KRA


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

Table of contents



us-gaap:CommonStockValue

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:CostOfGoodsAndServicesSold
us-gaap:StatementBusinessSegments

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

us-gaap:GrossProfit
us-gaap:StatementBusinessSegments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxesPaidNet

us-gaap:InterestIncomeExpenseNet

us-gaap:InterestPaidNet

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:OperatingIncomeLoss
us-gaap:StatementBusinessSegments

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:ProfitLoss
us-gaap:StatementEquityComponents

us-gaap:ResearchAndDevelopmentExpense
us-gaap:StatementBusinessSegments

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

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax

us-gaap:Revenues

us-gaap:SellingGeneralAndAdministrativeExpense
us-gaap:StatementBusinessSegments

us-gaap:Assets
us-gaap:ConsolidatedEntities
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:StatementBusinessSegments

us-gaap:Liabilities
us-gaap:ConsolidatedEntities
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue
us-gaap:ConsolidatedEntities
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:ReceivablesNetCurrent

us-gaap:InventoryNet

us-gaap:InventoryFinishedGoods

us-gaap:OtherAssetsCurrent
us-gaap:ConsolidatedEntities
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:Land

us-gaap:MachineryAndEquipmentGross

us-gaap:NoncurrentAssets
us-gaap:ConsolidationItems, us-gaap:StatementGeographical, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments
us-gaap:StatementGeographical

us-gaap:ConstructionInProgressGross

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:PropertyPlantAndEquipmentNet
us-gaap:ConsolidatedEntities
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:StatementBusinessSegments

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures
us-gaap:StatementBusinessSegments

us-gaap:Goodwill
us-gaap:StatementBusinessSegments

us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:ConsolidatedEntities
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:StatementGeographical
us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:OperatingLeaseRightOfUseAsset
us-gaap:ConsolidatedEntities
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:OtherAssetsNoncurrent
us-gaap:ConsolidatedEntities
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:AccountsPayableCurrent

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:LiabilitiesCurrent
us-gaap:ConsolidatedEntities
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:LongTermDebtCurrent
us-gaap:ConsolidatedEntities
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:TaxesPayableCurrent

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

us-gaap:LongTermDebtNoncurrent

us-gaap:LongTermDebtAndCapitalLeaseObligations
us-gaap:ConsolidatedEntities
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:DeferredIncomeTaxLiabilitiesNet
us-gaap:ConsolidatedEntities

us-gaap:MinorityInterest

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent
us-gaap:ConsolidatedEntities
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:OperatingLeaseLiability
us-gaap:PropertyPlantAndEquipmentByType, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:MinorityInterest

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:AmortizationOfFinancingCosts

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DepreciationDepletionAndAmortization
us-gaap:StatementBusinessSegments

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInInventories

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss

us-gaap:ProfitLoss
us-gaap:StatementEquityComponents

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment
us-gaap:StatementBusinessSegments

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:ProceedsFromIssuanceOfLongTermDebt

us-gaap:RepaymentsOfLongTermDebt

us-gaap:PaymentsForRepurchaseOfCommonStock
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxAssetsNet

us-gaap:UnrecognizedTaxBenefits

us-gaap:DeferredTaxAssetsValuationAllowance

kra:AmortizationofDeferredIncome
us-gaap:ProductOrService, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations, us-gaap:StatementBusinessSegments

kra:CARESActReclassificationOfExpectedAMTRefundsFromLongTermToCurrent
us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
kra:ContractWithCustomerLiabilityForeignCurrencyTranslationGainLoss

kra:DilutiveSecuritiesEffectOnDilutedEarningsForShareIncludingReallocatedOptionsAndRestrictiveStockUnits

kra:EffectiveIncomeTaxRateReconciliationReturntoProvisionAdjustmentsAmount

kra:EffectiveIncomeTaxRateReconciliationTransferOfAssetsAmount

kra:FinanceLeaseCost

kra:IncrementalCommonSharesAttributableReallocatedToUnvestedRestrictedShares

kra:IncrementalCommonSharesAttributableToRestrictedShareUnitsNonParticipating

kra:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetofTaxInvestmentHedge

kra:OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossTax

kra:OtherComprehensiveIncomeLossReclassificationAdjustmentfromAOCIonInvestmentHedgeNetofTaxTotal

kra:ReleaseOfValuationAllowance

kra:SettlementOfInterestRateSwap

kra:SubsidiaryPaymentsToAcquirePropertyPlantAndEquipment

kra:SubsidiaryProceedsFromIssuanceOfLongtermDebt

kra:SubsidiaryRepaymentsFromIssuanceOfLongtermDebt

us-gaap:AmortizationOfDebtDiscountPremium

us-gaap:AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits

us-gaap:AssetRetirementObligationAccretionExpense

us-gaap:AssetRetirementObligationForeignCurrencyTranslationGainLoss

us-gaap:AssetRetirementObligationLiabilitiesIncurred

us-gaap:AssetRetirementObligationLiabilitiesSettled

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

us-gaap:ContractWithCustomerLiabilityRevenueRecognized
us-gaap:ProductOrService, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations, us-gaap:StatementBusinessSegments
us-gaap:ProductOrService, us-gaap:StatementBusinessSegments

us-gaap:CurrentIncomeTaxExpenseBenefit
us-gaap:DebtInstrument
us-gaap:DebtInstrumentInterestRateDuringPeriod
us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:StatementScenario
us-gaap:DebtInstrumentRedemptionPricePercentage
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanContributionsByEmployer
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanInterestCost
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanServiceCost

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:ExtinguishmentOfDebtAmount

us-gaap:FinanceLeaseInterestExpense

us-gaap:FinanceLeasePrincipalPayments

us-gaap:FinanceLeaseRightOfUseAssetAmortization

us-gaap:GainLossOnDispositionOfAssets

us-gaap:GainLossOnDispositionOfAssets1
us-gaap:StatementBusinessSegments
us-gaap:DerivativeInstrumentRisk
us-gaap:GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments

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

us-gaap:GoodwillImpairmentLoss
us-gaap:StatementBusinessSegments

us-gaap:IncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions

us-gaap:IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance

us-gaap:IncomeTaxReconciliationDispositionOfBusiness

us-gaap:IncomeTaxReconciliationForeignIncomeTaxRateDifferential

us-gaap:IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate

us-gaap:IncomeTaxReconciliationNondeductibleExpenseImpairmentLosses

us-gaap:IncomeTaxReconciliationStateAndLocalIncomeTaxes

us-gaap:IncomeTaxReconciliationTaxContingencies

us-gaap:IncomeTaxReconciliationTaxCredits

us-gaap:IncomeTaxReconciliationTaxExemptIncome

us-gaap:IncreaseDecreaseInAccountsPayableTrade
us-gaap:ProductOrService, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations, us-gaap:StatementBusinessSegments
us-gaap:IncreaseDecreaseInContractWithCustomerLiability

us-gaap:IncreaseDecreaseInDueToRelatedPartiesCurrent

us-gaap:IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInOtherNoncurrentLiabilities

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:InterestCostsIncurredCapitalized

us-gaap:LeaseCost

us-gaap:NetIncomeLossAttributableToParentDiluted

us-gaap:OciBeforeReclassificationsNetOfTaxAttributableToParent
us-gaap:StatementEquityComponents

us-gaap:OperatingLeaseCost

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax
us-gaap:DerivativeInstrumentRisk
us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
us-gaap:StatementEquityComponents

us-gaap:OtherOperatingIncomeExpenseNet

us-gaap:PaymentsOfDebtIssuanceCosts

us-gaap:PaymentsToAcquireIntangibleAssets

us-gaap:ProceedsFromDivestitureOfBusinesses

us-gaap:ProceedsFromStockOptionsExercised

us-gaap:ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent
us-gaap:StatementEquityComponents
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:RelatedPartyTransactionAmountsOfTransaction
us-gaap:ConsolidatedEntities, us-gaap:CounterpartyName
us-gaap:RelatedPartyTransactionPurchasesFromRelatedParty

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised
us-gaap:StatementEquityComponents
us-gaap:StatementGeographical
us-gaap:TranslationAdjustmentForNetInvestmentHedgeIncreaseDecreaseGrossOfTax

us-gaap:TreasuryStockRetiredCostMethodAmount
us-gaap:StatementEquityComponents

us-gaap:UnrecognizedTaxBenefitsPeriodIncreaseDecrease

us-gaap:UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations
us-gaap:ConsolidatedEntities, us-gaap:CounterpartyName
us-gaap:VariableInterestEntityOwnershipPercentage

us-gaap:VariableLeaseCost

us-gaap:WeightedAverageNumberOfSharesIssuedBasic

dei:EntityCommonStockSharesOutstanding

kra:AlternativeMinimumTaxCreditRefundsCurrent

kra:CustomerRelatedAccruals

kra:DebtIssuanceCostsIncludingLineOfCreditArrangementsNet

kra:DeferredTaxAssetsOperatingLease

kra:DeferredTaxAssetsOperatingLossCarryforwardsSubjectToValuationAllowance

kra:DeferredTaxLiabilitiesOperatingLeases

kra:DeferredTaxLiabiltiiesNetIncludingNetOfJurisdiction
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
kra:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationExpectedLongtermRateofReturnonPlanAssets
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
kra:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationExpectedLongtermRateofReturnonPlanAssetsNoninvestmentExpense
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
kra:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationExpectedLongtermRateofReturnonPlanAssetsbeforeNoninvestmentExpense
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
kra:DefinedBenefitPlanExpectedFutureBenefitPayments
us-gaap:RetirementPlanType

kra:DiscountedOperatingLeaseLiability
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
kra:DisposalGroupIncludingDiscontinuedOperationIncrementalWorkingCapital
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
kra:DisposalGroupIncludingDiscontinuedOperationsPreliminaryWorkingCapitalAdjustment

kra:FinanceLeaseLiabilitiesDiscounted

kra:LesseeOperatingLeaseLiabilityForeignCurrencyandOther

kra:LesseeOperatingLeaseLiabilityToBePaidDueAfterYearFour

kra:LongTermDebtNoncurrentMaturities

kra:LongtermDebtGrossAndLeaseObligation
us-gaap:CreditFacility
us-gaap:DebtInstrument, us-gaap:LongtermDebtType

kra:OtherInventoryGross1

kra:OtherInventoryNet

kra:OtherInventoryValuationReserves

kra:PropertyPlantAndEquipmentAccrualsCurrent

kra:TaxLiabilitiesNoncurrent

us-gaap:AccountsPayableAndOtherAccruedLiabilitiesCurrent

us-gaap:AccountsPayableTradeCurrent

us-gaap:AccrualForTaxesOtherThanIncomeTaxesCurrent

us-gaap:AccruedUtilitiesCurrent

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AssetRetirementObligation
us-gaap:StatementBusinessSegments

us-gaap:BuildingsAndImprovementsGross

us-gaap:ContractWithCustomerAssetNetCurrent

us-gaap:ContractWithCustomerLiability
us-gaap:BalanceSheetLocation

us-gaap:ContractWithCustomerLiabilityNoncurrent

us-gaap:DebtInstrumentCarryingAmount
us-gaap:CreditFacility
us-gaap:DebtInstrument
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrument
us-gaap:DebtInstrumentFaceAmount
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentInterestRateEffectivePercentage
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentRepurchaseAmount
us-gaap:BalanceSheetLocation, us-gaap:DebtInstrument
us-gaap:DebtIssuanceCostsLineOfCreditArrangementsNet
us-gaap:DebtInstrument

us-gaap:DeferredFinanceCostsNet
us-gaap:DebtInstrument

us-gaap:DeferredIncomeTaxAssetsNet
us-gaap:StatementGeographical

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredTaxAssetsDeferredIncome

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsInventory

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsNotSubjectToExpiration

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration

us-gaap:DeferredTaxAssetsOtherLossCarryforwards

us-gaap:DeferredTaxAssetsOtherTaxCarryforwards

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves

us-gaap:DeferredTaxLiabilitiesInvestmentInNoncontrolledAffiliates

us-gaap:DeferredTaxLiabilitiesOtherFiniteLivedAssets

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPensionPlanCurrentAndNoncurrentLiabilities
us-gaap:RetirementPlanType
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPensionPlanLiabilitiesCurrent
us-gaap:RetirementPlanType
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPensionPlanLiabilitiesNoncurrent
us-gaap:RetirementPlanType
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax
us-gaap:RetirementPlanType
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax
us-gaap:RetirementPlanType
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax
us-gaap:RetirementPlanType
us-gaap:BalanceSheetLocation, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent
us-gaap:BalanceSheetLocation, us-gaap:FairValueByMeasurementFrequency
us-gaap:RetirementPlanType, us-gaap:TransactionType
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate
us-gaap:RetirementPlanType
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanBenefitObligation
us-gaap:RetirementPlanType
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedAmortizationNextFiscalYear
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedAmortizationOfGainLossNextFiscalYear
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedAmortizationOfPriorServiceCostCreditNextFiscalYear
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter
us-gaap:RetirementPlanType
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths
us-gaap:RetirementPlanType
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive
us-gaap:RetirementPlanType
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour
us-gaap:RetirementPlanType
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree
us-gaap:RetirementPlanType
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo
us-gaap:RetirementPlanType
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear
us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanFairValueOfPlanAssets
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanFundedStatusOfPlan
us-gaap:RetirementPlanType
us-gaap:RetirementPlanName, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear
us-gaap:RetirementPlanName, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanUltimateHealthCareCostTrendRate1
us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanWeightedAverageAssetAllocations
us-gaap:BalanceSheetLocation, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:DerivativeLiabilitiesCurrent
us-gaap:BalanceSheetLocation, us-gaap:FairValueByMeasurementFrequency

us-gaap:DueToRelatedPartiesCurrent
us-gaap:ConsolidatedEntities, us-gaap:CounterpartyName
us-gaap:DueToRelatedPartiesCurrentAndNoncurrent
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:EmployeeRelatedLiabilitiesCurrent
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:EquityMethodInvestmentOwnershipPercentage
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueNetAssetLiability
us-gaap:FairValueByMeasurementFrequency

us-gaap:FinanceLeaseLiability
us-gaap:PropertyPlantAndEquipmentByType, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments

us-gaap:FinanceLeaseLiabilityPaymentsDue

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo

us-gaap:FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount
us-gaap:BalanceSheetLocation
us-gaap:FinanceLeaseRightOfUseAsset

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsGross
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:InterestPayableCurrent

us-gaap:InventoryFinishedGoodsNetOfReserves

us-gaap:InventoryGross

us-gaap:InventoryRawMaterialsAndSuppliesNetOfReserves

us-gaap:InventoryRawMaterialsNetOfReserves

us-gaap:InventoryValuationReserves

us-gaap:InventoryWorkInProcessNetOfReserves

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear
us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity
us-gaap:DebtInstrument

us-gaap:LongTermDebtAndCapitalLeaseObligationsCurrent
us-gaap:CreditFacility, us-gaap:FairValueByMeasurementBasis
us-gaap:LongTermDebtFairValue
us-gaap:DebtInstrument, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis, us-gaap:LongtermDebtType
us-gaap:DebtInstrument, us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementBasis, us-gaap:LongtermDebtType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OperatingLossCarryforwards

us-gaap:OtherSundryLiabilitiesCurrent

us-gaap:OtherSundryLiabilitiesNoncurrent

us-gaap:PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesNoncurrent

us-gaap:PrepaidExpenseCurrent

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding
us-gaap:AwardType

us-gaap:TaxCreditCarryforwardAmount

us-gaap:UnamortizedDebtIssuanceExpense
us-gaap:BalanceSheetLocation
us-gaap:CreditFacility
us-gaap:DebtInstrument
us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued
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
Cash And Cash Equivalents At Carrying Value
Assets
Cash And Cash Equivalents At Carrying Value
Current Assets
Other Assets Current
NonCurrent Assets
Other Assets Noncurrent
PropertyPlantAndEquipmentNet
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
Liabilities
Operating Lease Liability
Current Liabilities
Operating Lease Liability Current
Noncurrent Liabilities
Minority Interest
Stockholders Equity
Accumulated Other Comprehensive Income Loss Net Of Tax
CashFlow
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInOperatingActivities
Share Based Compensation
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInFinancingActivities
Net Cash Provided By Used In Financing Activities
Shares
Weighted Average Number Of Shares Outstanding Basic
OperatingLeaseLiability
Operating Lease Liability Current
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Payments Due Year Four
FiniteLivedIntangibleAssets
Finite Lived Intangible Assets Net
InventoryNet
Inventory Work In Process Net Of Reserves
AccountsReceivable
Allowance For Doubtful Accounts Receivable Current

