferredCompensationPlanAssets us-gaap:IncomeStatementLocation

klac:GainLossonDeferredCompensationPlanAssets

us-gaap:SellingGeneralAndAdministrativeExpenses


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value155.8221329-29.4112.37.019-19.47.45.10.57.06.96.37.80.85.94.2-1.06.9-10.0-0.36.46.2-1.9
Percentage of GainLossonDeferredCompensationPlanAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

klac:GuaranteeArrangementsToFundCustomsGuaranteesForVatAndLc

klac:GuaranteeArrangementsToFundCustomsGuaranteesForVatAndLc


Guarantee
Period End2021-03-312020-12-312020-09-30
Value5.5-6.079
Percentage of GuaranteeArrangementsToFundCustomsGuaranteesForVatAndLc100.0100.0100.0

klac:IncreaseDecreaseInAccountsReceivableExcludingAcquisitionRelated

klac:IncreaseDecreaseInAccountsReceivableExcludingAcquisitionRelated


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value102-16.055190-73.0-10.431-73.10312675
Percentage of IncreaseDecreaseInAccountsReceivableExcludingAcquisitionRelated100.0100.0100.0100.0100.0100.0100.0100.0

klac:IncreaseDecreaseInAccountsReceivablePercentage

klac:IncreaseDecreaseInAccountsReceivablePercentage


Increase
Period End2021-06-302021-03-312020-12-312020-09-30
Value9.0-1.017.0-7.0
Percentage of IncreaseDecreaseInAccountsReceivablePercentage100.0100.0100.0100.0

klac:IncreaseDecreaseInContractWithCustomerAssetPercentage

klac:IncreaseDecreaseInContractWithCustomerAssetPercentage


Increase
Period End2020-12-312020-09-30
Value-4.0-2.0
Percentage of IncreaseDecreaseInContractWithCustomerAssetPercentage100.0100.0

klac:IncreaseDecreaseInContractWithCustomerLiabilityPercentage

klac:IncreaseDecreaseInContractWithCustomerLiabilityPercentage


Increase
Period End2021-03-312020-12-312020-09-30
Value10.04.0-13.0
Percentage of IncreaseDecreaseInContractWithCustomerLiabilityPercentage100.0100.0100.0

klac:IncreaseDecreaseInContractWithCustomerLiabilityServiceRevenue

klac:IncreaseDecreaseInContractWithCustomerLiabilityServiceRevenue


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value35112.215-3.64615101.22-4.33731-15.37112-13.3250.00.00.00.0
Percentage of IncreaseDecreaseInContractWithCustomerLiabilityServiceRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

klac:IncreaseDecreaseInContractWithCustomerLiabilitySystemRevenue

klac:IncreaseDecreaseInContractWithCustomerLiabilitySystemRevenue


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-40.8995721-82.6333.65289-30.412-4.8335132-19.723-79.810.00.00.00.0
Percentage of IncreaseDecreaseInContractWithCustomerLiabilitySystemRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

klac:IncreaseDecreaseInDeferredCompensationLiabilities us-gaap:IncomeStatementLocation

klac:IncreaseDecreaseInDeferredCompensationLiabilities

us-gaap:SellingGeneralAndAdministrativeExpenses


Increase
Period End2021-03-312020-03-31
Value5.7-29.4
Percentage of IncreaseDecreaseInDeferredCompensationLiabilities100.0100.0

klac:IncreaseDecreaseinDeferredCompensationLiabilities us-gaap:IncomeStatementLocation

klac:IncreaseDecreaseinDeferredCompensationLiabilities

us-gaap:SellingGeneralAndAdministrativeExpenses


Increase
Period End2020-12-312020-09-302020-03-312019-12-312019-09-302019-03-312018-12-312018-09-302018-03-312017-12-312017-09-302017-03-312016-12-312016-09-302016-03-312015-12-312015-09-302015-03-312014-12-312014-09-30
Value2213-29.4121.919-19.87.50.97.06.87.71.25.8-1.36.8106.36.11.9
Percentage of IncreaseDecreaseinDeferredCompensationLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

klac:LongTermIncentivePlanAuthorizedAmount us-gaap:DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTypeOfDeferredCompensation

klac:LongTermIncentivePlanAuthorizedAmount

klac:CashLongTermIncentivePlan


Long
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-30
Value5300000.0600000.03500000.01700000.02500000.01800000.0
Percentage of LongTermIncentivePlanAuthorizedAmount100.0100.0100.0100.0100.0100.0

klac:NoncashOrPartNoncashAcquisitionContingentConsiderationPayableReceivable

klac:NoncashOrPartNoncashAcquisitionContingentConsiderationPayableReceivable


Noncash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value1122000.0178000.0-5761000.0-2987000.0-802000.0303000.0-3541000.09366000.0
Percentage of NoncashOrPartNoncashAcquisitionContingentConsiderationPayableReceivable100.0100.0100.0100.0100.0100.0100.0100.0

klac:NoncashTransactionIncreaseDecreaseInDividendsPayable

klac:NoncashTransactionIncreaseDecreaseInDividendsPayable


Noncash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value4303000.0779000.0812000.0391000.01400000.01388000.01638000.01552000.0846000.01090000.0621000.04783000.0
Percentage of NoncashTransactionIncreaseDecreaseInDividendsPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

klac:OutstandingGuaranteeArrangementsToFundCustomsGuaranteesForVatAndLc

klac:OutstandingGuaranteeArrangementsToFundCustomsGuaranteesForVatAndLc


Outstanding
Period End2020-12-312020-09-30
Value-4.267
Percentage of OutstandingGuaranteeArrangementsToFundCustomsGuaranteesForVatAndLc100.0100.0

klac:ReceivablesSoldUnderFactoringAgreements

klac:ReceivablesSoldUnderFactoringAgreements


Receivables
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value66100498857621165643483961686947314225285670594133481547253227104514443748467181168106509660201639
Percentage of ReceivablesSoldUnderFactoringAgreements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

klac:SegmentPercentOfTotalRevenue us-gaap:MajorCustomers

klac:SegmentPercentOfTotalRevenue

klac:CustomerOne


Segment
Period End2020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value14.00.240.1700.190.140.15-0.010.220.170.28-0.040.220.310.290.010.130.160.2300.180.160.130.010.250.150.25
Percentage of SegmentPercentOfTotalRevenue100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

klac:CustomerTwo


Segment
Period End2020-09-302019-12-312019-09-302018-12-312018-09-302018-03-312017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value12.00.10.120.130.10.110.050.130.130.13-0.010.120.12-0.020.150.140.13-0.020.170.150.1
Percentage of SegmentPercentOfTotalRevenue85.741.770.692.966.750.0-125.059.141.944.8-100.092.375.00.083.387.5100.0-200.068.0100.040.0

klac:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentOtherThanOptionsTradedForTaxesPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType, us-gaap:PlanName

klac:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentOtherThanOptionsTradedForTaxesPeriodWeightedAverageGrantDateFairValue

us-gaap:RestrictedStockUnitsRSU, klac:TwoThousandFourPlan


Share
Period End2021-06-302021-03-312020-12-312020-09-30
Value2.163.136.691.94
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentOtherThanOptionsTradedForTaxesPeriodWeightedAverageGrantDateFairValue100.0100.0100.0100.0

klac:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodAdjustment us-gaap:AwardType

klac:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodAdjustment

us-gaap:RestrictedStockUnitsRSU


Share
Period End2020-09-302020-06-302020-03-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value54000.0099000.0000-5000.0000-33000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodAdjustment100.00.0100.00.00.00.0100.00.00.00.0100.0

klac:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodAdjustment us-gaap:AwardType, us-gaap:PlanName

us-gaap:RestrictedStockUnitsRSU, klac:TwoThousandFourPlan


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0-24000.00-27000.0-104000.02000.0000-2000.0000-17000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodAdjustment0.00.00.0-50.00.00.00.00.00.040.00.00.00.051.5

klac:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodAdjustment us-gaap:PlanName

klac:TwoThousandFourPlan


Share
Period End2021-03-31
Value48000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodAdjustment0.0

klac:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodAdjustmentWeightedAverageGrantDateFairValue us-gaap:AwardType, us-gaap:PlanName

klac:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodAdjustmentWeightedAverageGrantDateFairValue

us-gaap:RestrictedStockUnitsRSU, klac:TwoThousandFourPlan


Share
Period End2021-06-302021-03-312020-12-312020-09-30
Value0-8.69088.96
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodAdjustmentWeightedAverageGrantDateFairValue0.0100.00.0100.0

klac:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsWithheldForTaxes us-gaap:AwardType, us-gaap:PlanName

klac:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsWithheldForTaxes

us-gaap:RestrictedStockUnitsRSU, klac:TwoThousandFourPlan


Share
Period End2021-06-302021-03-312020-12-312020-09-30
Value43000.022000.047000.0125000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsWithheldForTaxes100.0100.0100.0100.0

klac:StockRepurchaseProgramUnsettledCommonStockRepurchase

klac:StockRepurchaseProgramUnsettledCommonStockRepurchase


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value0.00.00.06.00.0-4.0-4.08.02.0125.988-7.8127.8120.0-1.2890.4410.8480.00.00.00.0-9.619.61-6.8940.2736.7455.844
Percentage of StockRepurchaseProgramUnsettledCommonStockRepurchase0.00.00.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.00.00.00.0100.0100.0100.0100.0100.0100.0

