CRS


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:StatementEquityComponents

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

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

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:CostOfGoodsAndServicesSold
us-gaap:DerivativeInstrumentRisk, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:GainsLossesOnExtinguishmentOfDebt
us-gaap:DebtInstrument

us-gaap:GrossProfit

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

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

us-gaap:InterestExpense

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

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

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

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

us-gaap:Revenues

us-gaap:SellingGeneralAndAdministrativeExpense

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

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:AccountsReceivableNetCurrent

us-gaap:InventoryNet

us-gaap:InventoryLIFOReserve

us-gaap:OtherAssetsCurrent

us-gaap:NoncurrentAssets
us-gaap:StatementGeographical

us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:Goodwill
us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments, us-gaap:Subsegments

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OtherAssetsNoncurrent

us-gaap:AccountsPayableCurrent

us-gaap:AccruedIncomeTaxesCurrent

us-gaap:AccruedLiabilitiesCurrent

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:LiabilitiesCurrent

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OtherAccruedLiabilitiesCurrent

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

us-gaap:LongTermDebtNoncurrent
us-gaap:LongtermDebtType

us-gaap:DeferredIncomeTaxLiabilitiesNet
us-gaap:RetirementPlanType
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:OperatingLeaseLiability

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:TreasuryStockValue

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:AmortizationOfFinancingCosts

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DepreciationDepletionAndAmortization
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInInventories

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet

us-gaap:NetCashProvidedByUsedInOperatingActivities

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

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquireProductiveAssets
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:PaymentsOfDividends
us-gaap:DebtInstrument
us-gaap:DebtInstrumentInterestRateStatedPercentage

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

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:ProceedsFromRepaymentsOfShortTermDebt

crs:CostOfGoodsAndServicesSoldExcludingInventoryWriteDown

crs:EffectiveIncomeTaxRateReconciliationExcludingNonDeductibleExpenseImpairmentLossesPercent

crs:EffectiveIncomeTaxRateReconciliationExcludingPensionSettlementChargesNonDeductibleExpenseImpairmentLossesAndPriorYearIncomeTaxesPercent

crs:EffectiveIncomeTaxRateReconciliationPensionSettlementAmount

crs:NonCashAssetImpairmentCharges

crs:OperatingLossCarryforwardIncomeTaxExpenseBenefitCARESAct

us-gaap:AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForRevisionInEstimates
us-gaap:StatementBusinessSegments
us-gaap:AssetImpairmentCharges

us-gaap:CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths
us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation
us-gaap:ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1
us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation
us-gaap:ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1
us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType
us-gaap:ConcentrationRiskPercentage1
us-gaap:MajorCustomers, us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit

us-gaap:DefinedBenefitPlanBenefitObligationIncreaseDecreaseForRemeasurementDueToSettlement
us-gaap:RetirementPlanTaxStatus, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanContributionsByEmployer
us-gaap:RetirementPlanType
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanInterestCost
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost

us-gaap:DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1
us-gaap:RetirementPlanType
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanServiceCost
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:IncomeStatementLocation
us-gaap:DerivativeGainLossOnDerivativeNet
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeGainOnDerivative
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

us-gaap:DividendsCommonStockCash
us-gaap:StatementEquityComponents

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount

us-gaap:ForeignCurrencyTransactionGainLossBeforeTax
us-gaap:IncomeStatementLocation
us-gaap:GainLossOnDerivativeInstrumentsNetPretax

us-gaap:GainLossOnSaleOfPropertyPlantEquipment

us-gaap:GoodwillImpairmentLoss

us-gaap:ImpairmentOfIntangibleAssetsFinitelived
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:IncomeTaxReconciliationNondeductibleExpenseRestructuringCharges

us-gaap:IncomeTaxReconciliationPriorYearIncomeTaxes

us-gaap:IncreaseDecreaseInAccruedLiabilities

us-gaap:IncreaseDecreaseInOtherCurrentAssets

us-gaap:InterestCostsCapitalized

us-gaap:InterestCostsIncurred

us-gaap:InventoryWriteDown

us-gaap:LeaseCost

us-gaap:LifeInsuranceCorporateOrBankOwnedChangeInValue

us-gaap:NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent

us-gaap:NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1

us-gaap:OciBeforeReclassificationsNetOfTaxAttributableToParent
us-gaap:StatementEquityComponents

us-gaap:OperatingLeaseCost

us-gaap:OperatingLeasePayments

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax
us-gaap:DerivativeInstrumentRisk

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

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax

us-gaap:OtherPostretirementBenefitsPayments

us-gaap:PaymentsForRestructuring

us-gaap:PaymentsOfDebtExtinguishmentCosts

us-gaap:PaymentsOfDebtIssuanceCosts

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PensionContributions

us-gaap:PensionExpense

us-gaap:PensionExpenseReversalOfExpenseNoncash

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

us-gaap:ProceedsFromIssuanceOfOtherLongTermDebt

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment
us-gaap:StatementBusinessSegments

us-gaap:ProceedsFromStockOptionsExercised

us-gaap:ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent
us-gaap:StatementEquityComponents

us-gaap:RepaymentsOfOtherLongTermDebt

us-gaap:RestructuringCharges

us-gaap:RestructuringCostsAndAssetImpairmentCharges

us-gaap:RestructuringReserveSettledWithoutCash2

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
us-gaap:StatementBusinessSegments
us-gaap:SeveranceCosts1

us-gaap:ShortTermLeaseCost

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised
us-gaap:StatementEquityComponents

us-gaap:SubleaseIncome

us-gaap:UndistributedEarnings

us-gaap:UndistributedEarningsDiluted

us-gaap:UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic

us-gaap:VariableLeaseCost
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
crs:AmountOfRawMaterialToBePurchasedFromForwardContracts
us-gaap:CreditFacility, us-gaap:LongtermDebtType
crs:DebtInstrumentCovenantCreditCommitmentAmount
us-gaap:CreditFacility, us-gaap:LongtermDebtType
crs:DebtInstrumentCovenantMinimumAvailableLiquidity

crs:DeferredTaxAssetsOperatingLeaseLiability

crs:DeferredTaxLiabilitiesDepreciation

crs:DerivativeContractsAssetValueifPresentedonGrossBasis

crs:DerivativeContractsLiabilityValueifPresentedonGrossBasis
us-gaap:MeasurementInputType, us-gaap:ReportingUnit, us-gaap:ValuationTechnique
crs:GoodwillMeasurementInput

crs:InventoryFinishedGoodsAndPurchasedPartsNetOfReserves

crs:LesseeOperatingLeaseLiabilityToBePaidAfterYearFour

crs:OtherThanLIFOInventoryAmount
us-gaap:ReportingUnit
crs:PercentageOfGoodwill
us-gaap:ReportingUnit
crs:ReportingUnitLongTermGrowthRateReductionNecessaryToApproximateNetBookValue
us-gaap:ReportingUnit
crs:ReportingUnitPercentageOfFairValueInExcessOfCarryingValueIfLongTermGrowthRateReducedByOneHalfPercent

crs:TaxExpenseNotRecognizedAmountOfUnrecognizedTaxExpenseUndistributedEarningsOfForeignSubsidiariesRepatriated

dei:EntityPublicFloat

us-gaap:AccrualForEnvironmentalLossContingencies

us-gaap:AccrualForEnvironmentalLossContingenciesDiscountRate

us-gaap:AccrualForEnvironmentalLossContingenciesGross

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:CashSurrenderValueOfLifeInsurance
us-gaap:FairValueByMeasurementBasis
us-gaap:DebtInstrument
us-gaap:DebtInstrumentFaceAmount
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:DebtInstrumentFairValue
us-gaap:FairValueByMeasurementBasis

us-gaap:DeferredFinanceCostsNet

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards
us-gaap:StatementGeographical
us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsNotSubjectToExpiration

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits

us-gaap:DeferredTaxLiabilitiesDeferredExpenseCapitalizedInventoryCosts

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets

us-gaap:DeferredTaxLiabilitiesLeasingArrangements

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DefinedBenefitPensionPlanCurrentAndNoncurrentLiabilities

us-gaap:DefinedBenefitPensionPlanLiabilitiesCurrent

us-gaap:DefinedBenefitPensionPlanLiabilitiesNoncurrent
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAmountsRecognizedInBalanceSheet

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate
us-gaap:RetirementPlanType
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanBenefitObligation

us-gaap:DefinedBenefitPlanExpectedAmortizationNextFiscalYear
us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedAmortizationOfGainLossNextFiscalYear
us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedAmortizationOfPriorServiceCostCreditNextFiscalYear
us-gaap:RetirementPlanType
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo
us-gaap:RetirementPlanTaxStatus, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsRemainderOfFiscalYear
us-gaap:RetirementPlanType
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanFundedStatusOfPlan

us-gaap:DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsPlanAssets
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsProjectedBenefitObligation
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets
us-gaap:DefinedBenefitPlanByPlanAssetCategories
us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage
us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanUltimateHealthCareCostTrendRate1
us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanWeightedAverageAssetAllocations
us-gaap:RetirementPlanType

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

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

us-gaap:DerivativeLiabilities
us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:DerivativeLiabilitiesCurrent

us-gaap:DerivativeLiabilityFairValueGrossAsset
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
us-gaap:DisposalGroupIncludingDiscontinuedOperationConsideration

us-gaap:EmployeeRelatedLiabilitiesCurrent
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
us-gaap:AwardType, us-gaap:PlanName
us-gaap:PlanName

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:GoodwillGross

us-gaap:GoodwillImpairedAccumulatedImpairmentLoss
us-gaap:StatementBusinessSegments

us-gaap:InterestPayableCurrent

us-gaap:InventoryRawMaterialsAndSuppliesNetOfReserves

us-gaap:InventoryWorkInProcessNetOfReserves

us-gaap:LIFOInventoryAmount

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear

us-gaap:LettersOfCreditOutstandingAmount
us-gaap:CreditFacility, us-gaap:LongtermDebtType
us-gaap:CreditFacility, us-gaap:LongtermDebtType
us-gaap:LineOfCreditFacilityInterestRateAtPeriodEnd
us-gaap:LongtermDebtType
us-gaap:CreditFacility, us-gaap:LongtermDebtType
us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity
us-gaap:DebtInstrument
us-gaap:CreditFacility, us-gaap:LongtermDebtType
us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity
us-gaap:LongtermDebtType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent
us-gaap:RetirementPlanType
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities

us-gaap:PostemploymentBenefitsLiabilityCurrent
us-gaap:LongTermPurchaseCommitmentByCategoryOfItemPurchased
us-gaap:PurchaseObligation

us-gaap:PurchaseObligationDueInFifthYear

us-gaap:PurchaseObligationDueInFourthYear

us-gaap:PurchaseObligationDueInNextTwelveMonths

us-gaap:PurchaseObligationDueInSecondYear

us-gaap:PurchaseObligationDueInThirdYear
us-gaap:ReportingUnit
us-gaap:ReportingUnitPercentageOfFairValueInExcessOfCarryingAmount
us-gaap:StatementBusinessSegments

us-gaap:RestructuringReserve
us-gaap:AwardType, us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
us-gaap:PlanName
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
us-gaap:AwardType
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1
us-gaap:AwardType
us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1
us-gaap:AwardType, us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRange
us-gaap:AwardType
us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1
us-gaap:AwardType, us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRange

us-gaap:TreasuryStockShares

us-gaap:UndistributedEarningsOfForeignSubsidiaries
us-gaap:ValuationAllowancesAndReservesType
us-gaap:ValuationAllowancesAndReservesBalance

Plots across concepts


IncomeStatement
Income Loss From Continuing Operations 
Before Income Taxes Extraordinary Items Noncontrolling Interest
Expenses
Income Tax Expense Benefit
Balance Sheet
Operating Lease Right Of Use Asset
Assets
Derivative Assets
Current Assets
Other Assets Current
NonCurrent Assets
Deferred Income Tax Assets Net
PropertyPlantAndEquipmentNet
Property Plant And Equipment Net
Liabilities
Derivative Liabilities
Current Liabilities
Accrued Income Taxes Current
Noncurrent Liabilities
Operating Lease Liability Noncurrent
Stockholders Equity
Accumulated Other Comprehensive Income Loss Net Of Tax
CashFlow
Net Income Loss
NetCashProvidedByUsedInOperatingActivities
Net Income Loss
Shares
Treasury Stock Shares
OperatingLeaseLiability
Operating Lease Liability Current
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Payments Remainder Of Fiscal Year
FiniteLivedIntangibleAssets
Finite Lived Intangible Assets Net
InventoryNet
Inventory Work In Process Net Of Reserves
AccountsReceivable
Allowance For Doubtful Accounts Receivable Current