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:CommonStockValue ▆▆▅▅▅▅▅▅▅▆▅▆▅▅▄▃▃▃▃▂▂▂▁▁▃▄▅███▇▇▇▇▆▆▆▆▆▆▆0.3210.3210.3190.3190.3190.3190.3180.3170.3190.320.3190.320.3190.3190.3160.3130.3120.3120.310.3090.3080.3080.3060.3050.3130.3140.3180.3280.3280.3280.3250.3250.3250.3250.3230.3230.3220.3220.3210.3210.321NA0.314NANANA
us-gaap:CommonStockSharesIssued ▆▆▅▅▅▅▅▅▅▆▅▅▅▅▄▃▃▃▂▂▂▂▁▁▄▄▅███▇▇▇▇▆▆▆▆▆▆▆32.14832.14431.87331.86331.86231.85531.75131.70731.86832.01931.91731.95731.88631.88731.60531.26131.20731.17630.9630.91630.83330.8430.56930.52431.3531.37731.83132.82832.79932.77432.54732.52832.52832.52832.27732.27632.2432.24332.09232.09232.052NA31.39NANANA
us-gaap:CommonStockSharesOutstanding ▆▆▅▅▅▅▅▅▅▆▅▅▅▅▄▃▃▃▂▂▂▂▁▁▄▄▅███▇▇▇▇▆▆▆▆▆▆▆32.14832.14431.87331.86331.86231.85531.75131.70731.86832.01931.91731.95731.88631.88731.60531.26131.20731.17630.9630.91630.83330.8430.56930.52431.3531.37731.83132.82832.79932.77432.54732.52832.52832.52832.27732.27632.2432.24332.09232.09232.052NA31.39NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding █▇▆▆▆▆▅▆▆▆▅▆▅▆▅▃▄▃▂▃▃▂▁▃▃▄▆██▆▇▆▇▆▆▆▆▇▆▇▇▇▆▅▄▃32.67932.45831.79831.78731.78231.94931.51631.82332.01731.90131.71431.83431.44131.85131.45430.62531.06630.85130.30630.78330.58630.28929.96930.84930.77231.06731.90732.632.77732.16232.43932.07332.37832.06231.97531.94332.17232.24831.89232.21532.33932.19731.9131.5931.10630.728
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic ▇▇▆▆▆▆▆▆▆▆▆▅▅▅▄▃▃▂▂▂▂▁▁▃▃▄▇███▇▇▇▇▇▇▇▇▇▇▆▆▅▄▃▃32.14631.92831.79831.78731.78231.58731.51631.48631.69231.63331.5231.45931.44131.24130.94430.62530.58530.4330.30630.22130.15830.02629.96930.50330.77231.06731.90732.31532.26832.16232.11132.07332.07332.06231.97531.94331.9331.90831.89231.8831.75731.60931.14730.91630.66830.539
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount NANANA0.493187NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:EarningsPerShareBasic ▆▆▅▁▆█▅▆▆▆▆▆▅▆▆▆▆▆▆▆▆▇▆▆▆▆▅▆▆▆▆▆▆▆▅▅▆▆▅▆▆▆▆▆▆▆1.131.04-0.69-12.67-0.256.55-0.670.591.290.40.551.33-0.470.692.21-0.130.820.21-0.120.50.242.87-0.130.27-0.18-0.3-0.540.510.34-0.240.15-0.170.12-0.12-0.91-0.480.380.51-0.661.341.470.690.330.91.250.64
us-gaap:EarningsPerShareDiluted ▆▆▅▁▆█▅▆▆▆▆▆▅▆▆▆▆▆▆▆▆▇▆▆▆▆▅▆▆▆▆▆▆▆▅▅▆▆▅▆▆▆▆▆▆▆1.111.02-0.69-12.67-0.256.47-0.670.581.280.390.551.31-0.470.682.17-0.130.810.2-0.120.490.242.84-0.130.27-0.18-0.3-0.540.50.33-0.240.15-0.170.12-0.12-0.91-0.480.380.5-0.661.331.440.680.320.881.240.64
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 COGS Ratio us-gaap:StatementBusinessSegments kra:Chemical█▆▅▄▁▅▄▄▆▆▃▇▆215.177196.121191.978174.898151.827186.889176.065182.628197.419195.356174.383202.14200.245NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 COGS Ratio us-gaap:StatementBusinessSegments kra:Polymer▅▃▂▁▁▃▃▄▆▄▅▇█278.446241.15214.786198.54203.852240.38232.459261.593297.861261.055273.4320.965338.15NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Gross Margin us-gaap:StatementBusinessSegments kra:Chemical█▆▅▄▁▅▄▄▆▆▃▇▆█▅▆▅▅▄▄▅▄215.177196.121191.978174.898151.827186.889176.065182.628197.419195.356174.383202.14200.245213.321186.519196.788190.202187.177176.784181.173184.53176.88NANANANANANANANANANANANANANANANANANANANANANANANA
 Gross Margin us-gaap:StatementBusinessSegments kra:Polymer▅▃▂▁▁▃▃▄▆▄▅▇█▆▅▇█▅▃▅▅▃278.446241.15214.786198.54203.852240.38232.459261.593297.861261.055273.4320.965338.15289.071279.451314.159335.118270.948238.605272.97270.119243.043NA269.012NANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:StatementBusinessSegments kra:Chemical█▆▅▄▁▅▄▄▆▆▃▇▆█▅▆▅▅▄▄▅▄215.177196.121191.978174.898151.827186.889176.065182.628197.419195.356174.383202.14200.245213.321186.519196.788190.202187.177176.784181.173184.53176.88NANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:StatementBusinessSegments kra:Polymer▅▃▂▁▁▃▃▄▆▄▅▇█▆▅▇█▅▃▅▅▃278.446241.15214.786198.54203.852240.38232.459261.593297.861261.055273.4320.965338.15289.071279.451314.159335.118270.948238.605272.97270.119243.043NA269.012NANANANANANANANANANANANANANANANANANANANANANA
 SG&A Ratio us-gaap:StatementBusinessSegments kra:Chemical█▆▅▄▁▅▄▄▆▆▃▇▆█▅▆▅▅▄▄▅▄215.177196.121191.978174.898151.827186.889176.065182.628197.419195.356174.383202.14200.245213.321186.519196.788190.202187.177176.784181.173184.53176.88NANANANANANANANANANANANANANANANANANANANANANANANA
 SG&A Ratio us-gaap:StatementBusinessSegments kra:Polymer▅▃▂▁▁▃▃▄▆▄▅▇█▆▅▇█▅▃▅▅▃278.446241.15214.786198.54203.852240.38232.459261.593297.861261.055273.4320.965338.15289.071279.451314.159335.118270.948238.605272.97270.119243.043NA269.012NANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 TTM Greenblatt ROC _ _██▇▁▇▇▇▇█▇▇███▇▇██▇█▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▆██▇▇64.00753.37334.111-406.77112.83128.241-9.94438.10356.16835.13533.39872.39482.78762.15539.68841.50861.60559.32335.42150.81746.7873.2264.10917.1510.602-3.631-10.22423.45819.132-1.8511.8291.79310.6710.786-7.407-9.63823.28625.647-24.7452.22457.91338.45216.595NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AllocatedShareBasedCompensationExpense ▁█2.62.9NA2.31.92.8NA2.72.23.3NA2.52.22.9NA2.22.23.0NA2.12.03.1NA2.02.02.6NA2.32.63.61.51.82.02.51.41.51.91.91.31.21.71.3NANANANA
us-gaap:ComprehensiveIncomeNetOfTax ▆▅▅▁▅█▅▅▆▅▅▆▅▅▆▅▆▅▅▅▅▆▅▅▅▅▄▅▅▅▅▅▅▅▅▅▅▅▅▅▆▆44.10424.454-20.352-405.286-4.908272.874-32.8520.44338.16611.4522.31650.9-26.1926.58566.1215.55854.45819.35-47.57519.5062.105111.394-7.94-6.5263.705-42.54-72.985-11.97212.759-6.97620.7123.826-0.437-12.183-40.824-9.643-9.17826.562-54.8913.35853.68940.255NANANANA
us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest ▆▄▅▅▅▄▄▅▅▄▄▄▃▄▄▃▁▃▂▃▃▃█▁▃▃▅▄▃▄▄▃▃▃▃▃▃▃2.9630.7122.2351.8562.0360.5270.4892.2331.9670.8351.5140.984-0.5970.5220.96-0.787-2.133-0.338-1.7170.339-0.7420.2045.995-2.7170.045-0.0931.7611.092-0.4790.8660.833-0.1780.2910.2240.00.00.00.0NANANANANANANANA
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest ▆▅▅▁▅█▅▅▆▅▅▆▅▅▆▅▆▅▅▅▅▆▅▅▅▅▄▅▅▅▅▅▅▅▅▅▅▅47.06725.166-18.117-403.43-2.872273.401-32.36122.67640.13312.28523.8351.884-26.78727.10771.67614.77152.32519.012-45.4619.8451.363111.598-1.945-9.2433.75-42.447-68.266-13.06412.28-6.1121.5453.648-0.146-12.407-40.824-9.643-9.17826.562NANANANANANANANA
us-gaap:CostOfGoodsAndServicesSold ▇▄▃▄▁▄▆▆█▇▆██354.098301.238289.891304.684262.635308.069331.578342.942366.078349.409339.225368.844367.686NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:GainsLossesOnExtinguishmentOfDebt NANA25.9-0.848-0.141-13.954-3.70.00.00.210.0340.0-72.33-7.591-0.019-15.6320.0-19.7380.00.00.0-13.4230.00.00.00.0NANANANANANANANA0.00.00.00.00.00.00.0-3.00.00.00.0NA
 us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:CreditFacility,us-gaap:DebtInstrument,us-gaap:LongtermDebtType us-gaap:SecuredDebt,kra:SeniorSecuredTermLoanFacility,us-gaap:MediumTermNotesNANANA-0.9NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:GrossProfit ▇▆▆▃▄▆▄▅▆▅▅▇█▇▆▆▇▇▆▆▆▄▃▃▂▂▂▃▃▃▃▂▃▃▂▂▄▄▁▅▅▄▃▄▄▃139.525136.033116.87368.75493.044119.276.946101.279129.202107.002108.558154.258170.376147.051122.562128.719147.256143.366118.054135.256131.89793.81866.84967.8147.43646.56144.0963.82472.0857.07358.6147.4559.86159.91139.6942.75373.4875.51919.486101.454108.39586.85159.37282.88189.11369.127
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest ▇▆▆▁▆█▆▆▆▆▆▇▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▇▇▆▆▆▆51.23243.354-4.96-420.806-0.422172.468-32.0423.22636.55216.26614.11851.611-15.94624.3129.092-7.01627.2795.407-13.54617.0417.8971.294-2.00611.095-5.0-9.675-16.06817.43913.029-8.072-3.535-3.8314.882-2.378-14.507-17.13915.67619.085-30.56746.53151.11824.42711.25932.86443.69NA
us-gaap:IncomeTaxExpenseBenefit ███▆▇▄▆▇▆▇▇▇▇▇▃▇▇▇▆▇▇▁▇▇▇▇▇▇▇▇▆▇▇▇█▇▇▇▆▇▇▇▇▇▇12.8818.76116.048-18.1896.659-36.552-9.9322.311-6.8462.654-5.1698.334-1.8422.251-60.791-2.1653.8541.218-8.932.1981.029-86.2512.8083.0760.9930.0661.7131.1222.1610.122-8.2592.0210.9051.44614.945-1.643.2692.732-9.5453.4384.1412.550.964.8285.095NA
us-gaap:IncomeTaxesPaidNet ▇▅▆▆▆▆▅▅▇▇▆▆▆▆▁▇▆▇▆▆▆▆▆▆▆▆▆▆▇▆▆▆▆▇▆▆█▆▆▆▆▆▆▆4.525-0.2170.2683.1631.4991.987-1.547-0.4235.6374.1372.3170.9280.7510.719-17.4253.8631.6446.5232.9351.92.0963.7920.9050.8052.6671.9631.4570.6026.3722.2931.4881.9340.824.6431.5461.7829.6321.2810.7740.2992.0413.7031.1811.418NANA
us-gaap:InterestIncomeExpenseNet ▇▇▆▆▆▅▅▅▅▅▅▅▄▃▂▂▂▂▁▂▂▂███████████▆-10.417-10.947-13.476-13.527-13.466-17.461-18.288-19.214-19.339-18.941-18.937-20.143-25.416-29.276-30.693-33.017-34.444-34.305-37.502-33.87-33.742-33.838-6.248-6.151-5.704-6.12-5.927-6.099-6.23-6.338-5.522-5.741-5.909-13.298NANANANANANANANANANANANA
us-gaap:InterestPaidNet ▃▁▄▃▂▃▃▃▃▂▄▄▅▄▅▃▅▃█▃▃▃▁▂▁▂▁▂▁▂▁▂▁▃▁▃▁▂▁▂▁▂▁▂18.2780.84622.79114.7079.5619.69914.71820.33615.3446.00928.77121.00435.73121.33231.70718.80435.74317.74158.73418.93718.34519.69-0.53311.361-0.85411.183-0.65711.566-0.12111.608-0.66411.037-0.46913.6390.54812.8041.0749.976-0.54911.0512.310.0272.4719.06NANA
us-gaap:NetIncomeLoss ▆▆▅▁▆█▅▆▆▆▆▆▅▆▆▆▆▆▆▆▆▇▆▆▆▆▅▆▆▆▆▆▆▆▅▅▆▆▅▆▆▆▆▆▆▆36.41133.229-21.926-403.794-7.968208.086-21.26418.69341.20812.66817.52442.349-14.9322.07269.608-4.03325.5616.413-3.7415.567.40188.087-3.9618.446-5.564-9.456-17.4316.61511.143-7.9094.899-5.5983.829-3.748-29.452-15.49912.40716.353-21.02243.09346.97721.87710.29928.03638.59519.795
us-gaap:NetIncomeLossAttributableToNoncontrollingInterest █▇▆▆▆▆▃██▆▇▆▆▄▅▃▁▁▃▃▄▄▃▄▄▄▄▄▄▄▄▄▅▄▅▅▅▅1.941.3640.9181.1770.8870.934-0.8442.2222.190.9441.7630.9280.826-0.0110.275-0.818-2.136-2.224-0.876-0.717-0.533-0.542-0.853-0.427-0.429-0.285-0.351-0.298-0.275-0.285-0.175-0.2540.148-0.0760.00.00.00.0NANANANANANANANA
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic ▆▆▅▁▆█▅▆▆▆▆▆▅▆▆▆▆▆▆▆▆▇▆▆▆▆▅▆▆▆▆▆▆▆▅▅▆▆▅▆▆▆36.41133.185-21.916-402.831-7.948206.803-21.07518.56140.91412.5417.28541.769-14.7221.70468.317-3.95625.066.289-3.62515.2317.23786.125-3.898.294-5.464-9.295-17.16816.36610.965-7.7984.838-5.523.775-3.714-29.191-15.35112.28716.234-20.94242.82846.7221.8NANANANA
us-gaap:OperatingIncomeLoss ██▇▁▇▇▇▇█▇▇███▇▇██▇█▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▆██▇▇▇█▇64.00753.37334.111-406.77112.83128.241-9.94438.10356.16835.13533.39872.39482.78762.15539.68841.50861.60559.32335.42150.81746.7873.2264.10917.1510.602-3.631-10.22423.45819.132-1.8511.8291.79310.6710.786-7.407-9.63823.28625.647-24.7452.22457.91338.45216.59538.9149.830.035
us-gaap:OtherComprehensiveIncomeLossNetOfTax █▁8.716-9.427NA-0.8134.20964.381NA1.761-3.265-1.3274.5438.607-12.6835.046-0.50519.62228.914.823-42.765.002-5.50524.053-0.547-17.2629.743-32.706-53.725-29.3811.8911.21815.9889.678-4.414-8.359-11.3725.856-21.58510.209-33.868-29.7356.712NANANANANA
us-gaap:ProfitLoss ▆▆▅▁▆█▅▆▆▆▆▆▅▆▆▆▆▆▆▆▆▇▆▆▆▅▅▆▆▆▆▆▆▆▅▅▆▆38.35134.593-21.008-402.617-7.081209.02-22.10820.91543.39813.61219.28743.277-14.10422.06169.883-4.85123.4254.189-4.61614.8436.86887.545-4.8148.019-5.993-9.741-17.78116.31710.868-8.1944.724-5.8523.977-3.824-29.452-15.49912.40716.353NANANANANANANANA
us-gaap:ResearchAndDevelopmentExpense ▇▆█▆▇█▇▇▇█▆███▇▇▇▇▆▇▇█▄▄▄▄▄▄▄▅▅▃▅▄▄▃▄▄▄▃▃▂▂▂▁9.7239.5210.5859.4549.91210.7929.98210.36710.17310.5519.42810.59710.47410.79710.29610.3259.75910.3459.1089.69310.11410.5767.6797.5977.8017.9477.6347.447.9998.2978.2427.4138.4467.9138.0547.4017.9967.567.7256.7036.9666.6025.9476.1255.572NA
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax ▇▆▅▄▄▅▅▆▇▆▆██▇▆▇█▆▅▆▆▅▁▂▁▁▂▃▃▃▂▃▃▃▂▃▄▅▂▅▄▃▂▃▃▂493.623437.271406.764373.438355.679427.269408.524444.221495.28456.411447.783523.105538.395502.392465.97510.947525.32458.125415.389454.143454.649419.923248.277269.012255.908261.429276.039318.971323.767311.656290.362327.109334.543340.107296.418342.635375.756408.313304.23401.993386.428344.828288.165335.442332.086272.732
us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax NANA406.764373.438355.679427.269408.524444.221495.28456.411447.783523.105538.395502.392465.97510.947525.32458.125415.389454.143454.649419.923248.277269.012255.908261.429276.039318.971323.767311.656290.362327.109334.543340.107296.418342.635375.756408.313304.23401.993386.428344.828288.165335.442332.086272.732
us-gaap:Revenues ▇▆▅▄▄▅▅▆▇▆▆██▇▆▇█▆▅▆▆▅▁▂▁▁▂▃▃▃▂▃▃▃▂▃▄▅▂▅▄▃▂▃▃▂493.623437.271406.764373.438355.679427.269408.524444.221495.28456.411447.783523.105538.395502.392465.97510.947525.32458.125415.389454.143454.649419.923248.277269.012255.908261.429276.039318.971323.767311.656290.362327.109334.543340.107296.418342.635375.756408.313304.23401.993386.428344.828288.165335.442332.086272.732
us-gaap:SellingGeneralAndAdministrativeExpense ▅▆▆▅▆█▆▄▆▆▅▅▆▆▅▆▆▆▆▇▇█▆▃▃▃▃▁▃▅▄▂▃▃▂▂▃▃▂▃▃▃▃▃▂34.03741.27939.19935.28538.40249.05838.17732.27238.45740.89437.04936.1541.97538.72337.45642.57941.30240.55541.7842.76943.21449.86239.8226.91723.62226.94925.33716.37428.2834.21832.0122.4325.00426.11422.33223.44726.31326.46320.68525.83827.91227.17123.65224.81921.772NA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:Assets ▆▆▆▆██▇███▇▇██████▇███▁▁▁▁▁▁▁▁▂▁▁▁▂▂▂▂▁▂▂2534.8622466.0772460.9572410.0372918.8222936.7332832.3852924.5063008.7052956.9382894.7042913.0442938.4612940.0412932.5272992.6063062.5262975.2132906.6452918.6932983.6562960.2341092.71064.3991057.5011031.4521082.4521136.6791161.3461172.0031194.7971151.8481132.5341174.7491229.1891237.5981312.7051307.0571153.7561199.5331204.09NA1080.723NANANA
us-gaap:Liabilities ▅▅▆▅▆▆▆▇▇▇▇▇▇▇▇███████▁▁▁▁▁▁▁▁▁▁▁▁▂▁▂▂▁▁▁1808.9471789.7551811.9551747.2471854.8641871.7342042.9572104.742209.2752194.8842147.1052189.6192270.8742247.8932266.0082408.2382495.7152463.452416.4082383.9652473.2582453.346699.708668.456637.152616.387614.301580.369594.602620.861640.399631.539632.925676.71736.974705.998773.53760.561635.962628.114647.681NA628.346NANANA
us-gaap:LiabilitiesAndStockholdersEquity ▆▆▆▆██▇███▇▇██████▇███▁▁▁▁▁▁▁▁▂▁▁▁▂▂▂▂▁▂▂2534.8622466.0772460.9572410.0372918.8222936.7332832.3852924.5063008.7052956.9382894.7042913.0442938.4612940.0412932.5272992.6063062.5262975.2132906.6452918.6932983.6562960.2341092.71064.3991057.5011031.4521082.4521136.6791161.3461172.0031194.7971151.8481132.5341174.7491229.1891237.5981312.7051307.0571153.7561199.5331204.09NA1080.723NANANA
us-gaap:StockholdersEquity ▄▄▄▄██▅▅▅▅▅▄▄▄▄▃▃▂▂▂▂▂▁▁▁▁▂▃▃▃▃▂▂▂▂▃▃▃▃▃▃677.601630.971604.363620.3861023.411026.487751.443782.27764.167728.758715.138692.478637.624661.588636.481555.29536.946479.765457.901500.675476.684472.432358.74360.854382.543377.304430.483516.881526.223511.1513.49489.982484.502482.641492.215531.6539.175546.496517.794571.419556.409NA452.377NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AssetsCurrent ▆▄▄▃▅▆▄▆▇▆▆▆▆▆▅▇█▇▆▆▅▅▁▁▁▁▂▃▃▄▄▄▄▅▅▆▇▇▄▅▅748.038683.693646.39617.79733.703752.756650.036770.987821.392778.889765.556780.059792.46745.286729.752812.559886.675806.862746.506764.111737.905715.798482.661484.303487.218480.908530.978586.966616.652632.937673.208640.618635.258684.853734.687753.617834.393819.508665.535707.078694.185NA602.382NANANA
us-gaap:CashAndCashEquivalentsAtCarryingValue ▂▂▃▂▅▅▁▃▂▁▃▂▂▂▃▃▄▃▄▅▄▃▂▂▂▁▂▂▂▃▆▅▃▅█▇██▃▁▂▁▃▃▁58.13260.78185.90162.821137.365151.50235.03383.2663.85437.16185.89151.50855.30464.85389.05289.118128.712104.066121.749143.548110.55278.37870.04963.79960.21439.79153.81862.28765.89197.319175.872144.6388.669136.118223.166202.271227.962233.47688.57945.54867.24536.03192.7578.28539.405NA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▂▃▄▃▇█▁▄▃▁▄▂▂▃▄58.13260.78185.90162.821137.365151.50235.03383.2663.85437.16185.89151.50855.30464.85389.052NANANA121.749NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ReceivablesNetCurrent ▇▆▄▄▄▅▄▆█▇▅▇█▇▅▇▇▆▅▅▅▅▁▁▁▂▁▂▃▃▂▃▃▃▂▃▄▄▃▄▄257.567220.83180.258169.519167.843201.045169.603212.387262.204258.211198.046253.105271.619243.061196.683253.437252.597216.33200.86209.867211.209206.21105.089110.803109.361121.004107.432134.31151.78150.848129.356142.886163.681153.747124.635164.55183.734186.567142.696179.761179.694NA136.132NANANA
us-gaap:InventoryNet ▅▄▃▃▅▄▄▇█▇▇▇▆▅▅▅▆▆▄▃▄▄▁▁▁▂▄▄▅▄▄▃▄▅▄▄▆▅▆364.329340.616318.885322.292362.066341.981332.457407.317431.38413.7410.64404.138394.033369.273367.796362.831394.82386.9327.996321.845330.911347.257264.107264.105266.55279.438326.992345.831351.743343.511328.772313.775336.622349.788340.323339.081382.483355.68394.796NANANA325.12NANANA
us-gaap:InventoryFinishedGoods ▅▄▃▃▅▄▄▇█▇▇▇▆▅▅▅▆▆▄▃▄▄▁▁▁▂▄▄364.329340.616318.885322.292362.066341.981332.457407.317431.38413.7410.64404.138394.033369.273367.796362.831394.82386.9327.996321.845330.911347.257264.107264.105266.55279.438326.992345.831NA256.997246.758229.651245.465264.506260.51258.929282.917255.362289.921435.362402.167NA325.12NANANA
us-gaap:OtherAssetsCurrent ▁▁▁▁▁▁▂▂▂▃▃▃▃▃▄▅▅▄▄███▃▃▃▂▂▂▂▂▂▂▃▃▃▃▃▃▃▄▄17.1517.16715.33816.05414.49717.14922.38523.65119.26227.69129.9831.38329.36430.00436.61545.99348.43739.26737.65868.13465.46266.07731.27827.27532.55222.40624.52124.04425.43520.23420.66519.60127.43926.95228.36327.88327.56331.35327.32836.53735.033NA38.749NANANA
us-gaap:Land NANA46.936NANANA38.494NANANA37.799NANANA38.176NANANA34.109NANANA10.164NANANA11.24NANANA11.191NANANA11.326NANANA11.021NANANA11.176NANANA
us-gaap:MachineryAndEquipmentGross NANA1358.99NANANA1270.646NANANA1236.163NANANA1208.199NANANA910.658NANANA675.822NANANA658.258NANANA650.034NANANA569.369NANANA562.512NANANA527.418NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NoncurrentAssets NANA1674.982NANANA1565.137NANANA1539.261NANA1511.0161485.4821448.4941403.21359.4161318.141326.0241307.4791270.867899.83870.005877.46838.126839.228832.262821.839801.04767.685NANA699.063692.984684.303668.935668.648654.415NANANA617.753NANANA
 us-gaap:NoncurrentAssets us-gaap:ConsolidationItems,us-gaap:StatementGeographical,us-gaap:StatementBusinessSegments srt:ReportableGeographicalComponents,country:DE,kra:ChemicalNANA6.057NANANA5.17NANANA4.911NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NoncurrentAssets us-gaap:ConsolidationItems,us-gaap:StatementGeographical,us-gaap:StatementBusinessSegments srt:ReportableGeographicalComponents,country:DE,kra:PolymerNANA79.388NANANA70.617NANANA68.231NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NoncurrentAssets us-gaap:ConsolidationItems,us-gaap:StatementGeographical,us-gaap:StatementBusinessSegments srt:ReportableGeographicalComponents,country:FR,kra:ChemicalNANA15.489NANANA13.153NANANA11.751NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NoncurrentAssets us-gaap:ConsolidationItems,us-gaap:StatementGeographical,us-gaap:StatementBusinessSegments srt:ReportableGeographicalComponents,country:FR,kra:PolymerNANA156.41NANANA144.785NANANA138.659NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NoncurrentAssets us-gaap:ConsolidationItems,us-gaap:StatementGeographical,us-gaap:StatementBusinessSegments srt:ReportableGeographicalComponents,country:SE,kra:ChemicalNANA78.329NANANA64.281NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NoncurrentAssets us-gaap:ConsolidationItems,us-gaap:StatementGeographical,us-gaap:StatementBusinessSegments srt:ReportableGeographicalComponents,country:TW,kra:PolymerNANA191.726NANANA183.963NANANA178.363NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NoncurrentAssets us-gaap:ConsolidationItems,us-gaap:StatementGeographical,us-gaap:StatementBusinessSegments srt:ReportableGeographicalComponents,country:US,kra:ChemicalNANA413.787NANANA385.235NANANA357.126NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NoncurrentAssets us-gaap:ConsolidationItems,us-gaap:StatementGeographical,us-gaap:StatementBusinessSegments srt:ReportableGeographicalComponents,country:US,kra:PolymerNANA591.361NANANA568.71NANANA541.017NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
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 us-gaap:NoncurrentAssets us-gaap:StatementGeographical country:DENANA85.445NANANA75.787NANANA73.142NANANA72.1NANANA60.568NANANA56.292NANA53.6160.02260.56565.06964.55664.258NANA53.9855.58150.62447.50349.09947.125NANANA47.059NANANA
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 us-gaap:NoncurrentAssets us-gaap:StatementGeographical country:TWNANA191.726NANANA183.963NANANA178.363NANANA182.644NANANA167.907NANANA135.41NANA73.00456.99447.53135.31730.45812.935NANA6.5160.0NANANANANANANANANANANA
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us-gaap:ConstructionInProgressGross NANA69.336NANANA73.124NANANA87.054NANANA67.601NANANA242.337NANANA167.61NANANA122.084NANANA59.12NANANA65.217NANANA37.747NANANA40.048NANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment ███▇▇▆▆▆▆▆▆▅▅▅▅▄▄▃▃▃▃▃▂▂▃▂▃▂▂▂▂▂▂▂▁▂▁▁▁▁▁763.649739.987732.279705.084676.878652.077639.197646.242634.052614.451597.785579.651560.012551.262526.759505.66467.992438.005411.418420.907410.315391.918382.157376.294398.132382.482387.463382.77380.683367.223353.428346.587330.881320.521311.779318.755304.314298.121281.442285.964286.77NA252.387NANANA
us-gaap:PropertyPlantAndEquipmentNet ████▇▇████████████▇▇▇▇▃▃▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁937.544928.081942.703921.528912.541907.15925.94932.649944.74937.301941.476931.629929.765959.754958.723942.834935.208921.411906.722905.117897.164878.949517.673493.711479.328455.644451.765449.492441.156433.817414.257402.609387.883378.542381.205365.548364.621370.527372.973375.8389.598NA365.366NANANA
us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures ▄▃▅▄▃▂▃▂▃▂▃▃▃▄▄▃▃▁▁▂▂▃▂▃▂▂▅▆▇▇█▇▆▆▇▆▆▆▆█▅12.20111.97812.72312.1611.68711.3911.97111.57711.85211.512.0712.08212.04312.41912.3812.09811.68811.00311.19511.60811.40911.72411.62811.72511.66111.23512.64813.00713.78413.72114.07413.75413.23112.98913.58213.29312.9913.29413.3513.90812.621NA13.589NANANA
us-gaap:Goodwill ▄▄▄▄██████████████████▁374.089373.828375.061373.845772.38772.045772.418771.739772.939772.462772.886773.373773.723775.464774.319773.635772.564770.525770.012753.928735.495740.150.0NANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:FiniteLivedIntangibleAssetsNet ▅▅▅▅▅▅▆▆▆▆▆▆▆▇▇▇▇▇▇███▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁276.166284.144294.734301.541307.414315.966325.877335.238345.486353.749362.038371.661383.296396.142406.863416.747423.043430.329439.198451.576469.61480.89541.60243.3646.13948.51849.6152.54853.92555.69657.48858.44760.22261.53963.39361.69363.81765.60366.18466.97667.287NA70.461NANANA
 us-gaap:DeferredTaxAssetsLiabilitiesNet us-gaap:StatementGeographical country:DKNANANA65.5NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OperatingLeaseRightOfUseAsset █▆▇███▇▃▃▁86.27482.11984.04286.83987.61986.20485.00369.92572.5264.309NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAssetsNoncurrent ▁▁▁▁▁▁▃▃▅▄▄▇███▂▂▂▂▂▃▃▁▁▂▃▄▃▃▃▃▃▃▃▃▂▂▃▂▂▄21.01921.45121.7720.53520.86921.13125.21926.14330.99327.94429.07437.60239.24240.67739.68823.33422.36724.75222.59423.33227.27625.13421.78921.33524.75826.53228.12225.19626.28725.73825.23126.04725.33926.22625.39724.68624.49824.94624.60824.00227.969NA25.753NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AccountsPayableCurrent NANA176.229NANANA168.541NANANA182.153NANANA169.265NANANA150.081NANANA59.337NANANA72.786NA79.488101.319115.73693.19397.468107.9699.16795.38111.898102.44988.02683.51495.92NA86.699NANANA
us-gaap:ContractWithCustomerLiabilityCurrent ██▇▇▇▇▁26.82526.79324.18223.87623.52323.1711.407NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LiabilitiesCurrent █▇▇▆▇▇▆▅▇▇▆▅▅▅▆▆▅▅▅▅▄▄▂▂▁▁▂▂▂▂▃▂▂▂▂▂▃▂▂▂▂475.612442.777433.087377.803399.318427.882366.644340.793434.468426.356349.087335.026330.46332.968350.712357.88327.088327.001336.973329.932275.611243.337164.59147.857129.373109.518143.515140.737148.765174.049195.06156.105158.229163.331181.812156.165201.756187.353161.09157.123172.335NA169.644NANANA
us-gaap:LongTermDebtCurrent ▆▆▅▅▅▅▄▄▇█▄▄▃▄▃▃▃▃▃▂▁▁▁▁▁▁▁80.97484.48872.34775.71760.92462.81653.13956.784110.105120.25545.32150.68939.37344.8942.64733.55333.52128.19241.82523.1350.1450.1430.1410.1390.1370.1350.087NANA2.9960.00.00.00.015.0740.09.3758.4387.57.57.5NA2.304NANANA
us-gaap:OperatingLeaseLiabilityCurrent ▇▇▇▇▇██▇▇▇▁17.47417.8118.29918.21519.32721.62720.90819.83419.5717.5290.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAccruedLiabilitiesCurrent NANA167.364NANANA112.645NANANA100.695NANANA119.624NANANA130.398NANANA91.011NANANA50.888NA46.9143.25654.53939.68739.13232.43950.97838.66249.71349.58651.25351.00750.567NA60.782NANANA
us-gaap:TaxesPayableCurrent ▇▆▅▄█▆▁34.34530.73426.36716.73240.05131.7413.372NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:LongTermDebt ▃▄▄▄▄▄▆▆▇▇▇▇▇▇▇▇██████▁917.778931.613937.863934.7471008.967999.3881364.6251474.5781534.4281531.5071532.6191578.0111646.8571618.2091617.5281700.6271810.9741781.5741739.5251722.0871745.7371751.026429.197NANANA351.872NANANANANANANANANANANANANANANANANANANA
us-gaap:LongTermDebtNoncurrent ▃▃▄▃▄▄▆▆▆▆▇▇▇▇▇▇██████▁▁▁▁▁836.804847.125865.516859.03948.043936.5721311.4861417.7941424.3231411.2521487.2981527.3221607.4841573.3191574.8811667.0741777.4531753.3821697.71698.9521745.5921750.883429.056404.799395.343392.517351.785NANA351.975350.989351.028351.066391.104432.943448.053480.589483.437385.0386.875388.75NA380.371NANANA
us-gaap:LongTermDebtAndCapitalLeaseObligations ▃▃▄▃▄▄▆▆▆▆▇▇▇▇▇▇██████▁▁▁▁▁▁▁▁▁836.804847.125877.746859.03948.043936.5721337.5231417.7941424.3231411.2521487.2981527.3221607.4841573.3191574.8811667.0741777.4531753.3821697.71698.9521745.5921750.883415.591404.799395.343392.517351.785351.849351.912351.975350.989NANANANANANANANANANANANANANANA
us-gaap:DeferredIncomeTaxLiabilitiesNet ▆█▄▁▂▄▄128.191131.469125.559120.797121.961125.77125.24NANANA127.827NANANA148.148NANANA211.396NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:MinorityInterest ██▇▇▇▇▇▆▆▆▆▅▅▅▅▅▅▆▆▆▆▆▆▆▆▆▆▇▇▇▇▅▃▃▁48.31445.35144.63942.40440.54838.51237.98537.49635.26333.29632.46130.94729.96330.5630.03829.07829.86531.99832.33634.05333.71434.45634.25235.08937.80637.76137.66839.42940.52140.04240.90830.32715.10715.3980.0NANANANANANANANANANANA
us-gaap:OtherLiabilitiesNoncurrent ▆▆▇▆▆▆▇▆▇▇▇▇███▇▇▇▇▅▅▅▃▃▃▃▃▁▂▂▂▃▃▃▃▂▂▂▂▁▁157.217160.669168.566157.48154.901153.569172.96161.063166.992180.518182.893175.377189.844192.7192.267168.139175.577171.687170.339141.305142.472143.31496.992103.107101.103102.499103.73971.80176.39876.60575.991103.051102.529101.48899.94688.89486.42283.96983.65865.44269.173NA64.242NANANA
us-gaap:OperatingLeaseLiabilityNoncurrent █▇▇██▇▇▂▃▁70.74866.42467.89870.78670.67667.16266.62452.59455.88849.907NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo █▂▇▅▁16.29714.91615.99215.67614.685NA17.629NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree ▄▁█▇▆12.41411.06914.30914.06813.161NA13.087NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour ▆▁█▇▄10.1598.8410.66810.5019.677NA9.665NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA8.605NANANA6.264NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NANA26.988NANANA27.86NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:StockholdersEquity ▄▄▄▄██▅▅▅▅▅▄▄▄▄▃▃▂▂▂▂▂▁▁▁▁▂▃▃▃▃▂▂▂▂▃▃▃▃▃▃677.601630.971604.363620.3861023.411026.487751.443782.27764.167728.758715.138692.478637.624661.588636.481555.29536.946479.765457.901500.675476.684472.432358.74360.854382.543377.304430.483516.881526.223511.1513.49489.982484.502482.641492.215531.6539.175546.496517.794571.419556.409NA452.377NANANA
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest ▄▄▄▄██▅▅▅▅▅▄▄▄▄▃▃▂▂▂▂▂▁▁▁▁▂▃▃▃▃▂▂▂▂▂▃▃▂725.915676.322649.002662.791063.9581064.999789.428819.766799.43762.054747.599723.425667.587692.148666.519584.368566.811511.763490.237534.728510.398506.888392.992395.943420.349415.065468.151556.31566.744551.142554.398520.309499.609498.039492.215531.6539.175546.496517.794NANANA452.377NANANA
us-gaap:CommonStockValue ▆▆▅▅▅▅▅▅▅▆▅▆▅▅▄▃▃▃▃▂▂▂▁▁▃▄▅███▇▇▇▇▆▆▆▆▆▆▆0.3210.3210.3190.3190.3190.3190.3180.3170.3190.320.3190.320.3190.3190.3160.3130.3120.3120.310.3090.3080.3080.3060.3050.3130.3140.3180.3280.3280.3280.3250.3250.3250.3250.3230.3230.3220.3220.3210.3210.321NA0.314NANANA
us-gaap:AdditionalPaidInCapitalCommonStock ██▇▇▇▆▆▆▆▆▆▆▅▅▅▄▄▃▃▃▂▂▂▁▂▂▃▄▄▄▃▃▃▂▂▂▂▂▁▁▁407.189404.644401.445397.121394.865393.128392.208390.207389.68389.5385.921385.545381.569379.203377.957369.702366.917364.194361.682358.798354.314352.167349.871347.462356.578354.644361.342372.78370.15367.307363.59361.627359.795357.788354.957353.518351.451349.594347.455346.19344.538NA334.457NANANA
us-gaap:RetainedEarningsAccumulatedDeficit ▃▃▂▃██▅▆▅▅▅▄▄▄▄▃▃▃▂▂▂▂▁▁▁▁▁▂▁▁▁▁▁▁▁▂▂▂▂▂▁309.038272.646240.464262.385666.173674.047464.712485.955470.127431.855420.597403.104360.778375.848356.503282.38286.413260.852254.439258.179242.619235.218147.131151.092148.685154.648168.041190.676174.061162.918170.827165.928171.526167.697171.445200.897216.396203.989187.636208.658165.565NA96.711NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▅▅▅▅▅▅▃▃▃▃▃▃▃▃▃▃▂▁▁▂▂▂▂▂▂▂▃▅▆▆▆▅▅▅▅▆▅▆▆▇█-38.947-46.64-37.865-39.439-37.947-41.007-105.795-94.209-95.959-92.917-91.699-96.491-105.042-93.782-98.295-97.105-116.696-145.593-158.53-116.611-120.557-115.261-138.568-138.005-123.033-132.302-99.218-46.903-18.316-19.453-21.252-37.898-47.144-43.169-34.51-23.138-28.994-7.409-17.61816.2545.985NA20.895NANANA
us-gaap:MinorityInterest ██▇▇▇▇▇▆▆▆▆▅▅▅▅▅▅▆▆▆▆▆▆▆▆▆▆▇▇▇▇▅▃▃▁48.31445.35144.63942.40440.54838.51237.98537.49635.26333.29632.46130.94729.96330.5630.03829.07829.86531.99832.33634.05333.71434.45634.25235.08937.80637.76137.66839.42940.52140.04240.90830.32715.10715.3980.0NANANANANANANANANANANA
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue ▁█2.5952.924NA2.2661.8972.848NA2.6592.193.3090.4822.4952.2232.9020.2612.2192.1732.9741.0622.1412.0483.0832.4142.0321.962.6092.0072.2742.583.6141.5321.8322.0072.5231.3261.5081.8571.88NANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▅▃▇▅▄▃█▇▆▂█▇▄▄██▄▃▄▇▆▂▄▅▅▃▅▄▃▁▅▆▄▂▅▅▄▅▆▃▆▁▅▆40.192-7.09388.97843.35817.8131.182116.17482.80866.162-30.204109.9988.49527.94220.152119.991109.2822.7283.44112.33985.97366.771-26.61522.27437.33850.732-6.49748.63532.7812.029-53.58747.36962.53616.325-20.77444.14533.4512.66256.07661.225-10.69358.38-44.13734.62271.775NANA
us-gaap:NetCashProvidedByUsedInInvestingActivities ▆▆▆▆▆█▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▁▆▆-23.45-24.721-21.985-18.181-26.215490.913-28.781-24.712-28.834-26.397-38.828-26.165-22.093-24.011-34.247-22.878-31.115-34.351-40.882-30.471-20.971-1272.431-38.498-26.824NANANANANANA-25.177-24.606-21.525-17.387-27.367-20.774-11.374-10.429-14.752-13.507-19.531-16.65-23.315-12.93NANA
us-gaap:NetCashProvidedByUsedInFinancingActivities ▂▃▂▂▃▁▂▂▃▃▂▂▂▂▂▂▃▃▃▂▃█▃▃-20.5068.898-46.452-101.144-5.029-368.308-135.732-40.127-9.2959.016-36.002-64.772-15.262-20.687-85.35-127.32426.33411.22914.184-27.663-8.2261301.84122.477-4.429NANANANANANA9.84515.042-41.677-45.4580.113-41.744-1.87596.907-1.875-1.469-6.3249.5480.1873.113NANA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▄▃▅▁▃█▂▄▅▂▅▄▃▃-2.649-25.1223.08-74.544-14.137116.469-48.22719.40626.693-48.7334.383-3.796-9.549-24.199NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AmortizationOfFinancingCosts ▁▁▁▁▁▂▂▂▂▂▂▂▂▃▆▃▃▄▅▃▃▃▁▁▁▁▁▁▁▁▁▁▁█▁▁▁▁▁▁▂▆▁▁0.4310.8090.6190.7020.6931.0311.1531.21.21.11.21.21.41.9454.01.92.02.3813.3981.81.61.9590.5650.60.5560.5510.5580.5570.5550.5530.5480.5370.5235.7810.7510.7840.7830.6680.6550.6541.2134.20.5180.517NANA
us-gaap:DeferredIncomeTaxExpenseBenefit ▇▇▇▇▆▁▆▇▇▇▄▇▆▇▁▆▇▆▆▇▆▆▇▇▇▆▇▇▆▆▅▆▇▇█▆▇▇▅▇▇▇▇▇-0.8493.5428.4621.865-2.122-64.319-8.7635.6563.543-0.595-30.0686.237-2.565-0.091-62.478-3.2090.86-1.177-8.2660.484-2.184-2.643-0.8440.854-0.87-2.2540.6990.343-1.172-2.393-12.809-1.206-0.61-0.92116.12-5.67-0.09-0.412-15.0461.252.60.735-0.7793.315NANA
us-gaap:DepreciationDepletionAndAmortization ▆▆▆▆▆▆█▇▆▆▇▇▇▇▇▇▇▇▆▆▆▆▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁31.71631.55732.19431.31331.34231.17337.94134.80431.90431.52235.77735.11735.1435.37635.12234.30734.5933.14331.74531.97731.78230.15415.24116.14515.41115.29616.61216.55216.66916.40916.52915.81415.74115.09816.71116.10915.88515.84915.81616.68915.60414.62613.17813.02711.969NA
us-gaap:IncreaseDecreaseInAccountsReceivable ▆▆▄▄▂▆▃▂▄▇▁▃▆▆▁▄▆▅▄▄▄▅▄▄▃▅▃▄▄▅▃▃█▂▂▃▄▆▂▄▄▆▃▃32.32645.145.596-3.174-34.21832.359-25.53-44.9751.49363.164-55.227-17.1136.7543.428-58.158-3.53129.26413.188-0.588-2.4545.01715.551-4.5443.163-13.93420.464-24.184-10.5490.9820.748-17.579-23.60174.416-32.078-39.705-21.4072.05542.411-34.9335.6090.23636.792-16.398-21.622NANA
us-gaap:IncreaseDecreaseInInventories ▆▆▄▁▅▆▁▃▅▅▅▅▇▄▅▂▄█▅▄▄▃▅▄▃▂▄▅▅▅▅▃▅▃▄▁▇▂▂▇▇▆▄▅21.84528.163-8.151-46.10717.1118.914-52.083-16.49816.1715.87710.68412.25937.066-1.9323.143-36.436-1.25656.81817.783-7.99-9.567-26.4782.9320.025-15.126-35.361-12.9136.1578.33914.314.292-26.76215.372-14.148-0.559-45.90234.804-41.958-33.45842.99834.06631.359-9.20616.915NANA
us-gaap:NetCashProvidedByUsedInOperatingActivities ▅▃▇▅▄▃█▇▆▂█▇▄▄██▄▃▄▇▆▂▄▅▅▃▅▄▃▁▅▆▄▂▅▅▄▅▆▃▆▁▅▆40.192-7.09388.97843.35817.8131.182116.17482.80866.162-30.204109.9988.49527.94220.152119.991109.2822.7283.44112.33985.97366.771-26.61522.27437.33850.732-6.49748.63532.7812.029-53.58747.36962.53616.325-20.77444.14533.4512.66256.07661.225-10.69358.38-44.13734.62271.775NANA
us-gaap:NetIncomeLoss ▆▆▅▁▆█▅▆▆▆▆▆▅▆▆▆▆▆▆▆▆▇▆▆▆▆▅▆▆▆▆▆▆▆▅▅▆▆▅▆▆▆▆▆▆▆36.41133.229-21.926-403.794-7.968208.086-21.26418.69341.20812.66817.52442.349-14.9322.07269.608-4.03325.5616.413-3.7415.567.40188.087-3.9618.446-5.564-9.456-17.4316.61511.143-7.9094.899-5.5983.829-3.748-29.452-15.49912.40716.353-21.02243.09346.97721.87710.29928.03638.59519.795
us-gaap:ProfitLoss ▆▆▅▁▆█▅▆▆▆▆▆▅▆▆▆▆▆▆▆▆▇▆▆▆▅▅▆▆▆▆▆▆▆▅▅▆▆38.35134.593-21.008-402.617-7.081209.02-22.10820.91543.39813.61219.28743.277-14.10422.06169.883-4.85123.4254.189-4.61614.8436.86887.545-4.8148.019-5.993-9.741-17.78116.31710.868-8.1944.724-5.8523.977-3.824-29.452-15.49912.40716.353NANANANANANANANA
us-gaap:ShareBasedCompensation ▅▆█▄▄▅▃▅▄▆▁▅▄▆▁▄▄▆▂▄▄▆▅▄▄▅▄▄▅▇▃▄▄▅▃▃▄▄▃▃▃▃▂▂2.5952.9244.352.2661.8972.8481.3352.6592.193.3090.4822.4952.2232.9020.2612.2192.1732.9741.0622.1412.0483.0832.4142.0321.962.6092.0072.2742.583.6141.5321.8322.0072.5231.3261.5081.8571.881.2631.2471.6551.2940.6361.065NANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▆▆▆▆▆█▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▁▆▆-23.45-24.721-21.985-18.181-26.215490.913-28.781-24.712-28.834-26.397-38.828-26.165-22.093-24.011-34.247-22.878-31.115-34.351-40.882-30.471-20.971-1272.431-38.498-26.824NANANANANANA-25.177-24.606-21.525-17.387-27.367-20.774-11.374-10.429-14.752-13.507-19.531-16.65-23.315-12.93NANA
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▅▆▅▄▆▅▇▆▇▆█▆▅▆▇▅▆▆█▆▅▅▄▄▄▄▅▁▇▅▆▆▅▄▆▅▄▃20.58722.42519.75515.01621.67617.44627.3926.31327.65822.32734.07523.82418.8523.37327.62820.80423.51227.27936.3223.15521.22818.50214.68114.35413.30514.72518.859-5.43632.7920.18523.15823.1820.28714.45522.5719.88813.7628.786NANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▂▃▂▂▃▁▂▂▃▃▂▂▂▂▂▂▃▃▃▂▃█▃▃-20.5068.898-46.452-101.144-5.029-368.308-135.732-40.127-9.2959.016-36.002-64.772-15.262-20.687-85.35-127.32426.33411.22914.184-27.663-8.2261301.84122.477-4.429NANANANANANA9.84515.042-41.677-45.4580.113-41.744-1.87596.907-1.875-1.469-6.3249.5480.1873.113NANA
us-gaap:ProceedsFromIssuanceOfLongTermDebt ▁▁▃▁▁▁▁▁▁▁▁▁▃▂▁▂▁▃▁▁▁█▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▃▁▁22.021.0400.00.01.076.00.017.69120.7519.51.018.0501.926211.6140.0306.3717.797415.05.00.00.01782.9650.05.00.025.010.05.024.00.00.00.00.040.00.00.00.0101.250.00.00.0400.00.00.0NANA
us-gaap:RepaymentsOfLongTermDebt ▂▁▇▂▁▇▃▂▁▁▁▂█▄▂▇▁▇▁▁▁▇▁▁▁▁▁▁▁▁▁▁▂▂▁▂▁▁▁▁▁▆▁▁37.06.0433.23497.5591.0436.174130.80244.69118.254.3131.88478.493506.37212.0100.994412.21517.797407.05.030.020.0430.1330.05.020.05.010.05.024.00.00.00.040.096.8750.041.8761.8751.8751.8751.8753.75385.660.5760.576NANA
us-gaap:PaymentsForRepurchaseOfCommonStock ▁▃▁▁▁▁▁▃▃▂▁▁▁▃▁▁▁▂▁▁▁▁▁▇▁▆█▁▁▁0.0694.8620.0990.0040.0660.6780.0945.0025.0412.6840.1380.0420.2615.7480.0010.7860.01.5110.0080.00.0130.9540.00817.2041.25813.42918.6790.0370.2380.429NANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value321000.0321000.0319000.0319000.0319000.0319000.0318000.0317000.0319000.0320000.0319000.0320000.0319000.0319000.0316000.0313000.0312000.0312000.0310000.0309000.0308000.0308000.0306000.0305000.0313000.0314000.0318000.0328000.0328000.0328000.0325000.0325000.0325000.0325000.0323000.0323000.0322000.0322000.0321000.0321000.0321000.0314000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesIssued


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value323231313131313131323131313131313131303030303030313131323232323232323232323232323231
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStockSharesOutstanding


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value323231313131313131323131313131313131303030303030313131323232323232323232323232323231
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value32323131313131313231313131313130313030303030293030313132323232323232313132323132323231313130
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value32313131313131313131313131313030303030303030293030313132323232323232313131313131313131303030
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount


Antidilutive
Period End2020-09-30
Value493190.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.131.04-0.69-12.67-0.256.55-0.670.591.290.40.551.33-0.470.692.21-0.130.820.21-0.120.50.242.87-0.130.27-0.18-0.3-0.540.510.34-0.240.15-0.170.12-0.12-0.91-0.480.380.51-0.661.341.470.690.330.91.250.64
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.111.02-0.69-12.67-0.256.47-0.670.581.280.390.551.31-0.470.682.17-0.130.810.2-0.120.490.242.84-0.130.27-0.18-0.3-0.540.50.33-0.240.15-0.170.12-0.12-0.91-0.480.380.5-0.661.331.440.680.320.881.240.64
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Allocated Share Based Compensation Expense

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:AllocatedShareBasedCompensationExpense


Allocated
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value2600000.02900000.02300000.01900000.02800000.02700000.02200000.03300000.02500000.02200000.02900000.02200000.02200000.03000000.02100000.02000000.03100000.02000000.02000000.02600000.02300000.02600000.03600000.01500000.01800000.02000000.02500000.01400000.01500000.01900000.01900000.01300000.01200000.01700000.01300000.0
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.50.70.60.50.70.60.40.70.50.40.60.40.40.70.50.40.70.70.81.00.70.81.20.50.60.60.70.50.40.50.50.40.30.40.4

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value4424-20.352-405.286-4.908272-32.852038112250-26.192666155419-47.575192.105111-7.94-6.5263.705-42.54-72.985-11.97212-6.976203.826-0.437-12.183-40.824-9.643-9.17826-54.89135340
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.95.6-5.0-108.5-1.463.9-8.04.67.72.55.09.7-4.95.314.23.010.44.2-11.54.30.526.5-3.2-2.41.4-16.3-26.4-3.83.9-2.27.11.2-0.1-3.6-13.8-2.8-2.46.5-18.03.313.911.7

Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value2963000.0712000.02235000.01856000.02036000.0527000.0489000.02233000.01967000.0835000.01514000.0984000.0-597000.0522000.0960000.0-787000.0-2133000.0-338000.0-1717000.0339000.0-742000.0204000.05995000.0-2717000.045000.0-93000.01761000.01092000.0-479000.0866000.0833000.0-178000.0291000.0224000.00000
Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.60.20.50.50.60.10.10.50.40.20.30.2-0.10.10.2-0.2-0.4-0.1-0.40.1-0.20.02.4-1.00.0-0.00.60.3-0.10.30.3-0.10.10.10.00.00.00.0

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value4725-18.117-403.43-2.872273-32.3612240122351-26.7872771145219-45.46191.363111-1.945-9.2433.75-42.447-68.266-13.06412-6.11213.648-0.146-12.407-40.824-9.643-9.17826
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.55.8-4.5-108.0-0.864.0-7.95.18.12.75.39.9-5.05.415.42.910.04.1-10.94.40.326.6-0.8-3.41.5-16.2-24.7-4.13.8-2.07.41.1-0.0-3.6-13.8-2.8-2.46.5

Cost Of Goods And Services Sold

us-gaap:CostOfGoodsAndServicesSold

us-gaap:CostOfGoodsAndServicesSold


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value354301289304262308331342366349339368367
Percentage of CostOfGoodsAndServicesSold100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax71.768.971.381.673.872.181.277.273.976.675.870.568.3

us-gaap:CostOfGoodsAndServicesSold us-gaap:StatementBusinessSegments

kra:Chemical


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value155142143141116136140139147142133138139
Percentage of CostOfGoodsAndServicesSold43.847.249.646.344.444.342.440.840.240.739.337.437.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax31.432.535.437.832.831.934.431.529.731.229.826.425.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax kra:Chemical72.172.40.080.776.873.00.076.674.572.80.068.369.6

kra:Polymer


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value199159146163146171191203218207205230228
Percentage of CostOfGoodsAndServicesSold56.252.850.453.755.655.757.659.259.859.360.762.662.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax40.336.435.943.841.140.246.845.744.245.446.044.142.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax kra:Polymer71.566.00.082.471.671.40.077.673.579.40.071.967.5

Gains Losses On Extinguishment Of Debt

us-gaap:GainsLossesOnExtinguishmentOfDebt

us-gaap:GainsLossesOnExtinguishmentOfDebt


Gains
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value25-0.848-0.141-13.954-3.70.00.00.210.0340.0-72.33-7.591-0.019-15.6320.0-19.7380.00.00.0-13.4230.00.00.00.00.00.00.00.00.00.00.0-3.00.00.00.0
Percentage of GainsLossesOnExtinguishmentOfDebt100.0100.0100.0100.0100.00.00.0100.0100.00.0100.0100.0100.0100.00.0100.00.00.00.0100.00.00.00.00.00.00.00.00.00.00.00.0100.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.4-0.2-0.0-3.3-0.90.00.00.00.00.0-13.4-1.5-0.0-3.10.0-4.30.00.00.0-3.20.00.00.00.00.00.00.00.00.00.00.0-0.90.00.00.0

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

us-gaap:SecuredDebt, kra:SeniorSecuredTermLoanFacility, us-gaap:MediumTermNotes


Gains
Period End2020-09-30
Value-0.9
Percentage of GainsLossesOnExtinguishmentOfDebt106.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:SecuredDebt kra:SeniorSecuredTermLoanFacility us-gaap:MediumTermNotes0.0

Gross Profit

us-gaap:GrossProfit

us-gaap:GrossProfit


Gross
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1391361166893119761011291071081541701471221281471431181351319366674746446372575847595939427375191011088659828969
Percentage of GrossProfit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax28.331.128.718.426.227.918.822.826.123.424.229.531.629.326.325.228.031.328.429.829.022.326.925.218.517.816.020.022.318.320.214.517.917.613.412.519.618.56.425.228.125.220.624.726.825.3

us-gaap:GrossProfit us-gaap:StatementBusinessSegments

kra:Chemical


Gross
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-30
Value605448333550354250534164606553616154535864280.0
Percentage of GrossProfit43.139.741.249.137.842.346.342.339.049.638.041.535.744.644.048.242.137.945.143.149.030.20.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.212.411.89.09.911.88.79.610.211.69.212.211.313.011.612.111.811.912.812.814.26.70.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax kra:Chemical27.927.60.019.323.227.00.023.425.527.20.031.730.430.70.031.532.629.00.032.235.016.00.0

kra:Polymer


Gross
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-30
Value79816834576841587853679010981686685896477676567
Percentage of GrossProfit56.960.358.850.962.257.753.757.761.050.462.358.564.555.456.051.857.962.154.956.951.069.8100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.118.716.99.416.316.110.113.215.911.815.117.220.416.214.713.116.219.415.617.014.815.625.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax kra:Polymer28.534.00.017.628.428.60.022.426.520.60.028.132.528.20.021.225.532.90.028.224.927.025.2

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value5143-4.96-420.806-0.422172-32.042336161451-15.946249.092-7.016275.407-13.546177.8971.294-2.00611-5.0-9.675-16.0681713-8.072-3.535-3.8314.882-2.378-14.507-17.1391519-30.567465124113243
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.49.9-1.2-112.7-0.140.4-7.85.27.43.63.29.9-3.04.82.0-1.45.21.2-3.33.81.70.3-0.84.1-2.0-3.7-5.85.54.0-2.6-1.2-1.21.5-0.7-4.9-5.04.24.7-10.011.613.27.13.99.813.2

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value128.76116-18.1896.659-36.552-9.9322.311-6.8462.654-5.1698.334-1.8422.251-60.791-2.1653.8541.218-8.932.1981.029-86.2512.8083.0760.9930.0661.7131.1222.1610.122-8.2592.0210.9051.44614-1.643.2692.732-9.5453.4384.1412.550.964.8285.095
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.62.03.9-4.91.9-8.6-2.40.5-1.40.6-1.21.6-0.30.4-13.0-0.40.70.3-2.10.50.2-20.51.11.10.40.00.60.40.70.0-2.80.60.30.45.0-0.50.90.7-3.10.91.10.70.31.41.5

Income Taxes Paid Net

us-gaap:IncomeTaxesPaidNet

us-gaap:IncomeTaxesPaidNet


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value4.525-0.2170.2683.1631.4991.987-1.547-0.4235.6374.1372.3170.9280.7510.719-17.4253.8631.6446.5232.9351.92.0963.7920.9050.8052.6671.9631.4570.6026.3722.2931.4881.9340.824.6431.5461.7829.6321.2810.7740.2992.0413.7031.1811.418
Percentage of IncomeTaxesPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.9-0.00.10.80.40.5-0.4-0.11.10.90.50.20.10.1-3.70.80.31.40.70.40.50.90.40.31.00.80.50.22.00.70.50.60.21.40.50.52.60.30.30.10.51.10.40.4

Interest Income Expense Net

us-gaap:InterestIncomeExpenseNet

us-gaap:InterestIncomeExpenseNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-10.417-10.947-13.476-13.527-13.466-17.461-18.288-19.214-19.339-18.941-18.937-20.143-25.416-29.276-30.693-33.017-34.444-34.305-37.502-33.87-33.742-33.838-6.248-6.151-5.704-6.12-5.927-6.099-6.23-6.338-5.522-5.741-5.909-13.298
Percentage of InterestIncomeExpenseNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-2.1-2.5-3.3-3.6-3.8-4.1-4.5-4.3-3.9-4.1-4.2-3.9-4.7-5.8-6.6-6.5-6.6-7.5-9.0-7.5-7.4-8.1-2.5-2.3-2.2-2.3-2.1-1.9-1.9-2.0-1.9-1.8-1.8-3.9

Interest Paid Net

us-gaap:InterestPaidNet

us-gaap:InterestPaidNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value180.84622149.56191420156.009282135213118351758181819-0.53311-0.85411-0.65711-0.12111-0.66411-0.469130.548121.0749.976-0.549112.3102.4719.06
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.70.25.63.92.74.63.64.63.11.36.44.06.64.26.83.76.83.914.14.24.04.7-0.24.2-0.34.3-0.23.6-0.03.7-0.23.4-0.14.00.23.70.32.4-0.22.70.62.90.92.7

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3633-21.926-403.794-7.968208-21.2641841121742-14.932269-4.033256.413-3.74157.40188-3.9618.446-5.564-9.456-17.431611-7.9094.899-5.5983.829-3.748-29.452-15.4991216-21.02243462110283819
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.47.6-5.4-108.1-2.248.7-5.24.28.32.83.98.1-2.84.414.9-0.84.91.4-0.93.41.621.0-1.63.1-2.2-3.6-6.35.23.4-2.51.7-1.71.1-1.1-9.9-4.53.34.0-6.910.712.26.33.68.411.67.3

Net Income Loss Attributable To Noncontrolling Interest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value1940000.01364000.0918000.01177000.0887000.0934000.0-844000.02222000.02190000.0944000.01763000.0928000.0826000.0-11000.0275000.0-818000.0-2136000.0-2224000.0-876000.0-717000.0-533000.0-542000.0-853000.0-427000.0-429000.0-285000.0-351000.0-298000.0-275000.0-285000.0-175000.0-254000.0148000.0-76000.00000
Percentage of NetIncomeLossAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.30.20.30.20.2-0.20.50.40.20.40.20.2-0.00.1-0.2-0.4-0.5-0.2-0.2-0.1-0.1-0.3-0.2-0.2-0.1-0.1-0.1-0.1-0.1-0.1-0.10.0-0.00.00.00.00.0

Net Income Loss Available To Common Stockholders Basic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value3633-21.916-402.831-7.948206-21.0751840121741-14.722168-3.956256.289-3.625157.23786-3.898.294-5.464-9.295-17.1681610-7.7984.838-5.523.775-3.714-29.191-15.3511216-20.942424621
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.47.6-5.4-107.9-2.248.4-5.24.28.32.73.98.0-2.74.314.7-0.84.81.4-0.93.41.620.5-1.63.1-2.1-3.6-6.25.13.4-2.51.7-1.71.1-1.1-9.8-4.53.34.0-6.910.712.16.3

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value645334-406.7711228-9.94438563533728262394161593550463.2264.109170.602-3.631-10.2242319-1.8511.8291.7931010-7.407-9.6382325-24.7452573816384930
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.012.28.4-108.93.66.6-2.48.611.37.77.513.815.412.48.58.111.712.98.511.210.30.81.76.40.2-1.4-3.77.45.9-0.60.60.53.23.2-2.5-2.86.26.3-8.113.015.011.25.811.615.011.0

us-gaap:OperatingIncomeLoss us-gaap:StatementBusinessSegments

kra:Chemical


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-30
Value22136.906-401.681-3.93110-4.7891921251227222917232517172229-10.720.0
Percentage of OperatingIncomeLoss34.425.320.298.7-30.636.548.252.137.773.736.438.027.247.245.057.141.329.849.343.563.1-332.30.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.53.11.7-107.6-1.12.4-1.24.54.35.72.75.34.25.83.84.64.83.94.24.96.5-2.60.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax kra:Chemical10.26.90.0-229.7-2.65.50.010.910.713.30.013.611.313.80.012.013.49.50.012.216.0-6.10.0

kra:Polymer


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-30
Value413927-5.091617-5.15518349.2521446032211736411728171317
Percentage of OperatingIncomeLoss65.674.779.81.3130.663.551.847.962.326.363.662.072.852.855.042.958.770.250.756.536.9432.3100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.59.16.7-1.44.74.2-1.34.17.12.04.78.611.26.54.73.56.99.14.36.33.83.36.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax kra:Polymer15.116.50.0-2.68.27.50.07.011.73.50.014.017.811.30.05.710.815.40.010.56.45.76.4

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value8.716-9.427-0.8134.209641.761-3.265-1.3274.5438.607-12.6835.046-0.505192814-42.765.002-5.50524-0.547-17.2629.743-32.706-53.725-29.3811.8911.218159.678-4.414-8.359-11.3725.856-21.58510-33.868-29.7356.712
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.8-2.2-0.21.215.10.4-0.7-0.31.01.6-2.41.0-0.13.85.53.2-10.31.1-1.25.7-0.2-6.43.8-12.5-19.5-9.20.60.45.53.0-1.3-2.5-3.81.7-5.72.5-11.1-7.41.7

us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value7.693-8.775-1.4923.06641.75-3.042-1.2184.7928.551-11.264.513-1.19192812-41.9193.946-5.29623-0.563-14.9729.269-33.084-52.315-28.5871.1371.799169.246-3.975-8.659-11.3725.856-21.58510
Percentage of OtherComprehensiveIncomeLossNetOfTax88.393.1183.572.7100.699.493.291.8105.599.388.889.4235.699.8100.087.398.078.996.296.9102.986.795.1101.297.497.360.1147.7104.195.590.1103.6100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.6-2.0-0.40.915.20.4-0.6-0.31.11.6-2.10.9-0.33.85.52.8-10.10.9-1.25.6-0.2-5.63.6-12.7-19.0-9.00.40.65.72.8-1.2-2.5-3.81.7-5.72.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value1.023-0.6520.6791.149-0.4070.011-0.223-0.109-0.2490.056-1.4230.5330.6850.0310.0031.886-0.8411.056-0.2090.7460.016-2.290.4740.378-1.41-0.7940.754-0.581-0.6580.432-0.4390.30.00.00.00.0
Percentage of OtherComprehensiveIncomeLossNetOfTax11.76.9-83.527.3-0.60.66.88.2-5.50.711.210.6-135.60.20.012.72.021.13.83.1-2.913.34.9-1.22.62.739.9-47.7-4.14.59.9-3.6-0.00.0-0.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.2-0.10.20.3-0.10.0-0.0-0.0-0.10.0-0.30.10.10.00.00.4-0.20.2-0.00.20.0-0.90.20.1-0.5-0.20.2-0.2-0.20.1-0.10.10.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-30
Value7.693-8.775-1.4923.06641.75-3.042-1.2184.7928.551-11.264.513-1.19192812-41.9193.946-5.29623-0.563-14.9729.269-33.084-52.315-28.5871.1371.7999.246
Percentage of OtherComprehensiveIncomeLossNetOfTax88.393.1183.572.7100.699.493.291.8105.599.388.889.4235.699.8100.087.398.078.996.296.9102.986.795.1101.297.497.360.1147.795.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.6-2.0-0.40.915.20.4-0.6-0.31.11.6-2.10.9-0.33.85.52.8-10.10.9-1.25.6-0.2-5.63.6-12.7-19.0-9.00.40.62.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value3834-21.008-402.617-7.081209-22.1082043131943-14.1042269-4.851234.189-4.616146.86887-4.8148.019-5.993-9.741-17.7811610-8.1944.724-5.8523.977-3.824-29.452-15.4991216
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.87.9-5.2-107.8-2.048.9-5.44.78.83.04.38.3-2.64.415.0-0.94.50.9-1.13.31.520.8-1.93.0-2.3-3.7-6.45.13.4-2.61.6-1.81.2-1.1-9.9-4.53.34.0