klac:TaxBenefitsFromESPP us-gaap:AwardType

klac:TaxBenefitsFromESPP

us-gaap:EmployeeStock


Tax
Period End2021-06-302021-03-312020-06-302020-03-31
Value86000.0722000.0439000.0945000.0
Percentage of TaxBenefitsFromESPP100.0100.0100.0100.0

klac:TaxBenefitsFromEspp us-gaap:AwardType

klac:TaxBenefitsFromEspp

us-gaap:EmployeeStock


Tax
Period End2020-12-312020-09-302019-12-312019-09-30
Value-3005000.04169000.0119000.01734000.0
Percentage of TaxBenefitsFromEspp100.0100.0100.0100.0

klac:WeightedAverageFairValuePerShare us-gaap:AwardType

klac:WeightedAverageFairValuePerShare

us-gaap:EmployeeStock


Weighted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value-0.0264.4252.2352.23-0.0943.3627.3527.35
Percentage of WeightedAverageFairValuePerShare100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockDividendsPerShareDeclared us-gaap:Dividends, us-gaap:SubsequentEventType

us-gaap:CommonStockDividendsPerShareDeclared

klac:RegularCashDividend, us-gaap:SubsequentEvent


Common
Period End2020-08-062020-08-032019-08-012019-05-032018-08-022017-08-032015-08-062015-07-14
Value0.90.90.750.750.750.590.520.52
Percentage of CommonStockDividendsPerShareDeclared100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:ConcentrationRiskPercentage1

us-gaap:RevenueFromContractWithCustomer, us-gaap:GeographicConcentrationRisk


Concentration
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-31
Value100.0100.0100.01.0100.0100.01.0
Percentage of ConcentrationRiskPercentage1100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomer, us-gaap:ProductConcentrationRisk


Concentration
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-31
Value100.0100.0100.01.0100.0100.01.0
Percentage of ConcentrationRiskPercentage1100.0100.0100.0100.0100.0100.0100.0

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

klac:CustomerOne, us-gaap:RevenueFromContractWithCustomer, us-gaap:CustomerConcentrationRisk


Concentration
Period End2021-03-312020-12-312020-03-312019-12-312019-03-31
Value24.014.00.224.00.19
Percentage of ConcentrationRiskPercentage124.014.020.024.019.0

klac:CustomerTwo, us-gaap:RevenueFromContractWithCustomer, us-gaap:CustomerConcentrationRisk


Concentration
Period End2021-03-312020-03-312019-12-31
Value16.00.1710.0
Percentage of ConcentrationRiskPercentage116.017.010.0

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

klac:DefectInspection, us-gaap:RevenueFromContractWithCustomer, us-gaap:ProductConcentrationRisk


Concentration
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-31
Value40.042.034.00.3840.032.00.28
Percentage of ConcentrationRiskPercentage140.042.034.038.040.032.028.0

klac:OtherRevenue, us-gaap:RevenueFromContractWithCustomer, us-gaap:ProductConcentrationRisk


Concentration
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-31
Value2.03.03.00.034.03.00.06
Percentage of ConcentrationRiskPercentage12.03.03.03.04.03.06.0

klac:PCBDisplayAndComponentInspection, us-gaap:RevenueFromContractWithCustomer, us-gaap:ProductConcentrationRisk


Concentration
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-31
Value8.07.08.00.079.09.00.06
Percentage of ConcentrationRiskPercentage18.07.08.07.09.09.06.0

klac:Patterning, us-gaap:RevenueFromContractWithCustomer, us-gaap:ProductConcentrationRisk


Concentration
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-31
Value22.019.024.00.2119.027.00.25
Percentage of ConcentrationRiskPercentage122.019.024.021.019.027.025.0

klac:SpecialtySemiconductorProcess, us-gaap:RevenueFromContractWithCustomer, us-gaap:ProductConcentrationRisk


Concentration
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-31
Value4.04.05.00.054.04.00.07
Percentage of ConcentrationRiskPercentage14.04.05.05.04.04.07.0

us-gaap:Service, us-gaap:RevenueFromContractWithCustomer, us-gaap:ProductConcentrationRisk


Concentration
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-31
Value24.025.026.00.2624.025.00.28
Percentage of ConcentrationRiskPercentage124.025.026.026.024.025.028.0

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

country:CN, us-gaap:RevenueFromContractWithCustomer, us-gaap:GeographicConcentrationRisk


Concentration
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-31
Value20.023.032.00.2525.024.00.19
Percentage of ConcentrationRiskPercentage120.023.032.025.025.024.019.0

country:JP, us-gaap:RevenueFromContractWithCustomer, us-gaap:GeographicConcentrationRisk


Concentration
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-31
Value9.010.011.00.1113.015.00.13
Percentage of ConcentrationRiskPercentage19.010.011.011.013.015.013.0

country:KR, us-gaap:RevenueFromContractWithCustomer, us-gaap:GeographicConcentrationRisk


Concentration
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-31
Value31.021.012.00.2112.014.00.18
Percentage of ConcentrationRiskPercentage131.021.012.021.012.014.018.0

country:TW, us-gaap:RevenueFromContractWithCustomer, us-gaap:GeographicConcentrationRisk


Concentration
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-31
Value22.023.024.00.2430.027.00.25
Percentage of ConcentrationRiskPercentage122.023.024.024.030.027.025.0

klac:EuropeAndIsrael, us-gaap:RevenueFromContractWithCustomer, us-gaap:GeographicConcentrationRisk


Concentration
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-31
Value5.06.05.00.056.04.00.07
Percentage of ConcentrationRiskPercentage15.06.05.05.06.04.07.0

klac:RestOfAsia, us-gaap:RevenueFromContractWithCustomer, us-gaap:GeographicConcentrationRisk


Concentration
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-31
Value3.04.05.00.033.03.00.04
Percentage of ConcentrationRiskPercentage13.04.05.03.03.03.04.0

srt:NorthAmerica, us-gaap:RevenueFromContractWithCustomer, us-gaap:GeographicConcentrationRisk


Concentration
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-31
Value10.013.011.00.1111.013.00.14
Percentage of ConcentrationRiskPercentage110.013.011.011.011.013.014.0

us-gaap:ContractWithCustomerAssetCumulativeCatchUpAdjustmentToRevenueModificationOfContract

us-gaap:ContractWithCustomerAssetCumulativeCatchUpAdjustmentToRevenueModificationOfContract


Contract
Period End2021-06-302021-03-312020-12-312020-09-30
Value1.5171038
Percentage of ContractWithCustomerAssetCumulativeCatchUpAdjustmentToRevenueModificationOfContract100.0100.0100.0100.0

us-gaap:ContractWithCustomerAssetReclassifiedToReceivable

us-gaap:ContractWithCustomerAssetReclassifiedToReceivable


Contract
Period End2021-06-302021-03-312020-12-312020-09-30
Value10121340
Percentage of ContractWithCustomerAssetReclassifiedToReceivable100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiabilityRevenueRecognized

us-gaap:ContractWithCustomerLiabilityRevenueRecognized


Contract
Period End2020-09-30
Value314
Percentage of ContractWithCustomerLiabilityRevenueRecognized100.0

us-gaap:DeferredCompensationArrangementWithIndividualCompensationExpense us-gaap:DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTypeOfDeferredCompensation

us-gaap:DeferredCompensationArrangementWithIndividualCompensationExpense

klac:CashLongTermIncentivePlan


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value21171719181413161612121514111114141111121111119.91010107.87.57.37.34.13.93.63.5
Percentage of DeferredCompensationArrangementWithIndividualCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation

us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet

us-gaap:ForeignExchangeContract, klac:InterestIncomeAndOtherNet


Derivative
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value3420000.02661000.0-5598000.01982000.0-4373000.02056000.02325000.0-599000.0513000.0-3700000.0
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStockCash

us-gaap:DividendsCommonStockCash


Dividends
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-312018-12-312018-09-30
Value140140141134135120114115117
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStockCash us-gaap:StatementEquityComponents

us-gaap:Parent


Dividends
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-312018-12-312018-09-302018-03-312017-12-312017-09-30
Value140140141134135120114115117929393
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:RetainedEarnings


Dividends
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-312018-12-312018-09-302018-03-312017-12-312017-09-302015-12-31
Value14014014113413512011411511792939379
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Effect
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value3.285-9.425117.7662.564-4.8683.963-3.5850.0770.2051.137-1.452-10.202
Percentage of EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense us-gaap:AwardType

us-gaap:EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense

us-gaap:RestrictedStockUnitsRSU


Employee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value8.6534.3326.6946.7373.3644.9429.6613.9934.1530.173.8126.918-0.1160.249-1.93180.01.1350.765130.281.452.165230.421.5111.018
Percentage of EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignCurrencyTransactionGainLossUnrealized

us-gaap:ForeignCurrencyTransactionGainLossUnrealized


Foreign
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value6.102-5.2315.66312-12.4665.955.45-12.7940.812-0.073-1.785-3.005-11.1070.3383.174-2.291
Percentage of ForeignCurrencyTransactionGainLossUnrealized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnSaleOfBusiness

us-gaap:GainLossOnSaleOfBusiness


Gain
Period End2021-06-30
Value0
Percentage of GainLossOnSaleOfBusiness0.0

us-gaap:GainLossOnSaleOfBusiness us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations, klac:PixCell