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
us-gaap:CommonStockValue ████████▇▇▇▇▆▅▅▅▄▄▄▄▄▄▄▄▄▄▄▄▄▄▃▃▂▂▂▂▂▂▂▂▁▁▁280.1280.1280.1280.1280.1280.1280.1279.8279.0279.0279.0278.9278.6277.4277.3277.0276.7276.7276.7276.3276.3276.2276.2276.2276.2276.2276.0275.9275.8275.8275.6275.0274.6274.6274.5274.3274.0274.0274.0273.8273.7273.4273.3NA273.2NANANA
us-gaap:CommonStockSharesIssued 56.024619NANANA56.01274856.01274856.01185355.96967755.80874355.80034355.7977255.78873755.71222955.4807655.45086155.39524555.34965855.34930455.33412455.26652355.25456955.24568155.24268155.23640755.23494255.23380755.1902255.18898355.16187555.15230655.11380455.0048954.92533554.92414854.90774654.86632254.80973554.79926254.79140154.76017754.73029154.67070954.65891NA54.644401NANANA
us-gaap:CommonStockSharesOutstanding 48.040676NANANA47.85046847.80433447.7970747.71952347.47036347.38532647.38019947.36548447.19174446.92859246.89489646.80332446.7531846.74052546.71733946.6199946.60012546.58283447.6051849.1214750.31824451.8867453.05076553.23770353.13714453.08864153.04662452.9362352.7730652.71826952.67515252.63251152.41296752.34701644.2141144.18288644.1073844.01986244.008387NA43.967084NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding NA48.348.348.3NA48.348.548.3NA48.148.048.248.047.747.647.347.147.147.146.947.047.148.949.951.052.653.653.753.853.753.653.553.553.553.553.453.347.945.145.145.044.744.744.544.544.444.243.9
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic NA48.348.348.3NA48.148.147.9NA47.747.747.647.447.247.247.147.147.047.046.946.947.148.849.750.952.653.453.553.453.353.253.152.952.952.952.852.647.244.444.344.244.144.144.144.044.044.043.9
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities crs:EmployeeAndDirectorsStockOptionsNA1.92.22.1NA2.00.60.8NA0.80.80.1NA0.70.61.8NA2.02.01.8NA1.61.51.3NA1.10.70.3NA0.10.00.2NA0.20.3NANANANANANANANANANANANANA
us-gaap:EarningsPerShareBasic ▃▄▂▃▁▆▆▆▇▇▆▆▆▆█▆▆▆▅▅▅▄▅▅▆▅▆▅▆▆▆▆▆▆▆▆▆▆▆▆▆▆▅▅▅▅▅▅-1.1799999999999997-0.84-1.76-0.98-2.450.820.80.851.011.060.730.660.90.631.930.490.540.440.15-0.130.32-0.510.230.180.44-0.030.450.250.710.570.550.650.770.620.620.740.770.690.530.530.570.640.210.170.130.050.08-0.21
us-gaap:EarningsPerShareDiluted ▃▄▂▃▁▆▆▆▇▇▆▆▆▆█▆▆▆▅▅▅▄▅▅▆▅▆▅▆▆▆▆▆▆▆▆▆▆▆▆▆▆▅▅▅▅▅▅-1.1799999999999997-0.84-1.76-0.98-2.440.820.790.851.01.050.730.650.880.631.920.490.540.440.15-0.130.32-0.510.230.180.44-0.030.450.250.710.570.550.650.770.620.620.740.770.690.520.530.570.640.210.170.130.050.08-0.21
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
 Operating Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,crs:PerformanceEngineeredProductsSegment▃▂▁▂▃▆▅▆▇▇▆▆▆▆▅▅▅▅▃▃▄▄▄▄▆▇█▇█▇▆▆█▇▇77.565.754.861.877.1108.6106.0109.4126.4128.7112.9111.7116.3107.9104.8100.7106.298.783.278.590.491.485.491.5113.6120.4133.7129.9136.3130.1113.7118.5133.0125.6126.6NANANANANANANANANANANANANA
 Operating Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,crs:SpecialtyAlloysOperationsSegment▃▁▁▁▃▇▇▇█▇▆▆█▇▄▄▄▄▂▁▃▃▃▃▆▆▅▅▇▆▄▄▇▆▅361.4299.6300.4300.7369.4488.1483.0491.1531.9498.3461.6475.5518.2482.4406.3396.8414.6383.3348.6315.1374.3370.5363.6372.6452.6469.8438.3436.0487.1452.0407.5394.9493.1471.0428.4NANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
us-gaap:ComprehensiveIncomeNetOfTax ▇█▄▅▁▇▇█▅█▇17.655.6-67.6-29.5-161.120.930.165.4-31.457.119.1NANANANANANANANANANANANANANANANANA86.953.837.445.292.737.625.067.6-105.136.328.4-17.6117.941.322.527.1-65.323.510.2NA
us-gaap:CostOfGoodsAndServicesSold NA336.4999999999999342.8349.8NA475.9460.4472.8518.5486.7449.5480.7503.1476.2402.1394.2415.0390.5364.9343.0384.2386.3377.5387.0469.5494.8463.4480.7498.9471.8408.1395.3491.3480.4430.9435.6523.2434.8346.8333.0406.6391.1326.5301.9320.5290.6228.2NA
 us-gaap:CostOfGoodsAndServicesSold us-gaap:DerivativeInstrumentRisk,us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:StatementEquityComponents us-gaap:CommodityContract,us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:AccumulatedGainLossNetCashFlowHedgeParentNA1.42.42.8NA2.22.84.8NA2.10.2-2.0NA2.5-0.2-2.6NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:GainsLossesOnExtinguishmentOfDebt ███▁██0.00.00.0-8.20.00.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:DebtInstrument crs:SeniorUnsecuredNotes5.20PercentDueJuly2021█▃▃▁21.00.00.0-10.5NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:GrossProfit ▁▃▂▂▂▇▇▇██▇▆█▇▆▆▇▆▅▄▆▄▅▅▆▆▆▅▇▇▇▇█▇▇▇█▇▆▆▆▆▄▄▄▄▄▃-21.312.86.03.5-5.4109.5112.6112.6122.9123.2107.091.7114.996.085.785.692.783.162.546.073.547.566.368.688.475.885.069.1105.694.595.4103.3120.5101.0102.6109.3120.6105.184.381.177.073.149.149.843.746.335.619.2
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest ▃▄▃▄▁▇▇███▇▇█▇▇▇▇▇▆▆▇▅▆▆▇▆▇▆█▇▇▇█▇▇██▇▇▇-79.0-57.2-95.6-66.0-148.449.950.554.162.668.045.240.353.637.733.735.238.129.18.3-5.323.3-33.015.116.133.3-2.338.220.054.346.244.451.559.049.249.659.162.051.838.536.3NANANANANANANANA
 us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:StatementEquityComponents us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNA-13.1-4.7-4.7NA-4.0-4.0-4.0NA-2.2-2.2NANANANANANANANANANA-6.0-6.0-6.0-4.6-4.8-4.8-4.8-5.8-5.9-5.9-5.9NANANANANANANANANANANANANANANANA
 us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:StatementEquityComponents us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:AccumulatedGainLossNetCashFlowHedgeParentNA1.52.52.9NA2.43.05.3NA2.40.6NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeTaxExpenseBenefit ▄▅▅▄▄▇▇▇▇█▇▇▇▇▁▇▇▇▆▆▇▅▆▇▇▆▇▇██▇███████▇▇▇▆▆▆▆▇▆-21.9-16.7-10.7-18.9-30.010.011.712.913.716.99.78.810.87.5-58.411.812.68.41.30.98.4-9.13.67.210.8-0.914.16.516.215.614.916.918.116.316.419.621.018.814.712.67.73.11.43.90.87.80.7NA
 us-gaap:IncomeTaxExpenseBenefit us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:StatementEquityComponents us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:AccumulatedDefinedBenefitPlansAdjustment▁▆▇▇██▇▇-3.4-1.4-1.1-1.1-0.8-0.9-1.0-1.0NA-0.5-0.5NANANANANANANANANANA-2.2-2.3-2.3-1.6-1.8-1.9-1.8-2.3-2.2-2.0-2.3NANANANANANANANANANANANANANANANA
 us-gaap:IncomeTaxExpenseBenefit us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:StatementEquityComponents us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:AccumulatedGainLossNetCashFlowHedgeParent▁▃▄▅▄▄▅█0.00.40.50.70.50.60.71.3NA0.60.1NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:InterestExpense ▅▅▄█▂▂▂▃▃▄▃▃▃▄▄▄▄▄▄▄▄▄▃▃▃▄▃▃▃▁▂▂▃▂▂▂▃▃▃▃▂▂▂▂▂▂▂9.2000000000000038.97.914.94.24.95.35.45.77.17.06.36.37.57.37.27.37.77.47.37.27.27.06.66.87.16.87.06.22.73.74.46.35.04.45.25.45.65.87.04.24.44.34.24.54.54.5NA
us-gaap:NetIncomeLoss ▄▄▂▄▁█▇███▇-57.1-40.5-84.9-47.1-118.439.938.841.248.951.135.5NANANANANANANANANANANANANANANANA13.538.130.629.534.640.932.933.039.240.833.023.623.825.528.69.37.625.52.13.57.6
 us-gaap:NetIncomeLoss us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:StatementEquityComponents us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:AccumulatedDefinedBenefitPlansAdjustment█▁▇▇████-2.7-11.7-3.6-3.6-3.2-3.1-3.0-3.0NA-1.7-1.7NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NetIncomeLoss us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:StatementEquityComponents us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:AccumulatedGainLossNetCashFlowHedgeParent▁▃▄▅▄▄▅█0.11.12.02.21.51.82.34.0NA1.80.5NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings▄▄▂▄▁█▇███▇-57.1-40.5-84.9-47.1-118.439.938.841.248.951.135.5NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OperatingIncomeLoss ▃▄▃▄▁█▇███▇▇█▇▇▇▇▇▆▆▇▅▆▆▇▆▇▆█▇▇▇█▇▇██▇▇▇▇▇▆▆▆▆▆▅-70.8-40.0-89.0-48.8-148.258.755.059.867.973.255.445.059.445.240.841.744.635.815.41.429.2-24.321.824.839.54.845.022.159.249.547.555.865.453.052.761.666.555.743.944.035.035.212.114.110.212.82.0-13.3
 us-gaap:OperatingIncomeLoss us-gaap:ConsolidationItems us-gaap:CorporateNonSegment▇▇▅▇▁▇▇▇▇▇▇█▇▇███████▅███▆█████████-20.9-26.3-70.6-26.6-146.2-17.8-21.9-19.1-21.2-17.3-18.4-15.8-21.5-18.0-13.9-12.9-15.7-15.8-16.0-13.8-13.7-64.5-12.7-12.0-16.1-38.6-7.0-10.3-10.1-9.5-11.3-12.9-16.4-10.3-10.6NANANANANANANANANANANANANA
 us-gaap:OperatingIncomeLoss us-gaap:ConsolidationItems us-gaap:IntersegmentElimination▃▁█-0.3-0.50.4NA1.10.40.2-0.10.40.30.40.7-0.70.3-2.1-0.70.40.60.60.10.50.30.70.90.5-0.6-1.60.50.10.3-0.4-0.60.50.3-0.4NANANANANANANANANANANANANA
 us-gaap:OperatingIncomeLoss us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,crs:PerformanceEngineeredProductsSegment▃▂▁▂▁▃▃▃▄█▅▅▆▅▅▅▅▅▄▃▃▃▃▃▆▆▇▆▇▇▆▇▆▇▆-2.3-3.3-7.2-3.6-8.4-0.30.4-2.01.716.64.47.38.05.47.55.35.84.70.8-2.8-1.3-0.9-2.9-0.48.38.512.69.712.213.18.611.68.911.410.4NANANANANANANANANANANANANA
 us-gaap:OperatingIncomeLoss us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,crs:SpecialtyAlloysOperationsSegment▁▃▃▂▄▇▇██▇▇▆▇▆▆▆▇▆▅▅▆▆▆▆▆▅▆▅▇▆▆▇█▇▇-47.3-9.9-11.6-18.65.376.476.381.086.973.669.052.874.158.049.850.559.751.935.625.048.645.641.541.149.237.943.424.663.051.654.463.780.459.661.3NANANANANANANANANANANANANA
us-gaap:OtherNonoperatingIncomeExpense ▅▁▅▄▇▃▅▅▅▆▃▆▅▅▅▅▅▅▅▅▅▄▅▄▅▅▅▇▅▅▅▅▅▅▅▆▅▆▅▅▆▅▆▆▅▆█1.0-8.31.3-2.34.0-3.90.8-0.30.51.9-3.21.60.50.00.20.70.81.00.30.61.3-1.50.3-2.10.50.00.04.91.3-0.60.60.1-0.11.21.32.70.91.70.4-0.72.81.13.01.61.01.66.7NA
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax ▄▃▃▃▄▇▇▇█▇▇▇█▇▅▅▆▅▄▄▅▅▅▅▇▇▆▆▇▇▆▆▇▇▆▆█▆▄▄▅▅▃▃▃▃▂▁421.6351.9348.8353.3437.3585.4573.0585.4641.4609.9556.5572.4618.0572.2487.8479.8507.7473.6427.4389.0457.7456.3443.8455.6558.0570.6548.4549.8604.6566.3503.5498.6611.8581.4533.5544.9643.7539.9431.1414.1483.6464.2375.6351.7364.2336.9263.8233.7
us-gaap:Revenues ▄▃▃▃▄▇▇▇█▇▇▇█▇▅▅▆▅▄▄▅▅▅▅▇▇▆▆▇▇▆▆▇▇▆▆█▆▄▄▅▅▃▃▃▃▂▁421.6351.9348.8353.3437.3585.4573.0585.4641.4609.9556.5572.4618.0572.2487.8479.8507.7473.6427.4389.0457.7456.3443.8455.6558.0570.6548.4549.8604.6566.3503.5498.6611.8581.4533.5544.9643.7539.9431.1414.1483.6464.2375.6351.7364.2336.9263.8233.7
us-gaap:SellingGeneralAndAdministrativeExpense ▆▆▄▄▄▇█▇█▆▇▅█▇▅▄▅▅▅▅▄▄▄▄▅▅▃▅▅▅▆▅█▆▆▆▇▄▂▂▃▂▂▂▁▁▁47.89999999999998447.842.242.342.050.855.352.855.150.051.646.755.550.844.943.944.947.347.144.644.341.744.543.445.045.740.047.046.545.047.947.555.148.049.947.753.941.538.035.738.937.937.035.733.533.533.6NA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
us-gaap:Assets ▆▆▇▇▇███▇▇▇▆▆▆▆▆▆▆▅▆▆▅▆▆▆▆▇▆▇▆▆▆▆▆▅▅▅▅▂▂▂▁▁2971.23011.03043.93128.73227.23429.43403.63341.53187.83240.23161.83007.73007.02991.92944.12892.52878.12822.42777.42814.12794.32786.52840.62871.12905.92967.43055.03012.23057.52964.72895.42925.52882.92916.32582.22603.12627.82596.31874.81875.51991.91706.41630.0NA1583.2NANANA
us-gaap:Liabilities ▆▆▇▇████▇▇▇▅▅▆▆▇▇▇▇▇▇▆▆▆▆▆▆▆▆▆▅▆▆▇▄▅▅▄▂▂▃▁▁1578.91629.81711.01721.21781.51810.91800.21764.51667.71682.61656.31517.01521.11620.81607.31661.51679.51660.81647.11693.21689.41599.51612.61593.91580.01567.61579.01526.71553.21539.41518.71583.01579.81698.31394.91427.71514.71372.11098.31123.41215.91044.91007.3NA1009.8NANANA
us-gaap:LiabilitiesAndStockholdersEquity ▆▆▇▇▇███▇▇▇▆▆▆▆▆▆▆▅▆▆▅▆▆▆▆▇▆▇▆▆▆▆▆▅▅▅▅▂▂▂▁▁2971.23011.03043.93128.73227.23429.43403.63341.53187.83240.23161.83007.73007.02991.92944.12892.52878.12822.42777.42814.12794.32786.52840.62871.12905.92967.43055.03012.23057.52964.72895.42925.52882.92916.32582.22603.12627.82596.31874.81875.51991.91706.41630.0NA1583.2NANANA
us-gaap:StockholdersEquity ▆▆▆▇▇███▇█▇▇▇▆▆▅▅▅▅▅▄▅▅▆▆▆▇▇▇▇▆▆▆▅▅▅▄▅▂▂▂▁▁1392.31381.21332.91407.51445.71618.51603.41577.01520.11557.61505.51490.71485.91371.11336.81231.01198.61161.61130.31120.91104.91187.01228.01277.21325.91399.81476.01485.51504.31425.31376.71342.51303.11218.01187.31165.61103.81214.5767.1742.5765.7651.8613.4NA573.4NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
us-gaap:AssetsCurrent ▅▅▅▅▆█▇▇▆▇▆▅▅▅▅▅▄▄▃▄▃▃▄▄▄▅▅▅▆▅▅▆▇█▅▅▆▆▄▄▅▂▁1117.41150.41152.61187.91266.31377.11357.71309.61236.21309.21261.41188.11178.81191.31159.51111.71093.61051.41026.21043.11010.71016.11036.21047.01070.41118.71192.01152.51194.51149.51123.21223.31281.51400.91127.91191.91249.71253.21034.81049.21157.6894.2818.7NA820.2NANANA
us-gaap:CashAndCashEquivalentsAtCarryingValue ▅▄▅▄▄▂▁▁▁▁▁▁▂▁▁▁▂▁▁▂▂▁▁▁▂▁▁▂▃▂▂▄▅▅▂▂▄▃▅▅█▃▃▅▅▄▆287.4244.2271.4218.9193.193.029.924.627.018.928.517.056.246.820.724.966.316.622.550.982.023.421.130.670.029.428.866.0120.085.3106.2201.0257.5294.763.1112.6211.0175.1318.8314.8492.5184.1157.2258.3265.4243.4327.5NA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents █▇█▆▆▃▁▁▁▁▁▁▂▂287.4244.2271.4218.9193.193.029.924.627.018.928.517.056.246.8NANA66.3NANANA82.0NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:AccountsReceivableNetCurrent ▅▄▂▃▄▇████▆██▆▅▄▄▃▃▂▃▄▃▄▅▅▅▅▆▅▃▄▆▇▄▅▇▆▂▃▃▄▁308.7279.2230.3250.5292.3374.4378.3383.4384.1390.1339.6381.6378.5349.3297.2294.6290.4267.2250.0240.7253.6271.0268.4278.9304.1318.9309.2319.1339.6314.9266.2286.6342.0353.8286.5319.5354.2330.3229.2253.5259.4285.3202.6NA188.5NANANA
us-gaap:InventoryNet ▂▄▄▅▆██▇▇█▇▆▅▆▆▆▅▆▆▅▅▅▅▅▅▆▆▆▆▆▆▆▅▅▆▆▅▅▂▂▁▁▁425.7535.5565.1633.9724.3869.0896.6837.6787.7861.0844.2740.5689.2732.6771.8737.3690.4718.3700.7661.6628.7649.4687.7686.7655.8710.7757.1728.1699.2722.4721.2707.1659.2686.9733.6722.2642.0677.5432.5418.5328.6323.7327.8NA203.6NANANA
us-gaap:InventoryLIFOReserve 238.8NANANA134.5NANANA178.4NANANA210.3NANANA106.1NANANA98.2NANANA196.6NANANA195.7NANANA222.4NANANA279.8NANANA355.4NANANA331.8NANANA
us-gaap:OtherAssetsCurrent ██▇▇▄▃▄▅▃▃▄▄▄▅▆▄▃▄▄▇▃▅▄▃▃▃▇▂▂▂▂▂▁▅▃▃▂▂▁▂▂▄▃95.691.585.884.656.640.752.964.037.439.249.149.054.962.669.854.946.549.353.089.946.464.847.642.737.243.087.534.135.726.929.628.620.165.538.837.631.931.425.228.431.754.745.3NA36.0NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
us-gaap:NoncurrentAssets 1457.5NANANA1351.1NANANA1366.2NANANA1313.4NANANA1316.8NANANA1351.4NANANA1397.0NANANA1407.0NANANA1168.4NANANA924.6NANANA662.9NANANANANANANA
us-gaap:PropertyPlantAndEquipmentGross 3149.9NANANA3127.6NANANA2882.8NANANA2747.4NANANA2668.5NANANA2607.7NANANA2596.8NANANA2513.6NANANA2195.1NANANA1870.1NANANA1563.8NANANA1466.2NANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment 1692.4NANANA1629.5NANANA1516.6NANANA1434.0NANANA1351.7NANANA1256.3NANANA1199.8NANANA1106.6NANANA1026.7NANANA945.5NANANA900.9NANANA848.7NANANA
us-gaap:PropertyPlantAndEquipmentNet █▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇████▇▇▆▆▅▄▄▃▃▁▁▁▁▁1457.51306.71326.11334.11351.11395.21385.81380.21366.21350.81335.61316.81313.41295.61298.71308.71316.81312.11322.71338.11351.41347.71366.91389.61397.01403.61416.61408.11407.01376.11331.01259.01168.41080.61017.6959.7924.6884.8685.7670.7662.9634.8633.2NA617.5NANANA
us-gaap:Goodwill ▆▆▆▇▇██████▆▆▇▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▁▁▁▁▁241.4241.4241.4292.3290.4325.1328.9324.5326.4327.9337.2268.7268.7273.7263.4263.4263.4270.9244.8244.8244.8244.8257.2257.2257.4257.3257.5257.6257.7257.6257.7257.8257.7256.7256.7261.2260.5247.446.045.344.945.135.2NA35.2NANANA
us-gaap:IntangibleAssetsNetExcludingGoodwill NA44.945.446.552.161.263.864.967.269.460.061.763.359.961.663.264.958.259.961.663.264.967.669.671.673.575.777.880.684.588.191.895.098.5102.1106.5109.9127.327.628.430.028.838.6NA17.6NANANA
us-gaap:FiniteLivedIntangibleAssetsNet ▁▆█43.144.945.4NA52.1NANANA67.2NANANA63.3NANANA64.9NANANA63.2NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OperatingLeaseRightOfUseAsset ▁▁▃▄▅█▇▅34.335.944.046.652.061.959.051.6NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAssetsNoncurrent ▂██████▇▅▅▄▄▅▄▄▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▂▂▂106.5262.6273.3263.2262.4267.0263.3258.3187.6178.3163.0167.9178.5165.8156.8138.0131.8122.3116.5118.9116.0113.0112.7107.7109.5114.3113.2116.2117.797.095.493.680.379.677.983.883.183.680.781.996.599.796.5NA76.5NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
us-gaap:AccountsPayableCurrent ▂▂▁▁▂▅▆▇▆▇█▇▅▆▅▅▅▄▃▃▃▃▂▃▄▄▄▇█▆▅▇▇▆▄▆▆▆▃▄▄▃▂142.4135.1108.4114.2124.2209.6233.9259.9238.7252.0266.4255.9214.7217.7205.1212.5201.1191.3167.7153.5159.6152.9140.2165.4169.5178.3191.3251.5278.1237.5211.6262.4252.7226.0188.4235.8236.1222.5147.7178.8170.5146.8129.6NA130.5NANANA
us-gaap:AccruedIncomeTaxesCurrent ▁▁▁▁▂▃▁█▅▅▃▃▂0.50.50.80.71.02.50.67.04.24.31.92.71.4NANA4.85.1NANA0.81.51.31.89.38.70.00.02.48.4NANANA8.1NANANANANANANANANANANANANANANA
us-gaap:AccruedLiabilitiesCurrent ▅▃▄▄▄▃▄▃▄▃▃▂▄▃▂▂▃▂▂▂▃▃▄▄▄▄▃▃▄▃▄▅▅█▆▅▇▇▄▄▃▂▁163.9134.2157.4150.3157.9136.4146.6129.1157.6138.4131.3107.5148.6128.4118.4110.8139.9116.7119.4110.8139.2137.2155.6159.0152.6144.3137.2138.1148.0138.2146.6163.7168.5230.3186.6179.6217.1208.8158.2146.0124.9115.095.6NA87.6NANANA
us-gaap:ContractWithCustomerLiabilityCurrent ▃▂▁▆▆▅█▆▅▆█▆▅8.66.95.511.312.311.014.511.710.512.314.212.510.4NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LiabilitiesCurrent ▂▁▁▁▅▇▇▆▅▇▇▃▃▄▄▄▄▂▂▁▂▂▃▂▂▂▃▄▅▄▃▅▅█▆▇█▅▂▂▄▃▂306.3269.3265.8264.5452.1516.0499.4466.6416.0517.4498.3363.4363.3401.1387.8381.6396.0322.2312.1264.3298.8315.1335.3324.4322.1322.6365.5389.6430.6391.7361.6427.6421.2557.3476.0518.9554.2431.3305.9324.8395.4361.8325.2NA218.1NANANA
us-gaap:OperatingLeaseLiabilityCurrent ▁▂▅▆▇██▄9.09.310.711.111.511.711.810.2NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAccruedLiabilitiesCurrent ▂▂▁▂▂▂▂▂▂▂▁▁▂▂▂▁▁▃▃▁▁▃▃▄▂▃▂▂▂▄▅█▇▆▅▅▅▅▃▂▂26.124.724.126.527.030.627.625.526.525.622.323.324.428.325.522.322.836.936.221.520.334.935.240.329.835.029.430.431.642.248.674.464.962.853.551.453.353.838.431.730.1NANANA29.1NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
us-gaap:LongTermDebt NA694.3694.0693.8551.8552.4550.6550.9550.6549.0547.7545.5545.7601.3603.3604.8605.0604.1604.0609.6611.3612.9608.4611.0607.1609.8607.1604.2604.3604.3604.3NA604.2NANANA406.9407.2407.4407.9507.8NANANA259.6NANANA
 us-gaap:LongTermDebt us-gaap:DebtInstrument crs:SeniorUnsecuredNotes4.45PercentDueMarch2023NA299.4299.3299.3299.5299.6299.5299.4299.4299.3299.2299.2299.1299.0299.0298.9298.8298.7298.7298.6298.5299.7299.7299.7299.6299.6299.6NA299.6NANANANANANANANANANANANANANANANANANANA
 us-gaap:LongTermDebt us-gaap:DebtInstrument crs:SeniorUnsecuredNotes445PercentDueMarch2023NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:LongTermDebt us-gaap:DebtInstrument crs:SeniorUnsecuredNotes6375PercentDueJuly2028NA394.9394.7394.5NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:LongTermDebt us-gaap:DebtInstrument,us-gaap:LongtermDebtType crs:SeniorUnsecuredNotes6375PercentDueJuly2028,us-gaap:SeniorNotes395.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:LongTermDebt us-gaap:LongtermDebtType us-gaap:SeniorNotes694.5NANANA551.8NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LongTermDebtNoncurrent ████▆▆▆▆▆▆▆▆▆▆▆▆▆▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▃▃▃▄▄▄▄▁▁694.5694.3694.0693.8551.8552.4550.6550.9550.6549.0547.7545.5545.7546.3548.3549.8550.0604.1604.0609.6611.3612.9608.4611.0607.1609.8607.1604.2604.3604.3604.3604.2604.2604.4305.2305.6305.9407.2407.4407.9407.8158.5159.1NA259.6NANANA
us-gaap:DeferredIncomeTaxLiabilitiesNet ▄▃▁▁▁▄▄▄▃▅▄▄▅▁▁█▇156.9150.2127.5130.7130.2151.5151.8154.6142.7159.8155.2155.7161.6130.8128.1191.4184.8NANANA102.4NANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent us-gaap:RetirementPlanType us-gaap:OtherPostretirementBenefitPlansDefinedBenefit98.6NANANA137.4NANANA122.1NANANA108.2NANANA122.6NANANA116.6NANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent us-gaap:RetirementPlanType us-gaap:PensionPlansDefinedBenefit222.6NANANA399.5NANANA371.2NANANA288.8NANANA378.3NANANA509.3NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherLiabilitiesNoncurrent ▇▆█████▇▃▄▃▃▂▂▂▁▂▁▁▁▂▃▃▃▃▃▂▂▁▃▄▅▅▃▄▂▃▃▂▃▄▃▃100.096.3110.5108.1110.5108.5112.2103.365.166.663.158.653.551.650.043.347.843.643.844.151.058.862.160.959.063.353.251.141.057.473.578.183.066.267.852.266.162.156.065.067.264.964.9NA62.8NANANA
us-gaap:OperatingLeaseLiabilityNoncurrent ▁▂▄▆█35.537.242.945.350.3NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo ▁▁▇█8.68.59.79.9NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree ▁▁▇█6.46.47.67.7NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour ▁▁▇█4.14.14.74.8NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive 3.4NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive 20.5NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
us-gaap:StockholdersEquity ▆▆▆▇▇███▇█▇▇▇▆▆▅▅▅▅▅▄▅▅▆▆▆▇▇▇▇▆▆▆▅▅▅▄▅▂▂▂▁▁1392.31381.21332.91407.51445.71618.51603.41577.01520.11557.61505.51490.71485.91371.11336.81231.01198.61161.61130.31120.91104.91187.01228.01277.21325.91399.81476.01485.51504.31425.31376.71342.51303.11218.01187.31165.61103.81214.5767.1742.5765.7651.8613.4NA573.4NANANA
us-gaap:CommonStockValue ████████▇▇▇▇▆▅▅▅▄▄▄▄▄▄▄▄▄▄▄▄▄▄▃▃▂▂▂▂▂▂▂▂▁▁▁280.1280.1280.1280.1280.1280.1280.1279.8279.0279.0279.0278.9278.6277.4277.3277.0276.7276.7276.7276.3276.3276.2276.2276.2276.2276.2276.0275.9275.8275.8275.6275.0274.6274.6274.5274.3274.0274.0274.0273.8273.7273.4273.3NA273.2NANANA
us-gaap:AdditionalPaidInCapitalCommonStock ██▇▇███▇██▇▇▇▆▆▅▅▅▅▄▄▄▄▄▄▄▃▃▄▄▃▃▃▃▃▂▃▃▂▂▂▁▁322.6319.4317.0315.9321.4325.7322.1317.5320.4319.6315.0310.0310.0299.8294.4289.9284.8283.6280.2276.4273.5272.9271.4268.6266.6265.1260.3260.6263.5263.4259.4253.6254.4255.1253.8247.9252.7251.6239.8235.7235.4233.0228.0NA223.3NANANA
us-gaap:RetainedEarningsAccumulatedDeficit ▄▅▅▆▇██▇▇▇▆▆▆▅▅▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▃▃▃▃▂▂▂▂▁▁▁1299.31366.21416.51511.21568.01696.11665.91636.81605.31566.11524.61498.81475.91441.71420.11336.61321.81304.81292.71294.21308.91302.51334.91332.31332.41319.01329.91315.41311.61283.21262.21242.31217.31186.01162.71139.21109.61078.31053.31037.81022.11004.6984.0NA983.2NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax █▆▃▂▁▃▃▄▃▅▅▆▆▄▄▄▃▃▂▂▁▄▃▄▄▄▅▆▆▅▄▄▃▂▂▂▁▆▆▅▇▄▃-192.3-267.0-363.1-380.4-398.0-355.3-336.3-327.6-351.8-271.5-277.5-261.1-239.8-308.0-315.1-331.1-343.1-361.4-376.9-382.4-409.9-320.4-337.6-333.3-328.2-302.9-282.8-268.3-245.2-294.0-317.2-325.1-335.7-387.4-392.1-384.1-412.5-266.5-269.9-274.7-233.3-325.7-338.4NA-371.1NANANA
us-gaap:TreasuryStockValue ▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▄▃▂▁▁▁▁▁▁▁▁▁▁▁▁█████317.4317.5317.6319.3325.8328.1328.4329.5332.8335.6335.6335.9338.8339.8339.9341.4341.6342.1342.4343.6343.9344.2316.9266.6221.1157.6107.498.1101.4103.1103.3103.3107.5110.3111.6111.7120.0122.9530.1530.1532.2533.5533.5NA535.2NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
us-gaap:NetCashProvidedByUsedInOperatingActivities ▅▂▅▅▇▄▃▂█▂▃▂▆▅▃▂▅▄▁▂74.63.883.688.0136.972.321.90.7175.210.037.89.4118.573.424.7-7.493.061.7-29.54.1NANANANANANANANANANANANANANANANANA75.746.2-74.0117.211.1-33.6-30.548.18.2NANA
us-gaap:NetCashProvidedByUsedInInvestingActivities ████▇▆▆▆▆▇▁▆▅▇▇▇█▆█▇-22.0-18.5-22.7-15.7-27.5-49.5-46.8-47.4-49.5-37.4-119.1-38.6-53.5-30.2-26.8-28.9-20.0-47.0-18.5-26.6NANANANANANANANANANANANANANANANANA-58.1-34.43.3-50.221.8-55.728.74.2-82.4NANA
us-gaap:NetCashProvidedByUsedInFinancingActivities ▅▅▅▃▅▆▆▆▁▅█▅▃▄▅▅▄▄▆▅-9.500000000000007-11.099999999999993-9.8-45.7-9.941.433.043.3-116.816.891.1-10.5-56.7-17.2-0.9-4.1-21.8-20.718.1-8.4NANANANANANANANANANANANANANANANANA-161.1-7.1-106.8240.6-7.8-11.0-7.9-27.9-7.9NANA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▅▂▆▄█▆▃▃▃▂▄▁▃43.2-27.252.525.8100.163.15.3-2.48.1-9.611.5-39.29.4NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
us-gaap:AmortizationOfFinancingCosts NANANA0.1NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:DeferredIncomeTaxExpenseBenefit ▄▄▄▄▄▅▅▅▅▅▅▅▅▄▁▅▅▄▅▆▅▄▅▄▄▄█▅▄▅▄▄▃▆▄▅▅▅▅▅▄▅▄▄▅▅-14.3-9.2-6.2-3.9-7.41.52.03.59.52.13.71.27.8-2.7-66.80.64.2-1.71.637.57.4-9.13.5-1.0-8.0-1.166.92.6-11.72.70.0-0.7-27.937.6-0.40.118.64.67.56.1-0.90.1-0.5-3.74.23.9NANA
us-gaap:DepreciationDepletionAndAmortization ██▆▇██▇▇▇▇▇▇▇▇▇▆▆▇▇▆▇▇▇▇█▇▇▇▇▆▅▅▅▅▅▅▅▂▁▁32.032.028.630.931.731.230.530.630.630.830.329.729.429.229.228.729.030.029.928.929.329.630.329.931.130.730.130.331.027.526.826.727.026.125.525.525.321.318.618.5NANANANANANANANA
us-gaap:IncreaseDecreaseInAccountsPayable ▆▇▅▅▁▄▄▆▅▅▆█▅▆▅▆▆▇▆▅▅▆▄▆▅▅▄▆▆█▃▆▇▇▃▅▆▆▄▆▇▆▄▇▆█4.231.3-5.7-7.4-83.0-25.9-19.018.0-16.5-16.25.347.5-6.25.1-4.115.91.923.417.9-0.7-1.011.0-20.12.5-17.6-14.3-29.31.316.341.7-50.89.626.937.5-47.5-0.514.017.7-30.89.323.216.8-28.422.97.341.7NANA
us-gaap:IncreaseDecreaseInAccountsReceivable ▆▇▄▃▁▄▄▅▄▇▃▅▆▇▅▅▅▅▅▄▄▅▄▄▄▅▄▄▆▇▄▂▄█▃▃▆▆▄▅▃█▄▅▄█28.750.4-22.2-42.0-82.7-2.6-7.12.1-6.851.5-42.93.532.450.62.61.219.615.812.4-13.2-15.60.8-9.0-24.4-18.816.1-6.5-16.224.448.8-21.1-57.7-11.969.1-33.7-36.127.825.8-21.7-0.8-26.879.2-4.18.6-4.768.5NANA
us-gaap:IncreaseDecreaseInInventories ▃▄▂▂▁▄▇▆▂▅█▆▃▃▆▆▄▅▆▆▄▄▅▆▃▃▆▆▄▅▅▆▄▃▅▇▄▅▅█▅▅▆▇▅▅-56.6-26.1-70.9-84.9-114.7-23.057.151.1-74.317.4100.450.5-41.5-40.435.246.3-14.414.840.733.5-19.6-16.81.833.0-54.4-43.831.430.8-23.61.311.947.4-26.8-47.110.178.7-33.30.315.494.95.3-5.749.966.69.28.1NANA
us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet ▄▄▃▄▆▁▃▅▆▄▁▄▄▃▄▄▁▅▅▂▇▂▅▁▃▂▃▄▄▃▄▅▄▅▅▃▂▄▂▂▁▄▄▂▆█1.01.3-0.40.74.1-3.3-0.93.14.42.0-2.82.10.60.20.61.0-3.33.83.7-1.55.6-1.82.3-3.40.1-2.3-0.92.21.50.21.92.51.32.62.8-0.3-1.01.1-1.4-1.0-2.91.91.8-1.65.07.8NANA
us-gaap:NetCashProvidedByUsedInOperatingActivities ▅▂▅▅▇▄▃▂█▂▃▂▆▅▃▂▅▄▁▂74.63.883.688.0136.972.321.90.7175.210.037.89.4118.573.424.7-7.493.061.7-29.54.1NANANANANANANANANANANANANANANANANA75.746.2-74.0117.211.1-33.6-30.548.18.2NANA
us-gaap:NetIncomeLoss ▄▄▂▄▁█▇███▇-57.1-40.5-84.9-47.1-118.439.938.841.248.951.135.5NANANANANANANANANANANANANANANANA13.538.130.629.534.640.932.933.039.240.833.023.623.825.528.69.37.625.52.13.57.6
 us-gaap:NetIncomeLoss us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:StatementEquityComponents us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:AccumulatedDefinedBenefitPlansAdjustment█▁▇▇████-2.7-11.7-3.6-3.6-3.2-3.1-3.0-3.0NA-1.7-1.7NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NetIncomeLoss us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:StatementEquityComponents us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:AccumulatedGainLossNetCashFlowHedgeParent▁▃▄▅▄▄▅█0.11.12.02.21.51.82.34.0NA1.80.5NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings▄▄▂▄▁█▇███▇-57.1-40.5-84.9-47.1-118.439.938.841.248.951.135.5NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ShareBasedCompensation ▅▅▅▅▁▇▇▇█▇█▆██▇▇▆▆▆▆▅▅▅▅▆▇▂▅▅▆▆▆2.62.42.72.7-1.53.94.44.14.94.65.13.04.84.73.94.23.03.53.53.01.91.92.22.73.24.6-0.32.52.43.12.83.1NANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
us-gaap:NetCashProvidedByUsedInInvestingActivities ████▇▆▆▆▆▇▁▆▅▇▇▇█▆█▇-22.0-18.5-22.7-15.7-27.5-49.5-46.8-47.4-49.5-37.4-119.1-38.6-53.5-30.2-26.8-28.9-20.0-47.0-18.5-26.6NANANANANANANANANANANANANANANANANA-58.1-34.43.3-50.221.8-55.728.74.2-82.4NANA
us-gaap:PaymentsToAcquireProductiveAssets ▂▂▂▃▂▄▄▄▄▄▃▃▄▂▂▂▃▂▂▂▂▂▂▂▂▂▅▄▄▇▇██▆▆▄▅▄▃▂▃▂▁▁▂▁22.018.626.633.327.449.746.747.549.649.040.141.654.125.226.828.935.418.018.526.629.116.619.629.918.224.868.459.051.093.697.6114.9113.483.680.556.464.647.033.027.344.017.99.68.117.18.0NANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
us-gaap:NetCashProvidedByUsedInFinancingActivities ▅▅▅▃▅▆▆▆▁▅█▅▃▄▅▅▄▄▆▅-9.500000000000007-11.099999999999993-9.8-45.7-9.941.433.043.3-116.816.891.1-10.5-56.7-17.2-0.9-4.1-21.8-20.718.1-8.4NANANANANANANANANANANANANANANANANA-161.1-7.1-106.8240.6-7.8-11.0-7.9-27.9-7.9NANA
us-gaap:PaymentsOfDividends █████████▇█▇▄▄▄▄▃▄▃▃▃▃▅▅▅▇█▇█▇▇▇▇▇▇▇▇▁▂▂▁▂▁▁▁▁9.89.89.89.79.79.79.79.79.79.69.79.68.68.68.68.68.58.68.58.58.58.48.99.09.19.59.79.69.79.69.69.69.69.69.59.69.58.08.18.18.08.18.08.08.07.9NANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument crs:SeniorUnsecuredNotes445PercentDueMarch2023NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument crs:SeniorUnsecuredNotes6375PercentDueJuly2028NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value280280280280280280280279279279279278278277277277276276276276276276276276276276276275275275275275274274274274274274274273273273273273
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.49.39.29.08.78.28.28.48.88.68.89.39.39.39.49.69.69.810.09.89.99.99.79.69.59.39.09.29.09.39.59.49.59.410.610.510.410.614.614.613.716.016.817.3