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value1.941.3641.1770.8870.9342.2222.190.9441.7630.9280.826-0.0110.275-0.818-2.136-2.224-0.876-0.717-0.533-0.542-0.853-0.427-0.429-0.285-0.351-0.298-0.275-0.285-0.175-0.2540.148-0.0760.00.00.00.0
Percentage of ProfitLoss5.13.9-0.3-12.50.410.65.06.99.12.1-5.9-0.00.416.9-9.1-53.119.0-4.8-7.8-0.617.7-5.37.22.92.0-1.8-2.53.5-3.74.33.72.0-0.0-0.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.30.30.20.20.50.40.20.40.20.2-0.00.1-0.2-0.4-0.5-0.2-0.2-0.1-0.1-0.3-0.2-0.2-0.1-0.1-0.1-0.1-0.1-0.1-0.10.0-0.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-30
Value3633-403.794-7.9682081841121742-14.932269-4.033256.413-3.74157.40188-3.9618.446-5.564-9.456-17.431611-7.909-5.598
Percentage of ProfitLoss94.996.1100.3112.599.689.495.093.190.997.9105.9100.099.683.1109.1153.181.0104.8107.8100.682.3105.392.897.198.0101.8102.596.595.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.47.6-108.1-2.248.74.28.32.83.98.1-2.84.414.9-0.84.91.4-0.93.41.621.0-1.63.1-2.2-3.6-6.35.23.4-2.5-1.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value3633-403.794-7.9682081841121742-14.932269-4.033256.413-3.74157.40188-3.9618.446-5.564-9.456-17.431611-7.9094.899-5.5983.829-3.748-29.452-15.4991216
Percentage of ProfitLoss94.996.1100.3112.599.689.495.093.190.997.9105.9100.099.683.1109.1153.181.0104.8107.8100.682.3105.392.897.198.0101.8102.596.5103.795.796.398.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.47.6-108.1-2.248.74.28.32.83.98.1-2.84.414.9-0.84.91.4-0.93.41.621.0-1.63.1-2.2-3.6-6.35.23.4-2.51.7-1.71.1-1.1-9.9-4.53.34.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Research And Development Expense

us-gaap:ResearchAndDevelopmentExpense

us-gaap:ResearchAndDevelopmentExpense


Research
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value9.7239.52109.4549.912109.9821010109.42810101010109.759109.1089.69310107.6797.5977.8017.9477.6347.447.9998.2978.2427.4138.4467.9138.0547.4017.9967.567.7256.7036.9666.6025.9476.1255.572
Percentage of ResearchAndDevelopmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.02.22.62.52.82.52.42.32.12.32.12.01.92.12.22.01.92.32.22.12.22.53.12.83.03.02.82.32.52.72.82.32.52.32.72.22.11.92.51.71.81.92.11.81.7

us-gaap:ResearchAndDevelopmentExpense us-gaap:StatementBusinessSegments

kra:Chemical


Research
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-30
Value2.5492.6082.6692.222.8153.0672.8173.0452.8352.9842.7263.1753.0883.353.1572.9782.9292.8322.7942.7732.8782.7240.0
Percentage of ResearchAndDevelopmentExpense26.227.425.223.528.428.428.229.427.928.328.930.029.531.030.728.830.027.430.728.628.525.80.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.50.60.70.60.80.70.70.70.60.70.60.60.60.70.70.60.60.60.70.60.60.60.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax kra:Chemical1.21.30.01.31.91.60.01.71.41.50.01.61.51.60.01.51.51.50.01.51.61.50.0

kra:Polymer


Research
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-30
Value7.1746.9127.9167.2347.0977.7257.1657.3227.3387.5676.7027.4227.3867.4477.1397.3476.837.5136.3146.927.2367.8527.597
Percentage of ResearchAndDevelopmentExpense73.872.674.876.571.671.671.870.672.171.771.170.070.569.069.371.270.072.669.371.471.574.2100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.51.61.91.92.01.81.81.61.51.71.51.41.41.51.51.41.31.61.51.51.61.92.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax kra:Polymer2.62.90.03.63.53.20.02.82.52.90.02.32.22.60.02.32.02.80.02.52.73.22.8

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value493437406373355427408444495456447523538502465510525458415454454419248269255261276318323311290327334340296342375408304401386344288335332272
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

kra:Adhesives, kra:Chemical


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value747168636064646468655973737368757773
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.116.416.717.117.115.215.714.513.914.413.414.113.714.614.714.714.716.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.116.416.717.117.115.215.714.513.914.413.414.113.714.614.714.714.716.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax kra:Adhesives kra:Chemical100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

kra:Cariflex, kra:Polymer


Revenue
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.00.00.036454951405041483943434338
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.08.611.111.110.39.011.38.09.17.99.48.48.38.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.08.611.111.110.39.011.38.09.17.99.48.48.38.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax kra:Cariflex kra:Polymer0.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

kra:IsopreneRubber, kra:Polymer


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value-0.02616251.8338.7446.8590.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.03.76.30.52.51.60.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.03.76.30.52.51.60.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax kra:IsopreneRubber kra:Polymer100.0100.0100.0100.0100.0100.00.00.0

kra:OtherProductandServices, kra:Polymer


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.2490.510.4270.7250.464-0.0860.1690.0990.1840.0860.3570.1140.147-0.202-0.0370.8470.1510.262
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.10.20.1-0.00.00.00.00.00.10.00.0-0.0-0.00.20.00.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.10.20.1-0.00.00.00.00.00.10.00.0-0.0-0.00.20.00.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax kra:OtherProductandServices kra:Polymer100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

kra:PerformanceChemicals, kra:Chemical


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1261111109984110100105115116105118114122106108100101
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax25.625.427.226.823.925.924.623.723.325.623.522.621.324.522.821.219.122.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax25.625.427.226.823.925.924.623.723.325.623.522.621.324.522.821.219.122.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax kra:PerformanceChemicals kra:Chemical100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

kra:PerformanceProducts, kra:Polymer


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value177127105117118118108141143138125179180145131175191141
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax35.929.325.931.433.327.826.731.828.930.328.034.333.629.028.234.436.430.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax35.929.325.931.433.327.826.731.828.930.328.034.333.629.028.234.436.430.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax kra:PerformanceProducts kra:Polymer100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

kra:SpecialtyPolymers, kra:Polymer


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value101968378767778701038296991081041049410090
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax20.522.120.521.121.518.219.216.020.918.021.719.020.120.722.418.519.119.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax20.522.120.521.121.518.219.216.020.918.021.719.020.120.722.418.519.119.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax kra:SpecialtyPolymers kra:Polymer100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

kra:Tires, kra:Chemical


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value141313115.98611111212139.2710111712131211
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.03.03.33.01.72.62.82.92.62.92.11.92.13.42.62.62.42.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.03.03.33.01.72.62.82.92.62.92.11.92.13.42.62.62.42.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax kra:Tires kra:Chemical100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementBusinessSegments

kra:Chemical


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-30
Value2151961911741511861761821971951742022002131861961901871761811841760.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax43.644.947.246.842.743.743.141.139.942.838.938.637.242.540.038.536.240.942.639.940.642.10.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax43.644.947.246.842.743.743.141.139.942.838.938.637.242.540.038.536.240.942.639.940.642.10.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax kra:Chemical100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

kra:Polymer


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-30
Value278241214198203240232261297261273320338289279314335270238272270243269
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax56.455.152.853.257.356.356.958.960.157.261.161.462.857.560.061.563.859.157.460.159.457.9100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax56.455.152.853.257.356.356.958.960.157.261.161.462.857.560.061.563.859.157.460.159.457.9100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax kra:Polymer100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementGeographical

country:DE


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value4841313231373343414040545248425355473037453940374942433952504944586049
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.99.57.88.89.08.78.39.78.49.08.910.59.89.69.210.410.610.411.713.414.212.313.013.015.112.612.813.315.213.512.214.514.515.714.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.99.57.88.89.08.78.39.78.49.08.910.59.89.69.210.410.610.411.713.414.212.313.013.015.112.612.813.315.213.512.214.514.515.714.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:DE100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

country:US


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value192156151147136165155157189168161199191185159181181167838295100101859910011391103122150100142130116
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax38.935.737.239.438.538.838.035.438.236.936.138.135.636.834.135.634.636.532.029.830.031.232.629.530.530.233.330.730.132.536.833.135.533.833.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax38.935.737.239.438.538.838.035.438.236.936.138.135.636.834.135.634.636.532.029.830.031.232.629.530.530.233.330.730.132.536.833.135.533.833.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:US100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

kra:AllOtherCountries


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value252239223193186224219243264247246269294269263275287243182023201918223227
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax51.254.855.051.852.552.553.854.953.454.254.951.554.753.656.654.054.853.17.07.37.46.36.36.27.09.68.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax51.254.855.051.852.552.553.854.953.454.254.951.554.753.656.654.054.853.17.07.37.46.36.36.27.09.68.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax kra:AllOtherCountries100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

country:DE, kra:Chemical


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value1314118.552121312141312
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.83.43.12.43.03.02.53.32.62.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.83.43.12.43.03.02.53.32.62.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:DE kra:Chemical100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

country:DE, kra:Polymer


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value34262123242929254139
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.16.15.76.65.76.75.95.77.97.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.16.15.76.65.76.75.95.77.97.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:DE kra:Polymer100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

country:US, kra:Chemical


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value81736964807885808781
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.516.818.618.118.917.717.217.616.715.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.516.818.618.118.917.717.217.616.715.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:US kra:Chemical100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

country:US, kra:Polymer


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value110827772857810487111110
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.418.920.820.320.017.721.019.321.420.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.418.920.820.320.017.721.019.321.420.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:US kra:Polymer100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

kra:AllOtherCountries, kra:Chemical


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value1191079378939099100101106
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax24.324.725.222.121.920.420.221.919.419.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax24.324.725.222.121.920.420.221.919.419.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax kra:AllOtherCountries kra:Chemical100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

kra:AllOtherCountries, kra:Polymer


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value13213199108130152164147167188
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax26.930.126.730.430.634.433.232.232.135.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax26.930.126.730.430.634.433.232.232.135.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax kra:AllOtherCountries kra:Polymer100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenue From Contract With Customer Including Assessed Tax

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax


Revenue
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value406373355427408444495456447523538502465510525458415454454419248269255261276318323311290327334340296342375408304401386344288335332272
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value493437406373355427408444495456447523538502465510525458415454454419248269255261276318323311290327334340296342375408304401386344288335332272
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:SellingGeneralAndAdministrativeExpense


Selling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value344139353849383238403736413837424140414243493926232625162834322225262223262620252727232421
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.99.49.69.410.811.59.37.37.89.08.36.97.87.78.08.37.98.910.19.49.511.916.010.09.210.39.25.18.711.011.06.97.57.77.56.87.06.56.86.47.27.98.27.46.6

us-gaap:SellingGeneralAndAdministrativeExpense us-gaap:StatementBusinessSegments

kra:Chemical


Selling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-30
Value161919161719151416171515171515181516151616200.0
Percentage of SellingGeneralAndAdministrativeExpense48.246.349.045.845.239.040.344.542.343.542.143.841.739.340.843.138.141.938.138.337.341.60.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.34.44.74.34.94.53.83.23.33.93.53.03.33.03.33.63.03.73.83.63.54.90.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax kra:Chemical7.69.710.09.211.410.28.77.98.29.18.97.88.77.18.29.38.39.19.09.08.711.70.0

kra:Polymer


Selling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-30
Value1722201921292217222321202423222425232526272926
Percentage of SellingGeneralAndAdministrativeExpense51.853.751.054.254.861.059.755.557.756.557.956.258.360.759.256.961.958.161.961.762.758.4100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.65.14.95.15.97.05.64.04.55.14.83.94.54.74.84.74.95.16.25.86.06.910.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax kra:Polymer6.39.29.39.610.312.59.86.97.58.87.86.37.28.17.97.77.68.710.89.710.012.010.0

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value253424662460241029182936283229243008295628942913293829402932299230622975290629182983296010921064105710311082113611611172119411511132117412291237131213071153119912041080
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidatedEntities

kra:KratonFormosaPolymersCorporation


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312019-12-31
Value192188192197
Percentage of Assets7.67.67.87.0
Percentage of Assets7.67.67.87.0
Percentage of Assets kra:KratonFormosaPolymersCorporation100.0100.0100.0100.0

us-gaap:Assets us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

kra:KratonFormosaPolymersCorporation


Assetsus-gaap:
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value188187193197200205
Percentage of Assets7.86.46.67.06.87.1
Percentage of Assets7.86.46.67.06.87.1
Percentage of Assets kra:KratonFormosaPolymersCorporation100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:StatementBusinessSegments

kra:Chemical


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value135813361356133917481746173417721793180017341752181018061824181617861779
Percentage of Assets53.654.255.155.659.959.561.260.659.660.959.960.261.661.661.059.360.061.2
Percentage of Assets53.654.255.155.659.959.561.260.659.660.959.960.261.661.661.059.360.061.2
Percentage of Assets kra:Chemical100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

kra:Polymer


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value1176112911041070117011901097115212151155116011601167112911251168124611891127
Percentage of Assets46.445.844.944.440.140.538.839.440.439.140.139.839.738.438.439.040.740.038.8
Percentage of Assets46.445.844.944.440.140.538.839.440.439.140.139.839.738.438.439.040.740.038.8
Percentage of Assets kra:Polymer100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1808178918111747185418712042210422092194214721892270224722662408249524632416238324732453699668637616614580594620640631632676736705773760635628647628
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets71.472.673.672.563.563.772.172.073.474.274.275.277.376.577.380.581.582.883.181.782.982.964.062.860.359.856.851.151.253.053.654.855.957.660.057.058.958.255.152.453.858.1

us-gaap:Liabilities us-gaap:ConsolidatedEntities

kra:KratonFormosaPolymersCorporation


Liabilitiesus-gaap:
Period End2021-06-302021-03-312020-12-312019-12-31
Value9597103121
Percentage of Liabilities5.35.55.76.0
Percentage of Assets3.84.04.24.3
Percentage of Assets kra:KratonFormosaPolymersCorporation49.751.953.761.6

us-gaap:Liabilities us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

kra:KratonFormosaPolymersCorporation


Liabilitiesus-gaap:
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value103106116121125140
Percentage of Liabilities5.95.86.26.05.96.5
Percentage of Assets4.33.74.04.34.34.9
Percentage of Assets kra:KratonFormosaPolymersCorporation54.956.860.161.662.568.4

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value253424662460241029182936283229243008295628942913293829402932299230622975290629182983296010921064105710311082113611611172119411511132117412291237131213071153119912041080
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-31
Value67763060462010231026751782764728715692637661636555536479457500476472358360382377430516526511513489484482492531539546517571556452348
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets26.725.624.625.735.135.026.526.725.424.624.723.821.722.521.718.617.516.115.817.216.016.032.833.936.236.639.845.545.343.643.042.542.841.140.043.041.141.844.947.646.241.90.0

Assets Current

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value748683646617733752650770821778765780792745729812886806746764737715482484487480530586616632673640635684734753834819665707694602
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets29.527.726.325.625.125.623.026.427.326.326.426.827.025.324.927.229.027.125.726.224.724.244.245.546.146.649.151.653.154.056.355.656.158.359.860.963.662.757.758.957.755.7

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-312008-12-31
Value5860856213715135836337855155648989128104121143110787063603953626597175144881362232022272338845673692783969101
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.32.53.52.64.75.21.22.82.11.33.01.81.92.23.03.04.23.54.24.93.72.66.46.05.73.95.05.55.78.314.712.67.811.618.216.317.417.97.73.85.60.08.60.00.00.00.0

us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:ConsolidatedEntities

kra:KratonFormosaPolymersCorporation


Cash
Period End2021-06-302021-03-312020-12-312019-12-31
Value1.7611.5613.09710
Percentage of CashAndCashEquivalentsAtCarryingValue3.02.63.629.7
Percentage of Assets0.10.10.10.4
Percentage of Assets kra:KratonFormosaPolymersCorporation0.90.81.65.3

us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

kra:KratonFormosaPolymersCorporation


Cash
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value2.9144.433.151106.2136.64
Percentage of CashAndCashEquivalentsAtCarryingValue4.63.22.129.77.57.7
Percentage of Assets0.10.20.10.40.20.2
Percentage of Assets kra:KratonFormosaPolymersCorporation1.52.41.65.33.13.2

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value58608562137151358363378551556489121
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.32.53.52.64.75.21.22.82.11.33.01.81.92.23.04.2

Receivables Net Current

us-gaap:ReceivablesNetCurrent

us-gaap:ReceivablesNetCurrent


Receivables
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value257220180169167201169212262258198253271243196253252216200209211206105110109121107134151150129142163153124164183186142179179136
Percentage of ReceivablesNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.29.07.37.05.86.86.07.38.78.76.88.79.28.36.78.58.27.36.97.27.17.09.610.410.311.79.911.813.112.910.812.414.513.110.113.314.014.312.415.014.912.6

Inventory Net

us-gaap:InventoryNet

us-gaap:InventoryNet


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value364340318322362341332407431413410404394369367362394386327321330347264264266279326345351343328313336349340339382355394325
Percentage of InventoryNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets14.413.813.013.412.411.611.713.914.314.014.213.913.412.612.512.112.913.011.311.011.111.724.224.825.227.130.230.430.329.327.527.229.729.827.727.429.127.234.230.1

Inventory Finished Goods

us-gaap:InventoryFinishedGoods

us-gaap:InventoryFinishedGoods


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value364340318322362341332407431413410404394369367362394386327321330347264264266279326345256246229245264260258282255289435402325
Percentage of InventoryFinishedGoods100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets14.413.813.013.412.411.611.713.914.314.014.213.913.412.612.512.112.913.011.311.011.111.724.224.825.227.130.230.421.920.719.921.722.521.220.921.619.525.136.333.430.1

Other Assets Current

us-gaap:OtherAssetsCurrent

us-gaap:OtherAssetsCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value171715161417222319272931293036454839376865663127322224242520201927262827273127363538
Percentage of OtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.70.70.60.70.50.60.80.80.60.91.01.11.01.01.21.51.61.31.32.32.22.22.92.63.12.22.32.12.21.71.71.72.42.32.32.32.12.42.43.02.93.6

us-gaap:OtherAssetsCurrent us-gaap:ConsolidatedEntities

kra:KratonFormosaPolymersCorporation


Other
Period End2021-06-302021-03-312020-12-312019-12-31
Value20201714
Percentage of OtherAssetsCurrent118.2118.5112.866.3
Percentage of Assets0.80.80.70.5
Percentage of Assets kra:KratonFormosaPolymersCorporation10.610.89.07.5

us-gaap:OtherAssetsCurrent us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

kra:KratonFormosaPolymersCorporation


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value171617141718
Percentage of OtherAssetsCurrent108.2115.1101.566.375.661.3
Percentage of Assets0.70.60.60.50.60.6
Percentage of Assets kra:KratonFormosaPolymersCorporation9.28.99.07.58.98.9

Land

us-gaap:Land

us-gaap:Land


Land
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value4638373834101111111111
Percentage of Land100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.91.41.31.31.20.91.00.90.91.01.0

Machinery And Equipment Gross

us-gaap:MachineryAndEquipmentGross

us-gaap:MachineryAndEquipmentGross


Machinery
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1358127012361208910675658650569562527
Percentage of MachineryAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets55.244.942.741.231.361.860.854.446.348.848.8

Noncurrent Assets

us-gaap:NoncurrentAssets

us-gaap:NoncurrentAssets


Noncurrent
Period End2020-12-312019-12-312018-12-312018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-312009-12-31
Value167415651539151114851448140313591318132613071270899870877838839832821801767699692684668668654617591
Percentage of NoncurrentAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets68.155.353.251.450.748.445.845.745.345.443.842.982.381.783.081.377.573.270.868.364.359.556.455.351.051.256.757.20.0

us-gaap:NoncurrentAssets us-gaap:ConsolidationItems, us-gaap:StatementGeographical, us-gaap:StatementBusinessSegments

srt:ReportableGeographicalComponents, country:DE, kra:Chemical


Noncurrent
Period End2020-12-312019-12-312018-12-31
Value6.0575.174.911
Percentage of NoncurrentAssets0.40.30.3
Percentage of Assets0.20.20.2
Percentage of Assets srt:ReportableGeographicalComponents country:DE kra:Chemical0.00.00.0

srt:ReportableGeographicalComponents, country:DE, kra:Polymer


Noncurrent
Period End2020-12-312019-12-312018-12-31
Value797068
Percentage of NoncurrentAssets4.74.54.4
Percentage of Assets3.22.52.4
Percentage of Assets srt:ReportableGeographicalComponents country:DE kra:Polymer0.00.00.0

srt:ReportableGeographicalComponents, country:FR, kra:Chemical


Noncurrent
Period End2020-12-312019-12-312018-12-31
Value151311
Percentage of NoncurrentAssets0.90.80.8
Percentage of Assets0.60.50.4
Percentage of Assets srt:ReportableGeographicalComponents country:FR kra:Chemical0.00.00.0

srt:ReportableGeographicalComponents, country:FR, kra:Polymer


Noncurrent
Period End2020-12-312019-12-312018-12-31
Value156144138
Percentage of NoncurrentAssets9.39.39.0
Percentage of Assets6.45.14.8
Percentage of Assets srt:ReportableGeographicalComponents country:FR kra:Polymer0.00.00.0

srt:ReportableGeographicalComponents, country:SE, kra:Chemical


Noncurrent
Period End2020-12-312019-12-31
Value7864
Percentage of NoncurrentAssets4.74.1
Percentage of Assets3.22.3
Percentage of Assets srt:ReportableGeographicalComponents country:SE kra:Chemical0.00.0

srt:ReportableGeographicalComponents, country:TW, kra:Polymer


Noncurrent
Period End2020-12-312019-12-312018-12-31
Value191183178
Percentage of NoncurrentAssets11.411.811.6
Percentage of Assets7.86.56.2
Percentage of Assets srt:ReportableGeographicalComponents country:TW kra:Polymer0.00.00.0

srt:ReportableGeographicalComponents, country:US, kra:Chemical


Noncurrent
Period End2020-12-312019-12-312018-12-31
Value413385357
Percentage of NoncurrentAssets24.724.623.2
Percentage of Assets16.813.612.3
Percentage of Assets srt:ReportableGeographicalComponents country:US kra:Chemical0.00.00.0

srt:ReportableGeographicalComponents, country:US, kra:Polymer


Noncurrent
Period End2020-12-312019-12-312018-12-31
Value591568541
Percentage of NoncurrentAssets35.336.335.1
Percentage of Assets24.020.118.7
Percentage of Assets srt:ReportableGeographicalComponents country:US kra:Polymer0.00.00.0

srt:ReportableGeographicalComponents, kra:AllOtherCountries, kra:Chemical


Noncurrent
Period End2020-12-312019-12-312018-12-31
Value73124117
Percentage of NoncurrentAssets4.47.97.6
Percentage of Assets3.04.44.0
Percentage of Assets srt:ReportableGeographicalComponents kra:AllOtherCountries kra:Chemical0.00.00.0

srt:ReportableGeographicalComponents, kra:AllOtherCountries, kra:Polymer


Noncurrent
Period End2020-12-312019-12-312018-12-31
Value684445
Percentage of NoncurrentAssets4.12.93.0
Percentage of Assets2.81.61.6
Percentage of Assets srt:ReportableGeographicalComponents kra:AllOtherCountries kra:Polymer0.00.00.0

us-gaap:NoncurrentAssets us-gaap:StatementBusinessSegments

kra:Chemical


Noncurrent
Period End2020-12-312019-12-312018-12-312017-12-31
Value587527490461
Percentage of NoncurrentAssets35.133.731.931.0
Percentage of Assets23.918.617.015.7
Percentage of Assets kra:Chemical43.330.428.325.5

kra:Polymer


Noncurrent
Period End2020-12-312019-12-312018-12-312017-12-31
Value1087103710481024
Percentage of NoncurrentAssets64.966.368.169.0
Percentage of Assets44.236.636.234.9
Percentage of Assets kra:Polymer98.494.590.491.0

us-gaap:NoncurrentAssets us-gaap:StatementGeographical

country:DE


Noncurrent
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-312009-12-31
Value8575737260565360606564645355504749474742
Percentage of NoncurrentAssets5.14.84.84.94.66.36.47.27.37.98.18.47.78.07.47.17.37.27.67.2
Percentage of Assets3.52.72.52.52.15.25.25.55.35.65.55.44.64.54.13.63.84.14.40.0
Percentage of Assets country:DE0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

country:FR


Noncurrent
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-312009-12-31
Value171157150138117112108115118124124123116118116115118115136125
Percentage of NoncurrentAssets10.310.19.89.38.912.513.013.814.215.115.516.116.717.117.117.317.817.622.121.3
Percentage of Assets7.05.65.24.74.110.310.610.710.410.710.610.49.99.69.58.89.110.012.60.0
Percentage of Assets country:FR0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

country:SE


Noncurrent
Period End2020-12-312019-12-31
Value7864
Percentage of NoncurrentAssets4.74.1
Percentage of Assets3.22.3
Percentage of Assets country:SE0.00.0

country:TW


Noncurrent
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-03-312012-12-31
Value1911831781821671357356473530126.5160.0
Percentage of NoncurrentAssets11.411.811.612.312.715.08.76.85.74.33.81.70.90.0
Percentage of Assets7.86.56.26.25.812.47.15.34.23.02.61.10.60.0
Percentage of Assets country:TW0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

country:US


Noncurrent
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-312009-12-31
Value1005953898851789497502495491476464453413411412403391387334317
Percentage of NoncurrentAssets60.060.958.357.359.955.360.059.059.058.058.059.059.159.460.260.358.659.154.153.7
Percentage of Assets40.833.731.029.027.145.548.845.843.241.039.637.935.233.533.330.730.033.530.90.0
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

kra:AllOtherCountries


Noncurrent
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-312009-12-31
Value1421691621581090.1740.170.1940.20.220.2190.224.2384.4354.3244.2494.5644.4364.5930.964
Percentage of NoncurrentAssets8.510.810.610.68.30.00.00.00.00.00.00.00.60.60.60.60.70.70.70.2
Percentage of Assets5.86.05.65.43.80.00.00.00.00.00.00.00.40.40.30.30.30.40.40.0
Percentage of Assets kra:AllOtherCountries0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Construction In Progress Gross

us-gaap:ConstructionInProgressGross

us-gaap:ConstructionInProgressGross


Construction
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value6973876724216712259653740
Percentage of ConstructionInProgressGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.82.63.02.38.315.311.34.95.33.33.7