Gain
Period End2021-02-28
Value4400000.0
Percentage of GainLossOnSaleOfBusiness0.0

us-gaap:GoodwillForeignCurrencyTranslationGainLoss

us-gaap:GoodwillForeignCurrencyTranslationGainLoss


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value-15000.0-8000.013000.030000.0-2000.0-73000.0
Percentage of GoodwillForeignCurrencyTranslationGainLoss100.0100.0100.0100.0100.0100.0

us-gaap:GoodwillForeignCurrencyTranslationGainLoss us-gaap:ReportingUnit

klac:WaferInspectionAndPatterning


Goodwill
Period End2021-03-312020-12-312020-09-302020-03-31
Value-8000.013000.030000.0-73000.0
Percentage of GoodwillForeignCurrencyTranslationGainLoss100.0100.0100.0100.0

us-gaap:GoodwillWrittenOffRelatedToSaleOfBusinessUnit

us-gaap:GoodwillWrittenOffRelatedToSaleOfBusinessUnit


Goodwill
Period End2021-06-30
Value0.0
Percentage of GoodwillWrittenOffRelatedToSaleOfBusinessUnit0.0

us-gaap:GoodwillWrittenOffRelatedToSaleOfBusinessUnit us-gaap:ReportingUnit

klac:PCBAndDisplay


Goodwill
Period End2021-06-30
Value0.0
Percentage of GoodwillWrittenOffRelatedToSaleOfBusinessUnit0.0

us-gaap:IncomeTaxExaminationEstimateOfPossibleLoss us-gaap:IncomeTaxAuthority, us-gaap:IncomeTaxAuthorityName

us-gaap:IncomeTaxExaminationEstimateOfPossibleLoss

us-gaap:ForeignCountry, us-gaap:IsraelTaxAuthority


Income
Period End2020-12-312020-06-302020-03-312019-12-312019-08-282019-03-312017-05-31
Value227-163.00.00.025761229
Percentage of IncomeTaxExaminationEstimateOfPossibleLoss100.0100.00.00.0100.0100.0100.0

us-gaap:IncreaseDecreaseInContractWithCustomerAsset

us-gaap:IncreaseDecreaseInContractWithCustomerAsset


Increase
Period End2021-06-302021-03-312020-12-312020-09-30
Value-8.6555.332-3.376-2.125
Percentage of IncreaseDecreaseInContractWithCustomerAsset100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInContractWithCustomerLiability

us-gaap:IncreaseDecreaseInContractWithCustomerLiability


Increase
Period End2021-06-302021-03-312020-12-312020-09-30
Value-4.4876923-86.279
Percentage of IncreaseDecreaseInContractWithCustomerLiability100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:IncreaseDecreaseInOtherOperatingAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value242056-5.103-18.12423-3.5588.93623.068-34.978165465-84.5022.235-0.9931828-19.477-9.954-8.32238-34.381-73.627-20.096792.73234-48.463309.425-2.668-2.75219-19.676-38.4124229-91.789-14.36698-16.397-10.87-26.734-130.481
Percentage of IncreaseDecreaseInOtherOperatingAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4.037-99.595240101-6.189-125.59116913.497-75.149-73.37293-4.132241961604037-23.012-26.3431752-48.782-49.423316015-17.32960427.507-8.41525697.181-45.812-144.014159109-108.571-7.1321488.707-26.696.258106
Percentage of IncreaseDecreaseInOtherOperatingLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MinorityInterestDecreaseFromRedemptions

us-gaap:MinorityInterestDecreaseFromRedemptions


Minority
Period End2021-03-31
Value17
Percentage of MinorityInterestDecreaseFromRedemptions100.0

us-gaap:MinorityInterestDecreaseFromRedemptions us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Minority
Period End2021-03-31
Value17
Percentage of MinorityInterestDecreaseFromRedemptions100.0

us-gaap:NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1

us-gaap:NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1


Noncash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value6.223-1.5952.59923-1.2943.382-2.31916-0.017-1.335-1.5379.242-2.314.180.8144.7340.0811.2330.0111.974-0.2760.0580.7631.49-0.412-1.7070.3913.571-0.646-1.824.1251.7986.8390.00.00.0
Percentage of NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:OperatingLeaseExpense

us-gaap:OperatingLeaseExpense


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value9.69.710.09.68.88.79.18.7
Percentage of OperatingLeaseExpense100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeasePayments

us-gaap:OperatingLeasePayments


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value9.349.5259.8839.378.6548.6249.058.374
Percentage of OperatingLeasePayments100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherAssetImpairmentCharges

us-gaap:OtherAssetImpairmentCharges


Other
Period End2021-06-302021-03-312020-06-302020-03-31
Value0.0-0.023100.0
Percentage of OtherAssetImpairmentCharges0.0100.0100.00.0

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value-443000.0-1015000.0-803000.0-826000.03907000.0-885000.0548000.01729000.0
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value-120000.0-278000.0-219000.0-226000.01067000.0-242000.0150000.0-542000.0
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax

klac:AOCIDerivativeParent


Other
Period End2021-06-302021-03-312020-06-302020-03-31
Value-1053000.06919000.01046000.0-19333000.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax


Other
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-564000.01629000.0-52000.0-208000.094000.0-4816000.0412000.024000.0-392000.0-461000.0-4475000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.2325.824-1.357-0.9181.046-19.3332.29-0.742-2.552-1.379-18.982
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax us-gaap:DebtInstrument, us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation, us-gaap:UnderlyingAssetClass

klac:A2020RateLockAgreements, us-gaap:TreasuryLock, us-gaap:CashFlowHedging, us-gaap:DesignatedAsHedgingInstrument, us-gaap:SeniorNotes


Other
Period End2020-09-302020-03-31
Value-21.521
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax2342.0-111.2

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax us-gaap:DerivativeInstrumentRisk

us-gaap:ForeignExchangeContract


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.2015.878-1.31-0.8721.055-19.2682.305-0.74-2.5211.925-1.201
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax86.6100.996.595.0100.999.7100.799.798.8-139.66.3

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value1.555-0.675-1.1150.0540.822.904-0.125-1.5270.2990.9461.736
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax us-gaap:DebtInstrument, us-gaap:DerivativeInstrumentRisk

klac:PortionofSeniorNotes, us-gaap:TreasuryLock


Other
Period End2020-12-312020-09-302019-12-312019-09-30
Value0.30.30.10.1
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax-26.9555.6-80.0-6.5

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax us-gaap:DerivativeInstrumentRisk

us-gaap:TreasuryLock


Other
Period End2021-03-312020-03-31
Value0.30.1
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax-44.43.4

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation

us-gaap:ForeignExchangeContract, klac:CostOfSalesAndOperatingExpense


Other
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-30
Value0.187-0.1250.550.012-0.017-1.801
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax-27.711.21018.50.413.6117.9

us-gaap:ForeignExchangeContract, us-gaap:Sales


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value2.011-0.441-0.56-0.090.9432.970.0850.4750.9860.6551.705
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax129.365.350.2-166.7115.0102.3-68.0-31.1329.869.298.2

us-gaap:InterestRateContract, us-gaap:InterestExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value-0.279-0.279-0.279-0.279-0.279-0.159-0.1-0.099-0.1030.150.189
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax-17.941.325.0-516.7-34.0-5.580.06.5-34.415.910.9

us-gaap:OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAdjustmentsBeforeTax us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation

us-gaap:OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAdjustmentsBeforeTax

us-gaap:ForeignExchangeContract, klac:InterestIncomeAndOtherNet


Other
Period End2021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value699000.00000000
Percentage of OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAdjustmentsBeforeTax100.00.00.00.00.00.00.00.0

us-gaap:ForeignExchangeContract, us-gaap:Sales


Other
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-116000.0-142000.0-151000.0-127000.0-273000.081000.0-93000.0-102000.0-80000.0080000.0
Percentage of OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAdjustmentsBeforeTax0.0-20.30.00.00.00.00.00.00.00.00.0

us-gaap:OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseBeforeAdjustmentsAndTax us-gaap:DerivativeInstrumentRisk

us-gaap:OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseBeforeAdjustmentsAndTax

us-gaap:ForeignExchangeContract


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value31000.0-54000.0-47000.0-46000.0-9000.0-65000.0-15000.0-2000.0-30000.0-53000.0-29000.0
Percentage of OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseBeforeAdjustmentsAndTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value-0.026-2.0798.9015.443.337-3.7692.844-2.438
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value-765000.0417000.0787000.0403000.0150000.0-114000.0247000.0-393000.0
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossBeforeReclassificationAndTax us-gaap:DerivativeInstrumentRisk

us-gaap:OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossBeforeReclassificationAndTax

us-gaap:ForeignExchangeContract


Other
Period End2021-03-31
Value1094000.0
Percentage of OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossBeforeReclassificationAndTax100.0

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value4621000.0-872000.0379000.03119000.0-1294000.0-425000.051000.0-729000.0
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-312015-12-312015-09-302015-03-312014-12-312014-09-302014-03-312013-12-312013-09-302013-03-312012-12-31
Value15000.025000.0111000.0101000.0-49000.0432000.0-82000.0-4000.0-31000.0-313000.0-469000.0-481000.0-148000.02000.0-69000.06000.010000.0-53000.030000.0204000.036000.026000.017000.060000.0281000.01635000.0281000.01213000.0234000.0712000.01048000.0
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value-0.548-1.268-0.911-0.9514.925-0.6950.6161.1832.9833.9222.6492.111.222-5.723-5.8630.6670.0681.278-7.037-2.8772.2475.536-4.7150.481-1.2223.277-0.389-2.7351.5710.8440.6594.139-6.0070.105-0.9683.9170.9151.525-0.163-2.941
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value136.67411255.5274.95812236.9420.3813.233262.1330.4282.567230.01.7140.079170.2191.7020.495210.4391.990.632270.3922.3470.945480.5220.7289.471180.4090.36411170.482
Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value223303260231233156144263780.02.6860.027112134191
Percentage of PaymentsToAcquireAvailableForSaleSecuritiesDebt100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireOtherInvestments

us-gaap:PaymentsToAcquireOtherInvestments


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value24481618-68.65746129.0211830274.619123418119.69414205220131618119.3831622112011206.933148.74411119.4341618142012162215
Percentage of PaymentsToAcquireOtherInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromDebtNetOfIssuanceCosts

us-gaap:ProceedsFromDebtNetOfIssuanceCosts


Proceeds
Period End2021-06-302021-03-312020-06-302019-06-302018-06-302016-06-302016-03-312015-06-302015-03-312014-06-302014-03-31
Value0.00.0-0.172-2.4782480.00.00.00.00.00.0
Percentage of ProceedsFromDebtNetOfIssuanceCosts0.00.0100.0100.0100.00.00.00.00.00.00.0

us-gaap:ProceedsFromDivestitureOfBusinesses

us-gaap:ProceedsFromDivestitureOfBusinesses


Proceeds
Period End2021-06-30
Value0.0
Percentage of ProceedsFromDivestitureOfBusinesses0.0

us-gaap:ProceedsFromDivestitureOfBusinesses us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations, klac:PixCell


Proceeds
Period End2021-02-28
Value20
Percentage of ProceedsFromDivestitureOfBusinesses0.0

us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:ProceedsFromIssuanceOfCommonStock


Proceeds
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-06-302017-03-312016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value590.0500.672240.114440.0200.040-0.008210.0160.002210.0170.175244.67720133741304823233974399.7021774282.953120.351
Percentage of ProceedsFromIssuanceOfCommonStock100.00.0100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions us-gaap:AwardType

us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions

us-gaap:EmployeeStock


Proceeds
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-31
Value590.026500.00824
Percentage of ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions100.00.0100.0100.0100.0100.0

us-gaap:ProceedsFromLinesOfCredit

us-gaap:ProceedsFromLinesOfCredit


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value731921191126109.92935408.33910-0.060.00.05.571287.2569.743.4083.642144.0620.00.00.00.06.928.3230.00.00.00.0043.8040.00.0169.50.04.51469.933501313
Percentage of ProceedsFromLinesOfCredit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0100.0100.00.00.00.0100.0100.00.00.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromLongTermLinesOfCredit us-gaap:CreditFacility, us-gaap:LongtermDebtType

us-gaap:ProceedsFromLongTermLinesOfCredit

us-gaap:RevolvingCreditFacility, us-gaap:LineOfCredit


Proceeds
Period End2020-09-302019-12-312019-03-31
Value450250900
Percentage of ProceedsFromLongTermLinesOfCredit100.0100.0100.0

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value16315916395135133158198146601282541189712326822711515919713014614118413418124813514060183299636175
Percentage of ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleAndMaturityOfMarketableSecurities

us-gaap:ProceedsFromSaleAndMaturityOfMarketableSecurities


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value26451821434515112027297.61214312114111623452116201513131718122212188.01915109.32212101816162213303518
Percentage of ProceedsFromSaleAndMaturityOfMarketableSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleAndMaturityOfOtherInvestments

us-gaap:ProceedsFromSaleAndMaturityOfOtherInvestments


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-03-312018-12-312018-09-302018-03-312017-03-312016-03-312015-03-31
Value000614000.00001086000.0000002811000.00
Percentage of ProceedsFromSaleAndMaturityOfOtherInvestments0.00.00.0100.00.00.00.0100.00.00.00.00.00.0100.00.0

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value191457534469102516401079168585650
Percentage of ProceedsFromSaleOfAvailableForSaleSecuritiesDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfProductiveAssets

us-gaap:ProceedsFromSaleOfProductiveAssets


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-30
Value00741000.01114000.0
Percentage of ProceedsFromSaleOfProductiveAssets0.00.0100.0100.0

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax us-gaap:StatementEquityComponents

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax

klac:AOCIDerivativeParent


Reclassification
Period End2021-06-302021-03-312020-06-302020-03-31
Value1555000.0-675000.0820000.02904000.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax100.0100.0100.0100.0

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax us-gaap:StatementEquityComponents

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-03-312016-12-312016-09-30
Value400000.0300000.0300000.0300000.01900000.0-200000.0-200000.0-200000.01700000.0-200000.0-200000.0-200000.0600000.0400000.0400000.0-400000.0300000.0900000.0-400000.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty

us-gaap:RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty


Related
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value0.2310.5450.2790.2921.6810.0090.2490.4650.3210.3541.6030.603120.5940.5420.7040.4080.0570.2260.3570.3440.0530.1820.4040.1410.1590.520.2780.2471.5870.3320.4560.831.1780.0692.3840.9332.3512.1792.0922.6041.7621.9230.8820.4540.1041.45
Percentage of RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RepaymentsOfDebt us-gaap:LongtermDebtType

us-gaap:RepaymentsOfDebt

us-gaap:NotesPayableToBanks


Repayments
Period End2021-02-20
Value20
Percentage of RepaymentsOfDebt100.0

us-gaap:RepaymentsOfDebt us-gaap:ShortTermDebtType

us-gaap:NotesPayableToBanks


Repayments
Period End2021-02-20
Value20
Percentage of RepaymentsOfDebt100.0

us-gaap:RestructuringCharges

us-gaap:RestructuringCharges


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value1.32.94.63.51.23.72.70.00.00.00.00.3170.1251.3927.066221.9213.3993.881
Percentage of RestructuringCharges100.0100.0100.0100.0100.0100.0100.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestructuringReserveAcceleratedDepreciation

us-gaap:RestructuringReserveAcceleratedDepreciation


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-30
Value900000.01000000.01000000.01000000.0
Percentage of RestructuringReserveAcceleratedDepreciation100.0100.0100.0100.0

us-gaap:RevenueFromRelatedParties

us-gaap:RevenueFromRelatedParties


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value221000.0417000.0324000.0558000.0326000.076000.02794000.01041000.0417000.01972000.011000.02000.011000.06000.0455000.02000.08000.008000.0006000.02000.00437000.0721000.0216000.0482000.01532000.0606000.0178000.0385000.01243000.0840000.01899000.02872000.02272000.03287000.088000.037000.0
Percentage of RevenueFromRelatedParties100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.00.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability


Right
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value108.571136.844103.7087.4732.805
Percentage of RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod

us-gaap:RestrictedStockUnitsRSU


Share
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value71000.0163000.035000.04000.016000.031000.0016000.04000.04000.06000.057000.02000.012000.022000.032000.035000.0274000.043000.040000.0152000.096000.058000.021000.021000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod us-gaap:AwardType, us-gaap:PlanName

us-gaap:RestrictedStockUnitsRSU, klac:TwoThousandFourPlan


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value24000.018000.012000.039000.084000.029000.04000.016000.028000.008000.02000.03000.02000.029000.01000.06000.011000.016000.018000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod0.00.00.054.951.582.9100.0100.090.30.050.050.075.033.350.950.050.050.050.051.4

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod us-gaap:PlanName

klac:TwoThousandFourPlan


Share
Period End2021-03-31
Value28000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod0.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue us-gaap:AwardType, us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue

us-gaap:RestrictedStockUnitsRSU, klac:TwoThousandFourPlan


Share
Period End2021-06-302021-03-312020-12-312020-09-30
Value8.062.14-2.98120.18
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value19.67302.26220.53201.954.01168.92171.98136.76-4.0697.696.51118.474.11109.8105.1588.967.3886.0475.3868.740066.8350.44063.1681.2874.26
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.00.0100.0100.0100.0

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

us-gaap:RestrictedStockUnitsRSU, klac:TwoThousandFourPlan


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value19.670.590.65201.954.010.185.99136.76-4.06-13.62-1.26118.474.110.452.4388.967.380.52.2168.74
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue100.00.20.3100.0100.00.13.5100.0100.0-14.0-1.3100.0100.00.42.3100.0100.00.62.9100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod us-gaap:AwardType, us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod

us-gaap:RestrictedStockUnitsRSU, klac:TwoThousandFourPlan


Share
Period End2021-06-302021-03-312020-12-312020-09-30
Value97000.0104000.0169000.0172000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value1514232712222630134.746.862367.0050.7455.322360.02.7691.843290.4383.5412.29945
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType, us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue

us-gaap:RestrictedStockUnitsRSU, klac:TwoThousandFourPlan


Share
Period End2021-06-302021-03-312020-12-312020-09-30
Value2.163.136.691.94
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate

us-gaap:EmployeeStock


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value01.41.91.901.92.52.5
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate0.0100.0100.0100.00.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate

us-gaap:EmployeeStock


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value042.151.951.9037.031.631.6
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate0.0100.0100.0100.00.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate

us-gaap:EmployeeStock


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value00.10.70.701.82.42.4
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate0.0100.0100.0100.00.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesPurchasedForAward us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesPurchasedForAward

us-gaap:EmployeeStock


Share
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-31
Value270000.00161000.0324000.00237000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesPurchasedForAward100.00.0100.0100.00.0100.0