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesIssued


Common
Period End2021-06-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value5656565655555555555555555555555555555555555555555555555555545454545454545454545454
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStockSharesOutstanding


Common
Period End2021-06-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-302009-06-302008-06-30
Value48474747474747474747464646464646464646474950515353535353525252525252524444444444434445
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockSharesOutstanding us-gaap:StatementEquityComponents

us-gaap:CommonStock


Common
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-302013-06-302012-06-302011-06-302010-06-302009-06-30
Value56565555555555555454545454
Percentage of CommonStockSharesOutstanding116.6117.1117.6118.1118.4118.6109.8103.8104.1104.6124.1124.3124.0

us-gaap:TreasuryStock


Common
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-302013-06-302012-06-302011-06-302010-06-302009-06-30
Value7.9839438.162288.33838-8.5204858.5964788.6544444.916698-2.024731-2.152275-2.396768-10.622911-10.677317-10.585817
Percentage of CommonStockSharesOutstanding16.617.117.6-18.118.418.69.8-3.8-4.1-4.6-24.1-24.3-24.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
Value484848484848484848484747474747474647474849515253535353535353535353534745454544444444444443
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
Value484848484847474747474747474747474646474849505253535353535352525252524744444444444444444443
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

crs:EmployeeAndDirectorsStockOptions


Antidilutive
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-312018-12-312018-09-302018-03-312017-12-312017-09-302017-03-312016-12-312016-09-302016-03-312015-12-312015-09-302015-03-312014-12-312014-09-302014-03-312013-12-312013-09-302013-03-312012-12-31
Value1900000.02200000.02100000.02000000.0600000.0800000.0800000.0800000.0100000.0700000.0600000.01800000.02000000.02000000.01800000.01600000.01500000.01300000.01100000.0700000.0300000.0100000.00200000.0200000.0300000.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
Value-1.18-0.84-1.76-0.98-2.450.820.80.851.011.060.730.660.90.631.930.490.540.440.15-0.130.32-0.510.230.180.44-0.030.450.250.710.570.550.650.770.620.620.740.770.690.530.530.570.640.210.170.130.050.08-0.21
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
Value-1.18-0.84-1.76-0.98-2.440.820.790.851.01.050.730.650.880.631.920.490.540.440.15-0.130.32-0.510.230.180.44-0.030.450.250.710.570.550.650.770.620.620.740.770.690.520.530.570.640.210.170.130.050.08-0.21
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value1755-67.6-29.5-161.1203065-31.457198653374592372567-105.13628-17.6117412227-65.32310
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.025000.067600.00.018150.09466.7-5866.70.013766.711250.09033.30.00.00.0

Cost Of Goods And Services Sold

us-gaap:CostOfGoodsAndServicesSold

us-gaap:CostOfGoodsAndServicesSold


Cost
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value336342349475460472518486449480503476402394415390364343384386377387469494463480498471408395491480430435523434346333406391326301320290228
Percentage of CostOfGoodsAndServicesSold100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating0.00.00.00.00.00.00.00.00.0480700.00.00.00.00.00.00.00.0343000.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0430900.0435600.00.0217400.0115600.0111000.00.0130366.7163250.0100633.30.00.00.0

us-gaap:CostOfGoodsAndServicesSold us-gaap:DerivativeInstrumentRisk, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:CommodityContract, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Cost
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-312018-12-312018-09-302018-03-312017-12-312017-09-30
Value1.42.42.82.22.84.82.10.2-2.02.5-0.2-2.6
Percentage of CostOfGoodsAndServicesSold0.40.70.80.50.61.00.40.0-0.40.5-0.0-0.7
Percentage of InterestIncomeOperating0.00.00.00.00.00.00.00.0-2000.00.00.00.0
Percentage of InterestIncomeOperating us-gaap:CommodityContract us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.0

Gains Losses On Extinguishment Of Debt

us-gaap:GainsLossesOnExtinguishmentOfDebt

us-gaap:GainsLossesOnExtinguishmentOfDebt


Gains
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value0.00.00.0-8.20.00.0
Percentage of GainsLossesOnExtinguishmentOfDebt0.00.00.0100.00.00.0
Percentage of InterestIncomeOperating0.00.00.00.00.00.0

us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:DebtInstrument

crs:SeniorUnsecuredNotes5.20PercentDueJuly2021


Gains
Period End2021-06-302021-03-312020-12-312020-09-30
Value210.00.0-10.5
Percentage of GainsLossesOnExtinguishmentOfDebt0.00.00.0128.0
Percentage of InterestIncomeOperating0.00.00.00.0
Percentage of InterestIncomeOperating crs:SeniorUnsecuredNotes5.20PercentDueJuly20210.00.00.00.0

Gross Profit

us-gaap:GrossProfit

us-gaap:GrossProfit


Gross
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
Value-21.3126.03.5-5.410911211212212310791114968585928362467347666888758569105949510312010110210912010584817773494943463519
Percentage of GrossProfit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating0.00.00.00.00.00.00.00.00.00.00.091700.00.00.00.00.00.00.00.046000.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0102600.0109300.00.052550.028100.027033.30.024366.724550.016600.00.00.00.00.0

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value-79.0-57.2-95.6-66.0-148.4495054626845405337333538298.3-5.323-33.0151633-2.33820544644515949495962513836
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating0.00.00.00.00.00.00.00.00.00.00.040300.00.00.00.00.00.00.00.0-5300.00.00.00.00.00.00.00.00.00.00.00.00.00.00.049600.059100.00.025900.012833.312100.0

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

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Income
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-312018-12-312016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value-13.1-4.7-4.7-4.0-4.0-4.0-2.2-2.2-6.0-6.0-6.0-4.6-4.8-4.8-4.8-5.8-5.9-5.9-5.9
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest22.94.97.1-8.0-7.9-7.4-3.2-4.918.2-39.7-37.3-13.8208.7-12.6-24.0-10.7-12.8-13.3-11.5
Percentage of InterestIncomeOperating0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of InterestIncomeOperating us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Income
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-312018-12-31
Value1.52.52.92.43.05.32.40.6
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest-2.6-2.6-4.44.85.99.83.51.3
Percentage of InterestIncomeOperating0.00.00.00.00.00.00.00.0
Percentage of InterestIncomeOperating us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.0

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value-21.9-16.7-10.7-18.9-30.010.0111213169.78.8107.5-58.411128.41.30.98.4-9.13.67.210-0.9146.51615141618161619211814127.73.11.43.90.87.80.7
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating0.00.00.00.00.00.00.00.00.00.00.08800.00.00.00.00.00.00.00.0900.00.00.00.00.00.00.00.00.00.00.00.00.00.00.016400.019600.00.09400.04900.04200.00.01033.3700.01300.00.00.00.0

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

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-03-312018-12-312016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value-3.4-1.4-1.1-1.1-0.8-0.9-1.0-1.0-0.5-0.5-2.2-2.3-2.3-1.6-1.8-1.9-1.8-2.3-2.2-2.0-2.3
Percentage of IncomeTaxExpenseBenefit15.58.410.35.82.7-9.0-8.5-7.8-3.0-5.224.2-63.9-31.9-14.8200.0-13.5-27.7-14.2-14.1-13.4-13.6
Percentage of InterestIncomeOperating0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of InterestIncomeOperating us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-03-312018-12-31
Value0.00.40.50.70.50.60.71.30.60.1
Percentage of IncomeTaxExpenseBenefit-0.0-2.4-4.7-3.7-1.76.06.010.13.61.0
Percentage of InterestIncomeOperating0.00.00.00.00.00.00.00.00.00.0
Percentage of InterestIncomeOperating us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.0

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value9.2000000000000038.97.9144.24.95.35.45.77.17.06.36.37.57.37.27.37.77.47.37.27.27.06.66.87.16.87.06.22.73.74.46.35.04.45.25.45.65.87.04.24.44.34.24.54.54.5
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating0.00.00.00.00.00.00.00.00.00.00.06300.00.00.00.00.00.00.00.07300.00.00.00.00.00.00.00.00.00.00.00.00.00.00.04400.05200.00.02800.01933.32333.30.01466.72150.01400.00.00.00.0

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
Value-57.1-40.5-84.9-47.1-118.43938414851351338302934403233394033232325289.37.6252.13.57.6
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.040900.00.033000.039200.040800.016500.07866.77933.38500.09533.34650.02533.30.00.00.00.0

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

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-03-312018-12-31
Value-2.7-11.7-3.6-3.6-3.2-3.1-3.0-3.0-1.7-1.7
Percentage of NetIncomeLoss4.728.94.27.62.7-7.8-7.7-7.3-3.3-4.8
Percentage of InterestIncomeOperating0.00.00.00.00.00.00.00.00.00.0
Percentage of InterestIncomeOperating us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.0

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-03-312018-12-31
Value0.11.12.02.21.51.82.34.01.80.5
Percentage of NetIncomeLoss-0.2-2.7-2.4-4.7-1.34.55.99.73.51.4
Percentage of InterestIncomeOperating0.00.00.00.00.00.00.00.00.00.0
Percentage of InterestIncomeOperating us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value-57.1-40.5-84.9-47.1-118.4393841485135
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating0.00.00.00.00.00.00.00.00.00.00.0
Percentage of InterestIncomeOperating us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.0

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
Value-70.8-40.0-89.0-48.8-148.258555967735545594540414435151.429-24.32124394.845225949475565535261665543443535121410122.0-13.3
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating0.00.00.00.00.00.00.00.00.00.00.045000.00.00.00.00.00.00.00.01400.00.00.00.00.00.00.00.00.00.00.00.00.065400.00.052700.061600.066500.027850.014633.314666.711666.711733.36050.04700.00.00.00.00.0

us-gaap:OperatingIncomeLoss us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value-20.9-26.3-70.6-26.6-146.2-17.8-21.9-19.1-21.2-17.3-18.4-15.8-21.5-18.0-13.9-12.9-15.7-15.8-16.0-13.8-13.7-64.5-12.7-12.0-16.1-38.6-7.0-10.3-10.1-9.5-11.3-12.9-16.4-10.3-10.6
Percentage of OperatingIncomeLoss29.565.879.354.598.7-30.3-39.8-31.9-31.2-23.6-33.2-35.1-36.2-39.8-34.1-30.9-35.2-44.1-103.9-985.7-46.9265.4-58.3-48.4-40.8-804.2-15.6-46.6-17.1-19.2-23.8-23.1-25.1-19.4-20.1
Percentage of InterestIncomeOperating0.00.00.00.00.00.00.00.00.00.00.0-15800.00.00.00.00.00.00.00.0-13800.00.00.00.00.00.00.00.00.00.00.00.00.0-16400.00.0-10600.0
Percentage of InterestIncomeOperating us-gaap:CorporateNonSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:IntersegmentElimination


Operating
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value-0.3-0.50.41.10.40.2-0.10.40.30.40.7-0.70.3-2.1-0.70.40.60.60.10.50.30.70.90.5-0.6-1.60.50.10.3-0.4-0.60.50.3-0.4
Percentage of OperatingIncomeLoss0.41.2-0.4-0.70.70.4-0.20.60.40.71.6-1.20.7-5.1-1.70.91.73.97.11.7-1.23.23.61.3-12.5-3.62.30.20.6-0.8-1.10.80.6-0.8
Percentage of InterestIncomeOperating0.00.00.00.00.00.00.00.00.00.0700.00.00.00.00.00.00.00.0100.00.00.00.00.00.00.00.00.00.00.00.00.0500.00.0-400.0
Percentage of InterestIncomeOperating us-gaap:IntersegmentElimination0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:OperatingSegments, crs:PerformanceEngineeredProductsSegment


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value-2.3-3.3-7.2-3.6-8.4-0.30.4-2.01.7164.47.38.05.47.55.35.84.70.8-2.8-1.3-0.9-2.9-0.48.38.5129.712138.6118.91110
Percentage of OperatingIncomeLoss3.28.28.17.45.7-0.50.7-3.32.522.77.916.213.511.918.412.713.013.15.2-200.0-4.53.7-13.3-1.621.0177.128.043.920.626.518.120.813.621.519.7
Percentage of InterestIncomeOperating0.00.00.00.00.00.00.00.00.00.00.07300.00.00.00.00.00.00.00.0-2800.00.00.00.00.00.00.00.00.00.00.00.00.08900.00.010400.0
Percentage of InterestIncomeOperating us-gaap:OperatingSegments crs:PerformanceEngineeredProductsSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, crs:SpecialtyAlloysOperationsSegment


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value-47.3-9.9-11.6-18.65.3767681867369527458495059513525484541414937432463515463805961
Percentage of OperatingIncomeLoss66.824.813.038.1-3.6130.2138.7135.5128.0100.5124.5117.3124.7128.3122.1121.1133.9145.0231.21785.7166.4-187.7190.4165.7124.6789.696.4111.3106.4104.2114.5114.2122.9112.5116.3
Percentage of InterestIncomeOperating0.00.00.00.00.00.00.00.00.00.00.052800.00.00.00.00.00.00.00.025000.00.00.00.00.00.00.00.00.00.00.00.00.080400.00.061300.0
Percentage of InterestIncomeOperating us-gaap:OperatingSegments crs:SpecialtyAlloysOperationsSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:OtherNonoperatingIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value1.0-8.31.3-2.34.0-3.90.8-0.30.51.9-3.21.60.50.00.20.70.81.00.30.61.3-1.50.3-2.10.50.00.04.91.3-0.60.60.1-0.11.21.32.70.91.70.4-0.72.81.13.01.61.01.66.7
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating0.00.00.00.00.00.00.00.00.00.00.01600.00.00.00.00.00.00.00.0600.00.00.00.00.00.00.00.00.00.00.00.00.0-100.00.01300.02700.0900.0850.0133.3-233.3933.3366.71500.0533.30.00.00.0

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

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, crs:AccumulatedDefinedBenefitPlansAdjustmentNetSettlementChargeAttributableToParent


Other
Period End2021-06-302021-03-31
Value-2.5-8.9
Percentage of OtherNonoperatingIncomeExpense-250.0107.2
Percentage of InterestIncomeOperating0.00.0
Percentage of InterestIncomeOperating us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome crs:AccumulatedDefinedBenefitPlansAdjustmentNetSettlementChargeAttributableToParent0.00.0

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceCostCredit


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-03-312018-12-31
Value0.20.50.50.50.50.50.50.50.80.8
Percentage of OtherNonoperatingIncomeExpense20.0-6.038.5-21.712.5-12.862.5-166.742.1-25.0
Percentage of InterestIncomeOperating0.00.00.00.00.00.00.00.00.00.0
Percentage of InterestIncomeOperating us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceCostCredit0.00.00.00.00.00.00.00.00.00.0

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLoss


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-03-312018-12-31
Value-3.8-4.7-5.2-5.2-4.5-4.5-4.5-4.5-3.0-3.0
Percentage of OtherNonoperatingIncomeExpense-380.056.6-400.0226.1-112.5115.4-562.51500.0-157.993.8
Percentage of InterestIncomeOperating0.00.00.00.00.00.00.00.00.00.0
Percentage of InterestIncomeOperating us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLoss0.00.00.00.00.00.00.00.00.00.0

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
Value421351348353437585573585641609556572618572487479507473427389457456443455558570548549604566503498611581533544643539431414483464375351364336263233
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating0.00.00.00.00.00.00.00.00.00.00.0572400.00.00.00.00.00.00.00.0389000.00.00.00.00.00.00.00.00.00.00.00.00.0611800.00.0533500.0544900.0643700.0269950.0143700.0138033.3161200.0154733.3187800.0117233.30.00.00.00.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems

us-gaap:IntersegmentElimination


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value-17.3-13.4-6.4-9.2-9.2-11.3-16.0-15.1-16.9-17.1-18.0-14.8-16.5-18.1-23.3-17.7-13.1-8.4-4.4-4.6-7.0-5.6-5.2-8.5-8.3-19.6-23.6-16.1-18.8-15.8-17.7-14.8-14.3-15.2-21.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-4.1-3.8-1.8-2.6-2.1-1.9-2.8-2.6-2.6-2.8-3.2-2.6-2.7-3.2-4.8-3.7-2.6-1.8-1.0-1.2-1.5-1.2-1.2-1.9-1.5-3.4-4.3-2.9-3.1-2.8-3.5-3.0-2.3-2.6-4.0
Percentage of InterestIncomeOperating0.00.00.00.00.00.00.00.00.00.00.0-14800.00.00.00.00.00.00.00.0-4600.00.00.00.00.00.00.00.00.00.00.00.00.0-14300.00.0-21500.0
Percentage of InterestIncomeOperating us-gaap:IntersegmentElimination0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:OperatingSegments, crs:PerformanceEngineeredProductsSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value776554617710810610912612811211111610710410010698837890918591113120133129136130113118133125126
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax18.418.715.717.517.618.618.518.719.721.120.319.518.818.921.521.020.920.819.520.219.820.019.220.120.421.124.423.622.523.022.623.821.721.623.7
Percentage of InterestIncomeOperating0.00.00.00.00.00.00.00.00.00.00.0111700.00.00.00.00.00.00.00.078500.00.00.00.00.00.00.00.00.00.00.00.00.0133000.00.0126600.0
Percentage of InterestIncomeOperating us-gaap:OperatingSegments crs:PerformanceEngineeredProductsSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, crs:SpecialtyAlloysOperationsSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value361299300300369488483491531498461475518482406396414383348315374370363372452469438436487452407394493471428
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax85.785.186.185.184.583.484.383.982.981.782.983.183.984.383.382.781.780.981.681.081.881.281.981.881.182.379.979.380.679.880.979.280.681.080.3
Percentage of InterestIncomeOperating0.00.00.00.00.00.00.00.00.00.00.0475500.00.00.00.00.00.00.00.0315100.00.00.00.00.00.00.00.00.00.00.00.00.0493100.00.0428400.0
Percentage of InterestIncomeOperating us-gaap:OperatingSegments crs:SpecialtyAlloysOperationsSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService

crs:AerospaceAndDefenseMarkets


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value201163174172255356348353376342299310335323264258
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax47.846.350.048.758.460.960.960.458.656.153.754.354.256.654.353.9
Percentage of InterestIncomeOperating0.00.00.00.00.00.00.00.00.00.00.0310700.00.00.00.00.0
Percentage of InterestIncomeOperating crs:AerospaceAndDefenseMarkets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

crs:DistributionMarket


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value27262220192927303236333437352929
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.47.66.45.94.35.14.85.25.06.06.15.96.06.26.06.2
Percentage of InterestIncomeOperating0.00.00.00.00.00.00.00.00.00.00.034000.00.00.00.00.0
Percentage of InterestIncomeOperating crs:DistributionMarket0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

crs:EnergyMarket


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value17232225323231394549424446363132
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.26.66.37.17.45.65.46.77.18.07.77.77.56.46.56.7
Percentage of InterestIncomeOperating0.00.00.00.00.00.00.00.00.00.00.044300.00.00.00.00.0
Percentage of InterestIncomeOperating crs:EnergyMarket0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

crs:IndustrialAndConsumerMarkets


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value856766736480787390879796107908384
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax20.319.118.920.814.813.713.612.514.114.317.516.817.415.717.017.6
Percentage of InterestIncomeOperating0.00.00.00.00.00.00.00.00.00.00.096100.00.00.00.00.0
Percentage of InterestIncomeOperating crs:IndustrialAndConsumerMarkets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

crs:MedicalMarket


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value43353232465349485755454749454238
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.39.99.39.310.59.18.68.48.99.08.28.28.07.98.88.0
Percentage of InterestIncomeOperating0.00.00.00.00.00.00.00.00.00.00.047000.00.00.00.00.0
Percentage of InterestIncomeOperating crs:MedicalMarket0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

crs:TransportationMarket


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value46363129203338403939374043413536
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.110.59.18.24.65.76.76.86.26.56.87.07.07.37.37.6
Percentage of InterestIncomeOperating0.00.00.00.00.00.00.00.00.00.00.040300.00.00.00.00.0
Percentage of InterestIncomeOperating crs:TransportationMarket0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementGeographical

country:CA


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value8.79.37.17.89.81516131717141718171416
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.12.62.02.22.22.62.82.32.72.92.73.13.03.02.93.4
Percentage of InterestIncomeOperating0.00.00.00.00.00.00.00.00.00.00.017700.00.00.00.00.0
Percentage of InterestIncomeOperating country:CA0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

country:MX


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value14111013111715211622202221171111
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.33.13.13.72.73.02.73.72.53.73.73.93.43.02.32.5
Percentage of InterestIncomeOperating0.00.00.00.00.00.00.00.00.00.00.022200.00.00.00.00.0
Percentage of InterestIncomeOperating country:MX0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

country:US


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value269224208224269367370384423414385384407374327319
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax63.863.859.763.661.762.864.765.766.067.969.267.166.065.567.166.7
Percentage of InterestIncomeOperating0.00.00.00.00.00.00.00.00.00.00.0384000.00.00.00.00.0
Percentage of InterestIncomeOperating country:US0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

crs:OtherCountry


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value10.05.95.88.59.5128.91011109.09.9149.210.09.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.41.71.72.42.22.21.61.81.71.81.61.72.41.62.11.9
Percentage of InterestIncomeOperating0.00.00.00.00.00.00.00.00.00.00.09900.00.00.00.00.0
Percentage of InterestIncomeOperating crs:OtherCountry0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

srt:AsiaPacific


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value62454837536267535647434850454037
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.713.014.010.712.310.711.89.18.97.77.98.58.27.98.47.9
Percentage of InterestIncomeOperating0.00.00.00.00.00.00.00.00.00.00.048600.00.00.00.00.0
Percentage of InterestIncomeOperating srt:AsiaPacific0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

srt:Europe


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value5755686182109931011169783901051088484
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.715.819.517.418.918.716.417.318.116.015.015.717.018.917.317.7
Percentage of InterestIncomeOperating0.00.00.00.00.00.00.00.00.00.00.090000.00.00.00.00.0
Percentage of InterestIncomeOperating srt:Europe0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
Value421351348353437585573585641609556572618572487479507473427389457456443455558570548549604566503498611581533544643539431414483464375351364336263233
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating0.00.00.00.00.00.00.00.00.00.00.0572400.00.00.00.00.00.00.00.0389000.00.00.00.00.00.00.00.00.00.00.00.00.0611800.00.0533500.0544900.0643700.0269950.0143700.0138033.3161200.0154733.3187800.0117233.30.00.00.00.0

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:SellingGeneralAndAdministrativeExpense


Selling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value4747424242505552555051465550444344474744444144434545404746454747554849475341383538373735333333
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating0.00.00.00.00.00.00.00.00.00.00.046700.00.00.00.00.00.00.00.044600.00.00.00.00.00.00.00.00.00.00.00.00.055100.00.049900.047700.053900.020750.012666.711900.012966.712633.318500.011900.00.00.00.0

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value29713011304331283227342934033341318732403161300730072991294428922878282227772814279427862840287129052967305530123057296428952925288229162582260326272596187418751991170616301583
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-06-30
Value402362510471428311233216192176173158193164148139167123119166151107929112510314080144101111233
Percentage of Assets13.512.016.815.113.39.16.86.56.05.55.55.36.45.55.04.85.84.44.35.95.43.93.33.24.33.54.62.74.73.43.88.1
Percentage of Assets13.512.016.815.113.39.16.86.56.05.55.55.36.45.55.04.85.84.44.35.95.43.93.33.24.33.54.62.74.73.43.88.1
Percentage of Assets us-gaap:CorporateNonSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IntersegmentElimination


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-06-30
Value0.4-30.2-13.9-15.9-9.2-12.9-4.3-21.5-18.7-14.7-11.0-10.2-11.9-7.4-17.9-15.9-15.5-14.9-18.2-21.3-29.3-35.5-37.7-40.0-41.3-39.6-34.0-33.5-33.9-42.5-51.0-42.0
Percentage of Assets0.0-1.0-0.5-0.5-0.3-0.4-0.1-0.6-0.6-0.5-0.3-0.3-0.4-0.2-0.6-0.5-0.5-0.5-0.7-0.8-1.0-1.3-1.3-1.4-1.4-1.3-1.1-1.1-1.1-1.4-1.8-1.5
Percentage of Assets0.0-1.0-0.5-0.5-0.3-0.4-0.1-0.6-0.6-0.5-0.3-0.3-0.4-0.2-0.6-0.5-0.5-0.5-0.7-0.8-1.0-1.3-1.3-1.4-1.4-1.3-1.1-1.1-1.1-1.4-1.8-1.5
Percentage of Assets us-gaap:IntersegmentElimination100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:OperatingSegments, crs:PerformanceEngineeredProductsSegment