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value763739732705676652639646634614597579560551526505467438411420410391382376398382387382380367353346330320311318304298281285286252
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets30.130.029.829.323.222.222.622.121.120.820.719.919.118.818.016.915.314.714.214.413.813.235.035.437.637.135.833.732.831.329.630.129.227.325.425.823.222.824.423.823.823.4

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value937928942921912907925932944937941931929959958942935921906905897878517493479455451449441433414402387378381365364370372375389365
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets37.037.638.338.231.330.932.731.931.431.732.532.031.632.632.731.530.531.031.231.030.129.747.446.445.344.241.739.538.037.034.735.034.232.231.029.527.828.332.331.332.433.8

us-gaap:PropertyPlantAndEquipmentNet us-gaap:ConsolidatedEntities

kra:KratonFormosaPolymersCorporation


Property
Period End2021-06-302021-03-312020-12-312019-12-31
Value147146150155
Percentage of PropertyPlantAndEquipmentNet15.715.816.016.8
Percentage of Assets5.85.96.15.5
Percentage of Assets kra:KratonFormosaPolymersCorporation76.677.678.278.5

us-gaap:PropertyPlantAndEquipmentNet us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

kra:KratonFormosaPolymersCorporation


Property
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value148148151155152159
Percentage of PropertyPlantAndEquipmentNet16.116.216.716.816.317.0
Percentage of Assets6.25.15.15.55.25.5
Percentage of Assets kra:KratonFormosaPolymersCorporation78.978.978.378.576.177.9

us-gaap:PropertyPlantAndEquipmentNet us-gaap:StatementBusinessSegments

kra:Chemical


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value411409419406399391399391398396398393398397383371361357
Percentage of PropertyPlantAndEquipmentNet43.944.144.544.143.843.243.142.042.242.342.342.241.541.540.739.839.339.5
Percentage of Assets16.216.617.116.813.713.314.113.413.313.413.813.513.613.612.812.112.212.3
Percentage of Assets kra:Chemical30.330.630.930.322.922.423.022.122.222.023.022.422.022.021.020.520.320.1

kra:Polymer


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value526518523515512515526540545541543538561561559563559548
Percentage of PropertyPlantAndEquipmentNet56.155.955.555.956.256.856.958.057.857.757.757.858.558.559.360.260.760.5
Percentage of Assets20.821.021.321.417.617.618.618.518.118.318.818.519.119.118.718.418.818.9
Percentage of Assets kra:Polymer44.745.947.348.243.843.348.046.944.946.846.846.449.749.847.945.247.148.7

Investments In Affiliates Subsidiaries Associates And Joint Ventures

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value121112121111111111111212121212121111111111111111111112131313141313121313121313131213
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.50.50.50.50.40.40.40.40.40.40.40.40.40.40.40.40.40.40.40.40.40.41.11.11.11.11.21.11.21.21.21.21.21.11.11.11.01.01.21.21.01.3

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures us-gaap:StatementBusinessSegments

kra:Polymer


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value121112121111111111111212121212111111
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.50.50.50.50.40.40.40.40.40.40.40.40.40.40.40.40.40.4
Percentage of Assets kra:Polymer1.01.11.21.11.01.01.11.01.01.01.01.01.11.11.00.90.91.0

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value3743733753737727727727717727727727737737757747737727707707537357400.0
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets14.815.215.215.526.526.327.326.425.726.126.726.526.326.426.425.925.225.926.525.824.725.00.0

us-gaap:Goodwill us-gaap:StatementBusinessSegments

kra:Chemical


Goodwillus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value374373375373772772772771772772772773775774773772770770
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets14.815.215.215.526.526.327.326.425.726.126.726.526.426.425.925.225.926.5
Percentage of Assets kra:Chemical27.528.027.727.944.244.244.543.543.142.944.644.142.842.942.442.543.143.3

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value2762842943013073153253353453533623713833964064164234304394514694804143464849525355575860616361636566666770
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.911.512.012.510.510.811.511.511.512.012.512.813.013.513.913.913.814.515.115.515.716.23.84.14.44.74.64.64.64.84.85.15.35.25.25.04.95.05.75.65.66.5

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:ConsolidatedEntities

kra:KratonFormosaPolymersCorporation


Finite
Period End2021-06-302021-03-312020-12-312019-12-31
Value7.667.677.9598.133
Percentage of FiniteLivedIntangibleAssetsNet2.82.72.72.5
Percentage of Assets0.30.30.30.3
Percentage of Assets kra:KratonFormosaPolymersCorporation4.04.14.14.1

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

kra:KratonFormosaPolymersCorporation


Finite
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value7.8967.9397.8818.1338.0158.59
Percentage of FiniteLivedIntangibleAssetsNet2.62.62.52.52.42.4
Percentage of Assets0.30.30.30.30.30.3
Percentage of Assets kra:KratonFormosaPolymersCorporation4.24.24.14.14.04.2

Deferred Tax Assets Liabilities Net

us-gaap:DeferredTaxAssetsLiabilitiesNet us-gaap:StatementGeographical

us-gaap:DeferredTaxAssetsLiabilitiesNet

country:DK


Deferred
Period End2020-09-30
Value65
Percentage of DeferredTaxAssetsLiabilitiesNet100.0
Percentage of Assets2.7
Percentage of Assets country:DK0.0

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312019-01-01
Value8682848687868569726470
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.43.33.43.63.02.93.02.42.42.20.0

us-gaap:OperatingLeaseRightOfUseAsset us-gaap:ConsolidatedEntities

kra:KratonFormosaPolymersCorporation


Operating
Period End2021-06-302021-03-312020-12-312019-12-31
Value7.0646.9947.1787.044
Percentage of OperatingLeaseRightOfUseAsset8.28.58.58.3
Percentage of Assets0.30.30.30.2
Percentage of Assets kra:KratonFormosaPolymersCorporation3.73.73.73.6

us-gaap:OperatingLeaseRightOfUseAsset us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

kra:KratonFormosaPolymersCorporation


Operating
Period End2020-09-302020-06-302020-03-312019-12-312019-09-30
Value7.0467.0166.8947.0446.876
Percentage of OperatingLeaseRightOfUseAsset8.18.08.08.39.8
Percentage of Assets0.30.20.20.20.2
Percentage of Assets kra:KratonFormosaPolymersCorporation3.73.73.63.63.4

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssetsNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value212121202021252630272937394039232224222327252121242628252625252625262524242424242725
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.80.90.90.90.70.70.90.91.00.91.01.31.31.41.40.80.70.80.80.80.90.82.02.02.32.62.62.22.32.22.12.32.22.22.12.01.91.92.12.02.32.4

us-gaap:OtherAssetsNoncurrent us-gaap:ConsolidatedEntities

kra:KratonFormosaPolymersCorporation


Other
Period End2021-06-302021-03-312020-12-312019-12-31
Value8.2295.6476.512.147
Percentage of OtherAssetsNoncurrent39.226.329.98.5
Percentage of Assets0.30.20.30.1
Percentage of Assets kra:KratonFormosaPolymersCorporation4.33.03.41.1

us-gaap:OtherAssetsNoncurrent us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

kra:KratonFormosaPolymersCorporation


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value4.3863.6016.6322.1478.8711
Percentage of OtherAssetsNoncurrent21.417.331.48.533.940.7
Percentage of Assets0.20.10.20.10.30.4
Percentage of Assets kra:KratonFormosaPolymersCorporation2.31.93.41.14.45.8

Accounts Payable Current

us-gaap:AccountsPayableCurrent

us-gaap:AccountsPayableCurrent


Accounts
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1761681821691505972791011159397107999511110288839586
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.26.06.35.85.25.46.76.88.69.78.18.69.28.17.78.57.87.67.08.08.0

Contract With Customer Liability Current

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:ContractWithCustomerLiabilityCurrent


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value2626242323231.407
Percentage of ContractWithCustomerLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.11.11.01.00.80.80.0

Liabilities Current

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value475442433377399427366340434426349335330332350357327327336329275243164147129109143140148174195156158163181156201187161157172169
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets18.818.017.615.713.714.612.911.714.414.412.111.511.211.312.012.010.711.011.611.39.28.215.113.912.210.613.312.412.814.916.313.614.013.914.812.615.414.314.013.114.315.7

us-gaap:LiabilitiesCurrent us-gaap:ConsolidatedEntities

kra:KratonFormosaPolymersCorporation


Liabilities
Period End2021-06-302021-03-312020-12-312019-12-31
Value7.76.8255.20912
Percentage of LiabilitiesCurrent1.61.51.23.5
Percentage of Assets0.30.30.20.5
Percentage of Assets kra:KratonFormosaPolymersCorporation4.03.62.76.5

us-gaap:LiabilitiesCurrent us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

kra:KratonFormosaPolymersCorporation


Liabilities
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value4.2475.70914121414
Percentage of LiabilitiesCurrent1.11.43.43.54.34.3
Percentage of Assets0.20.20.50.50.50.5
Percentage of Assets kra:KratonFormosaPolymersCorporation2.33.07.46.57.37.3

Long Term Debt Current

us-gaap:LongTermDebtCurrent

us-gaap:LongTermDebtCurrent


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value8084727560625356110120455039444233332841230.1450.1430.1410.1390.1370.1350.0872.9960.00.00.00.0150.09.3758.4387.57.57.52.304
Percentage of LongTermDebtCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0100.00.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.23.42.93.12.12.11.91.93.74.11.61.71.31.51.51.11.10.91.40.80.00.00.00.00.00.00.00.30.00.00.00.01.20.00.70.60.70.60.60.2

us-gaap:LongTermDebtCurrent us-gaap:ConsolidatedEntities

kra:KratonFormosaPolymersCorporation


Long
Period End2021-06-302020-12-312019-12-31
Value807252
Percentage of LongTermDebtCurrent99.199.799.7
Percentage of Assets3.22.91.9
Percentage of Assets kra:KratonFormosaPolymersCorporation41.837.426.8

us-gaap:LongTermDebtCurrent us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

kra:KratonFormosaPolymersCorporation


Long
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value756062525645
Percentage of LongTermDebtCurrent99.899.799.799.799.799.6
Percentage of Assets3.12.12.11.91.91.6
Percentage of Assets kra:KratonFormosaPolymersCorporation40.232.332.426.828.322.0

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value171718181921201919170.0
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets0.70.70.70.80.70.70.70.70.70.60.0

Other Accrued Liabilities Current

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:OtherAccruedLiabilitiesCurrent


Other
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value16711210011913091504643543939325038494951515060
Percentage of OtherAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.84.03.54.14.58.34.74.03.74.63.43.52.84.13.13.83.84.44.34.25.6

Taxes Payable Current

us-gaap:TaxesPayableCurrent

us-gaap:TaxesPayableCurrent


Taxes
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value3430261640313.372
Percentage of TaxesPayableCurrent100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.41.21.10.71.41.10.1

Long Term Debt

us-gaap:LongTermDebt

us-gaap:LongTermDebt


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value91793193793410089991364147415341531153215781646161816171700181017811739172217451751429351
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets36.237.838.138.834.634.048.250.451.051.852.954.256.055.055.256.859.159.959.859.058.559.239.332.5

us-gaap:LongTermDebt us-gaap:ConsolidatedEntities

kra:KratonFormosaPolymersCorporation


Long
Period End2020-12-312019-12-31
Value1749
Percentage of LongTermDebt1.93.6
Percentage of Assets0.71.7
Percentage of Assets kra:KratonFormosaPolymersCorporation9.125.0

us-gaap:LongTermDebt us-gaap:CreditFacility

kra:KFPCShortTermFacility


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value4449374127302024142313186.55108.430.0
Percentage of LongTermDebt4.95.33.94.42.73.01.51.70.91.60.81.10.40.60.50.0
Percentage of Assets1.82.01.51.70.91.00.70.80.50.80.40.60.20.40.30.0
Percentage of Assets kra:KFPCShortTermFacility0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

kra:KratonFormosaPolymersCorporationLoanAgreement


Long
Period End2020-12-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value52658279959611211312913514914616213511510510290760.0
Percentage of LongTermDebt5.66.56.05.46.26.37.37.27.98.49.38.69.07.66.66.15.95.217.90.0
Percentage of Assets2.12.22.92.73.23.23.93.94.44.65.14.95.34.64.03.63.43.17.00.0
Percentage of Assets kra:KratonFormosaPolymersCorporationLoanAgreement0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:LongTermDebt us-gaap:DebtInstrument

kra:ABLFacility


Long
Period End2021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312015-12-31
Value1515150.00.027245.035500.00.00.00.00.00.0
Percentage of LongTermDebt1.61.51.50.00.01.81.60.32.23.00.00.00.00.00.00.0
Percentage of Assets0.60.50.50.00.00.90.80.21.21.70.00.00.00.00.00.0
Percentage of Assets kra:ABLFacility0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

kra:KratonFormosaPolymersCorporationLoanAgreement


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value353452516782
Percentage of LongTermDebt3.93.75.65.56.66.0
Percentage of Assets1.41.42.12.12.32.9
Percentage of Assets kra:KratonFormosaPolymersCorporationLoanAgreement0.00.00.00.00.00.0

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

kra:EuroSeniorSecuredTermLoan, us-gaap:MediumTermNotes


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value99981031161881842733233373323383423623841942770.0
Percentage of LongTermDebt10.910.611.012.418.718.520.121.922.021.722.121.722.023.812.016.30.0
Percentage of Assets3.94.04.24.86.56.39.711.011.211.211.711.812.313.16.69.30.0
Percentage of Assets kra:EuroSeniorSecuredTermLoan us-gaap:MediumTermNotes0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

kra:FivePointTwoFivePercentSeniorNotesdueApril152023, us-gaap:SeniorNotes


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value3403363513353203143203113253203253303320.0
Percentage of LongTermDebt37.136.137.435.931.831.423.521.121.220.921.320.920.20.0
Percentage of Assets13.413.614.313.911.010.711.310.610.810.811.311.311.30.0
Percentage of Assets kra:FivePointTwoFivePercentSeniorNotesdueApril152023 us-gaap:SeniorNotes0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

kra:FourPointTwoFivePercentSeniorNotes, us-gaap:SeniorNotes


Long
Period End2021-06-302021-03-312020-12-31
Value393393393
Percentage of LongTermDebt42.942.241.9
Percentage of Assets15.516.016.0
Percentage of Assets kra:FourPointTwoFivePercentSeniorNotes us-gaap:SeniorNotes0.00.00.0

kra:SevenPointZeroPercentSeniorNotesdueApril152025, us-gaap:SeniorNotes


Long
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value3893893893883883883883923933923923923923923920.0
Percentage of LongTermDebt41.738.638.928.526.425.325.425.624.923.924.324.323.121.722.00.0
Percentage of Assets16.213.313.313.713.312.913.113.613.513.413.413.413.112.813.20.0
Percentage of Assets kra:SevenPointZeroPercentSeniorNotesdueApril152025 us-gaap:SeniorNotes0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Long Term Debt Noncurrent

us-gaap:LongTermDebtNoncurrent

us-gaap:LongTermDebtNoncurrent


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value8368478658599489361311141714241411148715271607157315741667177717531697169817451750429404395392351351350351351391432448480483385386388380
Percentage of LongTermDebtNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets33.034.435.235.632.531.946.348.547.347.751.452.454.753.553.755.758.058.958.458.258.559.139.338.037.438.132.530.029.430.531.033.335.236.236.637.033.432.332.335.2

Long Term Debt And Capital Lease Obligations

us-gaap:LongTermDebtAndCapitalLeaseObligations

us-gaap:LongTermDebtAndCapitalLeaseObligations


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value8368478778599489361337141714241411148715271607157315741667177717531697169817451750415404395392351351351351350
Percentage of LongTermDebtAndCapitalLeaseObligations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets33.034.435.735.632.531.947.248.547.347.751.452.454.753.553.755.758.058.958.458.258.559.138.038.037.438.132.531.030.330.029.4

us-gaap:LongTermDebtAndCapitalLeaseObligations us-gaap:ConsolidatedEntities

kra:KratonFormosaPolymersCorporation


Long
Period End2021-03-312020-12-31
Value8372
Percentage of LongTermDebtAndCapitalLeaseObligations9.98.2
Percentage of Assets3.42.9
Percentage of Assets kra:KratonFormosaPolymersCorporation44.437.4

us-gaap:LongTermDebtAndCapitalLeaseObligations us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

kra:KratonFormosaPolymersCorporation


Long
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value173332494780
Percentage of LongTermDebtAndCapitalLeaseObligations2.03.53.53.73.45.4
Percentage of Assets0.71.11.11.71.62.8
Percentage of Assets kra:KratonFormosaPolymersCorporation9.117.916.925.023.839.1

Deferred Income Tax Liabilities Net

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:DeferredIncomeTaxLiabilitiesNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312017-12-312016-12-31
Value128131125120121125125127148211
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.15.35.15.04.24.34.44.45.17.3

us-gaap:DeferredIncomeTaxLiabilitiesNet us-gaap:ConsolidatedEntities

kra:KratonFormosaPolymersCorporation


Deferred
Period End2021-06-302021-03-312020-12-31
Value0.6990.6521.984
Percentage of DeferredIncomeTaxLiabilitiesNet0.50.51.6
Percentage of Assets0.00.00.1
Percentage of Assets kra:KratonFormosaPolymersCorporation0.40.31.0

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value484544424038373735333230293030292931323433343435373737394040403015150.0
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets1.91.81.81.81.41.31.31.31.21.11.11.11.01.01.01.01.01.11.11.21.11.23.13.33.63.73.53.53.53.43.42.61.31.30.0

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value15716016815715415317216116618018217518919219216817517117014114214396103101102103717676751031021019988868383656964
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.26.56.86.55.35.26.15.55.66.16.36.06.56.66.65.65.75.85.94.84.84.88.99.79.69.99.66.36.66.56.48.99.18.68.17.26.66.47.35.55.75.9

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value70666770706766525549
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.82.72.82.92.42.32.41.81.91.7

us-gaap:OperatingLeaseLiabilityNoncurrent us-gaap:ConsolidatedEntities

kra:KratonFormosaPolymersCorporation


Operating
Period End2021-06-302021-03-312020-12-312019-12-31
Value6.7536.6066.76.603
Percentage of OperatingLeaseLiabilityNoncurrent9.59.99.99.9
Percentage of Assets0.30.30.30.2
Percentage of Assets kra:KratonFormosaPolymersCorporation3.53.53.53.3

us-gaap:OperatingLeaseLiabilityNoncurrent us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

kra:KratonFormosaPolymersCorporation


Operating
Period End2020-09-302020-06-302020-03-312019-12-312019-09-30
Value6.5016.7246.5346.6036.375
Percentage of OperatingLeaseLiabilityNoncurrent9.29.59.79.912.1
Percentage of Assets0.30.20.20.20.2
Percentage of Assets kra:KratonFormosaPolymersCorporation3.53.63.43.33.2

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value161415151417
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0100.0100.0100.0100.0100.0
Percentage of Assets0.60.60.60.70.50.6

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value121114141313
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0100.0100.0100.0100.0100.0
Percentage of Assets0.50.40.60.60.50.5

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value108.8410109.6779.665
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0100.0100.0100.0100.0100.0
Percentage of Assets0.40.40.40.40.30.3

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-312019-12-31
Value8605000.06264000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0100.0
Percentage of Assets0.30.2

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-312019-12-31
Value2627
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0100.0
Percentage of Assets1.11.0

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312019-01-01
Value8884868990888772756770
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.53.43.53.73.13.03.12.52.52.30.0

us-gaap:OperatingLeaseLiability us-gaap:PropertyPlantAndEquipmentByType, us-gaap:StatementBusinessSegments

kra:Railcars, kra:Chemical


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value23252628292521232424
Percentage of OperatingLeaseLiability27.130.031.031.632.628.525.132.232.935.7
Percentage of Assets0.91.01.11.21.00.90.80.80.80.8
Percentage of Assets kra:Railcars kra:Chemical0.00.00.00.00.00.00.00.00.00.0

kra:Railcars, kra:Polymer


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value2.2962.5132.7332.953.1663.0391.6761.5091.7030.697
Percentage of OperatingLeaseLiability2.63.03.23.33.53.41.92.12.31.0
Percentage of Assets0.10.10.10.10.10.10.10.10.10.0
Percentage of Assets kra:Railcars kra:Polymer0.00.00.00.00.00.00.00.00.00.0

us-gaap:Building, kra:Chemical


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value12109.868107.3867.8588.3578.8169.2639.82
Percentage of OperatingLeaseLiability13.712.311.411.68.28.99.512.212.314.6
Percentage of Assets0.50.40.40.40.30.30.30.30.30.3
Percentage of Assets us-gaap:Building kra:Chemical0.00.00.00.00.00.00.00.00.00.0

us-gaap:Building, kra:Polymer


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value30252425262829121313
Percentage of OperatingLeaseLiability34.230.728.629.030.031.633.317.218.519.9
Percentage of Assets1.21.01.01.10.91.01.00.40.50.5
Percentage of Assets us-gaap:Building kra:Polymer0.00.00.00.00.00.00.00.00.00.0

us-gaap:Equipment, kra:Chemical


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value5.0555.7896.7127.638.2189.0079.864109.7510
Percentage of OperatingLeaseLiability5.76.97.88.69.110.111.314.612.915.5
Percentage of Assets0.20.20.30.30.30.30.30.40.30.4
Percentage of Assets us-gaap:Equipment kra:Chemical0.00.00.00.00.00.00.00.00.00.0

us-gaap:Equipment, kra:Polymer


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1.8371.522.1511.2981.9472.5973.3382.2952.5821.251
Percentage of OperatingLeaseLiability2.11.82.51.52.22.93.83.23.41.9
Percentage of Assets0.10.10.10.10.10.10.10.10.10.0
Percentage of Assets us-gaap:Equipment kra:Polymer0.00.00.00.00.00.00.00.00.00.0

us-gaap:Land, kra:Chemical


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.0420.0410.0440.0420.0410.040.0420.0410.0430.042
Percentage of OperatingLeaseLiability0.00.00.10.00.00.00.00.10.10.1
Percentage of Assets0.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:Land kra:Chemical0.00.00.00.00.00.00.00.00.00.0

us-gaap:Land, kra:Polymer


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value7.16.9467.0456.8357.0426.8436.9166.6777.0836.509
Percentage of OperatingLeaseLiability8.08.28.27.77.87.77.99.29.49.7
Percentage of Assets0.30.30.30.30.20.20.20.20.20.2
Percentage of Assets us-gaap:Land kra:Polymer0.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherAssets, kra:Chemical


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value5.0255.2535.4985.2575.335.4085.55.6595.5970.583
Percentage of OperatingLeaseLiability5.76.26.45.95.96.16.37.87.40.9
Percentage of Assets0.20.20.20.20.20.20.20.20.20.0
Percentage of Assets us-gaap:OtherAssets kra:Chemical0.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherAssets, kra:Polymer


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.730.6840.7750.6860.5850.6280.7121.0750.6510.568
Percentage of OperatingLeaseLiability0.80.80.90.80.60.70.81.50.90.8
Percentage of Assets0.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:OtherAssets kra:Polymer0.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingLeaseLiability us-gaap:StatementBusinessSegments

kra:Chemical


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value46464851504745484944
Percentage of OperatingLeaseLiability52.355.556.757.755.953.752.266.865.566.7
Percentage of Assets1.81.92.02.11.71.61.61.71.61.5
Percentage of Assets kra:Chemical3.43.53.63.82.92.72.62.72.82.5

kra:Polymer


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value42373737394141242622
Percentage of OperatingLeaseLiability47.744.543.342.344.146.347.833.234.533.3
Percentage of Assets1.71.51.51.61.41.41.50.80.90.8
Percentage of Assets kra:Polymer3.63.33.43.53.43.53.82.12.11.9

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value100959710010297
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0100.0100.0100.0100.0100.0
Percentage of Assets4.03.94.04.23.53.5

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value12111111121010
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.50.40.50.50.40.40.4

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-31
Value67763060462010231026751782764728715692637661636555536479457500476472358360382377430516526511513489484482492531539546517571556452348
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets26.725.624.625.735.135.026.526.725.424.624.723.821.722.521.718.617.516.115.817.216.016.032.833.936.236.639.845.545.343.643.042.542.841.140.043.041.141.844.947.646.241.90.0

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-312009-12-312008-12-31
Value72567664966210631064789819799762747723667692666584566511490534510506392395420415468556566551554520499498492531539546517452348188
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets28.627.426.427.536.536.327.928.026.625.825.824.822.723.522.719.518.517.216.918.317.117.136.037.239.740.243.248.948.847.046.445.244.142.440.043.041.141.844.941.90.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

kra:AccumulatedGainLossNetNetInvestmentHedgeParent


Stockholders
Period End2020-12-312019-12-312018-12-312017-12-31
Value-13.156136.153-1.926
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-2.01.70.8-0.3
Percentage of Assets-0.50.50.2-0.1
Percentage of Assets kra:AccumulatedGainLossNetNetInvestmentHedgeParent0.00.00.00.0

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value-98.284-98.284-98.284-89.355-87.641-87.641-87.641-77.518-77.681-77.681-77.681-81.296-91.265-91.265-91.265-84.388-84.388-84.388-84.388-70.647-70.647-70.647
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-13.5-14.5-15.1-13.5-8.2-8.2-11.1-9.5-9.7-10.2-10.4-11.2-13.7-13.2-13.7-14.4-14.9-16.5-17.2-13.2-13.8-18.0
Percentage of Assets-3.9-4.0-4.0-3.7-3.0-3.0-3.1-2.7-2.6-2.6-2.7-2.8-3.1-3.1-3.1-2.8-2.8-2.8-2.9-2.4-2.4-6.5
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:AccumulatedNetUnrealizedInvestmentGainLoss