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation

us-gaap:CommonStock


Stock
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-312018-12-312018-09-302018-03-312017-12-312017-09-30
Value104000.0329000.0172000.0177000.0442000.0281000.026000.0321000.0332000.06000.0309000.0334000.0
Percentage of StockIssuedDuringPeriodSharesShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation


Stock
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-312018-12-312018-09-30
Value-6.67415-25.145-4.28412-23.423-0.37117-26.961
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:CommonStockIncludingAdditionalPaidInCapital


Stock
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-312018-12-312018-09-302018-03-312017-12-312017-09-30
Value-6.67415-25.145-4.28412-23.423-0.37117-26.961-0.43718-23.628
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:Parent


Stock
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-312018-12-312018-09-302018-03-312017-12-312017-09-30
Value-6.67415-25.145-4.28412-23.423-0.37117-26.961-0.43718-23.628
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised


Stock
Period End2021-03-31
Value127000.0
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Stock
Period End2021-03-31
Value127000.0
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.0

us-gaap:StockRepurchasedDuringPeriodShares us-gaap:StatementEquityComponents

us-gaap:StockRepurchasedDuringPeriodShares

us-gaap:CommonStock


Stock
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-312018-12-312018-09-30
Value906000.0774000.01027000.01977000.01690000.01659000.01770000.02556000.02781000.0
Percentage of StockRepurchasedDuringPeriodShares100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockRepurchasedDuringPeriodValue

us-gaap:StockRepurchasedDuringPeriodValue


Stock
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-312018-12-312018-09-30
Value273177193311280228206242307
Percentage of StockRepurchasedDuringPeriodValue100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockRepurchasedDuringPeriodValue us-gaap:StatementEquityComponents

us-gaap:CommonStockIncludingAdditionalPaidInCapital


Stock
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-312018-12-312018-09-30
Value1210192521207.249.91911
Percentage of StockRepurchasedDuringPeriodValue4.55.910.08.27.69.23.54.13.6

us-gaap:Parent


Stock
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-312018-12-312018-09-30
Value273177193311280228206242307
Percentage of StockRepurchasedDuringPeriodValue100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RetainedEarnings


Stock
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-312018-12-312018-09-30
Value261167174286259207198232296
Percentage of StockRepurchasedDuringPeriodValue95.594.190.091.892.490.896.595.996.4

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment


Weighted
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-312018-12-312018-09-302018-03-312017-12-312017-09-302017-03-312016-12-312016-09-302016-03-312015-12-312015-09-302015-03-312014-12-312014-09-302014-03-312013-12-312013-09-302013-03-312012-12-312012-09-302012-03-312011-12-312011-09-302011-03-312010-12-312010-09-302010-03-312009-12-31
Value1358000.01287000.01161000.01105000.01330000.01434000.0833000.0500000.0862000.0980000.001020000.0997000.0788000.0892000.0739000.0744000.01164000.01235000.01281000.01735000.01736000.01792000.02848000.02946000.02808000.03293000.03076000.02760000.03151000.03684000.02627000.02652000.01851000.02400000.0
Percentage of WeightedAverageNumberDilutedSharesOutstandingAdjustment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:EntityPublicFloat

dei:EntityPublicFloat


Entity
Period End2020-12-31
Value39860
Percentage of EntityPublicFloat100.0

klac:AOCICashFlowHedgeCumulativeGainLossBeforeTax

klac:AOCICashFlowHedgeCumulativeGainLossBeforeTax


A
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-30.816-30.574-29.602-29.828-7.591-10.006-10.791-7.94-5.615152.346
Percentage of AOCICashFlowHedgeCumulativeGainLossBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

klac:BuildingsAndLeaseholdImprovements

klac:BuildingsAndLeaseholdImprovements


Buildings
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-06-302013-06-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value451436433405398416405402389340333335330323321319318315314313319318316316302272244237237234234232230224
Percentage of BuildingsAndLeaseholdImprovements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

klac:BuildingsAndLeaseholdImprovementsGross

klac:BuildingsAndLeaseholdImprovementsGross


Buildings
Period End2021-06-302020-06-30
Value458405
Percentage of BuildingsAndLeaseholdImprovementsGross100.0100.0

klac:BusinessCombinationContingentConsiderationLiabilityDeferredPayment us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

klac:BusinessCombinationContingentConsiderationLiabilityDeferredPayment

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Business
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value4550000.04475000.04400000.06825000.06750000.06600000.06500000.08800000.08800000.08800000.0
Percentage of BusinessCombinationContingentConsiderationLiabilityDeferredPayment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

klac:BusinessCombinationContingentConsiderationLiabilityDeferredPayment us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Business
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value4550000.04475000.04400000.06825000.06750000.06600000.06500000.08800000.08800000.08800000.0
Percentage of BusinessCombinationContingentConsiderationLiabilityDeferredPayment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

klac:CashCashEquivalentsAndAvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGain

klac:CashCashEquivalentsAndAvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGain


Cash
Period End2021-03-312020-06-30
Value1586000.04748000.0
Percentage of CashCashEquivalentsAndAvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGain100.0100.0

klac:CashCashEquivalentsAndAvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGain us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities


Cash
Period End2021-03-312020-06-30
Value840000.02673000.0
Percentage of CashCashEquivalentsAndAvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGain53.056.3

us-gaap:MunicipalBonds


Cash
Period End2021-03-312020-06-30
Value137000.0251000.0
Percentage of CashCashEquivalentsAndAvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGain8.65.3

us-gaap:SovereignDebtSecurities


Cash
Period End2021-03-312020-06-30
Value7000.08000.0
Percentage of CashCashEquivalentsAndAvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGain0.40.2

us-gaap:USGovernmentAgenciesDebtSecurities


Cash
Period End2021-03-312020-06-30
Value226000.0252000.0
Percentage of CashCashEquivalentsAndAvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGain14.25.3

us-gaap:USTreasurySecurities


Cash
Period End2021-03-312020-06-30
Value376000.01564000.0
Percentage of CashCashEquivalentsAndAvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGain23.732.9

klac:CashCashEquivalentsAndAvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLosses

klac:CashCashEquivalentsAndAvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLosses


Cash
Period End2021-03-312020-06-30
Value265000.059000.0
Percentage of CashCashEquivalentsAndAvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLosses100.0100.0

klac:CashCashEquivalentsAndAvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLosses us-gaap:BalanceSheetLocation

us-gaap:CashAndCashEquivalents


Cash
Period End2021-03-31
Value1000.0
Percentage of CashCashEquivalentsAndAvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLosses0.4

klac:CashCashEquivalentsAndAvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLosses us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities


Cash
Period End2021-03-31
Value180000.0
Percentage of CashCashEquivalentsAndAvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLosses67.9

us-gaap:MunicipalBonds


Cash
Period End2021-03-31
Value20000.0
Percentage of CashCashEquivalentsAndAvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLosses7.5

us-gaap:USGovernmentAgenciesDebtSecurities


Cash
Period End2021-03-31
Value36000.0
Percentage of CashCashEquivalentsAndAvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLosses13.6

us-gaap:USTreasurySecurities


Cash
Period End2021-03-31
Value29000.0
Percentage of CashCashEquivalentsAndAvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLosses10.9

klac:CashCashEquivalentsAndAvailableForSaleDebtSecuritiesExcludingTimeDeposits

klac:CashCashEquivalentsAndAvailableForSaleDebtSecuritiesExcludingTimeDeposits


Cash
Period End2021-03-312020-06-30
Value16261395
Percentage of CashCashEquivalentsAndAvailableForSaleDebtSecuritiesExcludingTimeDeposits100.0100.0

klac:CashCashEquivalentsAndAvailableForSaleDebtSecuritiesExcludingTimeDeposits us-gaap:BalanceSheetLocation

us-gaap:CashAndCashEquivalents


Cash
Period End2021-03-312020-06-30
Value797773
Percentage of CashCashEquivalentsAndAvailableForSaleDebtSecuritiesExcludingTimeDeposits49.055.4

klac:CashCashEquivalentsAndAvailableForSaleDebtSecuritiesExcludingTimeDeposits us-gaap:FinancialInstrument

klac:MoneyMarketBankDepositsAndOther


Cash
Period End2021-03-312020-06-30
Value723694
Percentage of CashCashEquivalentsAndAvailableForSaleDebtSecuritiesExcludingTimeDeposits44.549.8

us-gaap:CorporateDebtSecurities


Cash
Period End2021-03-312020-06-30
Value444381
Percentage of CashCashEquivalentsAndAvailableForSaleDebtSecuritiesExcludingTimeDeposits27.327.4

us-gaap:MunicipalBonds


Cash
Period End2021-03-312020-06-30
Value6829
Percentage of CashCashEquivalentsAndAvailableForSaleDebtSecuritiesExcludingTimeDeposits4.22.1

us-gaap:SovereignDebtSecurities


Cash
Period End2021-03-312020-06-30
Value3.0572.017
Percentage of CashCashEquivalentsAndAvailableForSaleDebtSecuritiesExcludingTimeDeposits0.20.1

us-gaap:USGovernmentAgenciesDebtSecurities


Cash
Period End2021-03-312020-06-30
Value147106
Percentage of CashCashEquivalentsAndAvailableForSaleDebtSecuritiesExcludingTimeDeposits9.17.6

us-gaap:USTreasurySecurities


Cash
Period End2021-03-312020-06-30
Value239181
Percentage of CashCashEquivalentsAndAvailableForSaleDebtSecuritiesExcludingTimeDeposits14.713.0

klac:CashCashEquivalentsAndAvailableForSaleDebtSecuritiesExcludingTimeDepositsAmortizedCost

klac:CashCashEquivalentsAndAvailableForSaleDebtSecuritiesExcludingTimeDepositsAmortizedCost