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-06-30
Value418446459502548682695704664673657540513503475459434453408415415423475494499515510499491497499498
Percentage of Assets14.114.815.116.117.019.920.421.120.920.820.818.017.116.816.215.915.116.114.714.814.915.216.717.217.217.416.716.616.116.817.317.3
Percentage of Assets14.114.815.116.117.019.920.421.120.920.820.818.017.116.816.215.915.116.114.714.814.915.216.717.217.217.416.716.616.116.817.317.3
Percentage of Assets us-gaap:OperatingSegments crs:PerformanceEngineeredProductsSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, crs:SpecialtyAlloysOperationsSegment


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-06-30
Value21502232208821702259244824792442234924052341231923122330233723102292226122672254225622912309232423232387243724662454240823352192
Percentage of Assets72.474.168.669.470.071.472.873.173.774.274.177.176.977.979.479.979.680.181.680.180.882.281.381.079.980.579.881.980.381.280.776.1
Percentage of Assets72.474.168.669.470.071.472.873.173.774.274.177.176.977.979.479.979.680.181.680.180.882.281.381.079.980.579.881.980.381.280.776.1
Percentage of Assets us-gaap:OperatingSegments crs:SpecialtyAlloysOperationsSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value15781629171117211781181018001764166716821656151715211620160716611679166016471693168915991612159315801567157915261553153915181583157916981394142715141372109811231215104410071009
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets53.154.156.255.055.252.852.952.852.351.952.450.450.654.254.657.458.458.859.360.260.557.456.855.554.452.851.750.750.851.952.554.154.858.254.054.857.652.858.659.961.061.261.863.8

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value29713011304331283227342934033341318732403161300730072991294428922878282227772814279427862840287129052967305530123057296428952925288229162582260326272596187418751991170616301583
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value13921381133214071445161816031577152015571505149014851371133612311198116111301120110411871228127713251399147614851504142513761342130312181187116511031214767742765651613573
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets46.945.943.845.044.847.247.147.247.748.147.649.649.445.845.442.641.641.240.739.839.542.643.244.545.647.248.349.349.248.147.545.945.241.846.044.842.046.840.939.638.438.237.636.2

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-159.1-229.0-327.1-330.7-334.3-284.2-287.3-290.3-293.3-215.3-217.0-218.7-220.4
Percentage of StockholdersEquity-11.4-16.6-24.5-23.5-23.1-17.6-17.9-18.4-19.3-13.8-14.4-14.7-14.8
Percentage of Assets-5.4-7.6-10.7-10.6-10.4-8.3-8.4-8.7-9.2-6.6-6.9-7.3-7.3
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value6.93.82.1-2.8-11.1-16.1-7.211-14.8-12.4-15.6-0.223
Percentage of StockholdersEquity0.50.30.2-0.2-0.8-1.0-0.40.8-1.0-0.8-1.0-0.01.6
Percentage of Assets0.20.10.1-0.1-0.3-0.5-0.20.4-0.5-0.4-0.5-0.00.8
Percentage of Assets us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-192.3-267.0-363.1-380.4-398.0-355.3-336.3-327.6-351.8-271.5-277.5-261.1-239.8
Percentage of StockholdersEquity-13.8-19.3-27.2-27.0-27.5-22.0-21.0-20.8-23.1-17.4-18.4-17.5-16.1
Percentage of Assets-6.5-8.9-11.9-12.2-12.3-10.4-9.9-9.8-11.0-8.4-8.8-8.7-8.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-40.1-41.8-38.1-46.9-52.6-55.0-41.8-49.2-43.7-43.8-44.9-42.2-42.9
Percentage of StockholdersEquity-2.9-3.0-2.9-3.3-3.6-3.4-2.6-3.1-2.9-2.8-3.0-2.8-2.9
Percentage of Assets-1.3-1.4-1.3-1.5-1.6-1.6-1.2-1.5-1.4-1.4-1.4-1.4-1.4
Percentage of Assets us-gaap:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value322319317315321325322317320319315310310
Percentage of StockholdersEquity23.223.123.822.422.220.120.120.121.120.520.920.820.9
Percentage of Assets10.910.610.410.110.09.59.59.510.19.910.010.310.3
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value280280280280280280280279279279279278278
Percentage of StockholdersEquity20.120.321.019.919.417.317.517.718.417.918.518.718.7
Percentage of Assets9.49.39.29.08.78.28.28.48.88.68.89.39.3
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value1299136614161511156816961665163616051566152414981475
Percentage of StockholdersEquity93.398.9106.3107.4108.5104.8103.9103.8105.6100.5101.3100.599.3
Percentage of Assets43.745.446.548.348.649.548.949.050.448.348.249.849.1
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-317.4-317.5-317.6-319.3-325.8-328.1-328.4-329.5-332.8-335.6-335.6-335.9-338.8
Percentage of StockholdersEquity-22.8-23.0-23.8-22.7-22.5-20.3-20.5-20.9-21.9-21.5-22.3-22.5-22.8
Percentage of Assets-10.7-10.5-10.4-10.2-10.1-9.6-9.6-9.9-10.4-10.4-10.6-11.2-11.3
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets Current

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value11171150115211871266137713571309123613091261118811781191115911111093105110261043101010161036104710701118119211521194114911231223128114001127119112491253103410491157894818820
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets37.638.237.938.039.240.239.939.238.840.439.939.539.239.839.438.438.037.336.937.136.236.536.536.536.837.739.038.339.138.838.841.844.548.043.745.847.648.355.255.958.152.450.251.8

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-06-302008-06-30
Value28724427121819393292427182817564620246616225082232130702928661208510620125729463112211175318314492184157258265243327340403
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.78.18.97.06.02.70.90.70.80.60.90.61.91.60.70.92.30.60.81.82.90.80.71.12.41.00.92.23.92.93.76.98.910.12.44.38.06.717.016.824.710.89.60.016.80.00.00.00.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-06-302016-06-30
Value2872442712181939329242718281756466682
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.78.18.97.06.02.70.90.70.80.60.90.61.91.62.32.9

Accounts Receivable Net Current

us-gaap:AccountsReceivableNetCurrent

us-gaap:AccountsReceivableNetCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value308279230250292374378383384390339381378349297294290267250240253271268278304318309319339314266286342353286319354330229253259285202188
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.49.37.68.09.110.911.111.512.012.010.712.712.611.710.110.210.19.59.08.69.19.79.49.710.510.710.110.611.110.69.29.811.912.111.112.313.512.712.213.513.016.712.411.9

Inventory Net

us-gaap:InventoryNet

us-gaap:InventoryNet


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value425535565633724869896837787861844740689732771737690718700661628649687686655710757728699722721707659686733722642677432418328323327203
Percentage of InventoryNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets14.317.818.620.322.425.326.325.124.726.626.724.622.924.526.225.524.025.425.223.522.523.324.223.922.624.024.824.222.924.424.924.222.923.628.427.724.426.123.122.316.519.020.112.9

Inventory L I F O Reserve

us-gaap:InventoryLIFOReserve

us-gaap:InventoryLIFOReserve


Inventory
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-302013-06-302012-06-302011-06-302010-06-30
Value23813417821010698196195222279355331
Percentage of InventoryLIFOReserve100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.04.25.67.03.73.56.86.47.710.617.821.0

Other Assets Current

us-gaap:OtherAssetsCurrent

us-gaap:OtherAssetsCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value9591858456405264373949495462695446495389466447423743873435262928206538373131252831544536
Percentage of OtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.23.02.82.71.81.21.61.91.21.21.61.61.82.12.41.91.61.71.93.21.72.31.71.51.31.42.91.11.20.91.01.00.72.21.51.41.21.21.31.51.63.22.82.3

Noncurrent Assets

us-gaap:NoncurrentAssets

us-gaap:NoncurrentAssets


Noncurrent
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-302013-06-302012-06-302011-06-30
Value145713511366131313161351139714071168924662
Percentage of NoncurrentAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets49.141.942.943.745.848.448.146.040.535.233.3

us-gaap:NoncurrentAssets us-gaap:StatementGeographical

country:CA


Noncurrent
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-302013-06-302012-06-302011-06-30
Value0.11.85.56.35.65.96.58.49.19.86.9
Percentage of NoncurrentAssets0.00.10.40.50.40.40.50.60.81.11.0
Percentage of Assets0.00.10.20.20.20.20.20.30.30.40.3
Percentage of Assets country:CA0.00.00.00.00.00.00.00.00.00.00.0

country:MX


Noncurrent
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-302013-06-302012-06-302011-06-30
Value1.11.11.31.41.21.10.91.41.61.61.6
Percentage of NoncurrentAssets0.10.10.10.10.10.10.10.10.10.20.2
Percentage of Assets0.00.00.00.00.00.00.00.00.10.10.1
Percentage of Assets country:MX0.00.00.00.00.00.00.00.00.00.00.0

country:US


Noncurrent
Period End2021-06-302020-06-302018-06-302017-06-302016-06-302015-06-302014-06-302013-06-302012-06-302011-06-30
Value14391329128612901323136713791142901646
Percentage of NoncurrentAssets98.798.497.998.097.997.998.097.897.597.6
Percentage of Assets48.441.242.844.847.447.045.139.634.332.5
Percentage of Assets country:US0.00.00.00.00.00.00.00.00.00.0

srt:AsiaPacific


Noncurrent
Period End2021-06-302020-06-302019-06-302018-06-302017-06-30
Value0.82.56.81515
Percentage of NoncurrentAssets0.10.20.51.21.2
Percentage of Assets0.00.10.20.50.5
Percentage of Assets srt:AsiaPacific0.00.00.00.00.0

srt:Europe


Noncurrent
Period End2021-06-302020-06-302019-06-302018-06-302017-06-30
Value1616173.94.0
Percentage of NoncurrentAssets1.11.21.20.30.3
Percentage of Assets0.50.50.50.10.1
Percentage of Assets srt:Europe0.00.00.00.00.0

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-302013-06-302012-06-302011-06-302010-06-30
Value314931272882274726682607259625132195187015631466
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets106.096.990.491.492.793.389.482.276.171.278.592.6

us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType

us-gaap:Building


Property
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-302013-06-302012-06-30
Value537538512500495484442451326301
Percentage of PropertyPlantAndEquipmentGross17.117.217.818.218.618.617.118.014.916.1
Percentage of Assets18.116.716.116.617.217.315.214.811.311.5
Percentage of Assets us-gaap:Building0.00.00.00.00.00.00.00.00.00.0

us-gaap:ConstructionInProgress


Property
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-302013-06-302012-06-302011-06-30
Value12023515083565290792929738
Percentage of PropertyPlantAndEquipmentGross3.87.55.23.02.12.03.53.113.35.22.5
Percentage of Assets4.07.34.72.82.01.93.12.610.13.71.9
Percentage of Assets us-gaap:ConstructionInProgress0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Land


Property
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-302013-06-302012-06-302011-06-30
Value363535343433282720168.5
Percentage of PropertyPlantAndEquipmentGross1.21.11.21.31.31.31.11.11.00.90.5
Percentage of Assets1.21.11.11.21.21.21.00.90.70.60.4
Percentage of Assets us-gaap:Land0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:MachineryAndEquipment


Property
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-302013-06-302012-06-302011-06-30
Value22342226218321292082203820351956155514541249
Percentage of PropertyPlantAndEquipmentGross70.971.275.777.578.078.278.477.870.977.879.9
Percentage of Assets75.269.068.570.872.472.970.064.054.055.462.7
Percentage of Assets us-gaap:MachineryAndEquipment0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:SoftwareAndSoftwareDevelopmentCosts


Property
Period End2021-06-302020-06-30
Value22191
Percentage of PropertyPlantAndEquipmentGross7.02.9
Percentage of Assets7.42.8
Percentage of Assets us-gaap:SoftwareAndSoftwareDevelopmentCosts0.00.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-302013-06-302012-06-302011-06-302010-06-30
Value169216291516143413511256119911061026945900848
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets57.050.547.647.747.045.041.336.235.636.045.253.6

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value14571306132613341351139513851380136613501335131613131295129813081316131213221338135113471366138913971403141614081407137613311259116810801017959924884685670662634633617
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets49.143.443.642.641.940.740.741.342.941.742.243.843.743.344.145.245.846.547.647.548.448.448.148.448.147.346.446.746.046.446.043.040.537.139.436.935.234.136.635.833.337.238.839.0

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value241241241292290325328324326327337268268273263263263270244244244244257257257257257257257257257257257256256261260247464544453535
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.18.07.99.39.09.59.79.710.210.110.78.98.99.18.99.19.29.68.88.78.88.89.19.08.98.78.48.68.48.78.98.88.98.89.910.09.99.52.52.42.32.62.22.2

us-gaap:Goodwill us-gaap:StatementBusinessSegments

crs:PerformanceEngineeredProductsSegment


Goodwillus-gaap:
Period End2021-06-302021-03-312020-12-312020-06-302019-06-302018-06-302017-06-302017-03-312016-06-302016-03-312015-06-302014-06-302014-03-312013-06-302012-06-30
Value4545459413073677549496162626257
Percentage of Goodwill19.019.019.032.740.127.225.827.820.120.124.024.124.124.122.1
Percentage of Assets1.51.51.52.94.12.42.42.71.81.82.12.02.12.22.2
Percentage of Assets crs:PerformanceEngineeredProductsSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

crs:SpecialtyAlloysOperationsSegment


Goodwillus-gaap:
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302017-03-312016-06-302016-03-312015-06-302014-06-302014-03-312013-06-302012-06-30
Value195195195195195195195195195195195195202
Percentage of Goodwill81.067.359.972.874.272.279.979.976.075.975.975.977.9
Percentage of Assets6.66.16.16.56.86.97.07.06.76.46.66.87.7
Percentage of Assets crs:SpecialtyAlloysOperationsSegment0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Goodwill us-gaap:StatementBusinessSegments, us-gaap:Subsegments

crs:PerformanceEngineeredProductsSegment, crs:Dynamet


Goodwillus-gaap:
Period End2021-06-30
Value31
Percentage of Goodwill13.2
Percentage of Assets1.1
Percentage of Assets crs:PerformanceEngineeredProductsSegment crs:Dynamet0.0

crs:PerformanceEngineeredProductsSegment, crs:LatrobeDistribution


Goodwillus-gaap:
Period End2021-06-30
Value14
Percentage of Goodwill5.8
Percentage of Assets0.5
Percentage of Assets crs:PerformanceEngineeredProductsSegment crs:LatrobeDistribution0.0

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill


Intangible
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value444546526163646769606163596163645859616364676971737577808488919598102106109127272830283817
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.51.51.51.61.81.91.92.12.11.92.12.12.02.12.22.32.12.22.22.32.32.42.42.52.52.52.62.62.93.03.13.33.44.04.14.24.91.51.51.51.72.41.1

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2021-06-302021-03-312020-12-312020-06-302019-06-302018-06-302017-06-302016-06-30
Value4344455267636463
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.51.51.51.62.12.12.32.3

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:CustomerRelationships


Finite
Period End2021-06-302021-03-312020-12-312020-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-302013-06-302012-06-302011-06-30
Value2627293440464750566368745.4
Percentage of FiniteLivedIntangibleAssetsNet61.962.164.166.260.972.873.280.40.00.00.00.00.0
Percentage of Assets0.90.91.01.11.31.51.71.82.02.12.42.80.3
Percentage of Assets us-gaap:CustomerRelationships0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Patents


Finite
Period End2021-06-302021-03-312020-12-312020-06-302019-06-302018-06-30
Value10.010109.7100.0
Percentage of FiniteLivedIntangibleAssetsNet23.222.722.718.615.90.0
Percentage of Assets0.30.30.30.30.30.0
Percentage of Assets us-gaap:Patents0.00.00.00.00.00.0

us-gaap:TechnologyBasedIntangibleAssets


Finite
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-30
Value0.81.36.36.85.60.0
Percentage of FiniteLivedIntangibleAssetsNet1.92.59.410.78.60.0
Percentage of Assets0.00.00.20.20.20.0
Percentage of Assets us-gaap:TechnologyBasedIntangibleAssets0.00.00.00.00.00.0

us-gaap:Trademarks


Finite
Period End2021-06-302021-03-312020-12-312020-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-302013-06-302012-06-30
Value5.66.86.06.69.210111113141924
Percentage of FiniteLivedIntangibleAssetsNet13.015.113.212.713.716.317.918.50.00.00.00.0
Percentage of Assets0.20.20.20.20.30.30.40.40.40.50.70.9
Percentage of Assets us-gaap:Trademarks0.00.00.00.00.00.00.00.00.00.00.00.0

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value3435444652615951
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.21.21.41.51.61.81.71.5

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssetsNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value106262273263262267263258187178163167178165156138131122116118116113112107109114113116117979593807977838383808196999676
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.68.79.08.48.17.87.77.75.95.55.25.65.95.55.34.84.64.34.24.24.24.14.03.83.83.93.73.93.83.33.33.22.82.73.03.23.23.24.34.44.85.85.94.8

Accounts Payable Current

us-gaap:AccountsPayableCurrent

us-gaap:AccountsPayableCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value142135108114124209233259238252266255214217205212201191167153159152140165169178191251278237211262252226188235236222147178170146129130
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.84.53.63.73.86.16.97.87.57.88.48.57.17.37.07.37.06.86.05.55.75.54.95.85.86.06.38.39.18.07.39.08.87.77.39.19.08.67.99.58.68.68.08.2

Accrued Income Taxes Current

us-gaap:AccruedIncomeTaxesCurrent

us-gaap:AccruedIncomeTaxesCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-09-302017-06-302016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-06-30
Value500000.0500000.0800000.0700000.01000000.02500000.0600000.07000000.04200000.04300000.01900000.02700000.01400000.04800000.05100000.0800000.01500000.01300000.01800000.09300000.08700000.0002400000.08400000.08100000.0
Percentage of AccruedIncomeTaxesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.10.00.20.10.10.10.10.00.20.20.00.10.00.10.30.30.00.00.10.30.3

Accrued Liabilities Current

us-gaap:AccruedLiabilitiesCurrent

us-gaap:AccruedLiabilitiesCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value1631341571501571361461291571381311071481281181101391161191101391371551591521441371381481381461631682301861792172081581461241159587
Percentage of AccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.54.55.24.84.94.04.33.94.94.34.23.64.94.34.03.84.94.14.33.95.04.95.55.55.34.94.54.64.84.75.15.65.87.97.26.98.38.08.47.86.36.75.95.5

Contract With Customer Liability Current

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:ContractWithCustomerLiabilityCurrent


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value8.66.95.511121114111012141210
Percentage of ContractWithCustomerLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.20.20.40.40.30.40.40.30.40.40.40.3

Liabilities Current

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value306269265264452516499466416517498363363401387381396322312264298315335324322322365389430391361427421557476518554431305324395361325218
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.38.98.78.514.015.014.714.013.016.015.812.112.113.413.213.213.811.411.29.410.711.311.811.311.110.912.012.914.113.212.514.614.619.118.419.921.116.616.317.319.921.220.013.8

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value9.09.3101111111110
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.30.40.40.40.30.30.3

Other Accrued Liabilities Current

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:OtherAccruedLiabilitiesCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-06-30
Value262424262730272526252223242825222236362120343540293529303142487464625351535338313029
Percentage of OtherAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.90.80.80.80.80.90.80.80.80.80.70.80.80.90.90.80.81.31.30.80.71.31.21.41.01.21.01.01.01.41.72.52.32.22.12.02.02.12.01.71.51.8

Long Term Debt

us-gaap:LongTermDebt

us-gaap:LongTermDebt


Long
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-06-302012-06-302012-03-312011-12-312011-09-302011-06-302010-06-30
Value694694693551552550550550549547545545601603604605604604609611612608611607609607604604604604604406407407407507259
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets23.122.822.217.116.116.216.517.316.917.318.118.120.120.520.921.021.421.721.721.922.021.421.320.920.519.920.119.820.420.921.015.515.721.721.725.516.4

us-gaap:LongTermDebt us-gaap:DebtInstrument

crs:SeniorUnsecuredNotes4.45PercentDueMarch2023


Long
Period End2021-03-312021-03-262020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-06-30
Value299300299299299299299299299299299299299299299298298298298298298299299299299299299299
Percentage of LongTermDebt43.10.043.143.154.354.254.454.354.454.554.654.854.849.749.649.449.449.449.549.048.848.949.349.149.349.149.349.6
Percentage of Assets9.90.09.89.69.38.78.89.09.49.29.59.99.910.010.210.310.410.610.810.610.710.810.610.410.310.19.89.8
Percentage of Assets crs:SeniorUnsecuredNotes4.45PercentDueMarch20230.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

crs:SeniorUnsecuredNotes445PercentDueMarch2023


Long
Period End2021-03-26
Value300
Percentage of LongTermDebt0.0
Percentage of Assets0.0
Percentage of Assets crs:SeniorUnsecuredNotes445PercentDueMarch20230.0

crs:SeniorUnsecuredNotes6375PercentDueJuly2028


Long
Period End2021-03-312020-12-312020-09-30
Value394394394
Percentage of LongTermDebt56.956.956.9
Percentage of Assets13.113.012.6
Percentage of Assets crs:SeniorUnsecuredNotes6375PercentDueJuly20280.00.00.0

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

crs:SeniorUnsecuredNotes6375PercentDueJuly2028, us-gaap:SeniorNotes


Long
Period End2021-06-30
Value395
Percentage of LongTermDebt0.0
Percentage of Assets13.3
Percentage of Assets crs:SeniorUnsecuredNotes6375PercentDueJuly2028 us-gaap:SeniorNotes0.0

us-gaap:LongTermDebt us-gaap:LongtermDebtType

us-gaap:SeniorNotes


Long
Period End2021-06-302020-06-30
Value694551
Percentage of LongTermDebt0.0100.0
Percentage of Assets23.417.1
Percentage of Assets us-gaap:SeniorNotes0.00.0

Long Term Debt Noncurrent

us-gaap:LongTermDebtNoncurrent

us-gaap:LongTermDebtNoncurrent


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value694694694693551552550550550549547545545546548549550604604609611612608611607609607604604604604604604604305305305407407407407158159259
Percentage of LongTermDebtNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets23.423.122.822.217.116.116.216.517.316.917.318.118.118.318.619.019.121.421.721.721.922.021.421.320.920.519.920.119.820.420.920.721.020.711.811.711.615.721.721.720.59.39.816.4

us-gaap:LongTermDebtNoncurrent us-gaap:LongtermDebtType

us-gaap:SeniorNotes


Long
Period End2021-06-302020-06-30
Value694551
Percentage of LongTermDebtNoncurrent100.0100.0
Percentage of Assets23.417.1
Percentage of Assets us-gaap:SeniorNotes0.00.0

Deferred Income Tax Liabilities Net

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:DeferredIncomeTaxLiabilitiesNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-06-30
Value156150127130130151151154142159155155161130128191184102
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.35.04.24.24.04.44.54.64.54.94.95.25.44.44.46.66.43.7

Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent us-gaap:RetirementPlanType

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Pension
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-30
Value98137122108122116
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0
Percentage of Assets3.34.33.83.64.34.2
Percentage of Assets us-gaap:OtherPostretirementBenefitPlansDefinedBenefit0.00.00.00.00.00.0

us-gaap:PensionPlansDefinedBenefit


Pension
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-30
Value222399371288378509
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent225.8290.8304.0266.9308.6436.8
Percentage of Assets7.512.411.69.613.118.2
Percentage of Assets us-gaap:PensionPlansDefinedBenefit0.00.00.00.00.00.0

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value10096110108110108112103656663585351504347434344515862605963535141577378836667526662566567646462
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.43.23.63.53.43.23.33.12.02.12.01.91.81.71.71.51.71.51.61.61.82.12.22.12.02.11.71.71.31.92.52.72.92.32.62.02.52.43.03.53.43.84.04.0

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value3537424550
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0
Percentage of Assets1.21.21.41.41.6

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value8600000.08500000.09700000.09900000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0100.0100.0100.0
Percentage of Assets0.30.30.30.3

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value6400000.06400000.07600000.07700000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0100.0100.0100.0
Percentage of Assets0.20.20.20.2

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value4100000.04100000.04700000.04800000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0100.0100.0100.0
Percentage of Assets0.10.10.20.2

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2021-06-30
Value3400000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0
Percentage of Assets0.1

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2021-06-30
Value20
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0
Percentage of Assets0.7

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value4446535661646152
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.51.51.81.81.91.91.81.6

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value53566368
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0100.0100.0100.0
Percentage of Assets1.81.92.12.2

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value8.79.59.912
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0100.0100.0100.0
Percentage of Assets0.30.30.30.4

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value13921381133214071445161816031577152015571505149014851371133612311198116111301120110411871228127713251399147614851504142513761342130312181187116511031214767742765651613573
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets46.945.943.845.044.847.247.147.247.748.147.649.649.445.845.442.641.641.240.739.839.542.643.244.545.647.248.349.349.248.147.545.945.241.846.044.842.046.840.939.638.438.237.636.2

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-159.1-229.0-327.1-330.7-334.3-284.2-287.3-290.3-293.3-215.3-217.0-218.7-220.4
Percentage of StockholdersEquity-11.4-16.6-24.5-23.5-23.1-17.6-17.9-18.4-19.3-13.8-14.4-14.7-14.8
Percentage of Assets-5.4-7.6-10.7-10.6-10.4-8.3-8.4-8.7-9.2-6.6-6.9-7.3-7.3
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value6.93.82.1-2.8-11.1-16.1-7.211-14.8-12.4-15.6-0.223
Percentage of StockholdersEquity0.50.30.2-0.2-0.8-1.0-0.40.8-1.0-0.8-1.0-0.01.6
Percentage of Assets0.20.10.1-0.1-0.3-0.5-0.20.4-0.5-0.4-0.5-0.00.8
Percentage of Assets us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-192.3-267.0-363.1-380.4-398.0-355.3-336.3-327.6-351.8-271.5-277.5-261.1-239.8
Percentage of StockholdersEquity-13.8-19.3-27.2-27.0-27.5-22.0-21.0-20.8-23.1-17.4-18.4-17.5-16.1
Percentage of Assets-6.5-8.9-11.9-12.2-12.3-10.4-9.9-9.8-11.0-8.4-8.8-8.7-8.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-40.1-41.8-38.1-46.9-52.6-55.0-41.8-49.2-43.7-43.8-44.9-42.2-42.9
Percentage of StockholdersEquity-2.9-3.0-2.9-3.3-3.6-3.4-2.6-3.1-2.9-2.8-3.0-2.8-2.9
Percentage of Assets-1.3-1.4-1.3-1.5-1.6-1.6-1.2-1.5-1.4-1.4-1.4-1.4-1.4
Percentage of Assets us-gaap:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value322319317315321325322317320319315310310
Percentage of StockholdersEquity23.223.123.822.422.220.120.120.121.120.520.920.820.9
Percentage of Assets10.910.610.410.110.09.59.59.510.19.910.010.310.3
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value280280280280280280280279279279279278278
Percentage of StockholdersEquity20.120.321.019.919.417.317.517.718.417.918.518.718.7
Percentage of Assets9.49.39.29.08.78.28.28.48.88.68.89.39.3
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value1299136614161511156816961665163616051566152414981475
Percentage of StockholdersEquity93.398.9106.3107.4108.5104.8103.9103.8105.6100.5101.3100.599.3
Percentage of Assets43.745.446.548.348.649.548.949.050.448.348.249.849.1
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-317.4-317.5-317.6-319.3-325.8-328.1-328.4-329.5-332.8-335.6-335.6-335.9-338.8
Percentage of StockholdersEquity-22.8-23.0-23.8-22.7-22.5-20.3-20.5-20.9-21.9-21.5-22.3-22.5-22.8
Percentage of Assets-10.7-10.5-10.4-10.2-10.1-9.6-9.6-9.9-10.4-10.4-10.6-11.2-11.3
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value280280280280280280280279279279279278278277277277276276276276276276276276276276276275275275275275274274274274274274274273273273273273
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.49.39.29.08.78.28.28.48.88.68.89.39.39.39.49.69.69.810.09.89.99.99.79.69.59.39.09.29.09.39.59.49.59.410.610.510.410.614.614.613.716.016.817.3

Additional Paid In Capital Common Stock

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AdditionalPaidInCapitalCommonStock


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value322319317315321325322317320319315310310299294289284283280276273272271268266265260260263263259253254255253247252251239235235233228223
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.910.610.410.110.09.59.59.510.19.910.010.310.310.010.010.09.910.010.19.89.89.89.69.49.28.98.58.78.68.99.08.78.88.79.89.59.69.712.812.611.813.714.014.1

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value129913661416151115681696166516361605156615241498147514411420133613211304129212941308130213341332133213191329131513111283126212421217118611621139110910781053103710221004984983
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets43.745.446.548.348.649.548.949.050.448.348.249.849.148.248.246.245.946.246.546.046.846.747.046.445.944.443.543.742.943.343.642.542.240.745.043.842.241.556.255.351.358.960.462.1

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-302009-06-30
Value-192300000.0-267000000.0-363100000.0-380400000.0-398000000.0-355300000.0-336300000.0-327600000.0-351800000.0-271500000.0-277500000.0-261100000.0-239800000.0-308000000.0-315100000.0-331100000.0-343100000.0-361400000.0-376900000.0-382400000.0-409900000.0-320400000.0-337600000.0-333300000.0-328200000.0-302900000.0-282800000.0-268300000.0-245200000.0-294000000.0-317200000.0-325100000.0-335700000.0-387400000.0-392100000.0-384100000.0-412500000.0-266500000.0-269900000.0-274700000.0-233300000.0-325700000.0-338400000.0-371100000.0-346500000.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-6.5-8.9-11.9-12.2-12.3-10.4-9.9-9.8-11.0-8.4-8.8-8.7-8.0-10.3-10.7-11.4-11.9-12.8-13.6-13.6-14.7-11.5-11.9-11.6-11.3-10.2-9.3-8.9-8.0-9.9-11.0-11.1-11.6-13.3-15.2-14.8-15.7-10.3-14.4-14.6-11.7-19.1-20.8-23.40.0

Treasury Stock Value

us-gaap:TreasuryStockValue

us-gaap:TreasuryStockValue


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value31731731731932532832832933233533533533833933934134134234234334334431626622115710798101103103103107110111111120122530530532533533535
Percentage of TreasuryStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.710.510.410.210.19.69.69.910.410.410.611.211.311.411.511.811.912.112.312.212.312.411.29.37.65.33.53.33.33.53.63.53.73.84.34.34.64.728.328.326.731.332.733.8

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value743.8838813672210.717510.0379.41187324-7.49361-29.54.17546-74.011711-33.6-30.5488.2
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating0.00.00.00.00.00.00.00.00.00.00.09400.00.00.00.00.00.00.00.04100.037850.015400.0-24666.739066.73700.0-16800.0-10166.70.00.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-22.0-18.5-22.7-15.7-27.5-49.5-46.8-47.4-49.5-37.4-119.1-38.6-53.5-30.2-26.8-28.9-20.0-47.0-18.5-26.6-58.1-34.43.3-50.221-55.7284.2-82.4
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating0.00.00.00.00.00.00.00.00.00.00.0-38600.00.00.00.00.00.00.00.0-26600.0-29050.0-11466.71100.0-16733.37266.7-27850.09566.70.00.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-9.500000000000007-11.099999999999993-9.8-45.7-9.9413343-116.81691-10.5-56.7-17.2-0.9-4.1-21.8-20.718-8.4-161.1-7.1-106.8240-7.8-11.0-7.9-27.9-7.9
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating0.00.00.00.00.00.00.00.00.00.00.0-10500.00.00.00.00.00.00.00.0-8400.0-80550.0-2366.7-35600.080200.0-2600.0-5500.0-2633.30.00.0

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value43-27.25225100635.3-2.48.1-9.611-39.29.4
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating0.00.00.00.00.00.00.00.00.00.00.0-39200.00.0

Amortization Of Financing Costs

us-gaap:AmortizationOfFinancingCosts

us-gaap:AmortizationOfFinancingCosts


Amortization
Period End2020-09-30
Value100000.0
Percentage of AmortizationOfFinancingCosts100.0

Deferred Income Tax Expense Benefit

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DeferredIncomeTaxExpenseBenefit


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-14.3-9.2-6.2-3.9-7.41.52.03.59.52.13.71.27.8-2.7-66.80.64.2-1.71.6377.4-9.13.5-1.0-8.0-1.1662.6-11.72.70.0-0.7-27.937-0.40.1184.67.56.1-0.90.1-0.5-3.74.23.9
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value32322830313130303030302929292928293029282929302931303030312726262726252525211818
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DepreciationDepletionAndAmortization us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value1.50000000000000041.41.01.71.81.81.31.31.31.21.21.21.11.00.90.91.01.30.90.81.00.90.90.91.31.01.21.11.21.41.51.41.41.51.4
Percentage of DepreciationDepletionAndAmortization4.74.43.55.55.75.84.34.24.23.94.04.03.73.43.13.13.44.33.02.83.43.03.03.04.23.34.03.63.95.15.65.25.25.75.5

us-gaap:IntersegmentElimination


Depreciation
Period End2020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-06-302013-03-312012-12-31
Value0.1-0.1-0.2-0.2-0.2-0.3-0.2-0.2-0.2-0.2-0.1-0.2-0.3-0.3-0.20.1-0.4-0.1-0.2-0.2-0.2-0.10.1-0.2-0.3-3.80.4-0.2-0.9-2.5-0.1
Percentage of DepreciationDepletionAndAmortization0.3-0.3-0.6-0.7-0.7-1.0-0.6-0.7-0.7-0.7-0.3-0.7-1.0-1.0-0.70.3-1.4-0.3-0.7-0.7-0.7-0.30.3-0.7-1.0-12.31.5-0.7-3.3-9.6-0.4

us-gaap:DepreciationDepletionAndAmortization us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, crs:PerformanceEngineeredProductsSegment


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value3.94.14.26.06.36.56.25.95.76.05.55.05.15.05.15.05.15.25.25.14.95.55.75.75.65.75.96.06.35.95.95.85.95.85.3
Percentage of DepreciationDepletionAndAmortization12.212.814.719.419.920.820.319.318.619.518.216.817.317.117.517.417.617.317.417.616.718.618.819.118.018.619.619.820.321.522.021.721.922.220.8

us-gaap:OperatingSegments, crs:SpecialtyAlloysOperationsSegment


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value2626232323232323232323232323232323232323232323232423232327191919202118
Percentage of DepreciationDepletionAndAmortization83.182.881.575.174.874.076.177.178.177.378.579.879.679.880.180.580.079.079.381.080.279.178.978.678.177.977.177.688.172.073.173.076.381.674.1

Increase Decrease In Accounts Payable

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:IncreaseDecreaseInAccountsPayable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4.231-5.7-7.4-83.0-25.9-19.018-16.5-16.25.347-6.25.1-4.1151.92317-0.7-1.011-20.12.5-17.6-14.3-29.31.31641-50.89.62637-47.5-0.51417-30.89.32316-28.4227.341
Percentage of IncreaseDecreaseInAccountsPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Accounts Receivable

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInAccountsReceivable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2850-22.2-42.0-82.7-2.6-7.12.1-6.851-42.93.532502.61.2191512-13.2-15.60.8-9.0-24.4-18.816-6.5-16.22448-21.1-57.7-11.969-33.7-36.12725-21.7-0.8-26.879-4.18.6-4.768
Percentage of IncreaseDecreaseInAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Inventories

us-gaap:IncreaseDecreaseInInventories

us-gaap:IncreaseDecreaseInInventories


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-56.6-26.1-70.9-84.9-114.7-23.05751-74.31710050-41.5-40.43546-14.4144033-19.6-16.81.833-54.4-43.83130-23.61.31147-26.8-47.11078-33.30.315945.3-5.749669.28.1
Percentage of IncreaseDecreaseInInventories100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Other Operating Capital Net

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.01.3-0.40.74.1-3.3-0.93.14.42.0-2.82.10.60.20.61.0-3.33.83.7-1.55.6-1.82.3-3.40.1-2.3-0.92.21.50.21.92.51.32.62.8-0.3-1.01.1-1.4-1.0-2.91.91.8-1.65.07.8
Percentage of IncreaseDecreaseInOtherOperatingCapitalNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value743.8838813672210.717510.0379.41187324-7.49361-29.54.17546-74.011711-33.6-30.5488.2
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating0.00.00.00.00.00.00.00.00.00.00.09400.00.00.00.00.00.00.00.04100.037850.015400.0-24666.739066.73700.0-16800.0-10166.70.00.0

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
Value-57.1-40.5-84.9-47.1-118.43938414851351338302934403233394033232325289.37.6252.13.57.6
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.040900.00.033000.039200.040800.016500.07866.77933.38500.09533.34650.02533.30.00.00.00.0

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

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-03-312018-12-31
Value-2.7-11.7-3.6-3.6-3.2-3.1-3.0-3.0-1.7-1.7
Percentage of NetIncomeLoss4.728.94.27.62.7-7.8-7.7-7.3-3.3-4.8
Percentage of InterestIncomeOperating0.00.00.00.00.00.00.00.00.00.0
Percentage of InterestIncomeOperating us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.0

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-03-312018-12-31
Value0.11.12.02.21.51.82.34.01.80.5
Percentage of NetIncomeLoss-0.2-2.7-2.4-4.7-1.34.55.99.73.51.4
Percentage of InterestIncomeOperating0.00.00.00.00.00.00.00.00.00.0
Percentage of InterestIncomeOperating us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value-57.1-40.5-84.9-47.1-118.4393841485135
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating0.00.00.00.00.00.00.00.00.00.00.0
Percentage of InterestIncomeOperating us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.0

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value2.62.42.72.7-1.53.94.44.14.94.65.13.04.84.73.94.23.03.53.53.01.91.92.22.73.24.6-0.32.52.43.12.83.1
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-22.0-18.5-22.7-15.7-27.5-49.5-46.8-47.4-49.5-37.4-119.1-38.6-53.5-30.2-26.8-28.9-20.0-47.0-18.5-26.6-58.1-34.43.3-50.221-55.7284.2-82.4
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating0.00.00.00.00.00.00.00.00.00.00.0-38600.00.00.00.00.00.00.00.0-26600.0-29050.0-11466.71100.0-16733.37266.7-27850.09566.70.00.0

Payments To Acquire Productive Assets

us-gaap:PaymentsToAcquireProductiveAssets

us-gaap:PaymentsToAcquireProductiveAssets


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value221826332749464749494041542526283518182629161929182468595193971141138380566447332744179.68.1178.0
Percentage of PaymentsToAcquireProductiveAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireProductiveAssets us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


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
Value1.94.09.89.411111616139.46.57.7177.69.67.17.96.67.77.55.11.90.51.11.51.50.31.02.00.32.60.6-0.10.91.5
Percentage of PaymentsToAcquireProductiveAssets8.621.536.828.240.122.735.134.127.219.216.218.532.230.235.824.622.336.741.628.217.511.42.63.78.26.00.41.73.90.32.70.5-0.11.11.9

us-gaap:IntersegmentElimination


Payments
Period End2020-09-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value-0.10.00.0-0.1-0.1-0.3-0.5-0.3-0.9-0.4-0.3-0.3-0.2-0.10.0-0.10.0-0.1-0.10.00.10.0-0.7-0.4-0.1-0.3-0.2-0.2-0.1-0.5-0.1
Percentage of PaymentsToAcquireProductiveAssets-0.30.00.0-0.2-0.2-0.6-1.2-0.7-1.7-1.6-1.1-1.0-0.6-0.60.0-0.40.0-0.6-0.50.00.50.0-1.0-0.7-0.2-0.3-0.2-0.2-0.1-0.6-0.1

us-gaap:PaymentsToAcquireProductiveAssets us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, crs:PerformanceEngineeredProductsSegment


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
Value1.61.21.12.21.34.35.46.29.5151313145.96.34.97.12.92.54.54.93.62.29.17.18.1166.88.34.35.27.05.75.24.1
Percentage of PaymentsToAcquireProductiveAssets7.36.54.16.64.78.711.613.119.231.233.232.727.023.423.517.020.116.113.516.916.821.711.230.439.032.723.511.516.34.65.36.15.06.25.1

us-gaap:OperatingSegments, crs:SpecialtyAlloysOperationsSegment


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
Value18131521153424252624202023121117208.68.314191117199.5155251408990831037875
Percentage of PaymentsToAcquireProductiveAssets84.572.059.065.554.768.653.353.153.850.251.949.542.548.041.859.558.247.844.955.365.667.586.765.952.261.377.087.580.095.492.272.291.493.393.2

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-9.500000000000007-11.099999999999993-9.8-45.7-9.9413343-116.81691-10.5-56.7-17.2-0.9-4.1-21.8-20.718-8.4-161.1-7.1-106.8240-7.8-11.0-7.9-27.9-7.9
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestIncomeOperating0.00.00.00.00.00.00.00.00.00.00.0-10500.00.00.00.00.00.00.00.0-8400.0-80550.0-2366.7-35600.080200.0-2600.0-5500.0-2633.30.00.0

Payments Of Dividends

us-gaap:PaymentsOfDividends

us-gaap:PaymentsOfDividends


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value9.89.89.89.79.79.79.79.79.79.69.79.68.68.68.68.68.58.68.58.58.58.48.99.09.19.59.79.69.79.69.69.69.69.69.59.69.58.08.18.18.08.18.08.08.07.9
Percentage of PaymentsOfDividends100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Debt Instrument Interest Rate Stated Percentage

us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument

us-gaap:DebtInstrumentInterestRateStatedPercentage

crs:SeniorUnsecuredNotes445PercentDueMarch2023


Debt
Period End2021-03-26
Value4.45
Percentage of DebtInstrumentInterestRateStatedPercentage100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations crs:SeniorUnsecuredNotes445PercentDueMarch20230.0

crs:SeniorUnsecuredNotes6375PercentDueJuly2028


Debt
Period End2020-07-10
Value6.375
Percentage of DebtInstrumentInterestRateStatedPercentage0.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations crs:SeniorUnsecuredNotes6375PercentDueJuly20280.0

Effective Income Tax Rate Continuing Operations

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:EffectiveIncomeTaxRateContinuingOperations


Effective
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value1.729.211.228.675.1760.20.2320.238-0.0030.2490.2150.2180.190.199-1.7330.33500.2890.1570.171.474-0.2760.2380.447-0.010.3910.3690.325-0.010.3380.3360.328-0.0070.3310.3310.332
Percentage of EffectiveIncomeTaxRateContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

crs:EmployeeAndDirectorsStockOptions


Share
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-302013-06-302012-06-302011-06-30
Value43.4744.544.0642.8842.2743.3544.6142.6937.5133.5429.23
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Liabilities

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxLiabilities


Deferred
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-302013-06-302012-06-302011-06-302010-06-30
Value15112513815717794371302291295192182
Percentage of DeferredTaxLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


Deferred
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-302013-06-302012-06-302011-06-302010-06-30
Value169189163132246299227187221274159219
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-302013-06-302012-06-302011-06-302010-06-30
Value252424231817171719181717
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Proceeds From Repayments Of Short Term Debt

us-gaap:ProceedsFromRepaymentsOfShortTermDebt

us-gaap:ProceedsFromRepaymentsOfShortTermDebt


Proceeds
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302018-09-302018-03-312017-12-312017-09-302017-03-312016-12-312016-09-302016-03-312015-03-31
Value0.00.0-170.0-30.0227.90.0-9.36.03.3-10.8250.0-14.5-37.0
Percentage of ProceedsFromRepaymentsOfShortTermDebt0.00.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.00.0100.0100.0

crs:CostOfGoodsAndServicesSoldExcludingInventoryWriteDown

crs:CostOfGoodsAndServicesSoldExcludingInventoryWriteDown


Cost
Period End2021-03-312020-03-31
Value336475
Percentage of CostOfGoodsAndServicesSoldExcludingInventoryWriteDown100.0100.0

crs:EffectiveIncomeTaxRateReconciliationExcludingNonDeductibleExpenseImpairmentLossesPercent

crs:EffectiveIncomeTaxRateReconciliationExcludingNonDeductibleExpenseImpairmentLossesPercent


Effective
Period End2020-12-31
Value24.8
Percentage of EffectiveIncomeTaxRateReconciliationExcludingNonDeductibleExpenseImpairmentLossesPercent100.0

crs:EffectiveIncomeTaxRateReconciliationExcludingPensionSettlementChargesNonDeductibleExpenseImpairmentLossesAndPriorYearIncomeTaxesPercent

crs:EffectiveIncomeTaxRateReconciliationExcludingPensionSettlementChargesNonDeductibleExpenseImpairmentLossesAndPriorYearIncomeTaxesPercent


Effective
Period End2021-03-31
Value29.3
Percentage of EffectiveIncomeTaxRateReconciliationExcludingPensionSettlementChargesNonDeductibleExpenseImpairmentLossesAndPriorYearIncomeTaxesPercent100.0

crs:EffectiveIncomeTaxRateReconciliationPensionSettlementAmount

crs:EffectiveIncomeTaxRateReconciliationPensionSettlementAmount


Effective
Period End2021-03-31
Value-2200000.0
Percentage of EffectiveIncomeTaxRateReconciliationPensionSettlementAmount100.0

crs:NonCashAssetImpairmentCharges

crs:NonCashAssetImpairmentCharges


Non
Period End2020-09-30
Value8700000.0
Percentage of NonCashAssetImpairmentCharges100.0

crs:OperatingLossCarryforwardIncomeTaxExpenseBenefitCARESAct

crs:OperatingLossCarryforwardIncomeTaxExpenseBenefitCARESAct


Operating
Period End2021-03-312020-12-312020-09-30
Value00-7000000.0
Percentage of OperatingLossCarryforwardIncomeTaxExpenseBenefitCARESAct0.00.0100.0

us-gaap:AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForRevisionInEstimates

us-gaap:AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForRevisionInEstimates


Accrual
Period End2021-03-312020-12-312020-09-302012-06-302012-03-312011-12-31
Value300000.00-100000.0700000.000
Percentage of AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForRevisionInEstimates100.00.0100.0100.00.00.0

us-gaap:AssetImpairmentCharges us-gaap:StatementBusinessSegments

us-gaap:AssetImpairmentCharges

crs:PerformanceEngineeredProductsSegment


Asset
Period End2021-03-312020-09-30
Value4900000.08700000.0
Percentage of AssetImpairmentCharges100.0100.0

us-gaap:CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths

us-gaap:CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths


Cash
Period End2021-06-302021-03-312020-12-312020-09-30
Value2300000.01600000.01900000.0300000.0
Percentage of CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths100.0100.0100.0100.0

us-gaap:ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1 us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation

us-gaap:ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1

us-gaap:InterestRateSwap, us-gaap:InterestExpense


Change
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0002700000.0700000.0600000.0100000.00300000.0-200000.0-100000.0-300000.00-100000.0200000.0200000.0
Percentage of ChangeInUnrealizedGainLossOnFairValueHedgingInstruments10.00.00.0100.0100.0100.0100.00.0100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1 us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation

us-gaap:ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1

us-gaap:InterestRateSwap, us-gaap:InterestExpense


Change
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value000-2700000.0-700000.0-600000.0-100000.00-300000.0200000.0100000.0300000.00100000.0-200000.0-200000.0
Percentage of ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge10.00.00.0100.0100.0100.0100.00.0100.0100.0100.0100.00.0100.0100.0100.0

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

us-gaap:ConcentrationRiskPercentage1

us-gaap:RevenueFromContractWithCustomer, us-gaap:CustomerConcentrationRisk


Concentration
Period End2020-12-31
Value10.0
Percentage of ConcentrationRiskPercentage1100.0

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

crs:HowmetAerospaceInc, us-gaap:AccountsReceivable, us-gaap:CustomerConcentrationRisk


Concentration
Period End2020-09-30
Value10.0
Percentage of ConcentrationRiskPercentage10.0

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-900000.0-900000.0-900000.0-900000.0-600000.0-600000.0-600000.0-600000.0-400000.0-400000.0-400000.0-400000.0-700000.0-700000.0-700000.0-700000.0-800000.0-800000.0-800000.0-800000.0
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-2900000.0-3800000.0-4300000.0-4300000.0-3900000.0-3900000.0-3900000.0-3900000.0-2600000.0-2600000.0-2600000.0-2600000.0-3300000.0-3400000.0-3400000.0-3400000.0-9500000.0-9500000.0-9500000.0-9400000.0
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses322.2422.2477.8477.8650.0650.0650.0650.0650.0650.0650.0650.0471.4485.7485.7485.71187.51187.51187.51175.0

us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-800000.0-1000000.0-1000000.0-1000000.0-1000000.0-1000000.0-1000000.0-1000000.0-1300000.0-1300000.0-1300000.0-1300000.0-1200000.0-1300000.0-1300000.0-1300000.0-1600000.0-1600000.0-1600000.0-1600000.0
Percentage of DefinedBenefitPlanAmortizationOfPriorServiceCostCredit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value600000.0500000.0500000.0500000.0500000.0500000.0500000.0500000.0600000.0500000.0500000.0500000.0600000.0500000.0500000.0500000.0500000.0500000.0500000.0200000.0
Percentage of DefinedBenefitPlanAmortizationOfPriorServiceCostCredit-75.0-50.0-50.0-50.0-50.0-50.0-50.0-50.0-46.2-38.5-38.5-38.5-50.0-38.5-38.5-38.5-31.2-31.2-31.2-12.5

us-gaap:DefinedBenefitPlanBenefitObligationIncreaseDecreaseForRemeasurementDueToSettlement

us-gaap:DefinedBenefitPlanBenefitObligationIncreaseDecreaseForRemeasurementDueToSettlement


Defined
Period End2021-03-31
Value3100000.0
Percentage of DefinedBenefitPlanBenefitObligationIncreaseDecreaseForRemeasurementDueToSettlement100.0

us-gaap:DefinedBenefitPlanContributionsByEmployer us-gaap:RetirementPlanTaxStatus, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanContributionsByEmployer

us-gaap:QualifiedPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value2.91.61.31.22.41.21.01.02.31.00.80.74.20.00.01000.0
Percentage of DefinedBenefitPlanContributionsByEmployer100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.0

us-gaap:DefinedBenefitPlanContributionsByEmployer us-gaap:RetirementPlanType

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-06-302020-03-31
Value126.25.01.3
Percentage of DefinedBenefitPlanContributionsByEmployer0.00.0312.5100.0

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value2.01.61.61.61.81.81.81.81.81.71.71.71.71.71.71.71.81.71.71.7
Percentage of DefinedBenefitPlanExpectedReturnOnPlanAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value1414131315151515161616161616161616161615
Percentage of DefinedBenefitPlanExpectedReturnOnPlanAssets730.0881.2868.8868.8866.7861.1861.1861.1905.6952.9952.9952.9964.7970.6970.6970.6927.8976.5976.5900.0

us-gaap:DefinedBenefitPlanInterestCost us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanInterestCost

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value1.91.91.91.92.22.32.32.32.52.52.52.52.32.42.42.42.32.32.32.3
Percentage of DefinedBenefitPlanInterestCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value9.89.89.99.911111111131313131313131312121213
Percentage of DefinedBenefitPlanInterestCost515.8515.8521.1521.1536.4508.7508.7508.7536.0528.0528.0528.0565.2541.7541.7541.7543.5539.1539.1569.6

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value0.70.90.80.90.60.80.80.80.30.50.50.50.70.80.80.80.50.70.70.7
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value3.6113.23.23.23.03.03.02.62.42.42.42.92.82.82.88.28.01316
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost514.31255.6400.0355.6533.3375.0375.0375.0866.7480.0480.0480.0414.3350.0350.0350.01640.01142.91928.62300.0

us-gaap:DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1

us-gaap:DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1


Defined
Period End2021-06-302021-03-31
Value-2500000.0-8900000.0
Percentage of DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1100.0100.0

us-gaap:DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1 us-gaap:RetirementPlanType

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-31
Value-2500000.0-8900000.0
Percentage of DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1100.0100.0

us-gaap:DefinedBenefitPlanServiceCost us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanServiceCost

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value0.70.70.60.70.60.70.70.70.50.60.60.60.60.70.70.70.80.90.90.9
Percentage of DefinedBenefitPlanServiceCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value2.42.42.42.42.62.42.42.42.32.32.32.32.42.42.42.42.42.27.78.2
Percentage of DefinedBenefitPlanServiceCost342.9342.9400.0342.9433.3342.9342.9342.9460.0383.3383.3383.3400.0342.9342.9342.9300.0244.4855.6911.1

us-gaap:DerivativeGainLossOnDerivativeNet us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:IncomeStatementLocation

us-gaap:DerivativeGainLossOnDerivativeNet

us-gaap:InterestRateSwap, us-gaap:CashFlowHedging, us-gaap:InterestExpense


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value100000.0100000.0100000.0100000.00100000.0100000.0100000.00100000.0100000.0100000.0
Percentage of DerivativeGainLossOnDerivativeNet100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0

us-gaap:InterestRateSwap, us-gaap:FairValueHedging, us-gaap:InterestExpense


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value0800000.0-3100000.02700000.0700000.0600000.0100000.00300000.0-200000.0-100000.0-300000.0
Percentage of DerivativeGainLossOnDerivativeNet0.0800.0-3100.02700.00.0600.0100.00.00.0-200.0-100.0-300.0

us-gaap:DerivativeGainOnDerivative us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeGainOnDerivative

us-gaap:InterestRateSwap


Derivative
Period End2021-06-302021-03-312020-12-312020-09-30
Value0002300000.0
Percentage of DerivativeGainOnDerivative0.00.00.0100.0

us-gaap:DerivativeGainOnDerivative us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

us-gaap:InterestRateSwap, us-gaap:FairValueHedging


Derivative
Period End2021-06-302020-09-30
Value02300000.0
Percentage of DerivativeGainOnDerivative0.0100.0

us-gaap:DividendsCommonStockCash

us-gaap:DividendsCommonStockCash


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value9.89.89.89.79.79.79.79.79.79.69.79.68.68.68.68.68.58.68.58.58.58.48.99.09.19.59.79.69.79.69.69.69.69.69.59.69.58.08.18.18.08.18.08.08.07.9
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStockCash us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value9.89.89.89.79.79.79.79.79.79.69.79.68.68.68.68.68.58.68.58.58.58.48.99.09.19.59.79.69.79.69.69.69.69.69.59.69.58.08.18.18.08.18.08.08.07.9
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Effect
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value100000.0-1400000.01400000.0-800000.0600000.0-1100000.0-2800000.01000000.0-800000.01000000.01700000.0500000.01100000.0
Percentage of EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount

us-gaap:EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount


Effective
Period End2020-12-312020-09-302019-12-312019-09-30
Value1200000.01200000.0-500000.0-400000.0
Percentage of EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount100.0100.0100.0100.0

us-gaap:ForeignCurrencyTransactionGainLossBeforeTax

us-gaap:ForeignCurrencyTransactionGainLossBeforeTax


Foreign
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value200000.0-400000.0-800000.0-2700000.01800000.0700000.00200000.0-300000.0-200000.0-300000.0500000.0-100000.0200000.0-900000.0100000.0600000.0-900000.0-200000.0500000.0-600000.0-1300000.0700000.0-1200000.0100000.0-100000.0-300000.0600000.0500000.0-800000.0-800000.0-400000.0-100000.0200000.0-700000.0
Percentage of ForeignCurrencyTransactionGainLossBeforeTax100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnDerivativeInstrumentsNetPretax us-gaap:IncomeStatementLocation

us-gaap:GainLossOnDerivativeInstrumentsNetPretax

us-gaap:CostOfSales


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.01.42.42.81.82.22.84.84.82.10.2-2.04.12.5-0.2-2.6
Percentage of GainLossOnDerivativeInstrumentsNetPretax0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnSaleOfPropertyPlantEquipment

us-gaap:GainLossOnSaleOfPropertyPlantEquipment


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302013-03-312012-06-302012-03-312011-06-302011-03-312010-06-302010-03-31
Value-200000.000-100000.0-200000.0100000.0-100000.00-500000.0-600000.00-100000.0-500000.0-1600000.0-300000.0-100000.0-300000.0-1900000.0-200000.0-100000.0-400000.0-100000.00-100000.0-400000.0-400000.0-400000.00-1000000.0-400000.0-1200000.0-500000.0-1000000.0-600000.0-900000.0600000.0-2600000.0-100000.0
Percentage of GainLossOnSaleOfPropertyPlantEquipment100.00.00.0100.0100.0100.0100.00.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GoodwillImpairmentLoss

us-gaap:GoodwillImpairmentLoss


Goodwill
Period End2021-06-302021-03-312020-12-312017-06-302017-03-312016-06-302016-03-312015-06-302015-03-312014-02-28
Value0.00.0520.00.00.0120.00.00.0
Percentage of GoodwillImpairmentLoss0.00.0100.00.00.00.0100.00.00.00.0

us-gaap:ImpairmentOfIntangibleAssetsFinitelived

us-gaap:ImpairmentOfIntangibleAssetsFinitelived


Impairment
Period End2021-03-31
Value0.0
Percentage of ImpairmentOfIntangibleAssetsFinitelived0.0

us-gaap:ImpairmentOfIntangibleAssetsFinitelived us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:CustomerRelationships


Impairment
Period End2021-03-31
Value0.0
Percentage of ImpairmentOfIntangibleAssetsFinitelived0.0

us-gaap:NoncompeteAgreements


Impairment
Period End2021-03-31
Value0.0
Percentage of ImpairmentOfIntangibleAssetsFinitelived0.0

us-gaap:TechnologyBasedIntangibleAssets


Impairment
Period End2021-03-31
Value0.0
Percentage of ImpairmentOfIntangibleAssetsFinitelived0.0

us-gaap:Trademarks


Impairment
Period End2021-03-31
Value0.0
Percentage of ImpairmentOfIntangibleAssetsFinitelived0.0

us-gaap:IncomeTaxReconciliationNondeductibleExpenseRestructuringCharges

us-gaap:IncomeTaxReconciliationNondeductibleExpenseRestructuringCharges


Income
Period End2021-03-312020-12-312020-09-30
Value-1800000.0-2400000.0-2400000.0
Percentage of IncomeTaxReconciliationNondeductibleExpenseRestructuringCharges100.0100.0100.0

us-gaap:IncomeTaxReconciliationPriorYearIncomeTaxes

us-gaap:IncomeTaxReconciliationPriorYearIncomeTaxes


Income
Period End2021-03-312020-03-312019-03-312018-12-31
Value-800000.0-1600000.00-1800000.0
Percentage of IncomeTaxReconciliationPriorYearIncomeTaxes100.0100.00.0100.0

us-gaap:IncreaseDecreaseInAccruedLiabilities

us-gaap:IncreaseDecreaseInAccruedLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value306.94.9-8.015-16.313-30.8202.812-40.8231115-21.7210.514-10.78.3-11.0-9.7-1.6102.3-7.8-17.2103.8-16.7-18.518113.1-23.5-0.1249.3-13.47.7120.0-15.44.512
Percentage of IncreaseDecreaseInAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherCurrentAssets

us-gaap:IncreaseDecreaseInOtherCurrentAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value0.56.63.82315-7.72.8100.8-15.61.56.5-6.0-2.08.69.00.8-9.2-39.044-10.94.83.44.8-11.7-49.4556.3-1.4-3.20.69.0-44.1243.64.7-5.05.3-3.51.6
Percentage of IncreaseDecreaseInOtherCurrentAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestCostsCapitalized

us-gaap:InterestCostsCapitalized


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value1.21.23.02.82.52.32.22.01.91.30.90.91.00.70.60.50.40.30.30.20.40.40.50.60.70.60.70.71.85.44.53.52.52.01.5
Percentage of InterestCostsCapitalized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestCostsIncurred

us-gaap:InterestCostsIncurred


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value101010176.77.27.57.47.68.47.97.27.38.27.97.77.78.07.77.57.67.67.57.27.57.77.57.78.08.13.77.98.87.04.4
Percentage of InterestCostsIncurred100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryWriteDown

us-gaap:InventoryWriteDown


Inventory
Period End2021-06-302021-03-312017-06-302017-03-312016-06-302016-03-312015-06-302015-03-31
Value1.62.60.00.00.0220.00.0
Percentage of InventoryWriteDown100.0100.00.00.00.0100.00.00.0

us-gaap:LeaseCost

us-gaap:LeaseCost


Lease
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value3.03.43.84.61.04.84.44.3
Percentage of LeaseCost100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LifeInsuranceCorporateOrBankOwnedChangeInValue

us-gaap:LifeInsuranceCorporateOrBankOwnedChangeInValue


Life
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value2000000.01200000.03100000.01400000.02600000.0-3900000.01400000.0100000.0600000.02000000.0-2900000.01000000.0400000.0-400000.0900000.0600000.0
Percentage of LifeInsuranceCorporateOrBankOwnedChangeInValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent

us-gaap:NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-1.30.21.01.00.60.70.70.70.00.00.00.00.50.50.60.5
Percentage of NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0100.0100.0100.0100.0

us-gaap:NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1

us-gaap:NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1


Noncash
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-312018-12-312018-09-302018-03-312017-12-312017-09-302017-03-312016-12-312016-09-302016-03-312015-12-312015-09-302015-03-312014-12-312014-09-302014-03-312013-12-312013-09-30
Value-4.5-0.39.01.6-7.1191.71.0107.1-3.29.0-0.2-3.69.61.6-5.0101.7-30.337-23.7-16.681
Percentage of NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OciBeforeReclassificationsNetOfTaxAttributableToParent

us-gaap:OciBeforeReclassificationsNetOfTaxAttributableToParent


Oci
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-03-312018-12-31
Value72851516-44.4-20.3-9.4256.1-17.6
Percentage of OciBeforeReclassificationsNetOfTaxAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OciBeforeReclassificationsNetOfTaxAttributableToParent us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Oci
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-03-312018-12-31
Value6786-53.30.00.00.00.0
Percentage of OciBeforeReclassificationsNetOfTaxAttributableToParent93.2101.1120.0-0.0-0.00.0-0.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Oci
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-03-312018-12-31
Value3.22.86.9106.5-7.1-16.8305.0-14.9
Percentage of OciBeforeReclassificationsNetOfTaxAttributableToParent4.43.343.964.8-14.635.0178.7121.882.084.7

us-gaap:AccumulatedTranslationAdjustment


Oci
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-03-312018-12-31
Value1.7-3.78.85.72.4-13.27.4-5.51.1-2.7
Percentage of OciBeforeReclassificationsNetOfTaxAttributableToParent2.4-4.356.135.2-5.465.0-78.7-21.818.015.3

us-gaap:OperatingLeaseCost

us-gaap:OperatingLeaseCost


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value2.63.03.23.63.63.83.53.4
Percentage of OperatingLeaseCost100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeasePayments

us-gaap:OperatingLeasePayments


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value2.93.13.33.53.73.93.43.3
Percentage of OperatingLeasePayments100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent


Other
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-312018-12-31
Value-98100000.0-3600000.0-3600000.0-3100000.0-3000000.0-3000000.0-1700000.0-1700000.0
Percentage of OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-312018-12-31
Value-98100000.0-3600000.0-3600000.0-3100000.0-3000000.0-3000000.0-1700000.0-1700000.0
Percentage of OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent


Other
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-312018-12-31
Value-3.78.85.7-13.27.4-5.51.1-2.7
Percentage of OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-312018-12-31
Value-3.78.85.7-13.27.4-5.51.1-2.7
Percentage of OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent


Other
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-312018-12-31
Value1.74.98.3-8.9-19.1263.2-15.4
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-03-312018-12-31
Value1.74.98.3-8.9-19.1263.2-15.4
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-03-312017-12-312017-09-30
Value10-0.51.62.71.6-2.8-6.1-8.5-25.8-1.0-4.9-8.7-2.75.64.9
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value4.23.59.113-8.6-9.322-40.5906.6-19.6-33.4
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax us-gaap:DerivativeInstrumentRisk

us-gaap:CommodityContract


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value4.23.49.213-8.6-9.621-39.8926.4-20.0-33.6
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax100.097.1101.1100.0100.0103.299.198.3101.997.0102.0100.6

us-gaap:ForeignExchangeContract


Other
Period End2021-03-312020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value0.1-0.10.00.30.2-0.7-1.70.20.40.2
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax2.9-1.1-0.0-3.20.91.7-1.93.0-2.0-0.6

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value0.11.52.52.92.02.43.05.35.12.40.6-1.7
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:CommodityContract, us-gaap:CostOfSales


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value0.01.42.42.81.82.22.84.84.82.10.2-2.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax0.093.396.096.690.091.793.390.694.187.533.3117.6

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-03-312018-12-312011-03-312010-03-31
Value74961717-42.7-19.0-8.7246.0-16.41221
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-03-312018-12-31
Value69983.63.6-50.13.13.03.01.71.7
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent93.6102.120.820.5117.3-16.3-34.512.428.3-10.4

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-03-312018-12-31
Value3.11.74.98.35.0-8.9-19.1263.2-15.4
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent4.11.828.347.2-11.746.8219.5110.353.393.9

us-gaap:AccumulatedTranslationAdjustment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-03-312018-12-31
Value1.7-3.78.85.72.4-13.27.4-5.51.1-2.7
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent2.3-3.950.932.4-5.669.5-85.1-22.718.316.5

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value-21.5-31.5-1.1-1.116-0.9-1.0-1.024-0.5-0.5-0.5-23.1-1.2-0.8-1.3-9.9-3.5-3.510462.22.32.317-1.8-1.9-1.8-15.7-2.2-2.0-2.3-40.6-2.5-2.6-2.679-1.2-1.2-1.2
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherPostretirementBenefitsPayments

us-gaap:OtherPostretirementBenefitsPayments


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value1.10.40.60.60.81.10.70.90.61.00.70.80.90.71.30.50.80.60.41.43.53.42.73.43.03.53.13.63.32.83.83.2
Percentage of OtherPostretirementBenefitsPayments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForRestructuring

us-gaap:PaymentsForRestructuring


Payments
Period End2021-03-312020-12-312020-09-302016-12-312016-09-302016-06-30
Value0.6000000000000011.6999999999999996.50.00.30.8
Percentage of PaymentsForRestructuring100.0100.0100.00.0100.0100.0

us-gaap:PaymentsOfDebtExtinguishmentCosts

us-gaap:PaymentsOfDebtExtinguishmentCosts


Payments
Period End2021-06-302021-03-312020-12-312020-09-30
Value0008200000.0
Percentage of PaymentsOfDebtExtinguishmentCosts0.00.00.0100.0

us-gaap:PaymentsOfDebtIssuanceCosts

us-gaap:PaymentsOfDebtIssuanceCosts


Payments
Period End2021-06-302021-03-312020-12-312020-09-302018-06-302017-06-302016-06-30
Value01400000.001100000.0000
Percentage of PaymentsOfDebtIssuanceCosts0.0100.00.0100.00.00.00.0

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0100000.002200000.0200000.0100000.0200000.07500000.00100000.0200000.04100000.01500000.0300000.0400000.0200000.0200000.0400000.0
Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation0.0100.00.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionContributions

us-gaap:PensionContributions


Pension
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value9.06.21.82.91.61.31.22.41.21.01.02.31.00.80.74.20.00.01000.00.00.00.00.01.71.61.12.81.71.51.61.51.6859.848103.93.811
Percentage of PensionContributions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionExpense

us-gaap:PensionExpense


Pension
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4.3124.0000000000000014.13.83.93.83.82.92.92.92.93.63.53.53.68.78.71416131313139.911111114151315171717179.1109.89.9151515151515
Percentage of PensionExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionExpenseReversalOfExpenseNoncash

us-gaap:PensionExpenseReversalOfExpenseNoncash


Pension
Period End2021-03-31
Value800000.0
Percentage of PensionExpenseReversalOfExpenseNoncash100.0

us-gaap:ProceedsFromDivestitureOfBusinesses

us-gaap:ProceedsFromDivestitureOfBusinesses


Proceeds
Period End2021-03-312020-12-312020-09-30
Value0.02.417
Percentage of ProceedsFromDivestitureOfBusinesses0.0100.0100.0

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

us-gaap:DiscontinuedOperationsDisposedOfBySale, crs:AmegaWest


Proceeds
Period End2020-12-312020-09-30
Value2.417
Percentage of ProceedsFromDivestitureOfBusinesses100.0100.0

us-gaap:ProceedsFromIssuanceOfOtherLongTermDebt

us-gaap:ProceedsFromIssuanceOfOtherLongTermDebt


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-30
Value0.00.00.0395
Percentage of ProceedsFromIssuanceOfOtherLongTermDebt0.00.00.0100.0

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment


Proceeds
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302013-03-312012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0100000.0-100000.0200000.00100000.0100000.0200000.00100000.0-100000.02000000.0002500000.001100000.00300000.000100000.00100000.000800000.0300000.0600000.0400000.00200000.0100000.0900000.00100000.0100000.00
Percentage of ProceedsFromSaleOfPropertyPlantAndEquipment0.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.00.0100.00.0100.00.0100.00.00.0100.00.0100.00.00.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.00.0

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment us-gaap:StatementBusinessSegments

crs:PerformanceEngineeredProductsSegment


Proceeds
Period End2021-03-31
Value500000.0
Percentage of ProceedsFromSaleOfPropertyPlantAndEquipment500.0

us-gaap:ProceedsFromStockOptionsExercised

us-gaap:ProceedsFromStockOptionsExercised


Proceeds
Period End2021-06-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.30.00.11.62.60.20.10.43.28.41.02.11.40.00.41.50.30.20.10.10.10.01.60.00.70.31.23.12.50.00.40.81.10.20.10.80.71.10.20.20.10.00.0
Percentage of ProceedsFromStockOptionsExercised100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent

us-gaap:ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-03-312018-12-31
Value-2600000.0-10600000.0-1600000.0-1400000.0-1700000.0-1300000.0-700000.01000000.0100000.0-1200000.0
Percentage of ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-03-312018-12-31
Value-2700000.0-11700000.0-3600000.0-3600000.0-3200000.0-3100000.0-3000000.0-3000000.0-1700000.0-1700000.0
Percentage of ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent103.8110.4225.0257.1188.2238.5428.6-300.0-1700.0141.7

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-03-312018-12-31
Value100000.01100000.02000000.02200000.01500000.01800000.02300000.04000000.01800000.0500000.0
Percentage of ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent-3.8-10.4-125.0-157.1-88.2-138.5-328.6400.01800.0-41.7

us-gaap:RepaymentsOfOtherLongTermDebt

us-gaap:RepaymentsOfOtherLongTermDebt


Repayments
Period End2021-03-312020-12-312020-09-30
Value0.00.0250
Percentage of RepaymentsOfOtherLongTermDebt0.00.0100.0

us-gaap:RestructuringCharges

us-gaap:RestructuringCharges


Restructuring
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-03-312018-12-312016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value0.10.01.30.02.30.00.00.010.00.00.43.8250.00.00.00.0
Percentage of RestructuringCharges100.00.0100.00.0100.00.00.00.0100.00.0100.0100.0100.00.00.00.00.0

us-gaap:RestructuringCostsAndAssetImpairmentCharges

us-gaap:RestructuringCostsAndAssetImpairmentCharges


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312017-06-302016-06-302015-06-302014-06-30
Value1.60000000000000195.00.010.0660.02.30.00.01.30.0
Percentage of RestructuringCostsAndAssetImpairmentCharges100.0100.00.0100.0100.00.0100.00.00.0100.00.0

us-gaap:RestructuringReserveSettledWithoutCash2

us-gaap:RestructuringReserveSettledWithoutCash2


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value2.64.90.08.7540.0
Percentage of RestructuringReserveSettledWithoutCash2100.0100.00.0100.0100.00.0

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability


Right
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value0.60.00.01.40.75.2110.9
Percentage of RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability100.00.00.0100.0100.0100.0100.0100.0

us-gaap:SeveranceCosts1 us-gaap:StatementBusinessSegments

us-gaap:SeveranceCosts1

crs:PerformanceEngineeredProductsSegment


Severance
Period End2021-03-312020-09-30
Value600000.01300000.0
Percentage of SeveranceCosts1100.0100.0

us-gaap:ShortTermLeaseCost

us-gaap:ShortTermLeaseCost


Short
Period End2021-06-302021-03-312020-12-312020-09-302020-03-312019-12-312019-09-30
Value600000.0700000.0700000.0800000.0900000.0800000.0800000.0
Percentage of ShortTermLeaseCost100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value3.12.32.81.0-2.03.94.3-1.43.44.65.10.04.04.64.24.23.03.23.62.91.81.82.82.43.73.50.0-0.31.42.92.50.21.91.93.5-0.3
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value3.02.21.1-5.5-4.33.63.2-5.10.64.64.7-2.93.04.52.74.02.52.92.42.61.51.52.72.03.03.4-0.7-3.6-0.32.72.5-4.0-0.90.63.4-8.6
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation96.895.739.3-550.0215.092.374.4364.317.6100.092.20.075.097.864.395.283.390.666.789.783.383.396.483.381.197.10.01200.0-21.493.1100.0-2000.0-47.431.697.12866.7

us-gaap:TreasuryStock


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value0.099999999999999060.11.76.52.30.31.13.32.80.00.32.91.00.11.50.20.50.31.20.30.30.30.10.40.70.10.73.31.70.20.04.22.81.30.18.3
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation3.24.360.7650.0-115.07.725.6-235.782.40.05.90.025.02.235.74.816.79.433.310.316.716.73.616.718.92.90.0-1100.0121.46.90.02100.0147.468.42.9-2766.7

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised


Stock
Period End2021-06-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.20.00.01.72.60.20.00.33.28.41.02.11.40.00.41.50.30.20.10.10.10.01.60.00.70.31.23.12.50.00.40.81.10.10.20.80.71.10.20.10.20.00.0
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.00.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value0.20.00.11.42.20.20.10.32.97.20.91.81.10.00.41.10.30.10.10.10.10.01.4-0.10.60.31.02.52.10.00.30.60.80.10.20.60.6
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.00.00.082.484.6100.00.0100.090.685.790.085.778.60.0100.073.3100.050.0100.0100.0100.00.087.50.085.7100.083.380.684.00.075.075.072.7100.0100.075.085.7

us-gaap:SubleaseIncome

us-gaap:SubleaseIncome


Sublease
Period End2021-06-302021-03-312020-12-31
Value200000.0300000.0200000.0
Percentage of SubleaseIncome100.0100.0100.0

us-gaap:UndistributedEarnings

us-gaap:UndistributedEarnings


Undistributed
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value-57.2-40.6-85.1-47.1-117.7393840485035314229912325206.9-6.214-23.9118.922-1.42413383029344032323940322323
Percentage of UndistributedEarnings100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UndistributedEarningsDiluted

us-gaap:UndistributedEarningsDiluted


Undistributed
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value-57.2-40.6-85.1-47.1-117.7393840485035314229912325206.9-6.214-23.9118.922-1.4241338302934403232
Percentage of UndistributedEarningsDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic

us-gaap:UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic


Undistributed
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value100000.0100000.0200000.0-700000.0400000.0400000.0400000.0500000.0600000.0400000.0300000.0400000.0300000.0900000.0200000.0100000.0100000.0100000.00100000.0000100000.0000100000.0100000.0100000.0
Percentage of UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.00.00.0100.00.00.00.0100.0100.0100.0

us-gaap:VariableLeaseCost

us-gaap:VariableLeaseCost


Variable
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value00100000.0200000.0100000.0100000.0100000.0100000.0
Percentage of VariableLeaseCost0.00.0100.0100.0100.0100.0100.0100.0

crs:AmountOfRawMaterialToBePurchasedFromForwardContracts us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

crs:AmountOfRawMaterialToBePurchasedFromForwardContracts

us-gaap:CommodityContract, us-gaap:CashFlowHedging


Amount
Period End2021-06-302021-03-312020-12-312020-09-30
Value6.87.99.010
Percentage of AmountOfRawMaterialToBePurchasedFromForwardContracts100.0100.0100.0100.0

crs:DebtInstrumentCovenantCreditCommitmentAmount us-gaap:CreditFacility, us-gaap:LongtermDebtType

crs:DebtInstrumentCovenantCreditCommitmentAmount

us-gaap:RevolvingCreditFacility, us-gaap:LineOfCredit


Debt
Period End2021-03-26
Value300
Percentage of DebtInstrumentCovenantCreditCommitmentAmount100.0

crs:DebtInstrumentCovenantMinimumAvailableLiquidity us-gaap:CreditFacility, us-gaap:LongtermDebtType

crs:DebtInstrumentCovenantMinimumAvailableLiquidity

us-gaap:RevolvingCreditFacility, us-gaap:LineOfCredit


Debt
Period End2021-06-30
Value150
Percentage of DebtInstrumentCovenantMinimumAvailableLiquidity100.0

crs:DeferredTaxAssetsOperatingLeaseLiability

crs:DeferredTaxAssetsOperatingLeaseLiability


Deferred
Period End2021-06-302020-06-30
Value8.914
Percentage of DeferredTaxAssetsOperatingLeaseLiability100.0100.0

crs:DeferredTaxLiabilitiesDepreciation

crs:DeferredTaxLiabilitiesDepreciation


Deferred
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-302013-06-302012-06-302011-06-302010-06-30
Value271257249235347333321232227239177170
Percentage of DeferredTaxLiabilitiesDepreciation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

crs:DerivativeContractsAssetValueifPresentedonGrossBasis

crs:DerivativeContractsAssetValueifPresentedonGrossBasis


Derivative
Period End2021-06-30
Value17
Percentage of DerivativeContractsAssetValueifPresentedonGrossBasis100.0

crs:DerivativeContractsLiabilityValueifPresentedonGrossBasis

crs:DerivativeContractsLiabilityValueifPresentedonGrossBasis


Derivative
Period End2021-06-30
Value7300000.0
Percentage of DerivativeContractsLiabilityValueifPresentedonGrossBasis100.0

crs:GoodwillMeasurementInput us-gaap:MeasurementInputType, us-gaap:ReportingUnit, us-gaap:ValuationTechnique

crs:GoodwillMeasurementInput

crs:MeasurementInputTerminalGrowthRate, crs:SpecialAlloyOperationsReportingUnit, us-gaap:ValuationTechniqueDiscountedCashFlow


Goodwill
Period End2021-06-30
Value3.0
Percentage of GoodwillMeasurementInput100.0

crs:MeasurementInputWeightedAverageCostOfCapital, crs:SpecialAlloyOperationsReportingUnit, us-gaap:ValuationTechniqueDiscountedCashFlow


Goodwill
Period End2021-06-30
Value9.0
Percentage of GoodwillMeasurementInput300.0

crs:InventoryFinishedGoodsAndPurchasedPartsNetOfReserves

crs:InventoryFinishedGoodsAndPurchasedPartsNetOfReserves


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-06-30
Value10413514617719419418918419219320115515918419018217218619018419219021620418819920118918319422022122123424022921593
Percentage of InventoryFinishedGoodsAndPurchasedPartsNetOfReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

crs:LesseeOperatingLeaseLiabilityToBePaidAfterYearFour

crs:LesseeOperatingLeaseLiabilityToBePaidAfterYearFour


Lessee
Period End2021-03-312020-12-312020-09-30
Value232323
Percentage of LesseeOperatingLeaseLiabilityToBePaidAfterYearFour100.0100.0100.0

crs:OtherThanLIFOInventoryAmount

crs:OtherThanLIFOInventoryAmount


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-06-30
Value107114119126136165178179173182181158138136107
Percentage of OtherThanLIFOInventoryAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

crs:PercentageOfGoodwill us-gaap:ReportingUnit

crs:PercentageOfGoodwill

crs:SpecialAlloyOperationsReportingUnit


Percentage
Period End2021-06-302021-03-312020-12-312020-06-30
Value81.081.081.067.0
Percentage of PercentageOfGoodwill100.0100.0100.0100.0

crs:ReportingUnitLongTermGrowthRateReductionNecessaryToApproximateNetBookValue us-gaap:ReportingUnit

crs:ReportingUnitLongTermGrowthRateReductionNecessaryToApproximateNetBookValue

crs:SpecialAlloyOperationsReportingUnit


Reporting
Period End2021-06-30
Value0.5
Percentage of ReportingUnitLongTermGrowthRateReductionNecessaryToApproximateNetBookValue100.0

crs:ReportingUnitPercentageOfFairValueInExcessOfCarryingValueIfLongTermGrowthRateReducedByOneHalfPercent us-gaap:ReportingUnit

crs:ReportingUnitPercentageOfFairValueInExcessOfCarryingValueIfLongTermGrowthRateReducedByOneHalfPercent

crs:SpecialAlloyOperationsReportingUnit


Reporting
Period End2021-06-30
Value22.0
Percentage of ReportingUnitPercentageOfFairValueInExcessOfCarryingValueIfLongTermGrowthRateReducedByOneHalfPercent100.0

crs:TaxExpenseNotRecognizedAmountOfUnrecognizedTaxExpenseUndistributedEarningsOfForeignSubsidiariesRepatriated

crs:TaxExpenseNotRecognizedAmountOfUnrecognizedTaxExpenseUndistributedEarningsOfForeignSubsidiariesRepatriated


Tax
Period End2021-06-30
Value800000.0
Percentage of TaxExpenseNotRecognizedAmountOfUnrecognizedTaxExpenseUndistributedEarningsOfForeignSubsidiariesRepatriated100.0

dei:EntityPublicFloat

dei:EntityPublicFloat


Entity
Period End2020-12-31
Value1398
Percentage of EntityPublicFloat100.0

us-gaap:AccrualForEnvironmentalLossContingencies

us-gaap:AccrualForEnvironmentalLossContingencies


Accrual
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-30
Value1111111111101010
Percentage of AccrualForEnvironmentalLossContingencies100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccrualForEnvironmentalLossContingenciesDiscountRate

us-gaap:AccrualForEnvironmentalLossContingenciesDiscountRate


Accrual
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-302015-06-30
Value3.03.00.030.030.030.030.04
Percentage of AccrualForEnvironmentalLossContingenciesDiscountRate100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccrualForEnvironmentalLossContingenciesGross

us-gaap:AccrualForEnvironmentalLossContingenciesGross


Accrual
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-06-30
Value1616161616161515161615151616161616161616161616151515151515151414144.94.94.94.95.14.94.94.94.9
Percentage of AccrualForEnvironmentalLossContingenciesGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent


Allowance
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-302013-06-302012-06-302011-06-302010-06-30
Value6500000.04600000.03700000.02600000.02600000.04100000.03800000.03400000.04100000.04900000.02700000.02700000.0
Percentage of AllowanceForDoubtfulAccountsReceivableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashSurrenderValueOfLifeInsurance us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis

us-gaap:CashSurrenderValueOfLifeInsurance

us-gaap:FairValueInputsLevel2, us-gaap:CarryingReportedAmountFairValueDisclosure


Cash
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-06-30
Value232119181620181716151716151615151514141412131213161716161513
Percentage of CashSurrenderValueOfLifeInsurance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueInputsLevel2, us-gaap:EstimateOfFairValueFairValueDisclosure


Cash
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-06-30
Value23211918162018171615171615161515151414141213121316
Percentage of CashSurrenderValueOfLifeInsurance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashSurrenderValueOfLifeInsurance us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


Cash
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-302013-12-312013-06-30
Value2418171615141413
Percentage of CashSurrenderValueOfLifeInsurance0.0100.0100.0100.0100.0100.00.0100.0

us-gaap:EstimateOfFairValueFairValueDisclosure


Cash
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-06-30
Value24181716151416171616151413
Percentage of CashSurrenderValueOfLifeInsurance0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:DebtInstrumentFaceAmount us-gaap:DebtInstrument

us-gaap:DebtInstrumentFaceAmount

crs:SeniorUnsecuredNotes6375PercentDueJuly2028


Debt
Period End2020-07-10
Value400
Percentage of DebtInstrumentFaceAmount100.0

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

crs:SeniorUnsecuredNotes6375PercentDueJuly2028, us-gaap:SeniorNotes


Debt
Period End2021-06-30
Value400
Percentage of DebtInstrumentFaceAmount0.0

us-gaap:DebtInstrumentFairValue us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis

us-gaap:DebtInstrumentFairValue

us-gaap:FairValueInputsLevel2, us-gaap:CarryingReportedAmountFairValueDisclosure


Debt
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-06-30
Value694694693551552550550550549547545545601603604605604604609611612608611607604
Percentage of DebtInstrumentFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueInputsLevel2, us-gaap:EstimateOfFairValueFairValueDisclosure


Debt
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-06-30
Value743754732551516567566560562547550558610622622622622596614597588598619628639629637638626602602
Percentage of DebtInstrumentFairValue107.1108.8105.599.993.6103.1102.8101.8102.499.9101.0102.3101.4103.1102.9102.9103.198.8100.997.896.198.4101.4103.50.00.00.0105.70.00.00.0

us-gaap:DebtInstrumentFairValue us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


Debt
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-06-30
Value694551550545605611609607604604604604604
Percentage of DebtInstrumentFairValue0.0100.0100.0100.0100.0100.00.00.00.0100.00.00.00.0

us-gaap:EstimateOfFairValueFairValueDisclosure


Debt
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-30
Value754551560558622597
Percentage of DebtInstrumentFairValue0.099.9101.8102.3102.997.8

us-gaap:DeferredFinanceCostsNet

us-gaap:DeferredFinanceCostsNet


Deferred
Period End2020-09-30
Value5600000.0
Percentage of DeferredFinanceCostsNet100.0

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredIncomeTaxAssetsNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-06-30
Value5300000.05000000.05100000.04700000.04900000.03800000.04100000.04000000.04200000.04600000.04600000.04500000.04300000.05600000.04100000.07500000.07600000.08200000.0
Percentage of DeferredIncomeTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredIncomeTaxLiabilities


Deferred
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-302015-06-30
Value320314301289423393371
Percentage of DeferredIncomeTaxLiabilities100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsGross


Deferred
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-302013-06-302012-06-302011-06-302010-06-30
Value194213187156264317245205240292176237
Percentage of DeferredTaxAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards


Deferred
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-302013-06-302012-06-302011-06-302010-06-30
Value382828262320202021202020
Percentage of DeferredTaxAssetsOperatingLossCarryforwards100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsNotSubjectToExpiration us-gaap:StatementGeographical

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsNotSubjectToExpiration

country:GB


Deferred
Period End2021-06-30
Value8200000.0
Percentage of DeferredTaxAssetsOperatingLossCarryforwardsNotSubjectToExpiration100.0

country:SE


Deferred
Period End2021-06-30
Value700000.0
Percentage of DeferredTaxAssetsOperatingLossCarryforwardsNotSubjectToExpiration8.5

country:SG


Deferred
Period End2021-06-30
Value1700000.0
Percentage of DeferredTaxAssetsOperatingLossCarryforwardsNotSubjectToExpiration20.7

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration


Deferred
Period End2021-06-30
Value388
Percentage of DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration100.0

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsOther


Deferred
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-302013-06-302012-06-302011-06-302010-06-30
Value383432294437323528441917
Percentage of DeferredTaxAssetsOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards


Deferred
Period End2021-06-302020-06-30
Value260.6
Percentage of DeferredTaxAssetsTaxCreditCarryforwards100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions


Deferred
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-302013-06-302012-06-302011-06-302010-06-30
Value51968666139193125829613275125
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits


Deferred
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-302013-06-302012-06-302011-06-302010-06-30
Value303935335451486664904861
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesDeferredExpenseCapitalizedInventoryCosts

us-gaap:DeferredTaxLiabilitiesDeferredExpenseCapitalizedInventoryCosts


Deferred
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-302013-06-302012-06-302011-06-302010-06-30
Value303336305027172821125.33.4
Percentage of DeferredTaxLiabilitiesDeferredExpenseCapitalizedInventoryCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets


Deferred
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-302013-06-302012-06-302011-06-302010-06-30
Value6.15.211111920263743419.47.8
Percentage of DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesLeasingArrangements

us-gaap:DeferredTaxLiabilitiesLeasingArrangements


Deferred
Period End2021-06-302020-06-30
Value6.612
Percentage of DeferredTaxLiabilitiesLeasingArrangements100.0100.0

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesOther


Deferred
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-30
Value6.05.14.33.56.2126.24.0
Percentage of DeferredTaxLiabilitiesOther100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPensionPlanCurrentAndNoncurrentLiabilities

us-gaap:DefinedBenefitPensionPlanCurrentAndNoncurrentLiabilities


Defined
Period End2021-03-31
Value116
Percentage of DefinedBenefitPensionPlanCurrentAndNoncurrentLiabilities100.0

us-gaap:DefinedBenefitPensionPlanLiabilitiesCurrent

us-gaap:DefinedBenefitPensionPlanLiabilitiesCurrent


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-09-302017-06-302016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value3.53.53427203.43.43.43.43.33.33.33.33.33.34.1103.43.43.33.36.5161719119.3109.79366657068534830
Percentage of DefinedBenefitPensionPlanLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPensionPlanLiabilitiesNoncurrent

us-gaap:DefinedBenefitPensionPlanLiabilitiesNoncurrent


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value222281375386399359363366371280282285288367369372378402405501509358343338334228209205203257255250246231336340377187158163188314313322
Percentage of DefinedBenefitPensionPlanLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-30
Value121713351331125713621319
Percentage of DefinedBenefitPlanAccumulatedBenefitObligation100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-30
Value0.239249.82415
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax100.0100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-30
Value308499459378469549
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax154000.01270.21884.43860.21956.73501.3

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-30
Value-10300000.0-53300000.0-42300000.0-32900000.0-52200000.0-61100000.0
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax100.0100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-30
Value-298000000.0-487200000.0-445700000.0-362100000.0-451300000.0-547700000.0
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax2893.2914.11053.71100.6864.6896.4

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-30
Value-10.1-14.0-17.9-23.1-28.2-45.4
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax100.0100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-30
Value10.0121416182.0
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax-99.0-85.7-78.8-70.1-64.9-4.4

us-gaap:DefinedBenefitPlanAmountsRecognizedInBalanceSheet us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAmountsRecognizedInBalanceSheet

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-30
Value-113000000.0-151400000.0-136800000.0-123600000.0-138100000.0-130400000.0
Percentage of DefinedBenefitPlanAmountsRecognizedInBalanceSheet100.0100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-30
Value-226100000.0-419700000.0-374600000.0-292000000.0-381500000.0-519300000.0
Percentage of DefinedBenefitPlanAmountsRecognizedInBalanceSheet200.1277.2273.8236.2276.2398.2

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate


Defined
Period End2021-03-312020-06-302016-08-31
Value3.213.020.0357
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate100.0100.0100.0

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate us-gaap:RetirementPlanType

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-30
Value3.043.00.0360.04320.03890.0386
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate0.099.30.00.00.00.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-30
Value3.063.020.03610.04320.03920.0392
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate0.0100.00.00.00.00.0

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302020-06-30
Value3.293.31
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease100.0100.0

us-gaap:DefinedBenefitPlanBenefitObligation us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanBenefitObligation

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-302015-06-30
Value249264255241255246236
Percentage of DefinedBenefitPlanBenefitObligation100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-302015-06-30
Value1225134313391264136914041323
Percentage of DefinedBenefitPlanBenefitObligation491.6508.4523.6523.6536.7570.9558.7

us-gaap:DefinedBenefitPlanExpectedAmortizationNextFiscalYear

us-gaap:DefinedBenefitPlanExpectedAmortizationNextFiscalYear


Defined
Period End2021-06-302019-06-302018-06-302017-06-30
Value5.8169.013
Percentage of DefinedBenefitPlanExpectedAmortizationNextFiscalYear100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanExpectedAmortizationNextFiscalYear us-gaap:RetirementPlanType

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302019-06-302018-06-302017-06-30
Value-4.7-1.4-3.5-2.3
Percentage of DefinedBenefitPlanExpectedAmortizationNextFiscalYear-81.0-8.6-38.9-17.3

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302019-06-302018-06-302017-06-30
Value10171215
Percentage of DefinedBenefitPlanExpectedAmortizationNextFiscalYear181.0108.6138.9117.3

us-gaap:DefinedBenefitPlanExpectedAmortizationOfGainLossNextFiscalYear

us-gaap:DefinedBenefitPlanExpectedAmortizationOfGainLossNextFiscalYear


Defined
Period End2021-06-302019-06-302018-06-302017-06-30
Value-7600000.0-18000000.0-12100000.0-16400000.0
Percentage of DefinedBenefitPlanExpectedAmortizationOfGainLossNextFiscalYear100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanExpectedAmortizationOfGainLossNextFiscalYear us-gaap:RetirementPlanType

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302019-06-302018-06-302017-06-30
Value800000.0-2500000.0-1700000.0-2900000.0
Percentage of DefinedBenefitPlanExpectedAmortizationOfGainLossNextFiscalYear-10.513.914.017.7

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302019-06-302018-06-302017-06-30
Value-8400000.0-15500000.0-10400000.0-13500000.0
Percentage of DefinedBenefitPlanExpectedAmortizationOfGainLossNextFiscalYear110.586.186.082.3

us-gaap:DefinedBenefitPlanExpectedAmortizationOfPriorServiceCostCreditNextFiscalYear

us-gaap:DefinedBenefitPlanExpectedAmortizationOfPriorServiceCostCreditNextFiscalYear


Defined
Period End2021-06-302019-06-302018-06-302017-06-30
Value-1800000.0-1800000.0-3100000.0-3100000.0
Percentage of DefinedBenefitPlanExpectedAmortizationOfPriorServiceCostCreditNextFiscalYear100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanExpectedAmortizationOfPriorServiceCostCreditNextFiscalYear us-gaap:RetirementPlanType

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302019-06-302018-06-302017-06-30
Value-3900000.0-3900000.0-5200000.0-5200000.0
Percentage of DefinedBenefitPlanExpectedAmortizationOfPriorServiceCostCreditNextFiscalYear216.7216.7167.7167.7

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302019-06-302018-06-302017-06-30
Value67737475
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302019-06-302018-06-302017-06-30
Value351395423406
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter520.6541.0568.0535.4

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302019-06-302018-06-302017-06-30
Value14141515
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302019-06-302018-06-302017-06-30
Value76838380
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths529.9564.6544.2521.9

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302019-06-302018-06-302017-06-30
Value14151515
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302019-06-302018-06-302017-06-30
Value73818682
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive511.9541.7564.1533.5

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302019-06-302018-06-302017-06-30
Value14151515
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302019-06-302018-06-302017-06-30
Value73828582
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour512.5545.7557.8532.9

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302019-06-302018-06-302017-06-30
Value14151515
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302019-06-302018-06-302017-06-30
Value74828582
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree509.6547.0553.9526.3

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302019-06-302018-06-302017-06-30
Value14151515
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302019-06-302018-06-302017-06-30
Value74828481
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo506.1545.7549.4525.8

us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsRemainderOfFiscalYear us-gaap:RetirementPlanTaxStatus, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsRemainderOfFiscalYear

us-gaap:QualifiedPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-09-30
Value16
Percentage of DefinedBenefitPlanExpectedFutureEmployerContributionsRemainderOfFiscalYear100.0

us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsRemainderOfFiscalYear us-gaap:RetirementPlanType

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-03-312020-12-31
Value9.015
Percentage of DefinedBenefitPlanExpectedFutureEmployerContributionsRemainderOfFiscalYear0.00.0

us-gaap:DefinedBenefitPlanFundedStatusOfPlan us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanFundedStatusOfPlan

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-30
Value-113000000.0-151400000.0-136800000.0-123600000.0-138100000.0-130400000.0
Percentage of DefinedBenefitPlanFundedStatusOfPlan100.0100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-30
Value-226100000.0-419700000.0-374600000.0-292000000.0-381500000.0-519300000.0
Percentage of DefinedBenefitPlanFundedStatusOfPlan200.1277.2273.8236.2276.2398.2

us-gaap:DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear

us-gaap:DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear


Defined
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-30
Value6.56.00.06250.0650.070.075
Percentage of DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsPlanAssets us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsPlanAssets

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302020-06-302019-06-302018-06-302017-06-30
Value136112119117117
Percentage of DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsPlanAssets100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302020-06-302019-06-302018-06-302017-06-30
Value999923964972987
Percentage of DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsPlanAssets733.2818.5810.7824.8843.9

us-gaap:DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsProjectedBenefitObligation us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsProjectedBenefitObligation

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302020-06-302019-06-302018-06-302017-06-30
Value249264255241255
Percentage of DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsProjectedBenefitObligation100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302020-06-302019-06-302018-06-302017-06-30
Value12251343133912641369
Percentage of DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsProjectedBenefitObligation491.6508.3523.4523.6536.7

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-30
Value249264255241255246
Percentage of DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation100.0100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-30
Value121713351331125713621319
Percentage of DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation488.4505.3520.3520.8534.2536.4

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-30
Value136112119117117115
Percentage of DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets100.0100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-30
Value999923964972987884
Percentage of DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets733.2818.5810.7824.8843.9765.5

us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage us-gaap:DefinedBenefitPlanByPlanAssetCategories

us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage

crs:LiabilityHedgingAssets


Defined
Period End2021-06-302019-06-302018-06-302017-06-30
Value40.00.40.40.4
Percentage of DefinedBenefitPlanPlanAssetsTargetAllocationPercentage100.0100.0100.0100.0

crs:ReturnSeekingAsset


Defined
Period End2021-06-302019-06-302018-06-302017-06-30
Value60.00.60.60.6
Percentage of DefinedBenefitPlanPlanAssetsTargetAllocationPercentage150.0150.0150.0150.0

us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanEquitySecurities, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302019-06-302018-06-30
Value84.00.70.87
Percentage of DefinedBenefitPlanPlanAssetsTargetAllocationPercentage210.0175.0217.5

us-gaap:ShortTermInvestments, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302019-06-30
Value16.00.23
Percentage of DefinedBenefitPlanPlanAssetsTargetAllocationPercentage40.057.5

us-gaap:DefinedBenefitPlanUltimateHealthCareCostTrendRate1

us-gaap:DefinedBenefitPlanUltimateHealthCareCostTrendRate1


Defined
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-30
Value5.05.00.050.050.050.05
Percentage of DefinedBenefitPlanUltimateHealthCareCostTrendRate1100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanWeightedAverageAssetAllocations us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanWeightedAverageAssetAllocations

us-gaap:DefinedBenefitPlanDebtSecurity, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302020-06-302019-06-302018-06-30
Value41.844.20.4630.443
Percentage of DefinedBenefitPlanWeightedAverageAssetAllocations100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanEquitySecurities, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302020-06-302019-06-302018-06-30
Value58.255.80.5370.557
Percentage of DefinedBenefitPlanWeightedAverageAssetAllocations139.2126.2116.0125.7

us-gaap:DefinedBenefitPlanWeightedAverageAssetAllocations us-gaap:RetirementPlanType

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302020-06-302019-06-302018-06-30
Value100.0100.01.01.0
Percentage of DefinedBenefitPlanWeightedAverageAssetAllocations239.2226.2216.0225.7

us-gaap:DerivativeAssets

us-gaap:DerivativeAssets


Derivative
Period End2021-06-302020-06-302019-06-302018-06-302012-03-312011-12-312011-09-302011-06-30
Value151012353.04.84.820
Percentage of DerivativeAssets100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeAssets us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel2


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-06-302012-03-312011-12-312011-09-302011-06-30
Value15111611106.7153912152.8353.04.84.820
Percentage of DerivativeAssets100.00.00.00.0100.00.00.00.0100.00.00.0100.0100.0100.0100.0100.0

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

us-gaap:DerivativeFairValueOfDerivativeAsset

us-gaap:OtherAssets, us-gaap:CommodityContract, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-06-30
Value5.27.65.33.11.06.76.0
Percentage of DerivativeFairValueOfDerivativeAsset100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherCurrentAssets, us-gaap:CommodityContract, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-06-30
Value6.48.65.92.21.16.23.8
Percentage of DerivativeFairValueOfDerivativeAsset123.1113.2111.371.0110.092.563.3

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


Derivative
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-06-30
Value0.10.10.20.90.50.6
Percentage of DerivativeFairValueOfDerivativeAsset1.91.96.590.07.510.0

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

us-gaap:OtherAssets, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-06-30
Value5.27.65.36.54.28.27.8
Percentage of DerivativeFairValueOfDerivativeAsset100.0100.0100.0209.7420.0122.4130.0

us-gaap:OtherCurrentAssets, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-06-30
Value6.58.66.03.62.56.94.7
Percentage of DerivativeFairValueOfDerivativeAsset125.0113.2113.2116.1250.0103.078.3

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

us-gaap:CommodityContract, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-06-30
Value1116115.32.1129.8
Percentage of DerivativeFairValueOfDerivativeAsset223.1213.2211.3171.0210.0192.5163.3

us-gaap:ForeignExchangeContract, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-06-30
Value0.10.10.80.90.50.8
Percentage of DerivativeFairValueOfDerivativeAsset1.91.925.890.07.513.3

us-gaap:DerivativeFairValueOfDerivativeAsset us-gaap:HedgingDesignation

us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-06-30
Value111611106.71512
Percentage of DerivativeFairValueOfDerivativeAsset225.0213.2213.2325.8670.0225.4208.3

us-gaap:DerivativeFairValueOfDerivativeLiability

us-gaap:DerivativeFairValueOfDerivativeLiability


Derivative
Period End2021-03-312020-12-312020-09-302020-03-312019-12-31
Value8.511132321
Percentage of DerivativeFairValueOfDerivativeLiability100.0100.0100.0100.0100.0

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

us-gaap:AccruedLiabilities, us-gaap:CommodityContract, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-06-30
Value0.45.76.911131216
Percentage of DerivativeFairValueOfDerivativeLiability4.748.751.90.058.055.30.0

us-gaap:AccruedLiabilities, us-gaap:ForeignExchangeContract, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-06-30
Value2.61.50.10.70.50.0
Percentage of DerivativeFairValueOfDerivativeLiability30.612.80.82.92.30.0

us-gaap:OtherLiabilities, us-gaap:CommodityContract, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-06-30
Value1.63.95.06.87.47.211
Percentage of DerivativeFairValueOfDerivativeLiability18.833.337.60.031.133.20.0

us-gaap:OtherLiabilities, us-gaap:ForeignExchangeContract, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2020-09-302020-03-312019-12-312019-06-30
Value0.30.31.00.0
Percentage of DerivativeFairValueOfDerivativeLiability2.31.34.60.0

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

us-gaap:AccruedLiabilities, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-06-30
Value3.07.27.011141216
Percentage of DerivativeFairValueOfDerivativeLiability35.361.552.60.060.957.60.0

us-gaap:OtherLiabilities, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-06-30
Value1.63.95.36.87.78.211
Percentage of DerivativeFairValueOfDerivativeLiability18.833.339.80.032.437.80.0

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

us-gaap:CommodityContract, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-06-30
Value2.09.61117211928
Percentage of DerivativeFairValueOfDerivativeLiability23.582.189.50.089.188.50.0

us-gaap:ForeignExchangeContract, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-06-30
Value2.61.50.41.01.50.0
Percentage of DerivativeFairValueOfDerivativeLiability30.612.83.04.26.90.0

us-gaap:DerivativeFairValueOfDerivativeLiability us-gaap:HedgingDesignation

us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-06-30
Value4.6111217222028
Percentage of DerivativeFairValueOfDerivativeLiability54.194.992.50.093.395.40.0