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value-4.456-1.819-13.156-1.364102513177.139106.1532.440.715-1.926-1.926-1.926-1.926-1.926-1.926-1.926-1.926-1.926
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-0.6-0.3-2.0-0.20.92.41.72.20.91.40.80.30.1-0.3-0.3-0.3-0.3-0.4-0.4-0.4-0.4-0.5
Percentage of Assets-0.2-0.1-0.5-0.10.30.90.50.60.20.40.20.10.0-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.2
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 End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-312009-12-312008-12-31
Value-38.947-46.64-37.865-39.439-37.947-41.007-105.795-94.209-95.959-92.917-91.699-96.491-105.042-93.782-98.295-97.105-116.696-145.593-158.53-116.611-120.557-115.261-138.568-138.005-123.033-132.302-99.218-46.903-18.316-19.453-21.252-37.898-47.144-43.169-34.51-23.138-28.994-7.409-17.61820365.823
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-5.4-6.9-5.8-6.0-3.6-3.9-13.4-11.5-12.0-12.2-12.3-13.3-15.7-13.5-14.7-16.6-20.6-28.4-32.3-21.8-23.6-22.7-35.3-34.9-29.3-31.9-21.2-8.4-3.2-3.5-3.8-7.3-9.4-8.7-7.0-4.4-5.4-1.4-3.44.610.63.1
Percentage of Assets-1.5-1.9-1.5-1.6-1.3-1.4-3.7-3.2-3.2-3.1-3.2-3.3-3.6-3.2-3.4-3.2-3.8-4.9-5.5-4.0-4.0-3.9-12.7-13.0-11.6-12.8-9.2-4.1-1.6-1.7-1.8-3.3-4.2-3.7-2.8-1.9-2.2-0.6-1.51.90.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value635373513921-29.389-34.738-25.992-28.589-24.093-24.102-20.61-6.035-9.654-12.04-30.95-60.596-72.731-38.684-42.678-65.995
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest8.87.911.37.73.72.0-3.7-4.2-3.3-3.8-3.2-3.3-3.1-0.9-1.4-2.1-5.5-11.8-14.8-7.2-8.4-16.8
Percentage of Assets2.52.23.02.11.40.7-1.0-1.2-0.9-1.0-0.8-0.8-0.7-0.2-0.3-0.4-1.0-2.0-2.5-1.3-1.4-6.0
Percentage of Assets us-gaap:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-312009-12-312008-12-31
Value4074044013973943933923903893893853853813793773693663643613583543523493473563543613723703673633613593573543533513493473343110.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest56.159.861.959.937.136.949.747.648.751.151.653.357.254.856.763.364.771.273.867.169.469.589.087.884.885.477.267.065.366.665.669.572.071.872.166.565.264.067.173.989.40.0
Percentage of Assets16.116.416.316.513.513.413.813.313.013.213.313.213.012.912.912.412.012.212.412.311.911.932.032.633.734.433.432.831.931.330.431.431.830.528.928.626.826.730.130.90.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-312009-12-312008-12-31
Value0.3210.3210.3190.3190.3190.3190.3180.3170.3190.320.3190.320.3190.3190.3160.3130.3120.3120.310.3090.3080.3080.3060.3050.3130.3140.3180.3280.3280.3280.3250.3250.3250.3250.3230.3230.3220.3220.3210.3140.2970.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value484544424038373735333230293030292931323433343435373737394040403015150.00.00.00.00.00.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest6.76.76.96.43.83.64.84.64.44.44.34.34.54.44.55.05.36.36.66.46.66.88.78.99.09.18.07.17.17.37.45.83.03.10.00.00.00.00.00.0
Percentage of Assets1.91.81.81.81.41.31.31.31.21.11.11.11.01.01.01.01.01.11.11.21.11.23.13.33.63.73.53.53.53.43.42.61.31.30.00.00.00.00.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value67763060462010231026751782764728715692637661636555536479457500476472358360382377430516526511513489484492
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest93.393.393.193.696.296.495.295.495.695.695.795.795.595.695.595.094.793.793.493.693.493.291.391.191.090.992.092.992.992.792.694.297.0100.0
Percentage of Assets26.725.624.625.735.135.026.526.725.424.624.723.821.722.521.718.617.516.115.817.216.016.032.833.936.236.639.845.545.343.643.042.542.840.0
Percentage of Assets us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-312009-12-312008-12-31
Value30927224026266667446448547043142040336037535628228626025425824223514715114815416819017416217016517116717120021620318796-0.0140.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest42.640.337.139.662.663.358.959.358.856.756.355.754.054.353.548.350.551.051.948.347.546.437.438.235.437.335.934.330.729.630.831.934.333.734.837.840.137.336.221.4-0.00.0
Percentage of Assets12.211.19.810.922.823.016.416.615.614.614.513.812.312.812.29.49.48.88.88.88.17.913.514.214.115.015.516.815.013.914.314.415.114.313.916.216.515.616.38.90.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value321000.0321000.0319000.0319000.0319000.0319000.0318000.0317000.0319000.0320000.0319000.0320000.0319000.0319000.0316000.0313000.0312000.0312000.0310000.0309000.0308000.0308000.0306000.0305000.0313000.0314000.0318000.0328000.0328000.0328000.0325000.0325000.0325000.0325000.0323000.0323000.0322000.0322000.0321000.0321000.0321000.0314000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Additional Paid In Capital Common Stock

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AdditionalPaidInCapitalCommonStock


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value407404401397394393392390389389385385381379377369366364361358354352349347356354361372370367363361359357354353351349347346344334
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets16.116.416.316.513.513.413.813.313.013.213.313.213.012.912.912.412.012.212.412.311.911.932.032.633.734.433.432.831.931.330.431.431.830.528.928.626.826.730.128.928.630.9

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value30927224026266667446448547043142040336037535628228626025425824223514715114815416819017416217016517116717120021620318720816596
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets12.211.19.810.922.823.016.416.615.614.614.513.812.312.812.29.49.48.88.88.88.17.913.514.214.115.015.516.815.013.914.314.415.114.313.916.216.515.616.317.413.88.9

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value-38.947-46.64-37.865-39.439-37.947-41.007-105.795-94.209-95.959-92.917-91.699-96.491-105.042-93.782-98.295-97.105-116.696-145.593-158.53-116.611-120.557-115.261-138.568-138.005-123.033-132.302-99.218-46.903-18.316-19.453-21.252-37.898-47.144-43.169-34.51-23.138-28.994-7.409-17.618164520
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-1.5-1.9-1.5-1.6-1.3-1.4-3.7-3.2-3.2-3.1-3.2-3.3-3.6-3.2-3.4-3.2-3.8-4.9-5.5-4.0-4.0-3.9-12.7-13.0-11.6-12.8-9.2-4.1-1.6-1.7-1.8-3.3-4.2-3.7-2.8-1.9-2.2-0.6-1.51.43.81.9

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value484544424038373735333230293030292931323433343435373737394040403015150.0
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets1.91.81.81.81.41.31.31.31.21.11.11.11.01.01.01.01.01.11.11.21.11.23.13.33.63.73.53.53.53.43.42.61.31.30.0

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

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value2.5952.9242.2661.8972.8482.6592.193.3090.4822.4952.2232.9020.2612.2192.1732.9741.0622.1412.0483.0832.4142.0321.962.6092.0072.2742.583.6141.5321.8322.0072.5231.3261.5081.8571.88
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value2.5952.9242.2661.8972.8472.6592.193.3090.482.4952.2252.8990.2612.222.1732.9711.0622.1412.0483.082.4132.0331.962.6062.0072.2742.583.6121.5321.8322.0072.5231.3261.5081.8571.88
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.099.6100.0100.199.9100.0100.0100.099.9100.0100.0100.099.9100.0100.0100.099.9100.0100.0100.099.9100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-30
Value2.5952.9242.2661.8972.8482.6592.193.3090.4822.4952.2232.9020.2612.2192.1732.9741.0622.1412.0483.0832.4142.0321.962.6092.0072.2742.583.6141.832
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value40-7.0938843171.1821168266-30.204109882720119109223.441128566-26.615223750-6.49748322.029-53.587476216-20.7744433125661-10.69358-44.1373471
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.1-1.621.911.65.00.328.418.613.4-6.624.616.95.24.025.821.44.30.83.018.914.7-6.39.013.919.8-2.517.610.30.6-17.216.319.14.9-6.114.99.83.413.720.1-2.715.1-12.812.021.4

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-23.45-24.721-21.985-18.181-26.215490-28.781-24.712-28.834-26.397-38.828-26.165-22.093-24.011-34.247-22.878-31.115-34.351-40.882-30.471-20.971-1272.431-38.498-26.824-25.177-24.606-21.525-17.387-27.367-20.774-11.374-10.429-14.752-13.507-19.531-16.65-23.315-12.93
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-4.8-5.7-5.4-4.9-7.4114.9-7.0-5.6-5.8-5.8-8.7-5.0-4.1-4.8-7.3-4.5-5.9-7.5-9.8-6.7-4.6-303.0-15.5-10.0-8.7-7.5-6.4-5.1-9.2-6.1-3.0-2.6-4.8-3.4-5.1-4.8-8.1-3.9

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-20.5068.898-46.452-101.144-5.029-368.308-135.732-40.127-9.2959.016-36.002-64.772-15.262-20.687-85.35-127.324261114-27.663-8.226130122-4.4299.84515-41.677-45.4580.113-41.744-1.87596-1.875-1.469-6.3249.5480.1873.113
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-4.22.0-11.4-27.1-1.4-86.2-33.2-9.0-1.92.0-8.0-12.4-2.8-4.1-18.3-24.95.02.53.4-6.1-1.8310.09.1-1.63.44.6-12.5-13.40.0-12.2-0.523.7-0.6-0.4-1.62.80.10.9

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-2.649-25.1223-74.544-14.137116-48.2271926-48.7334-3.796-9.549-24.199
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.5-5.75.7-20.0-4.027.3-11.84.45.4-10.77.7-0.7-1.8-4.8

Amortization Of Financing Costs

us-gaap:AmortizationOfFinancingCosts

us-gaap:AmortizationOfFinancingCosts


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value0.4310.8090.6190.7020.6931.0311.1531.21.21.11.21.21.41.9454.01.92.02.3813.3981.81.61.9590.5650.60.5560.5510.5580.5570.5550.5530.5480.5370.5235.7810.7510.7840.7830.6680.6550.6541.2134.20.5180.517
Percentage of AmortizationOfFinancingCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Income Tax Expense Benefit

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DeferredIncomeTaxExpenseBenefit


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-849000.03542000.08462000.01865000.0-2122000.0-64319000.0-8763000.05656000.03543000.0-595000.0-30068000.06237000.0-2565000.0-91000.0-62478000.0-3209000.0860000.0-1177000.0-8266000.0484000.0-2184000.0-2643000.0-844000.0854000.0-870000.0-2254000.0699000.0343000.0-1172000.0-2393000.0-12809000.0-1206000.0-610000.0-921000.016120000.0-5670000.0-90000.0-412000.0-15046000.01250000.02600000.0735000.0-779000.03315000.0
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value313132313131373431313535353535343433313131301516151516161616161515151616151515161514131311
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DepreciationDepletionAndAmortization us-gaap:StatementBusinessSegments

kra:Chemical


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-30
Value181818181817221917171717171717161716171710.09.60.0
Percentage of DepreciationDepletionAndAmortization59.759.457.858.358.757.258.257.055.055.749.450.049.949.850.049.551.550.753.653.231.531.80.0

kra:Polymer


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-30
Value1212131312131514141318171717171716161414151416
Percentage of DepreciationDepletionAndAmortization40.340.642.241.741.342.841.843.045.044.350.650.050.150.250.050.548.549.346.446.849.248.4100.0

Increase Decrease In Accounts Receivable

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInAccountsReceivable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value32455.596-3.174-34.21832-25.53-44.9751.49363-55.227-17.113643-58.158-3.5312913-0.588-2.4545.01715-4.5443.163-13.93420-24.184-10.5490.9820-17.579-23.60174-32.078-39.705-21.4072.05542-34.9335.6090.23636-16.398-21.622
Percentage of IncreaseDecreaseInAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Inventories

us-gaap:IncreaseDecreaseInInventories

us-gaap:IncreaseDecreaseInInventories


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value2128-8.151-46.1071718-52.083-16.498165.877101237-1.9323.143-36.436-1.2565617-7.99-9.567-26.4782.9320.025-15.126-35.361-12.9136.1578.3391414-26.76215-14.148-0.559-45.90234-41.958-33.458423431-9.20616
Percentage of IncreaseDecreaseInInventories100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value40-7.0938843171.1821168266-30.204109882720119109223.441128566-26.615223750-6.49748322.029-53.587476216-20.7744433125661-10.69358-44.1373471
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.1-1.621.911.65.00.328.418.613.4-6.624.616.95.24.025.821.44.30.83.018.914.7-6.39.013.919.8-2.517.610.30.6-17.216.319.14.9-6.114.99.83.413.720.1-2.715.1-12.812.021.4

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3633-21.926-403.794-7.968208-21.2641841121742-14.932269-4.033256.413-3.74157.40188-3.9618.446-5.564-9.456-17.431611-7.9094.899-5.5983.829-3.748-29.452-15.4991216-21.02243462110283819
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.47.6-5.4-108.1-2.248.7-5.24.28.32.83.98.1-2.84.414.9-0.84.91.4-0.93.41.621.0-1.63.1-2.2-3.6-6.35.23.4-2.51.7-1.71.1-1.1-9.9-4.53.34.0-6.910.712.26.33.68.411.67.3

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value3834-21.008-402.617-7.081209-22.1082043131943-14.1042269-4.851234.189-4.616146.86887-4.8148.019-5.993-9.741-17.7811610-8.1944.724-5.8523.977-3.824-29.452-15.4991216
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.87.9-5.2-107.8-2.048.9-5.44.78.83.04.38.3-2.64.415.0-0.94.50.9-1.13.31.520.8-1.93.0-2.3-3.7-6.45.13.4-2.61.6-1.81.2-1.1-9.9-4.53.34.0

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value1.941.3641.1770.8870.9342.2222.190.9441.7630.9280.826-0.0110.275-0.818-2.136-2.224-0.876-0.717-0.533-0.542-0.853-0.427-0.429-0.285-0.351-0.298-0.275-0.285-0.175-0.2540.148-0.0760.00.00.00.0
Percentage of ProfitLoss5.13.9-0.3-12.50.410.65.06.99.12.1-5.9-0.00.416.9-9.1-53.119.0-4.8-7.8-0.617.7-5.37.22.92.0-1.8-2.53.5-3.74.33.72.0-0.0-0.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.30.30.20.20.50.40.20.40.20.2-0.00.1-0.2-0.4-0.5-0.2-0.2-0.1-0.1-0.3-0.2-0.2-0.1-0.1-0.1-0.1-0.1-0.1-0.10.0-0.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-30
Value3633-403.794-7.9682081841121742-14.932269-4.033256.413-3.74157.40188-3.9618.446-5.564-9.456-17.431611-7.909-5.598
Percentage of ProfitLoss94.996.1100.3112.599.689.495.093.190.997.9105.9100.099.683.1109.1153.181.0104.8107.8100.682.3105.392.897.198.0101.8102.596.595.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.47.6-108.1-2.248.74.28.32.83.98.1-2.84.414.9-0.84.91.4-0.93.41.621.0-1.63.1-2.2-3.6-6.35.23.4-2.5-1.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value3633-403.794-7.9682081841121742-14.932269-4.033256.413-3.74157.40188-3.9618.446-5.564-9.456-17.431611-7.9094.899-5.5983.829-3.748-29.452-15.4991216
Percentage of ProfitLoss94.996.1100.3112.599.689.495.093.190.997.9105.9100.099.683.1109.1153.181.0104.8107.8100.682.3105.392.897.198.0101.8102.596.5103.795.796.398.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.47.6-108.1-2.248.74.28.32.83.98.1-2.84.414.9-0.84.91.4-0.93.41.621.0-1.63.1-2.2-3.6-6.35.23.4-2.51.7-1.71.1-1.1-9.9-4.53.34.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value2.5952.9244.352.2661.8972.8481.3352.6592.193.3090.4822.4952.2232.9020.2612.2192.1732.9741.0622.1412.0483.0832.4142.0321.962.6092.0072.2742.583.6141.5321.8322.0072.5231.3261.5081.8571.881.2631.2471.6551.2940.6361.065
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-23.45-24.721-21.985-18.181-26.215490-28.781-24.712-28.834-26.397-38.828-26.165-22.093-24.011-34.247-22.878-31.115-34.351-40.882-30.471-20.971-1272.431-38.498-26.824-25.177-24.606-21.525-17.387-27.367-20.774-11.374-10.429-14.752-13.507-19.531-16.65-23.315-12.93
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-4.8-5.7-5.4-4.9-7.4114.9-7.0-5.6-5.8-5.8-8.7-5.0-4.1-4.8-7.3-4.5-5.9-7.5-9.8-6.7-4.6-303.0-15.5-10.0-8.7-7.5-6.4-5.1-9.2-6.1-3.0-2.6-4.8-3.4-5.1-4.8-8.1-3.9

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value202219152117272627223423182327202327362321181414131418-5.4363220232320142219138.786
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment us-gaap:StatementBusinessSegments

kra:Chemical


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value9.86.9107.0127.213119.21014119.11314119.813128.78.310
Percentage of PaymentsToAcquirePropertyPlantAndEquipment47.630.853.246.658.641.348.244.533.348.841.748.348.358.253.954.841.747.733.937.639.156.8

kra:Polymer


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value10159.28.18.9101414181120129.89.7129.413142414128.014141314
Percentage of PaymentsToAcquirePropertyPlantAndEquipment52.569.146.653.941.159.051.855.566.551.558.751.652.041.546.045.258.352.466.162.660.843.2100.1100.3100.099.8

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-20.5068.898-46.452-101.144-5.029-368.308-135.732-40.127-9.2959.016-36.002-64.772-15.262-20.687-85.35-127.324261114-27.663-8.226130122-4.4299.84515-41.677-45.4580.113-41.744-1.87596-1.875-1.469-6.3249.5480.1873.113
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-4.22.0-11.4-27.1-1.4-86.2-33.2-9.0-1.92.0-8.0-12.4-2.8-4.1-18.3-24.95.02.53.4-6.1-1.8310.09.1-1.63.44.6-12.5-13.40.0-12.2-0.523.7-0.6-0.4-1.62.80.10.9

Proceeds From Issuance Of Long Term Debt

us-gaap:ProceedsFromIssuanceOfLongTermDebt

us-gaap:ProceedsFromIssuanceOfLongTermDebt


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value22214000.01.0760.01720191.0185012110.0306174155.00.00.017820.05.00.02510.05.0240.00.00.00.0400.00.00.01010.00.00.04000.00.0
Percentage of ProceedsFromIssuanceOfLongTermDebt100.0100.0100.00.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.00.00.0100.00.0100.00.0100.0100.0100.0100.00.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.0

Repayments Of Long Term Debt

us-gaap:RepaymentsOfLongTermDebt

us-gaap:RepaymentsOfLongTermDebt


Repayments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value376.0433971.043613044184.313178506212100412174075.030204300.05.0205.010.05.0240.00.00.040960.0411.8751.8751.8751.8753.753850.5760.576
Percentage of RepaymentsOfLongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.00.00.00.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value0.0694.8620.0990.0040.0660.6780.0945.0025.0412.6840.1380.0420.2615.7480.0010.7860.01.5110.0080.00.0130.9540.008171.25813180.0370.2380.429
Percentage of PaymentsForRepurchaseOfCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber

us-gaap:EmployeeStockOption


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value348000.0387000.0503000.0675520.01173400.01465600.01619100.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:EmployeeStockOption


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value30.4930.3128.1225.5924.9424.47
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0

Deferred Tax Liabilities

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value421161171392045.2037.4728280-84.749-87.491
Percentage of DeferredTaxLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


Deferred
Period End2020-12-312019-12-312018-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value10810790153757072668072
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-03-312011-12-312010-12-312009-12-31
Value9.08.78.88.88.38.4111116302925252524242524241113134.3464.84.74.44.6636.66.96.76.4236.96.25.55.0565.12.813.6891.276
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-03-312011-12-312010-12-31
Value3838393838383841424242515151514444444443434410097949190858990899894979054-54.227-66.444
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

kra:AmortizationofDeferredIncome

kra:AmortizationofDeferredIncome


Amortizationof
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value0.457.653110.6614.3023.4970.00.0
Percentage of AmortizationofDeferredIncome100.0100.0100.0100.0100.0100.00.00.0

kra:AmortizationofDeferredIncome us-gaap:ProductOrService, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations, us-gaap:StatementBusinessSegments

kra:SpecialtyPolymers, kra:Cariflex, kra:Polymer


Amortizationof
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value0.07.6110.33.93.4
Percentage of AmortizationofDeferredIncome0.099.394.945.490.797.2

kra:CARESActReclassificationOfExpectedAMTRefundsFromLongTermToCurrent

kra:CARESActReclassificationOfExpectedAMTRefundsFromLongTermToCurrent


C
Period End2020-09-30
Value1600000.0
Percentage of CARESActReclassificationOfExpectedAMTRefundsFromLongTermToCurrent100.0

kra:ContractWithCustomerLiabilityForeignCurrencyTranslationGainLoss us-gaap:ProductOrService, us-gaap:StatementBusinessSegments

kra:ContractWithCustomerLiabilityForeignCurrencyTranslationGainLoss

kra:SpecialtyPolymers, kra:Polymer


Contract
Period End2021-06-302021-03-31
Value100000.02000000.0
Percentage of ContractWithCustomerLiabilityForeignCurrencyTranslationGainLoss100.0100.0

kra:DilutiveSecuritiesEffectOnDilutedEarningsForShareIncludingReallocatedOptionsAndRestrictiveStockUnits

kra:DilutiveSecuritiesEffectOnDilutedEarningsForShareIncludingReallocatedOptionsAndRestrictiveStockUnits


Dilutive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value2000.043000.0-963000.0-20000.01269000.0131000.0
Percentage of DilutiveSecuritiesEffectOnDilutedEarningsForShareIncludingReallocatedOptionsAndRestrictiveStockUnits100.0100.0100.0100.0100.0100.0

kra:EffectiveIncomeTaxRateReconciliationReturntoProvisionAdjustmentsAmount

kra:EffectiveIncomeTaxRateReconciliationReturntoProvisionAdjustmentsAmount


Effective
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302018-09-302018-06-302017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-30
Value109000.0-458000.04000000.0-1318000.0-2420000.01000.030000.045000.025000.0512000.00-3000.033000.000-521000.0
Percentage of EffectiveIncomeTaxRateReconciliationReturntoProvisionAdjustmentsAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.00.0100.0

kra:EffectiveIncomeTaxRateReconciliationTransferOfAssetsAmount

kra:EffectiveIncomeTaxRateReconciliationTransferOfAssetsAmount


Effective
Period End2020-09-302020-06-302020-03-312019-06-30
Value0-2742000.0-62785000.00
Percentage of EffectiveIncomeTaxRateReconciliationTransferOfAssetsAmount0.0100.0100.00.0

kra:FinanceLeaseCost

kra:FinanceLeaseCost


Finance
Period End2021-06-302021-03-312020-06-302020-03-31
Value354000.0353000.0191000.0192000.0
Percentage of FinanceLeaseCost100.0100.0100.0100.0

kra:IncrementalCommonSharesAttributableReallocatedToUnvestedRestrictedShares

kra:IncrementalCommonSharesAttributableReallocatedToUnvestedRestrictedShares


Incremental
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-21000.042000.0-9000.076000.079000.0196000.0-11000.0224000.0228000.0323000.0-10000.0437000.0449000.0530000.0-16000.0598000.0612000.0602000.0-9000.0653000.0684000.0684000.01000.0558000.0564000.0537000.00492000.0523000.0458000.0-10000.0455000.0455000.0294000.04000.0308000.0311000.0-233000.0-332000.0197000.0175000.0-112000.0
Percentage of IncrementalCommonSharesAttributableReallocatedToUnvestedRestrictedShares100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

kra:IncrementalCommonSharesAttributableToRestrictedShareUnitsNonParticipating

kra:IncrementalCommonSharesAttributableToRestrictedShareUnitsNonParticipating


Incremental
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value476000.0475000.00362000.07000.0282000.0266000.0205000.0-12000.0137000.00280000.0-5000.00181000.0187000.0-3000.0205000.0211000.0216000.00175000.0007000.0123000.0244000.000125000.00-29000.0029000.029000.0-1000.029000.030000.035000.0
Percentage of IncrementalCommonSharesAttributableToRestrictedShareUnitsNonParticipating100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0100.0100.0100.0100.0100.0100.00.0100.00.00.0100.0100.0100.00.00.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0

kra:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetofTaxInvestmentHedge

kra:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetofTaxInvestmentHedge


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-2.63711-11.792-11.434-7.82612-4.35910-3.6084.594
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetofTaxInvestmentHedge100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

kra:OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossTax

kra:OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossTax


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value-783000.0-3366000.0-3334000.01444000.04412000.03192000.0
Percentage of OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossTax100.0100.0100.0100.0100.0100.0

kra:OtherComprehensiveIncomeLossReclassificationAdjustmentfromAOCIonInvestmentHedgeNetofTaxTotal

kra:OtherComprehensiveIncomeLossReclassificationAdjustmentfromAOCIonInvestmentHedgeNetofTaxTotal


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value000899000.000
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentfromAOCIonInvestmentHedgeNetofTaxTotal0.00.00.0100.00.00.0

kra:ReleaseOfValuationAllowance

kra:ReleaseOfValuationAllowance


Release
Period End2020-12-312020-09-302019-12-312019-09-302018-12-312018-09-30
Value-0.8710.00.574.2820.00.0
Percentage of ReleaseOfValuationAllowance100.00.0100.0100.00.00.0

kra:SettlementOfInterestRateSwap

kra:SettlementOfInterestRateSwap


Settlement
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value0001295000.0000003000.0
Percentage of SettlementOfInterestRateSwap0.00.00.0100.00.00.00.00.00.0100.0

kra:SubsidiaryPaymentsToAcquirePropertyPlantAndEquipment

kra:SubsidiaryPaymentsToAcquirePropertyPlantAndEquipment


Subsidiary
Period 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
Value0.1280.2170.4050.5033.1720.0520.646-0.106-0.3580.7831.1540.939
Percentage of SubsidiaryPaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

kra:SubsidiaryProceedsFromIssuanceOfLongtermDebt

kra:SubsidiaryProceedsFromIssuanceOfLongtermDebt


Subsidiary
Period 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
Value15168.391315340.978180.0140.014
Percentage of SubsidiaryProceedsFromIssuanceOfLongtermDebt100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.0

kra:SubsidiaryRepaymentsFromIssuanceOfLongtermDebt

kra:SubsidiaryRepaymentsFromIssuanceOfLongtermDebt


Subsidiary
Period 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
Value2120141618406.553266.806194.86319
Percentage of SubsidiaryRepaymentsFromIssuanceOfLongtermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AmortizationOfDebtDiscountPremium

us-gaap:AmortizationOfDebtDiscountPremium


Amortization
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value000148000.0256000.0272000.0269000.0267000.0264000.0263000.0585000.01090000.01243000.01316000.01517000.02093000.03094000.01635000.01603000.01655000.0-44000.0-44000.0-44000.0-42000.0-43000.0-41000.0-40000.0-40000.0-39000.0-38000.0-38000.0-38000.0-36000.0-72000.0000
Percentage of AmortizationOfDebtDiscountPremium0.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits

us-gaap:AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits


Amount
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-2000.0-44000.010000.0963000.020000.0-1283000.0189000.0-132000.0-294000.0-128000.0-239000.0-580000.0210000.0-368000.02373000.077000.0-501000.0-124000.04729000.0-329000.0-164000.0-1962000.0-303000.0-152000.0100000.0161000.0-262000.0249000.0178000.0-111000.061000.0-78000.054000.0-34000.027000.0-148000.0120000.0-119000.0-1054000.0265000.0257000.0-77000.0
Percentage of AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetRetirementObligationAccretionExpense

us-gaap:AssetRetirementObligationAccretionExpense


Asset
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value103000.0106000.091000.090000.089000.078000.081000.085000.086000.091000.077000.085000.083000.085000.082000.085000.083000.073000.072000.083000.0108000.0112000.0106000.0107000.0108000.0104000.0130000.0132000.0135000.0136000.0128000.0126000.0131000.0120000.0
Percentage of AssetRetirementObligationAccretionExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetRetirementObligationForeignCurrencyTranslationGainLoss

us-gaap:AssetRetirementObligationForeignCurrencyTranslationGainLoss


Asset
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value58000.0-232000.0-752000.0245000.0103000.0-102000.0322000.0-218000.067000.0-82000.0434000.0-45000.0-277000.0136000.0-1054000.0152000.0271000.061000.0-5000.0225000.0-277000.0190000.0718000.0-612000.0
Percentage of AssetRetirementObligationForeignCurrencyTranslationGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetRetirementObligationLiabilitiesIncurred

us-gaap:AssetRetirementObligationLiabilitiesIncurred


Asset
Period End2021-06-302021-03-312020-09-302019-09-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0316000.00780000.000000001908000.00000
Percentage of AssetRetirementObligationLiabilitiesIncurred0.0100.00.0100.00.00.00.00.00.00.00.0100.00.00.00.00.0

us-gaap:AssetRetirementObligationLiabilitiesSettled

us-gaap:AssetRetirementObligationLiabilitiesSettled


Asset
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value325000.0382000.0820000.08000.034000.0302000.0000206000.025000.026000.017000.023000.01031000.02188000.0700000.0177000.01731000.02035000.0724000.01021000.0304000.023000.02000.0022000.027000.01000.045000.0
Percentage of AssetRetirementObligationLiabilitiesSettled100.0100.0100.0100.0100.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0

us-gaap:CapitalExpendituresIncurredButNotYetPaid

us-gaap:CapitalExpendituresIncurredButNotYetPaid


Capital
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-3.8876.575-3.2690.124102.11-3.8410.641-6.2747.1972.2091.8190.45132.452-0.266-6.262231.1833.85111150.8613-0.4653.41-0.6822.915-12.026151.5871.8721.8033.4955.747-0.1272.6430.199
Percentage of CapitalExpendituresIncurredButNotYetPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:ConcentrationRiskPercentage1

kra:FinanceLeaseLiability, kra:FinanceLeaseConcentrationRisk, us-gaap:Building


Concentration
Period End2021-03-31
Value77.3
Percentage of ConcentrationRiskPercentage1100.0

kra:FinanceLeaseLiability, kra:FinanceLeaseConcentrationRisk, us-gaap:Equipment


Concentration
Period End2021-03-31
Value22.7
Percentage of ConcentrationRiskPercentage129.4

kra:OperatingLeaseLiability, kra:OperatingLeaseConcentrationRisk, kra:Railcars


Concentration
Period End2021-03-312020-03-312019-03-31
Value33.00.320.367
Percentage of ConcentrationRiskPercentage142.70.00.0

kra:OperatingLeaseLiability, kra:OperatingLeaseConcentrationRisk, us-gaap:Building