Cash
Period End2021-03-312020-06-30
Value16251390
Percentage of CashCashEquivalentsAndAvailableForSaleDebtSecuritiesExcludingTimeDepositsAmortizedCost100.0100.0

klac:CashCashEquivalentsAndAvailableForSaleDebtSecuritiesExcludingTimeDepositsAmortizedCost us-gaap:BalanceSheetLocation

us-gaap:CashAndCashEquivalents


Cash
Period End2021-03-312020-06-30
Value797773
Percentage of CashCashEquivalentsAndAvailableForSaleDebtSecuritiesExcludingTimeDepositsAmortizedCost49.155.6

klac:CashCashEquivalentsAndAvailableForSaleDebtSecuritiesExcludingTimeDepositsAmortizedCost us-gaap:FinancialInstrument

klac:MoneyMarketBankDepositsAndOther


Cash
Period End2021-03-312020-06-30
Value723694
Percentage of CashCashEquivalentsAndAvailableForSaleDebtSecuritiesExcludingTimeDepositsAmortizedCost44.550.0

us-gaap:CorporateDebtSecurities


Cash
Period End2021-03-312020-06-30
Value443379
Percentage of CashCashEquivalentsAndAvailableForSaleDebtSecuritiesExcludingTimeDepositsAmortizedCost27.327.3

us-gaap:MunicipalBonds


Cash
Period End2021-03-312020-06-30
Value6828
Percentage of CashCashEquivalentsAndAvailableForSaleDebtSecuritiesExcludingTimeDepositsAmortizedCost4.22.1

us-gaap:SovereignDebtSecurities


Cash
Period End2021-03-312020-06-30
Value3.052.009
Percentage of CashCashEquivalentsAndAvailableForSaleDebtSecuritiesExcludingTimeDepositsAmortizedCost0.20.1

us-gaap:USGovernmentAgenciesDebtSecurities


Cash
Period End2021-03-312020-06-30
Value147106
Percentage of CashCashEquivalentsAndAvailableForSaleDebtSecuritiesExcludingTimeDepositsAmortizedCost9.17.6

us-gaap:USTreasurySecurities


Cash
Period End2021-03-312020-06-30
Value239179
Percentage of CashCashEquivalentsAndAvailableForSaleDebtSecuritiesExcludingTimeDepositsAmortizedCost14.712.9

klac:CashCashEquivalentsAndAvailableforsaleDebtSecuritiesAccumulatedGrossUnrealizedGain

klac:CashCashEquivalentsAndAvailableforsaleDebtSecuritiesAccumulatedGrossUnrealizedGain


Cash
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value2646000.03734000.04748000.03036000.0929000.0570000.0189000.044000.038000.0147000.0167000.0
Percentage of CashCashEquivalentsAndAvailableforsaleDebtSecuritiesAccumulatedGrossUnrealizedGain100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

klac:CashCashEquivalentsAndAvailableforsaleDebtSecuritiesAccumulatedGrossUnrealizedGain us-gaap:BalanceSheetLocation

us-gaap:CashAndCashEquivalents


Cash
Period End2020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value1000.0000017000.0036000.000
Percentage of CashCashEquivalentsAndAvailableforsaleDebtSecuritiesAccumulatedGrossUnrealizedGain0.00.00.00.00.09.00.094.70.00.0

klac:CashCashEquivalentsAndAvailableforsaleDebtSecuritiesAccumulatedGrossUnrealizedGain us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities


Cash
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value1445000.02046000.02673000.0307000.0623000.0430000.0141000.043000.00137000.0148000.0
Percentage of CashCashEquivalentsAndAvailableforsaleDebtSecuritiesAccumulatedGrossUnrealizedGain54.654.856.310.167.175.474.697.70.093.288.6

us-gaap:MunicipalBonds


Cash
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value165000.0261000.0251000.0161000.09000.07000.03000.0
Percentage of CashCashEquivalentsAndAvailableforsaleDebtSecuritiesAccumulatedGrossUnrealizedGain6.27.05.35.31.01.21.6

us-gaap:SovereignDebtSecurities


Cash
Period End2020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value3000.08000.030000.08000.03000.01000.00000
Percentage of CashCashEquivalentsAndAvailableforsaleDebtSecuritiesAccumulatedGrossUnrealizedGain0.10.21.00.90.50.50.00.00.00.0

us-gaap:USGovernmentAgenciesDebtSecurities


Cash
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value325000.0326000.0252000.0272000.050000.010000.05000.01000.02000.010000.016000.0
Percentage of CashCashEquivalentsAndAvailableforsaleDebtSecuritiesAccumulatedGrossUnrealizedGain12.38.75.39.05.41.82.62.35.36.89.6

us-gaap:USTreasurySecurities


Cash
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value708000.01101000.01564000.02266000.0239000.0120000.039000.0036000.003000.0
Percentage of CashCashEquivalentsAndAvailableforsaleDebtSecuritiesAccumulatedGrossUnrealizedGain26.829.532.974.625.721.120.60.094.70.01.8

klac:CashCashEquivalentsAndAvailableforsaleDebtSecuritiesAccumulatedGrossUnrealizedLosses

klac:CashCashEquivalentsAndAvailableforsaleDebtSecuritiesAccumulatedGrossUnrealizedLosses


Cash
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value0.030.0960.0593.320.0850.4261.2324.1018.331114
Percentage of CashCashEquivalentsAndAvailableforsaleDebtSecuritiesAccumulatedGrossUnrealizedLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

klac:CashCashEquivalentsAndAvailableforsaleDebtSecuritiesAccumulatedGrossUnrealizedLosses us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities


Cash
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value0.0230.0880.053.3020.0320.1130.5822.0764.7025.8667.508
Percentage of CashCashEquivalentsAndAvailableforsaleDebtSecuritiesAccumulatedGrossUnrealizedLosses76.791.784.799.537.626.547.250.656.450.853.0

us-gaap:MunicipalBonds


Cash
Period End2020-12-312020-06-302020-03-312019-12-312019-09-302019-06-30
Value0.0030.00.0090.0030.00.0
Percentage of CashCashEquivalentsAndAvailableforsaleDebtSecuritiesAccumulatedGrossUnrealizedLosses10.00.00.33.50.00.0

us-gaap:USGovernmentAgenciesDebtSecurities


Cash
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value0.0030.0080.0070.0080.0130.0720.2410.7761.4452.2522.827
Percentage of CashCashEquivalentsAndAvailableforsaleDebtSecuritiesAccumulatedGrossUnrealizedLosses10.08.311.90.215.316.919.618.917.319.520.0

us-gaap:USTreasurySecurities


Cash
Period End2020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value0.0010.0020.0010.0370.2380.4011.2032.0943.2923.682
Percentage of CashCashEquivalentsAndAvailableforsaleDebtSecuritiesAccumulatedGrossUnrealizedLosses3.33.40.043.555.932.529.325.128.526.0

klac:CashCashEquivalentsandAvailableforsaleDebtSecuritiesExcludingTimeDeposits

klac:CashCashEquivalentsandAvailableforsaleDebtSecuritiesExcludingTimeDeposits


Cash
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value15931438139511041179116211601395244122862352
Percentage of CashCashEquivalentsandAvailableforsaleDebtSecuritiesExcludingTimeDeposits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

klac:CashCashEquivalentsandAvailableforsaleDebtSecuritiesExcludingTimeDeposits us-gaap:BalanceSheetLocation

us-gaap:CashAndCashEquivalents


Cash
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value88874477350152748453664515891181930
Percentage of CashCashEquivalentsandAvailableforsaleDebtSecuritiesExcludingTimeDeposits55.851.855.445.444.741.746.246.265.151.739.6

klac:CashCashEquivalentsandAvailableforsaleDebtSecuritiesExcludingTimeDeposits us-gaap:FinancialInstrument

klac:MoneyMarketBankDepositsAndOther


Cash
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value7956826944154353993525928771118863
Percentage of CashCashEquivalentsandAvailableforsaleDebtSecuritiesExcludingTimeDeposits49.947.549.837.737.034.330.442.435.948.936.7

us-gaap:CorporateDebtSecurities


Cash
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value418404381386386420433439500595740
Percentage of CashCashEquivalentsandAvailableforsaleDebtSecuritiesExcludingTimeDeposits26.328.127.435.032.736.237.331.520.526.031.5

us-gaap:MunicipalBonds


Cash
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value393529199.2181.9061.913
Percentage of CashCashEquivalentsandAvailableforsaleDebtSecuritiesExcludingTimeDeposits2.52.52.11.80.80.20.2

us-gaap:SovereignDebtSecurities


Cash
Period End2020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value3.0592.0176.0486.0136.0145.99410101717
Percentage of CashCashEquivalentsandAvailableforsaleDebtSecuritiesExcludingTimeDeposits0.20.10.50.50.50.50.80.40.80.7

us-gaap:USGovernmentAgenciesDebtSecurities


Cash
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value1461371067894104159166172267323
Percentage of CashCashEquivalentsandAvailableforsaleDebtSecuritiesExcludingTimeDeposits9.29.67.67.18.09.013.711.97.111.713.8

us-gaap:USTreasurySecurities


Cash
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value190178181196247230207187879288407
Percentage of CashCashEquivalentsandAvailableforsaleDebtSecuritiesExcludingTimeDeposits12.012.413.017.821.019.817.913.436.012.617.3

klac:CashCashEquivalentsandAvailableforsaleDebtSecuritiesExcludingTimeDepositsAmortizedCost

klac:CashCashEquivalentsandAvailableforsaleDebtSecuritiesExcludingTimeDepositsAmortizedCost