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

us-gaap:DerivativeInstrumentsInHedgesAssetsAtFairValue

us-gaap:OtherAssets, us-gaap:CommodityContract, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-06-302020-06-302019-09-302019-06-302018-06-302017-06-302016-06-30
Value5.93.1166.0195.70.0
Percentage of DerivativeInstrumentsInHedgesAssetsAtFairValue100.0100.0100.0100.0100.0100.00.0

us-gaap:OtherCurrentAssets, us-gaap:CommodityContract, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-06-302020-06-302019-09-302019-06-302018-06-302017-06-302016-06-30
Value10.02.2203.8156.40.6
Percentage of DerivativeInstrumentsInHedgesAssetsAtFairValue169.571.0124.763.378.9112.30.0

us-gaap:DerivativeInstrumentsInHedgesAssetsAtFairValue us-gaap:BalanceSheetLocation, us-gaap:HedgingDesignation

us-gaap:OtherAssets, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-06-302020-06-302019-09-302019-06-302018-06-302017-06-302016-06-30
Value5.96.5187.8197.39.7
Percentage of DerivativeInstrumentsInHedgesAssetsAtFairValue100.0209.7114.8130.0100.0128.10.0

us-gaap:OtherCurrentAssets, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-06-302020-06-302019-09-302019-06-302018-06-302017-06-302016-06-30
Value10.03.6214.7157.22.1
Percentage of DerivativeInstrumentsInHedgesAssetsAtFairValue169.5116.1130.978.381.4126.30.0

us-gaap:DerivativeInstrumentsInHedgesAssetsAtFairValue us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

us-gaap:CommodityContract, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-06-302020-06-302019-09-302019-06-302018-06-302017-06-302016-06-30
Value155.3369.834120.6
Percentage of DerivativeInstrumentsInHedgesAssetsAtFairValue269.5171.0224.7163.3178.9212.30.0

us-gaap:DerivativeInstrumentsInHedgesAssetsAtFairValue us-gaap:HedgingDesignation

us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-06-302020-06-302019-09-302019-06-302018-06-302017-06-302016-06-30
Value15103912351411
Percentage of DerivativeInstrumentsInHedgesAssetsAtFairValue269.5325.8245.7208.3181.4254.40.0

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

us-gaap:DerivativeInstrumentsInHedgesLiabilitiesAtFairValue

us-gaap:AccruedLiabilities, us-gaap:CommodityContract, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-06-302020-06-302019-09-302019-06-302018-06-302017-06-302016-06-30
Value1.61110160.01231
Percentage of DerivativeInstrumentsInHedgesLiabilitiesAtFairValue100.0100.0100.0100.00.0100.0100.0

us-gaap:AccruedLiabilities, us-gaap:ForeignExchangeContract, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-06-302019-09-302019-06-302018-06-302017-06-302016-06-30
Value2.60.00.00.11.00.3
Percentage of DerivativeInstrumentsInHedgesLiabilitiesAtFairValue162.50.00.00.08.31.0

us-gaap:OtherLiabilities, us-gaap:CommodityContract, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-06-302020-06-302019-09-302019-06-302018-06-302017-06-302016-06-30
Value1.16.87.3110.46.012
Percentage of DerivativeInstrumentsInHedgesLiabilitiesAtFairValue68.861.368.267.70.049.639.3

us-gaap:DerivativeInstrumentsInHedgesLiabilitiesAtFairValue us-gaap:BalanceSheetLocation, us-gaap:HedgingDesignation

us-gaap:AccruedLiabilities, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-06-302020-06-302019-09-302019-06-302018-06-302017-06-302016-06-30
Value4.21110160.11331
Percentage of DerivativeInstrumentsInHedgesLiabilitiesAtFairValue262.5100.0100.0100.00.0108.3101.0

us-gaap:OtherLiabilities, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-06-302020-06-302019-09-302019-06-302018-06-302017-06-302016-06-30
Value1.16.87.3113.36.012
Percentage of DerivativeInstrumentsInHedgesLiabilitiesAtFairValue68.861.368.267.70.049.639.3

us-gaap:DerivativeInstrumentsInHedgesLiabilitiesAtFairValue us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

us-gaap:CommodityContract, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-06-302020-06-302019-09-302019-06-302018-06-302017-06-302016-06-30
Value2.71718280.41843
Percentage of DerivativeInstrumentsInHedgesLiabilitiesAtFairValue168.8161.3168.2167.70.0149.6139.3

us-gaap:ForeignExchangeContract, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-06-302019-09-302019-06-302018-06-302017-06-302016-06-30
Value2.60.00.00.11.00.3
Percentage of DerivativeInstrumentsInHedgesLiabilitiesAtFairValue162.50.00.00.08.31.0

us-gaap:DerivativeInstrumentsInHedgesLiabilitiesAtFairValue us-gaap:HedgingDesignation

us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-06-302020-06-302019-09-302019-06-302018-06-302017-06-302016-06-30
Value5.31718283.41943
Percentage of DerivativeInstrumentsInHedgesLiabilitiesAtFairValue331.2161.3168.2167.70.0157.9140.3

us-gaap:DerivativeLiabilities

us-gaap:DerivativeLiabilities


Derivative
Period End2021-06-302020-06-302019-06-302018-06-30
Value5.317283.4
Percentage of DerivativeLiabilities100.0100.0100.0100.0

us-gaap:DerivativeLiabilities us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel2


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-06-30
Value5.34.61112172220182830223.4
Percentage of DerivativeLiabilities100.00.00.00.0100.00.00.00.0100.00.00.0100.0

us-gaap:DerivativeLiabilitiesCurrent

us-gaap:DerivativeLiabilitiesCurrent


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-06-30
Value4.23.07.27.0111412101617124.00.01.22.95.81311152031434942323521134.715292829171815262424247.71.9
Percentage of DerivativeLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeLiabilityFairValueGrossAsset

us-gaap:DerivativeLiabilityFairValueGrossAsset


Derivative
Period End2021-03-312020-12-312020-09-30
Value151612
Percentage of DerivativeLiabilityFairValueGrossAsset100.0100.0100.0

us-gaap:DisposalGroupIncludingDiscontinuedOperationConsideration us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:DisposalGroupIncludingDiscontinuedOperationConsideration

us-gaap:DiscontinuedOperationsDisposedOfBySale, crs:AmegaWest


Disposal
Period End2020-09-30
Value20
Percentage of DisposalGroupIncludingDiscontinuedOperationConsideration100.0

us-gaap:EmployeeRelatedLiabilitiesCurrent

us-gaap:EmployeeRelatedLiabilitiesCurrent


Employee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-06-30
Value8165444750445142715651428365524359484336413440444446434749423234493930305041
Percentage of EmployeeRelatedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized us-gaap:AwardType

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

crs:EmployeeAndDirectorsStockOptions


Employee
Period End2021-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-30
Value0.31.44.16.21.52.73.2
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized us-gaap:AwardType, us-gaap:PlanName

us-gaap:RestrictedStockUnitsRSU, crs:OmnibusPlan


Employee
Period End2021-06-302019-06-302018-06-302017-06-30
Value5.46.5118.2
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized1800.0464.3268.3132.3

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized us-gaap:PlanName

crs:DirectorsPlan


Employee
Period End2021-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-302013-06-302012-06-30
Value0.30.30.30.30.40.30.30.30.3
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized100.021.47.34.826.711.19.40.00.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization


Finite
Period End2021-06-302021-03-312020-12-312020-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-302013-06-302012-06-302011-06-302010-06-30
Value7272726962544747554634221513
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:CustomerRelationships


Finite
Period End2021-06-302021-03-312020-12-312020-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-302013-06-302012-06-302011-06-30
Value444443413630252221159.43.40.7
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization60.761.560.358.958.056.454.046.638.432.727.415.44.4

us-gaap:NoncompeteAgreements


Finite
Period End2021-03-312020-12-312020-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-302013-06-302012-06-302011-06-30
Value0.10.10.10.10.10.04.73.72.92.11.20.4
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization0.10.10.10.20.20.09.96.76.26.15.42.5

us-gaap:Patents


Finite
Period End2021-06-302021-03-312020-12-312020-06-302019-06-302018-06-30
Value1.41.21.11.70.70.0
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization1.91.61.52.41.10.0

us-gaap:TechnologyBasedIntangibleAssets


Finite
Period End2021-06-302021-03-312020-12-312020-06-302019-06-302018-06-302017-06-302016-06-30
Value2.81.51.51.51.00.50.10.0
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization3.92.12.12.11.60.90.20.0

us-gaap:Trademarks


Finite
Period End2021-06-302021-03-312020-12-312020-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-302013-06-302012-06-30
Value242526252423212029272217
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization33.534.636.036.339.142.545.843.552.358.564.478.3

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths


Finite
Period End2021-06-30
Value6800000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive


Finite
Period End2021-06-30
Value6500000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFive100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour


Finite
Period End2021-06-30
Value6500000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFour100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree


Finite
Period End2021-06-30
Value6600000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearThree100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo


Finite
Period End2021-06-30
Value6800000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo100.0

us-gaap:FiniteLivedIntangibleAssetsGross

us-gaap:FiniteLivedIntangibleAssetsGross


Finite
Period End2021-06-302021-03-312020-12-312020-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-302013-06-302012-06-302011-06-302010-06-30
Value1151291291291291171121101271271291324531
Percentage of FiniteLivedIntangibleAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsGross us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:CustomerRelationships


Finite
Period End2021-06-302021-03-312020-12-312020-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-302013-06-302012-06-302011-06-30
Value7076767676767373787878786.1
Percentage of FiniteLivedIntangibleAssetsGross61.259.559.559.559.565.265.065.961.561.560.559.213.3

us-gaap:NoncompeteAgreements


Finite
Period End2021-03-312020-12-312020-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-302013-06-302012-06-302011-06-30
Value0.20.20.20.20.20.25.45.45.45.45.45.4
Percentage of FiniteLivedIntangibleAssetsGross0.20.20.20.20.20.24.94.24.24.24.111.8

us-gaap:Patents


Finite
Period End2021-06-302021-03-312020-12-312020-06-302019-06-302018-06-30
Value11111111110.0
Percentage of FiniteLivedIntangibleAssetsGross9.98.88.88.88.80.0

us-gaap:TechnologyBasedIntangibleAssets


Finite
Period End2021-06-302021-03-312020-12-312020-06-302019-06-302018-06-302017-06-302016-06-30
Value3.67.37.37.37.37.35.70.0
Percentage of FiniteLivedIntangibleAssetsGross3.15.65.65.65.66.25.10.0

us-gaap:Trademarks


Finite
Period End2021-06-302021-03-312020-12-312020-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-302013-06-302012-06-30
Value293333333333333242424242
Percentage of FiniteLivedIntangibleAssetsGross25.825.925.925.925.928.429.729.233.033.032.531.8

us-gaap:GoodwillGross

us-gaap:GoodwillGross


Goodwill
Period End2021-06-302021-03-312020-12-312020-06-302019-06-302018-06-302017-06-302017-03-312016-06-302016-03-312015-06-302014-06-302014-03-312013-06-302012-06-302011-06-302010-06-30
Value3763763763723733153103182922922922922922922957969
Percentage of GoodwillGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GoodwillImpairedAccumulatedImpairmentLoss

us-gaap:GoodwillImpairedAccumulatedImpairmentLoss


Goodwill
Period End2021-06-302021-03-312020-12-312020-06-302019-06-302018-06-302017-06-302017-03-312016-06-302016-03-312015-06-302014-06-302014-03-312013-06-302012-06-302011-06-302010-06-30
Value1341341348147474747474734343434343434
Percentage of GoodwillImpairedAccumulatedImpairmentLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GoodwillImpairedAccumulatedImpairmentLoss us-gaap:StatementBusinessSegments

crs:SpecialtyAlloyOperationsSegment


Goodwill
Period End2020-12-31
Value-0.0
Percentage of GoodwillImpairedAccumulatedImpairmentLoss-0.0

us-gaap:InterestPayableCurrent

us-gaap:InterestPayableCurrent


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-06-30
Value166.4155.4103.9103.8103.9103.8105.6115.6115.6115.6115.6115.6115.6115.611111111
Percentage of InterestPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryRawMaterialsAndSuppliesNetOfReserves

us-gaap:InventoryRawMaterialsAndSuppliesNetOfReserves


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-06-30
Value11516017419221723824819416920017717015716818617215215715214713714215814112114314013812212614712711112213714011463
Percentage of InventoryRawMaterialsAndSuppliesNetOfReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryWorkInProcessNetOfReserves

us-gaap:InventoryWorkInProcessNetOfReserves


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-06-30
Value206239244264312436459459425466465414372379395383365374357329298316312341346368414400393401352358325329355352312171
Percentage of InventoryWorkInProcessNetOfReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LIFOInventoryAmount

us-gaap:LIFOInventoryAmount


L
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-302013-06-302012-06-30
Value557722793760689608697733708759
Percentage of LIFOInventoryAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value10101111
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear


Lessee
Period End2021-03-312020-12-312020-09-30
Value2.96.410
Percentage of LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear100.0100.0100.0

us-gaap:LettersOfCreditOutstandingAmount

us-gaap:LettersOfCreditOutstandingAmount


Letters
Period End2021-03-31
Value5400000.0
Percentage of LettersOfCreditOutstandingAmount100.0

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

us-gaap:LetterOfCredit, us-gaap:LineOfCredit


Letters
Period End2021-06-30
Value5400000.0
Percentage of LettersOfCreditOutstandingAmount0.0

us-gaap:LineOfCreditFacilityInterestRateAtPeriodEnd us-gaap:CreditFacility, us-gaap:LongtermDebtType

us-gaap:LineOfCreditFacilityInterestRateAtPeriodEnd

us-gaap:RevolvingCreditFacility, us-gaap:LineOfCredit


Line
Period End2021-03-31
Value2.11
Percentage of LineOfCreditFacilityInterestRateAtPeriodEnd100.0

us-gaap:LineOfCreditFacilityInterestRateAtPeriodEnd us-gaap:LongtermDebtType

us-gaap:LineOfCredit


Line
Period End2021-06-302020-12-312020-09-30
Value2.11.651.65
Percentage of LineOfCreditFacilityInterestRateAtPeriodEnd0.00.00.0

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

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity

us-gaap:LetterOfCredit, us-gaap:LineOfCredit


Line
Period End2021-03-26
Value40
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity100.0

us-gaap:RevolvingCreditFacility, us-gaap:LineOfCredit


Line
Period End2021-03-26
Value500
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity1250.0

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity us-gaap:DebtInstrument

us-gaap:LetterOfCredit


Line
Period End2021-06-30
Value300
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity0.0

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

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity

us-gaap:RevolvingCreditFacility, us-gaap:LineOfCredit


Line
Period End2021-03-31
Value294
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity100.0

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity us-gaap:LongtermDebtType

us-gaap:LineOfCredit


Line
Period End2021-06-30
Value294
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity0.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths


Long
Period End2021-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-06-30
Value0.00.00.00.00.00.00.00.00.0555555550.00.00.00.00.00.00.00.00.00.00.0
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths0.00.00.00.00.00.00.00.00.0100.0100.0100.0100.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive


Long
Period End2021-06-30
Value0
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive0.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour


Long
Period End2021-06-30
Value0
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour0.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree


Long
Period End2021-06-30
Value0
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree0.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo


Long
Period End2021-06-30
Value300
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo100.0

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value4.04.03.93.93.90.0390.037
Percentage of OperatingLeaseWeightedAverageDiscountRatePercent100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent

us-gaap:OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value98138138137137122122122122109109108108124123123122118117116116106108109111160161162163148149150151177178178179161107107108145145146
Percentage of OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities us-gaap:RetirementPlanType

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Pension
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-30
Value141414151513
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities100.0100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Pension
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-30
Value3.5203.43.33.310
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities24.3144.323.121.421.373.2

us-gaap:PostemploymentBenefitsLiabilityCurrent

us-gaap:PostemploymentBenefitsLiabilityCurrent


Postemployment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-06-30
Value141414141414141414151515151515151513131313141414141515151515151515171717171815151514
Percentage of PostemploymentBenefitsLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PurchaseObligation us-gaap:LongTermPurchaseCommitmentByCategoryOfItemPurchased

us-gaap:PurchaseObligation

us-gaap:Inventories


Purchase
Period End2021-06-30
Value250
Percentage of PurchaseObligation100.0

us-gaap:PurchaseObligationDueInFifthYear

us-gaap:PurchaseObligationDueInFifthYear


Purchase
Period End2021-06-30
Value400000.0
Percentage of PurchaseObligationDueInFifthYear100.0

us-gaap:PurchaseObligationDueInFourthYear

us-gaap:PurchaseObligationDueInFourthYear


Purchase
Period End2021-06-30
Value800000.0
Percentage of PurchaseObligationDueInFourthYear100.0

us-gaap:PurchaseObligationDueInNextTwelveMonths

us-gaap:PurchaseObligationDueInNextTwelveMonths


Purchase
Period End2021-06-30
Value173
Percentage of PurchaseObligationDueInNextTwelveMonths100.0

us-gaap:PurchaseObligationDueInSecondYear

us-gaap:PurchaseObligationDueInSecondYear


Purchase
Period End2021-06-30
Value54
Percentage of PurchaseObligationDueInSecondYear100.0

us-gaap:PurchaseObligationDueInThirdYear

us-gaap:PurchaseObligationDueInThirdYear


Purchase
Period End2021-06-30
Value21
Percentage of PurchaseObligationDueInThirdYear100.0

us-gaap:ReportingUnitPercentageOfFairValueInExcessOfCarryingAmount us-gaap:ReportingUnit

us-gaap:ReportingUnitPercentageOfFairValueInExcessOfCarryingAmount

crs:SpecialAlloyOperationsReportingUnit


Reporting
Period End2021-06-30
Value26.3
Percentage of ReportingUnitPercentageOfFairValueInExcessOfCarryingAmount100.0

us-gaap:ReportingUnitPercentageOfFairValueInExcessOfCarryingAmount us-gaap:StatementBusinessSegments

crs:PerformanceEngineeredProductsSegment


Reporting
Period End2021-06-30
Value45.0
Percentage of ReportingUnitPercentageOfFairValueInExcessOfCarryingAmount171.1

us-gaap:RestructuringReserve

us-gaap:RestructuringReserve


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302017-06-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-06-30
Value1400000.02100000.02600000.04300000.09500000.0000300000.0700000.01000000.01400000.02300000.00
Percentage of RestructuringReserve100.0100.0100.0100.0100.00.00.00.0100.0100.0100.0100.0100.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue us-gaap:AwardType, us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:RestrictedStockUnitsRSU, crs:OmnibusPlan


Share
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-30
Value44.9845.9944.6641.5437.4735.6945.0944.99
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue us-gaap:PlanName

crs:DirectorsPlan


Share
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-302013-06-302012-06-302011-06-302010-06-302009-06-30
Value35.5436.2535.2533.0542.4738.6435.4832.2530.0627.125.8122.6625.95
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue79.078.878.979.6113.3108.378.771.70.00.00.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice

crs:EmployeeAndDirectorsStockOptions


Share
Period End2021-06-30
Value44.15
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

crs:EmployeeAndDirectorsStockOptions


Share
Period End2021-06-30
Value2713698
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue100.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1 us-gaap:AwardType

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1

crs:EmployeeAndDirectorsStockOptions


Sharebased
Period End2021-06-30
Value1239260
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1100.0

us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1 us-gaap:AwardType

us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1

crs:EmployeeAndDirectorsStockOptions


Sharebased
Period End2021-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-30
Value44.1545.6646.2644.743.441.4437.15
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1100.0100.0100.0100.0100.0100.0100.0

us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1 us-gaap:AwardType, us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRange

crs:EmployeeAndDirectorsStockOptions, crs:ExercisePriceRangeFive


Sharebased
Period End2021-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-30
Value53.0852.952.9553.4653.2553.8956.7
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1120.2115.9114.5119.6122.7130.0152.6

crs:EmployeeAndDirectorsStockOptions, crs:ExercisePriceRangeFour


Sharebased
Period End2021-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-30
Value42.5742.3942.4143.0143.1143.5545.68
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice196.492.891.796.299.3105.1123.0

crs:EmployeeAndDirectorsStockOptions, crs:ExercisePriceRangeThree


Sharebased
Period End2021-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-30
Value38.737.236.8835.2834.5134.5534.66
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice187.781.579.778.979.583.493.3

us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1 us-gaap:AwardType

us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1

crs:EmployeeAndDirectorsStockOptions


Sharebased
Period End2021-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-30
Value43.4744.0642.8842.2743.3544.6142.69
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1100.0100.0100.0100.0100.0100.0100.0

us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1 us-gaap:AwardType, us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRange

crs:EmployeeAndDirectorsStockOptions, crs:ExercisePriceRangeFive


Sharebased
Period End2021-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-30
Value53.353.8452.9553.4953.6253.755.6
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1122.6122.2123.5126.5123.7120.4130.2

crs:EmployeeAndDirectorsStockOptions, crs:ExercisePriceRangeFour


Sharebased
Period End2021-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-30
Value42.7741.9441.9143.0143.1143.1846.75
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance198.495.297.7101.899.496.8109.5

crs:EmployeeAndDirectorsStockOptions, crs:ExercisePriceRangeOne


Sharebased
Period End2021-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-30
Value18.2617.2917.317.2917.2917.2917.29
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance142.039.240.340.939.938.840.5

crs:EmployeeAndDirectorsStockOptions, crs:ExercisePriceRangeThree


Sharebased
Period End2021-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-30
Value38.738.4138.4238.1635.8334.5534.66
Percentage of SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance189.087.289.690.382.777.481.2

us-gaap:TreasuryStockShares

us-gaap:TreasuryStockShares


Treasury
Period End2021-06-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value7.9839438.162288.2084148.2147838.2501548.338388.4150178.4175218.4232538.5204858.5521688.5559658.5919218.5964788.6087798.6167858.6465338.6544448.6628477.6375016.1149374.9166982.1394552.1394551.951282.0247312.0636652.067182.068662.1522752.2058792.2325942.2338112.3967682.452246101010101010
Percentage of TreasuryStockShares100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UndistributedEarningsOfForeignSubsidiaries

us-gaap:UndistributedEarningsOfForeignSubsidiaries


Undistributed
Period End2021-06-302017-03-312016-12-312016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-06-30
Value56959510611211211211890128
Percentage of UndistributedEarningsOfForeignSubsidiaries100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ValuationAllowancesAndReservesBalance us-gaap:ValuationAllowancesAndReservesType

us-gaap:ValuationAllowancesAndReservesBalance

us-gaap:AllowanceForCreditLoss


Valuation
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-302015-06-30
Value3.63.43.72.62.64.13.8
Percentage of ValuationAllowancesAndReservesBalance100.0100.0100.0100.0100.0100.0100.0

us-gaap:ValuationAllowanceOfDeferredTaxAssets


Valuation
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-302013-06-302012-06-302011-06-302010-06-302009-06-302008-06-30
Value2524242318171717191817171712
Percentage of ValuationAllowancesAndReservesBalance700.0711.8664.9919.2711.5431.7460.50.00.00.00.00.00.00.0

Line plots across dimensions of each concept


us-gaap:CommonStockSharesOutstanding
us-gaap:StatementEquityComponents
(None,)
Common Stock Shares Outstandingus-gaap: Statement Equity Components
Operating Margin
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
Operating  Marginus-gaap: Consolidation Items, us-gaap: Statement Business Segments
TTM Greenblatt ROC
_
(None,)
T T M  Greenblatt  R O C_
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
('us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome', None)
Income Loss From Continuing Operations 
Before Income Taxes Extraordinary Items Noncontrolling Interestus-gaap: Reclassification Out Of Accumulated Other Comprehensive Income, us-gaap: Statement Equity Components
us-gaap:IncomeTaxExpenseBenefit
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
('us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome', None)
Income Tax Expense Benefitus-gaap: Reclassification Out Of Accumulated Other Comprehensive Income, us-gaap: Statement Equity Components
us-gaap:NetIncomeLoss
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
('us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome', None)
Net Income Lossus-gaap: Reclassification Out Of Accumulated Other Comprehensive Income, us-gaap: Statement Equity Components
us-gaap:OperatingIncomeLoss
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
Operating Income Lossus-gaap: Consolidation Items, us-gaap: Statement Business Segments
us-gaap:OperatingIncomeLoss
us-gaap:ConsolidationItems
(None,)
Operating Income Lossus-gaap: Consolidation Items
us-gaap:OtherNonoperatingIncomeExpense
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
('us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome', None)
Other Nonoperating Income Expenseus-gaap: Reclassification Out Of Accumulated Other Comprehensive Income, us-gaap: Statement Equity Components
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
Revenue From Contract With Customer Excluding Assessed Taxus-gaap: Consolidation Items, us-gaap: Statement Business Segments
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ProductOrService
(None,)
Revenue From Contract With Customer Excluding Assessed Taxus-gaap: Product Or Service
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:StatementGeographical
(None,)
Revenue From Contract With Customer Excluding Assessed Taxus-gaap: Statement Geographical
us-gaap:Assets
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
Assetsus-gaap: Consolidation Items, us-gaap: Statement Business Segments
us-gaap:Assets
us-gaap:ConsolidationItems
(None,)
Assetsus-gaap: Consolidation Items
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
Stockholders Equityus-gaap: Statement Equity Components
us-gaap:NoncurrentAssets
us-gaap:StatementGeographical
(None,)
Noncurrent Assetsus-gaap: Statement Geographical
us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType
(None,)
Property Plant And Equipment Grossus-gaap: Property Plant And Equipment By Type
us-gaap:Goodwill
us-gaap:StatementBusinessSegments
(None,)
Goodwillus-gaap: Statement Business Segments
us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
(None,)
Finite Lived Intangible Assets Netus-gaap: Finite Lived Intangible Assets By Major Class
us-gaap:LongTermDebt
us-gaap:DebtInstrument
(None,)
Long Term Debtus-gaap: Debt Instrument
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent
us-gaap:RetirementPlanType
(None,)
Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrentus-gaap: Retirement Plan Type
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
Stockholders Equityus-gaap: Statement Equity Components
us-gaap:DepreciationDepletionAndAmortization
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
Depreciation Depletion And Amortizationus-gaap: Consolidation Items, us-gaap: Statement Business Segments
us-gaap:DepreciationDepletionAndAmortization
us-gaap:ConsolidationItems
(None,)
Depreciation Depletion And Amortizationus-gaap: Consolidation Items
us-gaap:NetIncomeLoss
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
('us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome', None)