Concentration
Period End2021-03-312020-03-312019-03-31
Value43.00.4040.345
Percentage of ConcentrationRiskPercentage155.60.00.0

kra:OperatingLeaseLiability, kra:OperatingLeaseConcentrationRisk, us-gaap:Equipment


Concentration
Period End2021-03-312020-03-312019-03-31
Value8.70.1310.174
Percentage of ConcentrationRiskPercentage111.30.00.0

kra:OperatingLeaseLiability, kra:OperatingLeaseConcentrationRisk, us-gaap:Land


Concentration
Period End2021-03-312020-03-312019-03-31
Value8.30.0780.097
Percentage of ConcentrationRiskPercentage110.70.00.0

kra:OperatingLeaseLiability, kra:OperatingLeaseConcentrationRisk, us-gaap:OtherAssets


Concentration
Period End2021-03-312020-03-312019-03-31
Value7.00.0680.017
Percentage of ConcentrationRiskPercentage19.10.00.0

us-gaap:ContractWithCustomerLiabilityRevenueRecognized

us-gaap:ContractWithCustomerLiabilityRevenueRecognized


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.01.7-0.10000000000000046-0.20.24.10.0-0.40.35.82.80.00.73.8
Percentage of ContractWithCustomerLiabilityRevenueRecognized0.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.00.0100.0100.0

us-gaap:ContractWithCustomerLiabilityRevenueRecognized us-gaap:ProductOrService, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations, us-gaap:StatementBusinessSegments

kra:SpecialtyPolymers, kra:Cariflex, kra:Polymer


Contract
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value0.0154-0.30.6172
Percentage of ContractWithCustomerLiabilityRevenueRecognized0.09111.8150.0300.04214.6

us-gaap:ContractWithCustomerLiabilityRevenueRecognized us-gaap:ProductOrService, us-gaap:StatementBusinessSegments

kra:SpecialtyPolymers, kra:Polymer


Contract
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-0.510-0.4-0.6120.30.30.30.30.30.30.40.6
Percentage of ContractWithCustomerLiabilityRevenueRecognized0.0623.5200.0-300.0302.40.0-75.0100.05.210.70.057.115.8

us-gaap:CurrentIncomeTaxExpenseBenefit

us-gaap:CurrentIncomeTaxExpenseBenefit


Current
Period End2020-09-30
Value-15.0
Percentage of CurrentIncomeTaxExpenseBenefit100.0

us-gaap:DebtInstrumentInterestRateDuringPeriod us-gaap:DebtInstrument

us-gaap:DebtInstrumentInterestRateDuringPeriod

kra:KratonFormosaPolymersCorporationLoanAgreement


Debt
Period End2021-06-302021-03-31
Value01.8
Percentage of DebtInstrumentInterestRateDuringPeriod0.0100.0

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

us-gaap:DebtInstrumentRedemptionPricePercentage

kra:SevenPointZeroPercentSeniorNotesdueApril152025, us-gaap:SeniorNotes, us-gaap:ScenarioForecast


Debt
Period End2022-04-152021-04-152020-04-152020-04-14
Value1.01.02631.05251.0
Percentage of DebtInstrumentRedemptionPricePercentage100.0100.0100.0100.0

kra:TenPointFivePercentSeniorNotesdue2023, us-gaap:SeniorNotes, us-gaap:ScenarioForecast


Debt
Period End2021-10-152020-10-152019-10-152018-10-152018-10-14
Value1.01.02631.05251.07881.105
Percentage of DebtInstrumentRedemptionPricePercentage0.00.00.00.00.0

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses

country:US, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value-242000.0-243000.0-213000.0-212000.0-213000.0-115000.0-175000.0-175000.0-179000.000-150000.0
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0

country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-605000.0-605000.0-411000.0-408000.0-427000.0-388000.0-734000.0-918000.0-990000.0-845000.0-1166000.0-1032000.0-2452000.00-3622000.0000
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses250.0249.00.0191.5201.4182.20.0798.3565.7482.90.0576.50.00.00.0-0.00.00.0

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-262000.0-262000.0-292000.0-253000.0-252000.0-253000.0-109000.0-100000.0-104000.0-106000.0-156000.0-158000.0-163000.0-168000.0-165000.0000
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses108.3107.80.0118.8118.9118.80.087.059.460.60.088.30.00.00.0-0.00.00.0

us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit

country:US, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value-437000.0-438000.0-438000.0-437000.0-438000.0-438000.0-438000.0-437000.0-146000.0194000.0188000.00150000.0150000.0
Percentage of DefinedBenefitPlanAmortizationOfPriorServiceCostCredit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value4000.05000.04000.04000.05000.04000.09000.08000.08000.09000.03000.03000.04000.03000.0-149000.055000.049000.056000.0-8000.05000.06000.0
Percentage of DefinedBenefitPlanAmortizationOfPriorServiceCostCredit-0.9-1.10.0-0.9-1.1-0.90.0-1.8-1.8-2.10.0-2.12.11.60.00.032.737.30.00.00.0

us-gaap:DefinedBenefitPlanContributionsByEmployer us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanContributionsByEmployer

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.40.4-0.0790.10.20.70.9550.10.90.1
Percentage of DefinedBenefitPlanContributionsByEmployer100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value2.86.91.51.13.33.13.23.3
Percentage of DefinedBenefitPlanContributionsByEmployer700.01725.01500.0550.0471.43100.0355.63300.0

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets

country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value2.4852.4852.1982.3032.2772.3282.522.5152.5132.5172.452.4532.4532.4522.3492.3512.3482.353
Percentage of DefinedBenefitPlanExpectedReturnOnPlanAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value0.8510.8510.6740.6750.70.6820.6950.5810.6110.6330.6460.6550.6840.70.2040.8110.7330.8270.990.6980.975
Percentage of DefinedBenefitPlanExpectedReturnOnPlanAssets34.234.230.729.330.729.327.623.124.325.126.426.727.928.58.734.531.235.10.00.00.0

us-gaap:DefinedBenefitPlanInterestCost us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanInterestCost

country:US, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value162000.0163000.0195000.0195000.0195000.0225000.0240000.0240000.0306000.0344000.0335000.0348000.0340000.0340000.0
Percentage of DefinedBenefitPlanInterestCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1398000.01397000.01656000.01665000.01652000.01648000.01856000.02041000.01946000.01938000.01800000.01810000.01795000.01795000.01836000.01832000.01848000.01814000.0
Percentage of DefinedBenefitPlanInterestCost863.0857.10.0853.8847.2845.10.0907.1810.8807.50.0591.5521.8535.80.0526.4543.5533.5

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value311000.0311000.0397000.0419000.0420000.0420000.0555000.0508000.0516000.0533000.0499000.0506000.0527000.0541000.0102000.0718000.0654000.0721000.0857000.0632000.0839000.0
Percentage of DefinedBenefitPlanInterestCost192.0190.80.0214.9215.4215.40.0225.8215.0222.10.0165.4153.2161.50.0206.3192.4212.10.00.00.0

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost

country:US, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value52000.053000.055000.055000.055000.0-60000.067000.068000.0462000.0662000.0678000.0628000.0635000.0635000.0
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-482000.0-483000.0-87000.0-182000.0-168000.0-227000.0776000.01099000.0980000.01019000.01318000.01015000.01465000.01465000.01186000.01185000.01173000.01198000.0
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost-926.9-911.30.0-330.9-305.5-412.70.0-1831.71462.71498.50.0219.7221.3216.10.0188.7184.7188.7

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value239000.0239000.0696000.0444000.0419000.0437000.0730000.052000.0406000.0404000.0616000.0629000.0642000.0663000.0710000.0657000.0627000.0596000.0477000.0505000.0425000.0
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost459.6450.90.0807.3761.8794.50.0-86.7606.0594.10.0136.197.097.80.0104.698.793.90.00.00.0

us-gaap:DefinedBenefitPlanServiceCost us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanServiceCost

country:US, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value85000.085000.085000.085000.085000.038000.090000.090000.0123000.0124000.0155000.0130000.0145000.0145000.0
Percentage of DefinedBenefitPlanServiceCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value44000.048000.030000.065000.0706000.0655000.0557000.0753000.0802000.0626000.0906000.0887000.0792000.0799000.0770000.0830000.0
Percentage of DefinedBenefitPlanServiceCost0.056.535.376.50.01723.7618.9836.70.0508.9730.6572.30.0614.6531.0572.4

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value513000.0512000.0534000.0443000.0442000.0442000.0368000.0345000.0389000.0389000.0604000.0617000.0632000.0651000.0751000.0695000.0657000.0646000.0597000.0566000.0555000.0
Percentage of DefinedBenefitPlanServiceCost603.5602.40.0521.2520.0520.00.0907.9432.2432.20.0501.6509.7420.00.0534.6453.1445.50.00.00.0

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Effect
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1115000.0-2204000.02539000.01423000.0-706000.0-7318000.0112000.01437000.0-1340000.0-1145000.0-777000.0-1354000.0-136000.0347000.0
Percentage of EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:ExtinguishmentOfDebtAmount

us-gaap:SecuredDebt, kra:EuroSeniorSecuredTermLoan, us-gaap:MediumTermNotes


Extinguishment
Period End2020-11-302020-09-302020-03-06
Value157075
Percentage of ExtinguishmentOfDebtAmount100.0100.0100.0

us-gaap:FinanceLeaseInterestExpense

us-gaap:FinanceLeaseInterestExpense


Finance
Period End2021-06-302021-03-312020-06-302020-03-31
Value42000.042000.013000.014000.0
Percentage of FinanceLeaseInterestExpense100.0100.0100.0100.0

us-gaap:FinanceLeasePrincipalPayments

us-gaap:FinanceLeasePrincipalPayments


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value38000.0578000.045000.046000.044000.044000.043000.043000.0
Percentage of FinanceLeasePrincipalPayments100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseRightOfUseAssetAmortization

us-gaap:FinanceLeaseRightOfUseAssetAmortization


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0.3120.3116.0256.0350.1786.1645.9295.8496.5484.7670.00.00.0
Percentage of FinanceLeaseRightOfUseAssetAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:GainLossOnDispositionOfAssets

us-gaap:GainLossOnDispositionOfAssets


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-42000.0-304000.0-784000.0142000.0-172000.064000.0-790000.017000.000-1806000.0-3000.0-333000.0-27000.0-453000.0-74000.0-16000.029000.0-213000.0-339000.0-31000.0-82000.0-297000.052000.025000.0-17000.0-347000.017000.0-1000.017000.015000.0-78000.0131000.0-16000.000-57000.0-358000.0-62000.0-23000.00-5000.057000.00
Percentage of GainLossOnDispositionOfAssets100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.00.0100.0100.00.0

us-gaap:GainLossOnDispositionOfAssets1

us-gaap:GainLossOnDispositionOfAssets1


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312016-03-312015-03-31
Value-0.042-0.304-0.7840.527-0.5570.064-0.790.0170.00.0-1.806-0.003-0.333-0.027450.0
Percentage of GainLossOnDispositionOfAssets1100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.00.0

us-gaap:GainLossOnDispositionOfAssets1 us-gaap:StatementBusinessSegments

kra:Chemical


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-0.143-0.089-0.7891.225-0.548-0.135-0.1260.00.00.0-1.6790.0-0.163-0.125
Percentage of GainLossOnDispositionOfAssets1340.529.3100.6232.498.4-210.915.90.00.00.093.0-0.048.9463.0

kra:Polymer


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.101-0.2150.005-0.698-0.0090.199-0.6640.0170.00.0-0.127-0.003-0.170.098
Percentage of GainLossOnDispositionOfAssets1-240.570.7-0.6-132.41.6310.984.1100.00.00.07.0100.051.1-363.0

us-gaap:GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments us-gaap:DerivativeInstrumentRisk

us-gaap:GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments

kra:ForeignCurrencyHedges


Gain
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value-600000.0-1600000.0-100000.0500000.0200000.0-1200000.0300000.0
Percentage of GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnSaleOfBusiness

us-gaap:GainLossOnSaleOfBusiness


Gain
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value0.00.0-0.0251750.00.0
Percentage of GainLossOnSaleOfBusiness0.00.0100.0100.00.00.0

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

us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations, kra:Cariflex


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value0.01750.00.00.0175
Percentage of GainLossOnSaleOfBusiness0.00.00.00.0-0.0100.0

us-gaap:GoodwillForeignCurrencyTranslationGainLoss us-gaap:StatementBusinessSegments

us-gaap:GoodwillForeignCurrencyTranslationGainLoss

kra:Chemical


Goodwill
Period End2021-06-302021-03-31
Value261000.0-1233000.0
Percentage of GoodwillForeignCurrencyTranslationGainLoss100.0100.0

us-gaap:GoodwillImpairmentLoss

us-gaap:GoodwillImpairmentLoss


Goodwill
Period End2020-12-312020-09-30
Value0.0400
Percentage of GoodwillImpairmentLoss0.0100.0

us-gaap:GoodwillImpairmentLoss us-gaap:StatementBusinessSegments

kra:Chemical


Goodwill
Period End2020-12-312020-09-30
Value0.0400
Percentage of GoodwillImpairmentLoss0.0100.0

us-gaap:IncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromEquityMethodInvestments


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value135000.0120000.0147000.081000.0128000.0101000.0143000.0102000.0140000.0121000.0114000.0100000.0120000.0137000.0116000.0125000.0118000.0127000.0120000.094000.0102000.078000.0133000.095000.0102000.076000.083000.080000.0127000.0117000.0158000.0117000.0121000.0134000.097000.0133000.0163000.0137000.0673000.0595000.0-880000.0141000.0170000.081000.0162000.0
Percentage of IncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions

us-gaap:IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value136000.0-347000.0147000.082000.0127000.0-406000.0142000.0103000.0227000.0-410000.0114000.0100000.0120000.0-408000.0116000.0126000.0116000.0-309000.0121000.093000.0140000.0-369000.0133000.095000.0102000.0-287000.083000.080000.0127000.0-370000.0159000.0116000.0-455000.0288000.097000.0133000.0163000.0-263000.0674000.0595000.0-881000.0-374000.0170000.081000.0
Percentage of IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance

us-gaap:IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance


Income
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-0.142-0.8920.139-0.285-0.136-0.162-0.278-6.65-0.3290.6452.033-0.013-0.3920.0750.3840.176-0.848-86.7323.0652.6962.7872.605
Percentage of IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeTaxReconciliationDispositionOfBusiness

us-gaap:IncomeTaxReconciliationDispositionOfBusiness


Income
Period End2020-09-302020-06-302020-03-312019-06-30
Value-18912000.09923000.0-13663000.00
Percentage of IncomeTaxReconciliationDispositionOfBusiness100.0100.0100.00.0

us-gaap:IncomeTaxReconciliationForeignIncomeTaxRateDifferential

us-gaap:IncomeTaxReconciliationForeignIncomeTaxRateDifferential


Income
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0.4550.190.24-0.2937.592-2.59-3.366-1.879-5.228-1.361-13.6573.403-3.876-1.791.239-2.436-2.352-1.2292.281-3.628-0.6170.328
Percentage of IncomeTaxReconciliationForeignIncomeTaxRateDifferential100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate

us-gaap:IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate


Income
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value109.104-88.37-0.088364.8777.6762.96510-3.3493.182-2.4559.5481.892-4.7415.9642.7640.453-0.7023.883-1.75-3.386
Percentage of IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeTaxReconciliationNondeductibleExpenseImpairmentLosses

us-gaap:IncomeTaxReconciliationNondeductibleExpenseImpairmentLosses


Income
Period End2020-09-30
Value84
Percentage of IncomeTaxReconciliationNondeductibleExpenseImpairmentLosses100.0

us-gaap:IncomeTaxReconciliationStateAndLocalIncomeTaxes

us-gaap:IncomeTaxReconciliationStateAndLocalIncomeTaxes


Income
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value737000.0646000.0-266000.0-348000.084000.0440000.0474000.0-644000.0884000.0-207000.0-256000.0-25000.0-231000.0139000.076000.01114000.0-635000.041000.0-315000.000-63000.0
Percentage of IncomeTaxReconciliationStateAndLocalIncomeTaxes100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0

us-gaap:IncomeTaxReconciliationTaxContingencies

us-gaap:IncomeTaxReconciliationTaxContingencies


Income
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value225000.0136000.0209000.0-225000.0-2682000.0-3936000.0-14044000.04536000.0543000.0526000.039000.0-1821000.0580000.0575000.0-2737000.0292000.0341000.0295000.0-364000.0178000.0161000.0152000.0
Percentage of IncomeTaxReconciliationTaxContingencies100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeTaxReconciliationTaxCredits

us-gaap:IncomeTaxReconciliationTaxCredits


Income
Period End2021-06-302021-03-312020-09-302020-06-302019-06-30
Value0800000.0157000.0643000.00
Percentage of IncomeTaxReconciliationTaxCredits0.0100.0100.0100.00.0

us-gaap:IncomeTaxReconciliationTaxExemptIncome

us-gaap:IncomeTaxReconciliationTaxExemptIncome


Income
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-738000.0-835000.0-928000.0-2678000.0-1240000.0-3681000.0-2662000.09490000.0-1581000.0-1879000.06098000.01464000.02056000.0-330000.0624000.02934000.0-1744000.0-925000.01635000.0-510000.0-487000.0-543000.0
Percentage of IncomeTaxReconciliationTaxExemptIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsPayableTrade

us-gaap:IncreaseDecreaseInAccountsPayableTrade


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value337.08637-22.308-19.7885.02312-29.67814-1.13414-14.30621-1.6846.0081.925-19.9220162.1595.132-10.272-4.9220.64113-16.958-5.3614.603-10.248-24.36223-6.245-14.762120.771-16.85411136.359-9.18310-4.677
Percentage of IncreaseDecreaseInAccountsPayableTrade100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInContractWithCustomerLiability us-gaap:ProductOrService, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations, us-gaap:StatementBusinessSegments

us-gaap:IncreaseDecreaseInContractWithCustomerLiability

kra:SpecialtyPolymers, kra:Cariflex, kra:Polymer


Increase
Period End2020-12-31
Value0.0
Percentage of IncreaseDecreaseInContractWithCustomerLiability0.0

us-gaap:IncreaseDecreaseInDueToRelatedPartiesCurrent

us-gaap:IncreaseDecreaseInDueToRelatedPartiesCurrent


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-0.2080.351-0.057-0.144-3.5072.619-0.010.334-0.46-3.5081.5372.52-5.2152.4033.115-3.517-1.3045.4271.865-0.947-1.9171.154-1.6391.132-0.881-2.5574.28-4.001-5.860.9832.9913.1170.3947.794-3.546-9.6532.88313-0.11-4.095-0.038-1.868-0.5421.57
Percentage of IncreaseDecreaseInDueToRelatedPartiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-7.833-6.872.218-27.396.206240.697-7.245-4.073-9.3970.3646.49-6.312-19.235-13.3883010-14.122-23.054179.865-27.952194.054.589-7.0915.885-2.9943.696-6.61713-3.4546.887-15.7672.287-7.7641.398-2.402-3.608-2.626.395-12.192
Percentage of IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherNoncurrentLiabilities

us-gaap:IncreaseDecreaseInOtherNoncurrentLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-4.934-4.6550.667-0.7431.382-4.206-1.084-5.573-4.567-2.17716-2.0551.429-1.9583.631-7.9452.669-0.1571.254.306-5.8516.176-1.6992.0261.198-1.6881.088-5.345-0.1740.5820.080.1160.9922.1960.02-2.1760.3710.251-0.039-3.607-9.1938.719
Percentage of IncreaseDecreaseInOtherNoncurrentLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:IncreaseDecreaseInOtherOperatingAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value3.9382.1540.286-5.1357.174-2.808-6.691-0.501-2.933-0.861-4.239-2.4575.205-10.813-19.112-1.5126.0991.5845.1370.779-8.128103.444-5.2577.456-0.1771.831-0.2215.4-0.5735.593-7.592.406-0.5880.974-0.127-2.4943.342-9.1784.942-16.2311220-25.606
Percentage of IncreaseDecreaseInOtherOperatingAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements


Incremental
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value57000.055000.000-18000.055000.059000.063000.0-44000.0238000.00330000.033000.00300000.0234000.024000.0357000.0217000.047000.00171000.000-28000.0162000.0264540.000180000.00-246000.00213000.0311000.0-79000.0306000.0552000.0553000.0
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements100.0100.00.00.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0100.0100.0100.0100.0100.0100.00.0100.00.00.0100.0100.0100.00.00.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestCostsIncurredCapitalized

us-gaap:InterestCostsIncurredCapitalized


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value785000.0706000.0873000.01399000.0423000.0404000.0513000.01072000.0835000.01205000.01149000.01156000.0865000.0712000.0708000.01021000.01098000.01215000.01803000.01499000.01726000.0797000.0843000.0935000.01391000.01016000.0984000.0862000.0716000.0636000.01229000.01011000.0979000.0961000.0771000.0746000.0648000.0483000.0
Percentage of InterestCostsIncurredCapitalized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LeaseCost

us-gaap:LeaseCost


Lease
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value6.1136.2856.3026.7946.236.2526.176.0366.6634.767
Percentage of LeaseCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetIncomeLossAttributableToParentDiluted

us-gaap:NetIncomeLossAttributableToParentDiluted


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value3633-402.831-7.94820618401241-14.7221-3.956256.29157.239868.296-5.464-9.2951610-7.7984.838-5.523.776-3.714-29.192-15.3511216-20.944424621
Percentage of NetIncomeLossAttributableToParentDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OciBeforeReclassificationsNetOfTaxAttributableToParent

us-gaap:OciBeforeReclassificationsNetOfTaxAttributableToParent


Oci
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-03-31
Value7.693-8.7750.847-1.4923.06-1.848-8.6971.75-3.042-1.2180.9378.548-11.267.1-3.353182812-44.3353.946-5.29623-33.084
Percentage of OciBeforeReclassificationsNetOfTaxAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OciBeforeReclassificationsNetOfTaxAttributableToParent us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Oci
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value-9.656-1.7140.00.0-7.2340.1630.00.00.3489.9690.00.0-9.040.00.00.00.00.00.0
Percentage of OciBeforeReclassificationsNetOfTaxAttributableToParent-1140.0114.90.0-0.083.29.3-0.0-0.037.1116.6-0.00.0269.60.00.00.00.0-0.00.0

us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges


Oci
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value0.00.01.387-0.511-2.031-1.316-3.1330.3460.6743.4813.428-0.239-0.7490.843-0.048-3.046-2.26
Percentage of OciBeforeReclassificationsNetOfTaxAttributableToParent-0.00.0-75.1-29.266.8108.0-334.44.0-6.049.0-102.2-1.3-2.66.5-1.257.5-9.7

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Oci
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value-2.63711-11.434-14.9771210-3.6084.5943.7131.7252.6410.00.00.00.00.00.00.00.0
Percentage of OciBeforeReclassificationsNetOfTaxAttributableToParent-34.3-129.2766.4-489.4-666.8619.7118.6-377.2396.320.2-23.50.0-0.00.00.00.00.0-0.00.0

us-gaap:AccumulatedTranslationAdjustment


Oci
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value10-20.112221118-15.5575.349-8.7462.597-4.4960.009-3.492-14.5753.6192.3861829123.994-2.2525
Percentage of OciBeforeReclassificationsNetOfTaxAttributableToParent134.3229.22632.2-781.2589.4841.8-61.5-499.8-85.4369.11.0-40.9129.451.0-71.2101.3102.693.5101.242.5109.7

us-gaap:OperatingLeaseCost

us-gaap:OperatingLeaseCost


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value6.0536.0296.0256.0356.2646.1645.9295.8496.7394.576
Percentage of OperatingLeaseCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent


Other
Period End2020-12-312020-09-302019-12-312019-09-30
Value8.9291.71410-0.163
Percentage of OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent


Other
Period End2020-12-312020-09-302019-12-312019-09-30
Value-4273000.0571000.02117000.00
Percentage of OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent100.0100.0100.00.0

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value10-20.112221110-15.5575.349-8.7462.597-4.496
Percentage of OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value0001387000.0-2453000.0-511000.0-2031000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax0.00.00.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value-916000.000458000.0-30000.0-151000.0-598000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax100.00.00.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-06-30
Value000-1002000.00
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax0.00.00.0100.00.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax us-gaap:DerivativeInstrumentRisk

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax

us-gaap:InterestRateSwap


Other
Period End2020-09-302020-06-302020-03-31
Value0-2600000.01300000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax0.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax


Other
Period End2020-12-312020-09-302020-06-302020-03-31
Value000-293000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax0.00.00.0100.0

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value000-66533000.000
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax0.00.00.0100.00.00.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value7.693-8.7751.574-1.4923.0664-11.5861.75-3.042-1.2184.7928.551-11.264.513-1.19192812-41.9193.946-5.29623-0.563-14.9729.269-33.084-52.315-28.5871.1371.799169.246-3.975-8.659-11.3725.856-21.58510
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value-8.929-1.7140.00.0-10.1230.1630.00.03.6159.9690.00.0-6.8770.00.00.00.00.00.0
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent-567.3114.90.00.087.49.3-0.0-0.075.4116.6-0.00.0577.90.00.00.00.0-0.00.0

us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges


Other
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value0.00.02.389-0.511-2.031-1.316-2.5450.3490.6740.8943.3010.681-0.7490.802-0.048-3.046-2.26
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent-0.00.03.7-29.266.8108.0-53.14.1-6.019.8-277.43.5-2.66.2-1.257.5-9.7

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value-2.63711-11.434-14.9771110-3.6084.5943.7131.7252.6410.00.00.00.00.00.00.00.0
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent-34.3-129.2766.4-489.417.6619.7118.6-377.277.520.2-23.50.0-0.00.00.00.00.0-0.00.0

us-gaap:AccumulatedTranslationAdjustment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value10-20.112221118505.349-8.7462.597-4.4960.009-3.492-14.5753.6192.3861829123.994-2.2525
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent134.3229.21416.5-781.2589.478.7-46.2-499.8-85.4369.10.2-40.8129.480.2-200.596.5102.693.8101.242.5109.7

us-gaap:OtherOperatingIncomeExpenseNet

us-gaap:OtherOperatingIncomeExpenseNet


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value-2.4930.8080.1580.2590.2510.327-0.224.235-0.417-0.259-0.512-0.74-3.360.00.00.00.00.00.0
Percentage of OtherOperatingIncomeExpenseNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.0

us-gaap:PaymentsOfDebtIssuanceCosts

us-gaap:PaymentsOfDebtIssuanceCosts


Payments
Period End2020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value7.520.3410.00.00.00.00.00.7687.2353.110.4013.9580.6539.3180.00.00.53571.9570.00.00.00.00.00.01.6773.1170.00.4280.02.7280.00.00.283140.00.0
Percentage of PaymentsOfDebtIssuanceCosts100.0100.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.00.00.00.00.00.00.0100.0100.00.0100.00.0100.00.00.0100.0100.00.00.0

us-gaap:PaymentsToAcquireIntangibleAssets

us-gaap:PaymentsToAcquireIntangibleAssets


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value1859000.02079000.01825000.02662000.01367000.02089000.0745000.02453000.01534000.03287000.03599000.01402000.02791000.0437000.01306000.01489000.01956000.01514000.01171000.03199000.01140000.0352000.0809000.0623000.0599000.0541000.0986000.0935000.0727000.01062000.02019000.01161000.01238000.0707000.02814000.0
Percentage of PaymentsToAcquireIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromDivestitureOfBusinesses

us-gaap:ProceedsFromDivestitureOfBusinesses


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value0.00.00.05100.00.0
Percentage of ProceedsFromDivestitureOfBusinesses0.00.00.0100.00.00.0

us-gaap:ProceedsFromStockOptionsExercised

us-gaap:ProceedsFromStockOptionsExercised


Proceeds
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value0.04.0920.00.00.7820.0030.0941.5450.01.5010.2641.3687.9981.3530.551.0511.8312.3440.1120.1690.0040.0090.8320.1810.0190.3930.5010.5350.431
Percentage of ProceedsFromStockOptionsExercised0.0100.00.00.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent

us-gaap:ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent


Reclassification
Period End2020-12-312020-09-302020-06-302020-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-03-31
Value-727000.000-66636000.0-3855000.0-3000.002587000.0-2163000.0-920000.0041000.0-2416000.00000
Percentage of ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent100.00.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.00.00.00.00.0

us-gaap:ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent us-gaap:StatementEquityComponents

us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges


Reclassification
Period End2020-09-302020-06-302020-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value00-1002000.0-588000.0-3000.002587000.0127000.0-920000.0041000.0000
Percentage of ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent0.00.01.515.3100.00.0100.0-5.9100.00.0100.00.00.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Reclassification
Period End2020-09-302020-06-302020-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value00899000.000000000000
Percentage of ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent0.00.0-1.3-0.0-0.00.00.0-0.0-0.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Reclassification
Period End2020-12-312020-09-302020-06-302020-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value000-66533000.000000000000
Percentage of ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent-0.00.00.099.8-0.0-0.00.00.0-0.0-0.00.00.00.00.00.0

us-gaap:RelatedPartyTransactionAmountsOfTransaction us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:RelatedPartyTransactionAmountsOfTransaction

kra:StyrenicBlockCopolymerJointVenture


Related
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-09-302014-06-30
Value7.48.07.56.15.69.19.67.08.28.27.8117.29.1108.47.8128.18.36.27.78.07.68.36.59.46.8
Percentage of RelatedPartyTransactionAmountsOfTransaction100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RelatedPartyTransactionPurchasesFromRelatedParty us-gaap:ConsolidatedEntities, us-gaap:CounterpartyName

us-gaap:RelatedPartyTransactionPurchasesFromRelatedParty

us-gaap:VariableInterestEntityPrimaryBeneficiary, kra:KratonFormosaPolymersCorporation


Related
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value1211111011147.31513
Percentage of RelatedPartyTransactionPurchasesFromRelatedParty100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability


Right
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value9.2333.6944.3866.7566.872.65815700.00.00.0
Percentage of RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised


Stock
Period End2021-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value4.0920.0030.0941.5450.01.5010.2641.3687.9981.3530.551.0511.8312.3440.1120.1690.0040.0090.8320.1810.0190.3930.5010.5350.4310.00.00.310.1130.560.00.26
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.00.0100.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value4.0910.0030.0941.5440.01.50.2641.3677.9941.3520.551.0511.832.3430.1120.1690.0040.0080.8320.1810.0190.3930.5010.5340.4310.00.00.3080.1130.5590.00.259
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.0100.0100.099.90.099.9100.099.999.999.9100.0100.099.9100.0100.0100.0100.088.9100.0100.0100.0100.0100.099.8100.00.00.099.4100.099.80.099.6

us-gaap:CommonStock


Stock
Period End2021-03-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value0.0010.00.0010.00.0010.00.0010.0040.0010.0010.00.00.00.0010.00.00.00.00.00.0010.00.00.00.0020.00.0010.00.001
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised0.00.00.10.00.10.00.10.10.10.00.00.00.011.10.00.00.00.00.00.20.00.00.00.60.00.20.00.4

us-gaap:Parent


Stock
Period End2021-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-30
Value4.0920.0030.0941.5450.01.5010.2641.3687.9981.3530.551.0511.8312.3440.1120.1690.0040.0090.8320.1810.0190.3930.5010.5350.0
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:TranslationAdjustmentForNetInvestmentHedgeIncreaseDecreaseGrossOfTax us-gaap:StatementGeographical

us-gaap:TranslationAdjustmentForNetInvestmentHedgeIncreaseDecreaseGrossOfTax

srt:Europe


Translation
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value-3.414-14.8-6.36.514-4.7
Percentage of TranslationAdjustmentForNetInvestmentHedgeIncreaseDecreaseGrossOfTax100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockRetiredCostMethodAmount

us-gaap:TreasuryStockRetiredCostMethodAmount


Treasury
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value69000.04862000.04000.066000.0678000.02000.041000.02684000.0138000.042000.0261000.05748000.01000.0786000.001511000.08000.0013000.0954000.08000.0022000.0548000.0037000.0238000.0429000.0
Percentage of TreasuryStockRetiredCostMethodAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0100.0100.0100.00.0100.0100.00.0100.0100.0100.0

us-gaap:TreasuryStockRetiredCostMethodAmount us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Treasury
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value50000.03816000.010000.0160000.01927000.02000.040000.01274000.0104000.019000.0123000.03020000.00787000.001510000.08000.0013000.0953000.08000.0022000.0548000.0037000.0238000.0429000.0
Percentage of TreasuryStockRetiredCostMethodAmount72.578.5250.0242.4284.2100.097.647.575.445.247.152.50.0100.10.099.9100.00.0100.099.9100.00.0100.0100.00.0100.0100.0100.0

us-gaap:CommonStock


Treasury
Period End2021-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-1000.03000.00-2000.01000.01000.0-1000.001000.00001000.0
Percentage of TreasuryStockRetiredCostMethodAmount-0.02.20.0-0.80.0100.0-0.10.00.10.00.00.00.1

us-gaap:Parent


Treasury
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value69000.04862000.04000.066000.0678000.02000.041000.02684000.0138000.042000.0261000.05748000.01000.0786000.001511000.08000.0013000.0954000.08000.0022000.0548000.0037000.0238000.0429000.0
Percentage of TreasuryStockRetiredCostMethodAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0100.0100.0100.00.0100.0100.00.0100.0100.0100.0

us-gaap:RetainedEarnings


Treasury
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value19000.01047000.0-6000.0-94000.0-1249000.01000.01410000.031000.023000.0140000.02727000.0
Percentage of TreasuryStockRetiredCostMethodAmount27.521.5-150.0-142.4-184.22.452.522.554.853.647.4

us-gaap:UnrecognizedTaxBenefitsPeriodIncreaseDecrease

us-gaap:UnrecognizedTaxBenefitsPeriodIncreaseDecrease


Unrecognized
Period End2021-06-302021-03-312020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-31
Value300000.0-100000.00-2900000.0-4300000.0-13900000.0500000.0500000.0100000.0800000.0-1500000.01000000.0300000.0-2500000.0200000.09100000.0200000.0300000.0-300000.0-300000.0200000.0300000.0700000.0600000.0500000.0400000.0300000.0800000.0
Percentage of UnrecognizedTaxBenefitsPeriodIncreaseDecrease100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations

us-gaap:UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations


Unrecognized
Period End2020-12-31
Value435000.0
Percentage of UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations100.0

us-gaap:VariableInterestEntityOwnershipPercentage us-gaap:ConsolidatedEntities, us-gaap:CounterpartyName

us-gaap:VariableInterestEntityOwnershipPercentage

us-gaap:VariableInterestEntityPrimaryBeneficiary, kra:KratonFormosaPolymersCorporation


Variable
Period End2021-06-302021-03-312020-12-312020-09-30
Value050.0049.5
Percentage of VariableInterestEntityOwnershipPercentage0.0100.00.0100.0

us-gaap:VariableLeaseCost

us-gaap:VariableLeaseCost


Variable
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value60000.0256000.0277000.0759000.0-34000.088000.0241000.0187000.0-76000.0191000.0
Percentage of VariableLeaseCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:WeightedAverageNumberOfSharesIssuedBasic

us-gaap:WeightedAverageNumberOfSharesIssuedBasic


Weighted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value32310.009313131-0.0333131310.0253131310.093131310.034303030-0.204313131-0.0863232320.0173232320.0163232320.046323131
Percentage of WeightedAverageNumberOfSharesIssuedBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:EntityCommonStockSharesOutstanding

dei:EntityCommonStockSharesOutstanding


Entity
Period End2020-07-27
Value31
Percentage of EntityCommonStockSharesOutstanding100.0

kra:AlternativeMinimumTaxCreditRefundsCurrent

kra:AlternativeMinimumTaxCreditRefundsCurrent


Alternative
Period End2020-12-31
Value1600000.0
Percentage of AlternativeMinimumTaxCreditRefundsCurrent100.0

kra:CustomerRelatedAccruals

kra:CustomerRelatedAccruals


Customer
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value109.654109.2437.0335.5961011
Percentage of CustomerRelatedAccruals100.0100.0100.0100.0100.0100.0100.0100.0

kra:DebtIssuanceCostsIncludingLineOfCreditArrangementsNet

kra:DebtIssuanceCostsIncludingLineOfCreditArrangementsNet


Debt
Period End2021-06-302021-03-312020-09-30
Value131312
Percentage of DebtIssuanceCostsIncludingLineOfCreditArrangementsNet100.0100.0100.0

kra:DeferredTaxAssetsOperatingLease

kra:DeferredTaxAssetsOperatingLease


Deferred
Period End2020-12-312019-12-31
Value1317
Percentage of DeferredTaxAssetsOperatingLease100.0100.0

kra:DeferredTaxAssetsOperatingLossCarryforwardsSubjectToValuationAllowance

kra:DeferredTaxAssetsOperatingLossCarryforwardsSubjectToValuationAllowance


Deferred
Period End2020-12-31
Value129
Percentage of DeferredTaxAssetsOperatingLossCarryforwardsSubjectToValuationAllowance100.0

kra:DeferredTaxLiabilitiesOperatingLeases

kra:DeferredTaxLiabilitiesOperatingLeases


Deferred
Period End2020-12-312019-12-31
Value1116
Percentage of DeferredTaxLiabilitiesOperatingLeases100.0100.0

kra:DeferredTaxLiabiltiiesNetIncludingNetOfJurisdiction

kra:DeferredTaxLiabiltiiesNetIncludingNetOfJurisdiction


Deferred
Period End2020-12-312019-12-312018-12-31
Value42116117
Percentage of DeferredTaxLiabiltiiesNetIncludingNetOfJurisdiction100.0100.0100.0

kra:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationExpectedLongtermRateofReturnonPlanAssets us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

kra:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationExpectedLongtermRateofReturnonPlanAssets

country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value7.00.070.080.080.0836
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationExpectedLongtermRateofReturnonPlanAssets100.0100.0100.0100.0100.0

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value4.930.05240.05490.05490.0549
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationExpectedLongtermRateofReturnonPlanAssets70.474.968.668.665.7

kra:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationExpectedLongtermRateofReturnonPlanAssetsNoninvestmentExpense us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

kra:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationExpectedLongtermRateofReturnonPlanAssetsNoninvestmentExpense

country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-31
Value0.50.005
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationExpectedLongtermRateofReturnonPlanAssetsNoninvestmentExpense100.0100.0

kra:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationExpectedLongtermRateofReturnonPlanAssetsbeforeNoninvestmentExpense us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

kra:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationExpectedLongtermRateofReturnonPlanAssetsbeforeNoninvestmentExpense

country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-31
Value7.50.085
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationExpectedLongtermRateofReturnonPlanAssetsbeforeNoninvestmentExpense100.0100.0

kra:DefinedBenefitPlanExpectedFutureBenefitPayments us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

kra:DefinedBenefitPlanExpectedFutureBenefitPayments

country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value96928984
Percentage of DefinedBenefitPlanExpectedFutureBenefitPayments100.0100.0100.0100.0

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value64394753
Percentage of DefinedBenefitPlanExpectedFutureBenefitPayments66.643.352.763.9

kra:DefinedBenefitPlanExpectedFutureBenefitPayments us-gaap:RetirementPlanType

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-31
Value1414
Percentage of DefinedBenefitPlanExpectedFutureBenefitPayments15.015.5

kra:DiscountedOperatingLeaseLiability

kra:DiscountedOperatingLeaseLiability


Discounted
Period End2020-12-312019-12-31
Value8687
Percentage of DiscountedOperatingLeaseLiability100.0100.0

kra:DisposalGroupIncludingDiscontinuedOperationIncrementalWorkingCapital us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

kra:DisposalGroupIncludingDiscontinuedOperationIncrementalWorkingCapital

us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations, kra:Cariflex


Disposal
Period End2021-06-302020-03-06
Value4900000.05800000.0
Percentage of DisposalGroupIncludingDiscontinuedOperationIncrementalWorkingCapital100.0100.0

kra:DisposalGroupIncludingDiscontinuedOperationsPreliminaryWorkingCapitalAdjustment us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

kra:DisposalGroupIncludingDiscontinuedOperationsPreliminaryWorkingCapitalAdjustment

us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations, kra:Cariflex


Disposal
Period End2021-06-30
Value900000.0
Percentage of DisposalGroupIncludingDiscontinuedOperationsPreliminaryWorkingCapitalAdjustment100.0

kra:FinanceLeaseLiabilitiesDiscounted

kra:FinanceLeaseLiabilitiesDiscounted


Finance
Period End2021-06-302021-03-312020-12-31
Value3769000.03821000.0835000.0
Percentage of FinanceLeaseLiabilitiesDiscounted100.0100.0100.0

kra:LesseeOperatingLeaseLiabilityForeignCurrencyandOther

kra:LesseeOperatingLeaseLiabilityForeignCurrencyandOther


Lessee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value-5000.0-8000.011000.07000.046000.020000.0-117000.0
Percentage of LesseeOperatingLeaseLiabilityForeignCurrencyandOther100.0100.0100.0100.0100.0100.0100.0

kra:LesseeOperatingLeaseLiabilityToBePaidDueAfterYearFour

kra:LesseeOperatingLeaseLiabilityToBePaidDueAfterYearFour


Lessee
Period End2021-06-302021-03-312020-09-30
Value312635
Percentage of LesseeOperatingLeaseLiabilityToBePaidDueAfterYearFour100.0100.0100.0

kra:LongTermDebtNoncurrentMaturities

kra:LongTermDebtNoncurrentMaturities


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value8478588778699609491337144814561521
Percentage of LongTermDebtNoncurrentMaturities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

kra:LongtermDebtGrossAndLeaseObligation

kra:LongtermDebtGrossAndLeaseObligation


Longterm
Period End2020-12-312019-12-31
Value9501390
Percentage of LongtermDebtGrossAndLeaseObligation100.0100.0

kra:LongtermDebtGrossAndLeaseObligation us-gaap:CreditFacility

kra:KFPCShortTermFacility


Longterm
Period End2020-12-312019-12-31
Value3720
Percentage of LongtermDebtGrossAndLeaseObligation3.91.4

kra:KratonFormosaPolymersCorporationLoanAgreement


Longterm
Period End2020-12-312019-12-31
Value5282
Percentage of LongtermDebtGrossAndLeaseObligation5.55.9

kra:LongtermDebtGrossAndLeaseObligation us-gaap:DebtInstrument, us-gaap:LongtermDebtType

kra:EuroSeniorSecuredTermLoan, us-gaap:MediumTermNotes


Longterm
Period End2020-12-312019-12-31
Value104277
Percentage of LongtermDebtGrossAndLeaseObligation11.019.9

kra:FivePointTwoFivePercentSeniorNotesdueApril152023, us-gaap:SeniorNotes


Longterm
Period End2020-12-312019-12-31
Value355325
Percentage of LongtermDebtGrossAndLeaseObligation37.423.4

kra:FourPointTwoFivePercentSeniorNotes, us-gaap:SeniorNotes


Longterm
Period End2020-12-31
Value400
Percentage of LongtermDebtGrossAndLeaseObligation42.1

kra:OtherInventoryGross1

kra:OtherInventoryGross1


Other
Period End2020-12-312019-12-312018-12-31
Value327340418
Percentage of OtherInventoryGross1100.0100.0100.0

kra:OtherInventoryNet

kra:OtherInventoryNet


Other
Period End2020-12-312019-12-312018-12-31
Value318332410
Percentage of OtherInventoryNet100.0100.0100.0

kra:OtherInventoryValuationReserves

kra:OtherInventoryValuationReserves


Other
Period End2020-12-312019-12-312018-12-31
Value8249000.08185000.08052000.0
Percentage of OtherInventoryValuationReserves100.0100.0100.0

kra:PropertyPlantAndEquipmentAccrualsCurrent

kra:PropertyPlantAndEquipmentAccrualsCurrent


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value6.5520.8931.1491.8331.6510139.5711010
Percentage of PropertyPlantAndEquipmentAccrualsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

kra:TaxLiabilitiesNoncurrent

kra:TaxLiabilitiesNoncurrent


Tax
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value1819191918182124
Percentage of TaxLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccountsPayableAndOtherAccruedLiabilitiesCurrent

us-gaap:AccountsPayableAndOtherAccruedLiabilitiesCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value166163167153170173112104112108100989310211915112311213015712910191664741504354
Percentage of AccountsPayableAndOtherAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccountsPayableTradeCurrent

us-gaap:AccountsPayableTradeCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value211178176131151171168161195180182167180163169156150165150134131125596465517281115
Percentage of AccountsPayableTradeCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccrualForTaxesOtherThanIncomeTaxesCurrent

us-gaap:AccrualForTaxesOtherThanIncomeTaxesCurrent


Accrual
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value1947000.01643000.01303000.02339000.01548000.0
Percentage of AccrualForTaxesOtherThanIncomeTaxesCurrent100.0100.0100.0100.0100.0

us-gaap:AccruedUtilitiesCurrent

us-gaap:AccruedUtilitiesCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value3291000.03084000.02886000.02365000.02397000.0
Percentage of AccruedUtilitiesCurrent100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent


Allowance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value765000.0681000.0598000.0636000.0471000.0551000.0434000.0614000.0976000.0873000.0784000.0918000.01025000.0947000.0824000.01406000.01080000.0929000.0814000.0847000.0875000.0849000.0244000.0263000.0302000.0301000.0245000.0343000.0413000.0402000.0315000.0414000.0502000.0485000.0401000.0496000.0507000.0662000.0549000.0781000.0734000.0947000.0
Percentage of AllowanceForDoubtfulAccountsReceivableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetRetirementObligation

us-gaap:AssetRetirementObligation


Asset
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-312009-12-31
Value5.9766.146.3326.8016.4746.1976.5236.3065.6595.5065.7035.7135.6995.915.7126.9628.9138.828.86310121110101010101010101010109.8399.8379.665109.18.9783.3784.171
Percentage of AssetRetirementObligation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetRetirementObligation us-gaap:StatementBusinessSegments

kra:Chemical


Asset
Period End2020-12-312019-12-312018-12-312017-12-312017-09-302017-06-302016-12-312016-09-30
Value2.22.72.92.93.3-3.23.13.1
Percentage of AssetRetirementObligation34.741.450.950.847.4-35.935.028.7

us-gaap:BuildingsAndImprovementsGross

us-gaap:BuildingsAndImprovementsGross


Buildings
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value199182178171131464747474339
Percentage of BuildingsAndImprovementsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerAssetNetCurrent

us-gaap:ContractWithCustomerAssetNetCurrent


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value255221179169168200190212263259197253275240196
Percentage of ContractWithCustomerAssetNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiability

us-gaap:ContractWithCustomerLiability


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value167167175185183184121213131314141616
Percentage of ContractWithCustomerLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiability us-gaap:BalanceSheetLocation

kra:OtherAccruedLiabilitiesCurrent


Contract
Period End2020-12-31
Value24
Percentage of ContractWithCustomerLiability13.8

us-gaap:ContractWithCustomerLiabilityNoncurrent

us-gaap:ContractWithCustomerLiabilityNoncurrent


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value1401411511611591601123
Percentage of ContractWithCustomerLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentCarryingAmount

us-gaap:DebtInstrumentCarryingAmount


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value928943950945102010111390150515661564156716131683167516831769189118641836182518521860428404395392351350351351391448448489491392382
Percentage of DebtInstrumentCarryingAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentCarryingAmount us-gaap:CreditFacility

kra:KFPCShortTermFacility


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value4449100041273060024147404005506.55108.430.0
Percentage of DebtInstrumentCarryingAmount4.85.2105.34.42.73.043.11.60.947.325.534.10.40.60.50.0

kra:KratonFormosaPolymersCorporationLoanAgreement


Debt
Period End2020-12-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value15006525007995961121131291354400440049001361151061022900765213006000.0
Percentage of DebtInstrumentCarryingAmount157.96.4179.85.36.16.17.27.07.78.1261.3248.6259.17.36.35.85.6155.917.913.0328.7152.80.0

us-gaap:DebtInstrumentCarryingAmount us-gaap:DebtInstrument

kra:ABLFacility


Debt
Period End2021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312015-12-31
Value1515150.00.027245.035500.00.00.00.00.00.0
Percentage of DebtInstrumentCarryingAmount1.61.51.50.00.01.71.60.32.23.00.00.00.00.00.00.0

kra:KratonFormosaPolymersCorporationLoanAgreement


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value353452516782
Percentage of DebtInstrumentCarryingAmount3.83.75.55.46.65.9

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

kra:EuroSeniorSecuredTermLoan, us-gaap:MediumTermNotes


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value100991041171901862773273413363423473673881982810.0
Percentage of DebtInstrumentCarryingAmount10.910.611.012.418.718.519.921.721.821.521.921.621.823.211.815.90.0

kra:FivePointTwoFivePercentSeniorNotesdueApril152023, us-gaap:SeniorNotes


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value3443403553403253183253163303253313363380.0
Percentage of DebtInstrumentCarryingAmount37.036.137.436.031.931.523.421.021.120.821.220.820.10.0

kra:SevenPointZeroPercentSeniorNotesdueApril152025, us-gaap:SeniorNotes


Debt
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value3943943943943943943943994004004004004004004000.0
Percentage of DebtInstrumentCarryingAmount41.838.739.028.426.225.225.225.524.823.823.923.822.621.221.40.0

us-gaap:DebtInstrumentFaceAmount us-gaap:DebtInstrument

us-gaap:DebtInstrumentFaceAmount

kra:FivePointTwoFivePercentSeniorNotesdueApril152023


Debt
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value340325318316330325336338
Percentage of DebtInstrumentFaceAmount100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentFaceAmount us-gaap:DebtInstrument, us-gaap:LongtermDebtType

kra:FivePointTwoFivePercentSeniorNotesdueApril152023, us-gaap:SeniorNotes


Debt
Period End2021-06-302021-03-312018-05-31
Value344340290
Percentage of DebtInstrumentFaceAmount0.00.00.0

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

us-gaap:DebtInstrumentInterestRateEffectivePercentage

us-gaap:SecuredDebt, kra:EuroSeniorSecuredTermLoan, us-gaap:MediumTermNotes


Debt
Period End2020-12-312020-03-062019-12-312018-03-08
Value2.82.780.0280.0275
Percentage of DebtInstrumentInterestRateEffectivePercentage100.0100.0100.0100.0

us-gaap:DebtInstrumentRepurchaseAmount us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:DebtInstrumentRepurchaseAmount

kra:SevenPointZeroPercentSeniorNotesdueApril152025, us-gaap:SeniorNotes


Debt
Period End2020-12-212020-09-302018-12-312018-12-06
Value3945.30.94.3
Percentage of DebtInstrumentRepurchaseAmount100.0100.0100.0100.0

us-gaap:DebtIssuanceCostsLineOfCreditArrangementsNet us-gaap:BalanceSheetLocation, us-gaap:DebtInstrument

us-gaap:DebtIssuanceCostsLineOfCreditArrangementsNet

us-gaap:OtherCurrentAssets, kra:ABLFacility


Debt
Period End2021-06-302021-03-312020-09-302020-06-30
Value500000.0500000.0800000.0600000.0
Percentage of DebtIssuanceCostsLineOfCreditArrangementsNet100.0100.0100.0100.0

us-gaap:DebtIssuanceCostsLineOfCreditArrangementsNet us-gaap:DebtInstrument

kra:ABLFacility


Debt
Period End2021-06-302021-03-312020-09-302020-06-30
Value2000000.02100000.01900000.02100000.0
Percentage of DebtIssuanceCostsLineOfCreditArrangementsNet400.0420.0237.5350.0

us-gaap:DeferredFinanceCostsNet

us-gaap:DeferredFinanceCostsNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312016-09-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value111114101322252728293031394345485256159.48.38.89.51010101111121213141516135.2
Percentage of DeferredFinanceCostsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredFinanceCostsNet us-gaap:DebtInstrument

kra:ABLFacility


Deferred
Period End2020-12-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value2.21.01.21.51.82.02.32.62.93.23.53.84.14.7
Percentage of DeferredFinanceCostsNet15.37.55.45.86.77.17.88.59.18.08.18.48.48.9

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredIncomeTaxAssetsNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312017-12-312016-12-31
Value7980837572708.8639077153
Percentage of DeferredIncomeTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxAssetsNet us-gaap:StatementGeographical

country:DK


Deferred
Period End2020-12-31
Value65
Percentage of DeferredIncomeTaxAssetsNet78.8

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredIncomeTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value150223208216358807782
Percentage of DeferredIncomeTaxLiabilities100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsDeferredIncome

us-gaap:DeferredTaxAssetsDeferredIncome


Deferred
Period End2020-12-31
Value36
Percentage of DeferredTaxAssetsDeferredIncome100.0

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsGross


Deferred
Period End2020-12-312019-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value147146198175160162156134139
Percentage of DeferredTaxAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsInventory

us-gaap:DeferredTaxAssetsInventory


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value8.3098.16.765.3398.5687.8327.1167.308101211
Percentage of DeferredTaxAssetsInventory100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsNotSubjectToExpiration

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsNotSubjectToExpiration


Deferred
Period End2020-12-31
Value129
Percentage of DeferredTaxAssetsOperatingLossCarryforwardsNotSubjectToExpiration100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration


Deferred
Period End2020-12-31
Value1600000.0
Percentage of DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration100.0

us-gaap:DeferredTaxAssetsOtherLossCarryforwards

us-gaap:DeferredTaxAssetsOtherLossCarryforwards


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value3649607312811010612110593104
Percentage of DeferredTaxAssetsOtherLossCarryforwards100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOtherTaxCarryforwards

us-gaap:DeferredTaxAssetsOtherTaxCarryforwards


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value4.97430260.0
Percentage of DeferredTaxAssetsOtherTaxCarryforwards100.0100.0100.00.0

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value4.938108.2619.643113.287
Percentage of DeferredTaxAssetsTaxCreditCarryforwards100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value3125262938272815252017
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value114.7824.7391011291817148.2026.13
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesInvestmentInNoncontrolledAffiliates

us-gaap:DeferredTaxLiabilitiesInvestm