Cash
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value15901434139011041178116111611399244922982366
Percentage of CashCashEquivalentsandAvailableforsaleDebtSecuritiesExcludingTimeDepositsAmortizedCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

klac:CashCashEquivalentsandAvailableforsaleDebtSecuritiesExcludingTimeDepositsAmortizedCost us-gaap:BalanceSheetLocation

us-gaap:CashAndCashEquivalents


Cash
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value88874477350152748453664515891181930
Percentage of CashCashEquivalentsandAvailableforsaleDebtSecuritiesExcludingTimeDepositsAmortizedCost55.951.955.645.444.741.746.246.164.951.439.3

klac:CashCashEquivalentsandAvailableforsaleDebtSecuritiesExcludingTimeDepositsAmortizedCost us-gaap:FinancialInstrument

klac:MoneyMarketBankDepositsAndOther


Cash
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value7956826944154353993525928771118863
Percentage of CashCashEquivalentsandAvailableforsaleDebtSecuritiesExcludingTimeDepositsAmortizedCost50.047.650.037.737.034.330.442.335.848.636.5

us-gaap:CorporateDebtSecurities


Cash
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value416402379389385419433441505600747
Percentage of CashCashEquivalentsandAvailableforsaleDebtSecuritiesExcludingTimeDepositsAmortizedCost26.228.027.335.332.736.137.331.520.626.131.6

us-gaap:MunicipalBonds


Cash
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value393528199.2121.8991.91
Percentage of CashCashEquivalentsandAvailableforsaleDebtSecuritiesExcludingTimeDepositsAmortizedCost2.52.52.11.80.80.20.2

us-gaap:SovereignDebtSecurities


Cash
Period End2020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value3.0562.0096.0186.0056.0146.00111111717
Percentage of CashCashEquivalentsandAvailableforsaleDebtSecuritiesExcludingTimeDepositsAmortizedCost0.20.10.50.50.50.50.80.40.80.7

us-gaap:USGovernmentAgenciesDebtSecurities


Cash
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value1451371067894104159166174269326
Percentage of CashCashEquivalentsandAvailableforsaleDebtSecuritiesExcludingTimeDepositsAmortizedCost9.29.67.67.18.09.013.711.97.111.713.8

us-gaap:USTreasurySecurities


Cash
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value190177179194247230208188881292411
Percentage of CashCashEquivalentsandAvailableforsaleDebtSecuritiesExcludingTimeDepositsAmortizedCost12.012.312.917.621.019.817.913.536.012.717.4

klac:CashEquivalentsAndMarketableSecuritiesFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

klac:CashEquivalentsAndMarketableSecuritiesFairValueDisclosure

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value104210561096952952674753714635945126116341527
Percentage of CashEquivalentsAndMarketableSecuritiesFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value5995694974864434294254475244501179652824
Percentage of CashEquivalentsAndMarketableSecuritiesFairValueDisclosure57.653.945.351.146.563.756.562.682.647.693.539.954.0

klac:CashEquivalentsAndMarketableSecuritiesFairValueDisclosure us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value1642162615931438139511041179116211601395244122862352
Percentage of CashEquivalentsAndMarketableSecuritiesFairValueDisclosure157.6153.9145.3151.1146.5163.7156.5162.6182.6147.6193.5139.9154.0

klac:ContractWithCustomerLiabilityCurrentServiceRevenue

klac:ContractWithCustomerLiabilityCurrentServiceRevenue


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value28425223924123321420420120618216816669
Percentage of ContractWithCustomerLiabilityCurrentServiceRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

klac:ContractWithCustomerLiabilityCurrentSystemRevenue

klac:ContractWithCustomerLiabilityCurrentSystemRevenue


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value2953322742533363362472772822281962160.0
Percentage of ContractWithCustomerLiabilityCurrentSystemRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

klac:DebtInstrumentCovenantComplianceMaximumLeverageRatio us-gaap:CreditFacility, us-gaap:LongtermDebtType

klac:DebtInstrumentCovenantComplianceMaximumLeverageRatio

us-gaap:RevolvingCreditFacility, us-gaap:LineOfCredit


Debt
Period End2021-06-302020-06-302020-03-312017-11-30
Value3.03.53.53.0
Percentage of DebtInstrumentCovenantComplianceMaximumLeverageRatio100.0100.0100.0100.0

klac:DebtLongTermAndShortTermCombinedAmountGross

klac:DebtLongTermAndShortTermCombinedAmountGross


Debt
Period End2021-06-302020-06-30
Value34703500
Percentage of DebtLongTermAndShortTermCombinedAmountGross100.0100.0

klac:DebtSecuritiesAvailableForSaleAndEquitySecuritiesAccumulatedGrossUnrealizedGain

klac:DebtSecuritiesAvailableForSaleAndEquitySecuritiesAccumulatedGrossUnrealizedGain


Debt
Period End2021-06-302020-06-30
Value274.748
Percentage of DebtSecuritiesAvailableForSaleAndEquitySecuritiesAccumulatedGrossUnrealizedGain100.0100.0

klac:DebtSecuritiesAvailableForSaleAndEquitySecuritiesAccumulatedGrossUnrealizedLoss

klac:DebtSecuritiesAvailableForSaleAndEquitySecuritiesAccumulatedGrossUnrealizedLoss


Debt
Period End2021-06-302020-06-30
Value334000.059000.0
Percentage of DebtSecuritiesAvailableForSaleAndEquitySecuritiesAccumulatedGrossUnrealizedLoss100.0100.0

klac:DebtSecuritiesAvailableForSaleAndEquitySecuritiesAmortizedCost

klac:DebtSecuritiesAvailableForSaleAndEquitySecuritiesAmortizedCost


Debt
Period End2021-06-302020-06-30
Value1032741
Percentage of DebtSecuritiesAvailableForSaleAndEquitySecuritiesAmortizedCost100.0100.0

klac:DebtSecuritiesAvailableForSaleAndEquitySecuritiesFairValue

klac:DebtSecuritiesAvailableForSaleAndEquitySecuritiesFairValue


Debt
Period End2021-06-302020-06-30
Value1059746
Percentage of DebtSecuritiesAvailableForSaleAndEquitySecuritiesFairValue100.0100.0

klac:DebtSecuritiesAvailableForSaleMaturityAllocatedAndSingleMaturityDateAfterOneThroughThreeYearsAmortizedCost

klac:DebtSecuritiesAvailableForSaleMaturityAllocatedAndSingleMaturityDateAfterOneThroughThreeYearsAmortizedCost


Debt
Period End2021-03-312020-06-30
Value477325
Percentage of DebtSecuritiesAvailableForSaleMaturityAllocatedAndSingleMaturityDateAfterOneThroughThreeYearsAmortizedCost100.0100.0

klac:DebtSecuritiesAvailableForSaleMaturityAllocatedAndSingleMaturityDateAfterOneThroughThreeYearsFairValue

klac:DebtSecuritiesAvailableForSaleMaturityAllocatedAndSingleMaturityDateAfterOneThroughThreeYearsFairValue


Debt
Period End2021-03-312020-06-30
Value477327
Percentage of DebtSecuritiesAvailableForSaleMaturityAllocatedAndSingleMaturityDateAfterOneThroughThreeYearsFairValue100.0100.0

klac:DebtSecuritiesAvailableforsaleMaturityAllocatedandSingleMaturityDateafterOneThroughThreeYearsAmortizedCost

klac:DebtSecuritiesAvailableforsaleMaturityAllocatedandSingleMaturityDateafterOneThroughThreeYearsAmortizedCost


Debt
Period End2021-06-302020-12-312020-09-302020-06-30
Value512393325325
Percentage of DebtSecuritiesAvailableforsaleMaturityAllocatedandSingleMaturityDateafterOneThroughThreeYearsAmortizedCost100.0100.0100.0100.0

klac:DebtSecuritiesAvailableforsaleMaturityAllocatedandSingleMaturityDateafterOneThroughThreeYearsFairValue

klac:DebtSecuritiesAvailableforsaleMaturityAllocatedandSingleMaturityDateafterOneThroughThreeYearsFairValue


Debt
Period End2021-06-302020-12-312020-09-302020-06-30
Value512394327327
Percentage of DebtSecuritiesAvailableforsaleMaturityAllocatedandSingleMaturityDateafterOneThroughThreeYearsFairValue100.0100.0100.0100.0

klac:DeferredCompensationArrangementWithIndividualUnrecognizedCompensationLiability us-gaap:DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTypeOfDeferredCompensation

klac:DeferredCompensationArrangementWithIndividualUnrecognizedCompensationLiability

klac:CashLongTermIncentivePlan


Deferred
Period End2021-06-302021-03-312020-12-312020-09-30
Value225123142155
Percentage of DeferredCompensationArrangementWithIndividualUnrecognizedCompensationLiability100.0100.0100.0100.0

klac:DeferredTaxAssetsTaxCreditsAndNetOperatingLosses

klac:DeferredTaxAssetsTaxCreditsAndNetOperatingLosses


Deferred
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-302013-06-302012-06-302011-06-302010-06-30
Value2372142081711341161089577666283
Percentage of DeferredTaxAssetsTaxCreditsAndNetOperatingLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

klac:EquitySecuritiesFVNIAccumulatedGrossUnrealizedGain

klac:EquitySecuritiesFVNIAccumulatedGrossUnrealizedGain


Equity
Period End2021-06-30
Value26
Percentage of EquitySecuritiesFVNIAccumulatedGrossUnrealizedGain100.0

klac:ExecutiveDeferredSavingsPlan us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

klac:ExecutiveDeferredSavingsPlan

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Executive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value200194188172166148166158158153137146143
Percentage of ExecutiveDeferredSavingsPlan100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Executive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value65585751473950474949435653
Percentage of ExecutiveDeferredSavingsPlan32.530.230.530.128.626.430.130.231.432.431.938.937.4

klac:ExecutiveDeferredSavingsPlan us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Executive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value266253245223213187216206207203181203197
Percentage of ExecutiveDeferredSavingsPlan132.5130.2130.5130.1128.6126.4130.1130.2131.4132.4131.9138.9137.4

klac:FiniteLivedIntangibleAssetExpectedAmortizationYearFiveAndThereafter

klac:FiniteLivedIntangibleAssetExpectedAmortizationYearFiveAndThereafter


Finite
Period End2021-03-312020-12-312020-09-30
Value303301257
Percentage of FiniteLivedIntangibleAssetExpectedAmortizationYearFiveAndThereafter100.0100.0100.0

klac:FiniteLivedIntangibleAssetsAccumulatedAmortizationAndOtherAccumulatedAdjustment

klac:FiniteLivedIntangibleAssetsAccumulatedAmortizationAndOtherAccumulatedAdjustment


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-06-30
Value734681629578527476422307
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortizationAndOtherAccumulatedAdjustment100.0100.0100.0100.0100.0100.0100.0100.0

klac:IndefiniteLivedIntangibleAssetsExcludingGoodwillNetOfOtherAccumulatedAdjustment us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass

klac:IndefiniteLivedIntangibleAssetsExcludingGoodwillNetOfOtherAccumulatedAdjustment

us-gaap:InProcessResearchAndDevelopment


Indefinite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-06-30
Value636572175175175190187
Percentage of IndefiniteLivedIntangibleAssetsExcludingGoodwillNetOfOtherAccumulatedAdjustment100.0100.0100.0100.0100.0100.0100.0100.0

klac:IntangibleAssetsOtherAccumulatedAdjustments us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass

klac:IntangibleAssetsOtherAccumulatedAdjustments

us-gaap:InProcessResearchAndDevelopment


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-06-30
Value100000.0100000.0100000.0100000.0100000.0100000.0100000.00
Percentage of IntangibleAssetsOtherAccumulatedAdjustments100.0100.0100.0100.0100.0100.0100.00.0

klac:LesseeOperatingLeaseLiabilityToBePaidAfterYearFour

klac:LesseeOperatingLeaseLiabilityToBePaidAfterYearFour


Lessee
Period End2021-03-312020-12-312020-09-30
Value191918
Percentage of LesseeOperatingLeaseLiabilityToBePaidAfterYearFour100.0100.0100.0

klac:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFour

klac:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFour


Long
Period End2021-06-30
Value2200
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFour100.0

klac:LongTermIncentivePlanCommittedAmount

klac:LongTermIncentivePlanCommittedAmount


Long
Period End2021-06-302021-03-312020-12-312020-09-30
Value248187188198
Percentage of LongTermIncentivePlanCommittedAmount100.0100.0100.0100.0

klac:MarketableSecuritiesExcludingTimeDepositsAmortizedCost

klac:MarketableSecuritiesExcludingTimeDepositsAmortizedCost


Marketable
Period End2021-06-302020-06-30
Value16141390
Percentage of MarketableSecuritiesExcludingTimeDepositsAmortizedCost100.0100.0

klac:MarketableSecuritiesExcludingTimeDepositsFairValue

klac:MarketableSecuritiesExcludingTimeDepositsFairValue


Marketable
Period End2021-06-302020-06-30
Value16421395
Percentage of MarketableSecuritiesExcludingTimeDepositsFairValue100.0100.0

klac:MoneyMarketFundsAndOther

klac:MoneyMarketFundsAndOther


Money
Period End2021-06-302020-06-30
Value691694
Percentage of MoneyMarketFundsAndOther100.0100.0

klac:OtherLiabilitiesMiscellaneousNoncurrent

klac:OtherLiabilitiesMiscellaneousNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value139141147138139
Percentage of OtherLiabilitiesMiscellaneousNoncurrent100.0100.0100.0100.0100.0

klac:RevenuePaymentTermsRequiredPaymentPercentageOfTotalContractConsiderationWithin30To60DaysOfShipment us-gaap:Range

klac:RevenuePaymentTermsRequiredPaymentPercentageOfTotalContractConsiderationWithin30To60DaysOfShipment

srt:Maximum


Revenue
Period End2021-03-312020-12-312020-09-302020-06-30
Value90.090.090.00.9
Percentage of RevenuePaymentTermsRequiredPaymentPercentageOfTotalContractConsiderationWithin30To60DaysOfShipment100.0100.0100.0100.0

srt:Minimum


Revenue
Period End2021-03-312020-12-312020-09-302020-06-30
Value70.070.070.00.7
Percentage of RevenuePaymentTermsRequiredPaymentPercentageOfTotalContractConsiderationWithin30To60DaysOfShipment77.877.877.877.8

klac:StockBasedCompensationCapitalizedAsInventory

klac:StockBasedCompensationCapitalizedAsInventory


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-06-30
Value8000000.05900000.05855000.05685000.06752000.05089000.05030000.04909000.04819000.04943000.04859000.04817000.04580000.04323000.03039000.02915000.02820000.02756000.02659000.02714000.02685000.02764000.03583000.03429000.03242000.03294000.03389000.05148000.08278000.08524000.08338000.08382000.08098000.08096000.08244000.08093000.07692000.07648000.07453000.07006000.06701000.06382000.06687000.0
Percentage of StockBasedCompensationCapitalizedAsInventory100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

klac:TimeDepositFairValue

klac:TimeDepositFairValue


Time
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-06-30
Value2101611601337899
Percentage of TimeDepositFairValue100.0100.0100.0100.0100.0100.0

klac:TimeDepositsCashEquivalentsFairValue

klac:TimeDepositsCashEquivalentsFairValue


Time
Period End2021-06-302021-03-312020-06-30
Value1017178
Percentage of TimeDepositsCashEquivalentsFairValue100.0100.0100.0

klac:UndistributedEarningsForCertainForeignSubsidiaries

klac:UndistributedEarningsForCertainForeignSubsidiaries


Undistributed
Period End2021-06-30
Value3250
Percentage of UndistributedEarningsForCertainForeignSubsidiaries100.0

us-gaap:AccountsReceivableGrossCurrent

us-gaap:AccountsReceivableGrossCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value132312191236104611191131120210781002970669613663672752678592756685676634646448482607653653465514579595462546476628559723660566484605588553471
Percentage of AccountsReceivableGrossCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccountsReceivableRelatedPartiesCurrent

us-gaap:AccountsReceivableRelatedPartiesCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value1100000.01200000.01100000.01500000.02400000.0
Percentage of AccountsReceivableRelatedPartiesCurrent100.0100.0100.0100.0100.0

us-gaap:AccruedIncomeTaxesNoncurrent

us-gaap:AccruedIncomeTaxesNoncurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value3333663623573833833683583923903413483713823557168615754506165626966646159596258595954525041383778686253
Percentage of AccruedIncomeTaxesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedMarketingCostsCurrent

us-gaap:AccruedMarketingCostsCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-06-30
Value2502222511281141241641501331481441191161091161229584798081103899393919279
Percentage of AccruedMarketingCostsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent


Allowance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value1817171711111111121211111111111121212121212121212121212121212122222222222222222222222231
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:AssetsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:AssetsFairValueDisclosure

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value124312511284112411188239208727931098139917811670
Percentage of AssetsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value6736405575414924794794985765041225718883
Percentage of AssetsFairValueDisclosure54.251.243.448.144.058.252.157.272.745.987.640.452.9

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value1916189118411665161113021399137113701603262425002554
Percentage of AssetsFairValueDisclosure154.2151.2143.4148.1144.0158.2152.1157.2172.7145.9187.6140.4152.9

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value1586000.02645000.03734000.04748000.03036000.0929000.0570000.0172000.044000.02000.0147000.0167000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302020-06-30
Value689000.02673000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax0.056.3

us-gaap:MunicipalBonds


Available
Period End2021-06-302020-06-30
Value106000.0251000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax