GPK


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

Table of contents



us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

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

us-gaap:GrossProfit

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:RetirementPlanType, us-gaap:StatementEquityComponents
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

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

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

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

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

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

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

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

us-gaap:Revenues
us-gaap:ConsolidationItems

us-gaap:SellingGeneralAndAdministrativeExpense

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

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:AccountsReceivableNetCurrent

us-gaap:ReceivablesNetCurrent

us-gaap:InventoryNet

us-gaap:OtherAssetsCurrent

us-gaap:NoncurrentAssets
us-gaap:ConsolidationItems, us-gaap:StatementGeographical
us-gaap:PropertyPlantAndEquipmentByType
us-gaap:PropertyPlantAndEquipmentGross
us-gaap:Restatement
us-gaap:AmortizationOfIntangibleAssets

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:Goodwill
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OtherAssetsNoncurrent

us-gaap:AccountsPayableCurrent

us-gaap:DebtCurrent

us-gaap:LiabilitiesCurrent

us-gaap:LongTermDebtCurrent

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OtherAccruedLiabilitiesCurrent

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

us-gaap:LongTermDebtNoncurrent

us-gaap:LongTermDebtAndCapitalLeaseObligations

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent
us-gaap:RetirementPlanType

us-gaap:MinorityInterest

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:OperatingLeaseLiability

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:MinorityInterest

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:DeferredIncomeTaxExpenseBenefit

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

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss

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

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:RepaymentsOfLongTermDebt

us-gaap:PaymentsOfDividends

us-gaap:Dividends
us-gaap:StatementEquityComponents

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

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxAssetsNet

us-gaap:UnrecognizedTaxBenefits

us-gaap:DeferredTaxAssetsValuationAllowance
us-gaap:IncomeTaxAuthority
us-gaap:IncomeTaxAuthority, us-gaap:ValuationAllowanceByDeferredTaxAsset

gpk:BusinessCombinationsAndShutdownAndOtherSpecialChargesNet

gpk:ComprehensiveIncomeLossNetOfTaxAttributableToNonredeemableNoncontrollingInterest

gpk:ComprehensiveIncomeLossNetOfTaxAttributableToRedeemableNoncontrollingInterest
us-gaap:RetirementPlanType
gpk:DefinedBenefitPlanPlanAssetContributionsByEmployerExcessDueToTerminatedPlan

gpk:GoodwillImpairmentRestructuringAndOtherSpecialCharges

gpk:IncomeLossBeforeEquityIncomeOfUnconsolidatedEntities
us-gaap:StatementScenario
gpk:MultiEmployerPlanSettlementAgreementAmountPaid

gpk:NetIncomeLossIncludingPortionAttributableToRedeemableNoncontrollingInterest

gpk:NonCashOrPartNonCashAcquisitionNetNonmonetaryAssetsAcquiredLiabilitiesAssumedFinancingActivities

gpk:NoncontrollingInterestTaxEffectFromRedemption
us-gaap:StatementEquityComponents

gpk:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxIncludingRedeemableNoncontrollingInterest

gpk:OtherComprehensiveIncomeLossCashFlowHedgesGainLossAfterReclassificationAndTaxNonredeemableNoncontrollingInterest

gpk:OtherComprehensiveIncomeLossDefinedBenefitPlanAfterReclassificationAdjustmentAfterTaxIncludingRedeemableNoncontrollingInterest

gpk:OtherComprehensiveIncomeLossDefinedBenefitPlanAfterTaxAndReclassificationAdjustmentAttributableToRedeemableNoncontrollingInterest

gpk:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxIncludingRedeemableNoncontrollingInterest

gpk:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToRedeemableNoncontrollingInterest

gpk:OtherComprehensiveIncomeLossNetOfTaxIncludingRedeemableNoncontrollingInterest
us-gaap:StatementEquityComponents

gpk:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNonredeemableNoncontrollingInterest

gpk:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToRedeemableNoncontrollingInterest
us-gaap:StatementScenario, us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
gpk:PercentageofExpectedNaturalGasUsageHedged

gpk:PostretirementBenefitPeriodExpenseGreaterLessThanFunding
us-gaap:StatementScenario, us-gaap:RestructuringCostAndReserve
gpk:RestructuringAndRelatedActivitiesNumberOfMillsExpectedToClose

gpk:TransferOfFinancialAssetsAccountedForAsSalesAmountSold
us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType
us-gaap:AssetAcquisitionConsiderationTransferred
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisitionsProFormaNetIncomeLoss
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisitionsProFormaRevenue

us-gaap:BusinessCombinationAcquisitionRelatedCosts
us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType
us-gaap:BusinessCombinationConsiderationTransferred1
us-gaap:Currency, us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationIntegrationRelatedCosts

us-gaap:CommonStockDividendsPerShareDeclared

us-gaap:ConsiderationReceivedForBeneficialInterestObtainedForTransferringFinancialAsset
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedBenefitObligationIncreaseDecreaseForSettlementAndCurtailment
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAdministrationExpenses
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanBenefitObligationBenefitsPaid
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanContributionsByEmployer
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanInterestCost
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanServiceCost

us-gaap:DerivativeCostOfHedge
us-gaap:Currency

us-gaap:DerivativeInstrumentsGainLossReclassificationFromAccumulatedOCIToIncomeEstimatedNetAmountToBeTransferred

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments
us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation

us-gaap:IncomeLossFromEquityMethodInvestments

us-gaap:IncreaseDecreaseInOperatingCapital

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:LineOfCreditFacilityIncreaseDecreaseForPeriodNet
us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

us-gaap:MinorityInterestChangeInRedemptionValue
us-gaap:StatementEquityComponents

us-gaap:MinorityInterestDecreaseFromRedemptions
us-gaap:StatementEquityComponents

us-gaap:MultiemployerPlanPensionInsignificantPlanContribution

us-gaap:NetIncomeLossAttributableToNonredeemableNoncontrollingInterest

us-gaap:NetIncomeLossAttributableToRedeemableNoncontrollingInterest

us-gaap:NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:RetirementPlanType, us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxNoncontrollingInterest
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax
us-gaap:DerivativeInstrumentRisk

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

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
us-gaap:StatementEquityComponents
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:RetirementPlanType, us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax

us-gaap:OtherNoncashIncomeExpense

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

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsForRepurchaseOfRedeemableNoncontrollingInterest

us-gaap:PaymentsForRestructuring

us-gaap:PaymentsOfDebtIssuanceCosts

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:PaymentsToAcquireInterestInSubsidiariesAndAffiliates

us-gaap:PaymentsToAcquireMachineryAndEquipment

us-gaap:PaymentsToAcquireOtherProductiveAssets
us-gaap:ProductOrService, us-gaap:BusinessAcquisition, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:PaymentsToSuppliers

us-gaap:ProceedsFromIssuanceOfDebt

us-gaap:ProceedsFromLinesOfCredit

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromSaleOfNotesReceivable
us-gaap:StatementScenario, us-gaap:PropertyPlantAndEquipmentByType
us-gaap:PropertyPlantAndEquipmentAdditions
us-gaap:StatementEquityComponents
us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
us-gaap:StatementEquityComponents

us-gaap:RepaymentsOfLinesOfCredit

us-gaap:RestructuringAndRelatedCostIncurredCost
us-gaap:FairValueByAssetClass
us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations, us-gaap:RestructuringCostAndReserve
us-gaap:PropertyPlantAndEquipmentByType, us-gaap:RestructuringCostAndReserve

us-gaap:RestructuringCharges
us-gaap:IncomeStatementLocation
us-gaap:RestructuringCostsAndAssetImpairmentCharges
us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations, us-gaap:RestructuringCostAndReserve
us-gaap:RestructuringReserveAcceleratedDepreciation
us-gaap:IncomeStatementLocation, us-gaap:RestructuringCostAndReserve
us-gaap:Range, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations, us-gaap:RestructuringCostAndReserve

us-gaap:RestructuringReserveAccrualAdjustment1

us-gaap:RestructuringReservePeriodIncreaseDecrease

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
us-gaap:IncomeStatementLocation, us-gaap:RestructuringCostAndReserve
us-gaap:SeveranceCosts1
us-gaap:TitleOfIndividual, us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod
dei:LegalEntity
us-gaap:StockIssuedDuringPeriodSharesNewIssues

us-gaap:StockRepurchasedDuringPeriodShares

us-gaap:StockRepurchasedDuringPeriodValue
dei:LegalEntity
us-gaap:StatementEquityComponents
us-gaap:ShareRepurchaseProgram
us-gaap:TreasuryStockAcquiredAverageCostPerShare

us-gaap:ValuationAllowanceDeferredTaxAssetChangeInAmount
us-gaap:ValuationAllowanceByDeferredTaxAsset

gpk:AccruedIncomeAndOtherTaxesCurrent

gpk:DeferredTaxLiabilitiesInvestmentInPartnership
us-gaap:RetirementPlanType
gpk:DefinedBenefitPlanPlanAssetContributionsByEmployerRemainingExcessDueToTerminatedPlan

gpk:FactoringArrangementAmountTransferredSubjectToContinuingInvolvement

gpk:FinanceLeaseLiabilityLessPortionNotYetReclassified

gpk:FinanceLeaseRightOfUseAssetAccumulatedDepreciation

gpk:FinanceLeaseRightOfUseAssetGross

gpk:IncreaseDecreaseInDeferredTaxLiability

gpk:InterestCostsCapitalizationThreshold

gpk:LongTermDebtGrossAndFinanceLeaseLiability

gpk:LongTermDebtGrossAndFinanceLeaseLiabilityIncludingCurrentMaturities

gpk:MultiemployerPlanWithdrawalObligationIncreaseDecrease

gpk:MultiemployerPlansWithdrawalObligationNoncurrent

gpk:OtherAccruedPayables

gpk:StockRepurchasedDuringThePeriodSharesUnitsRequiredToBeRedeemedInCash

gpk:StocksRepurchasedDuringThePeriodTaxReceivableAgreementExpectedTaxBasisIncreasePercentageOfTaxBenefitPayable

gpk:TaxReceivableAgreementLiability

gpk:TransferOfFinancialAssetsAccountedForAsSalesAmountCollectedByFinancialInstitution

gpk:TransferOfFinancialAssetsAccountedForAsSalesAmountFundedByFinancialInstitution

gpk:TransferOfFinancialAssetsAccountedForAsSalesAmountFundedByPaidToFinancialInstitution

gpk:TransferOfFinancialAssetsAccountedForAsSalesPledgedReceivable

gpk:TransferOfFinancialAssetsAccountedForAsSalesReceivable

us-gaap:AccountsReceivableGrossCurrent

us-gaap:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AociLossCashFlowHedgeCumulativeGainLossAfterTax

us-gaap:AssetRetirementObligation

us-gaap:CommonStockValueOutstanding

us-gaap:ContractWithCustomerAssetNet

us-gaap:ContractWithCustomerLiability

us-gaap:CustomerRefundLiabilityCurrent
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentFaceAmount
us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentInterestRateEffectivePercentage
us-gaap:LongtermDebtType

us-gaap:DeferredCompensationLiabilityClassifiedNoncurrent

us-gaap:DeferredFinanceCostsNet

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredRevenueCurrent

us-gaap:DeferredRevenueNoncurrent

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsGoodwill

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DeferredTaxLiabilitiesUndistributedForeignEarnings
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanBenefitObligation
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:Range, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanFairValueOfPlanAssets
us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:RetirementPlanType
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:RetirementPlanType
us-gaap:RetirementPlanType
gpk:MultiemployerPlansCertifiedZoneStatus
us-gaap:DefinedBenefitPlanFundedPercentage
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanFundedStatusOfPlan
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation
us-gaap:DefinedBenefitPlanByPlanAssetCategories
us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanUltimateHealthCareCostTrendRate1
us-gaap:DefinedBenefitPlanByPlanAssetCategories
us-gaap:DefinedBenefitPlanWeightedAverageAssetAllocations
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeAverageVariableInterestRate
us-gaap:BalanceSheetLocation, us-gaap:HedgingDesignation
us-gaap:DerivativeFairValueOfDerivativeAsset
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:HedgingDesignation
us-gaap:BalanceSheetLocation, us-gaap:HedgingDesignation
us-gaap:DerivativeFairValueOfDerivativeLiability
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:HedgingDesignation

us-gaap:DerivativeLiabilitiesCurrent

us-gaap:DerivativeLiabilitiesNoncurrent
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation
us-gaap:DerivativeNotionalAmount
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

us-gaap:DividendsPayableCurrentAndNoncurrent

us-gaap:EmployeeRelatedLiabilitiesCurrent
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
us-gaap:CounterpartyName
us-gaap:EquityMethodInvestmentOwnershipPercentage
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseLiabilityCurrent

us-gaap:FinanceLeaseLiabilityNoncurrent

us-gaap:FinanceLeaseLiabilityPaymentsDue

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount

us-gaap:FinanceLeaseRightOfUseAsset
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsGross
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:InterestPayableCurrent

us-gaap:InventoryFinishedGoodsNetOfReserves

us-gaap:InventoryRawMaterialsNetOfReserves

us-gaap:InventorySuppliesNetOfReserves

us-gaap:InventoryWorkInProcessNetOfReserves

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LettersOfCreditOutstandingAmount
us-gaap:CreditFacility

us-gaap:LineOfCredit
us-gaap:CreditFacility
us-gaap:LongtermDebtType
us-gaap:LineOfCreditFacilityInterestRateAtPeriodEnd

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity
us-gaap:CreditFacility

us-gaap:LongTermDebtAndCapitalLeaseObligationsCurrent

us-gaap:LongTermDebtFairValue

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

us-gaap:MultiemployerPlansWithdrawalObligation
us-gaap:RetirementPlanName

us-gaap:OffMarketLeaseUnfavorable

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent
us-gaap:IncomeTaxAuthority
us-gaap:OperatingLossCarryforwards

us-gaap:OtherLongTermDebt
us-gaap:LongtermDebtType

us-gaap:OtherReceivablesNetCurrent

us-gaap:OtherSundryLiabilitiesCurrent

us-gaap:OtherSundryLiabilitiesNoncurrent
us-gaap:RetirementPlanType
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization
us-gaap:PropertyPlantAndEquipmentByType
us-gaap:RestructuringCostAndReserve
us-gaap:RestructuringAndRelatedCostCostIncurredToDate1
us-gaap:FairValueByAssetClass
us-gaap:RestructuringAndRelatedCostExpectedCost1
us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations, us-gaap:RestructuringCostAndReserve
us-gaap:Range, us-gaap:RestructuringCostAndReserve
us-gaap:Range, us-gaap:StatementScenario, us-gaap:RestructuringCostAndReserve

us-gaap:RestructuringReserve
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant

us-gaap:SharePrice

us-gaap:ShortTermBorrowings

us-gaap:ShortTermDebtWeightedAverageInterestRate

us-gaap:SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit

us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1

us-gaap:TaxCreditCarryforwardAmount

us-gaap:TransferOfFinancialAssetsAccountedForAsSalesAmountDerecognized

us-gaap:UndistributedEarningsOfForeignSubsidiaries

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate

us-gaap:WorkersCompensationLiabilityNoncurrent

Plots across concepts


IncomeStatement
Other Comprehensive Income Loss Net Of Tax
Expenses
Allocated Share Based Compensation Expense
Balance Sheet
Cash And Cash Equivalents At Carrying Value
Assets
Cash And Cash Equivalents At Carrying Value
Current Assets
Cash And Cash Equivalents At Carrying Value
NonCurrent Assets
Operating Lease Right Of Use Asset
Liabilities
Dividends Payable Current And Noncurrent
Current Liabilities
Deferred Revenue Current
Noncurrent Liabilities
Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent
Stockholders Equity
Accumulated Other Comprehensive Income Loss Net Of Tax
CashFlow
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInOperatingActivities
Net Income Loss
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInFinancingActivities
Net Cash Provided By Used In Financing Activities
Shares
Weighted Average Number Of Shares Outstanding Basic
DividendsAndRepurchase
Dividends Payable Current And Noncurrent
OperatingLeaseLiability
Operating Lease Liability Current
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Undiscounted Excess Amount
FiniteLivedIntangibleAssets
Finite Lived Intangible Assets Net
InventoryNet
Inventory Work In Process Net Of Reserves
AccountsReceivable
Allowance For Doubtful Accounts Receivable Current

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding █▁295.8277.2NA277.7280.5288.9NA293.7295.7298.2NA311.5311.3311.3NA310.9311.1314.1NA320.4322.5324.2NA330.4330.9331.9NA330.6328.7330.3NA352.2351.5350.4NA398.2397.8396.5NA390.6384.5349.8NA347.2343.7NA
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic █▁295.1275.8NA277.0279.9288.9NA292.9295.2297.5NA310.8310.7310.6NA310.4310.7312.9NA319.7322.1323.1NA329.7330.2329.6NA328.9328.7327.6NA350.5349.8348.1NA396.1396.0392.5NA390.6378.9344.2NA344.1343.7NA
us-gaap:EarningsPerShareBasic ▃▄▄▄▄▂▃▄▄▄▃▅▃▃▇▃▃▃▃▄▄▄▄▄▄▄▃▃▁▃▃▃▃▃▃▃▃▂█▁▃▃▃▂▁0.130.20.240.230.19-0.040.110.180.220.190.160.30.160.10.560.150.140.120.110.180.240.180.170.180.170.170.130.16-0.120.110.130.130.060.10.060.10.110.040.68-0.120.080.080.060.05-0.1NA
us-gaap:EarningsPerShareDiluted ▃▄▄▄▄▂▃▄▄▄▃▅▃▃▇▃▃▃▃▄▄▄▄▄▄▄▃▃▁▃▃▃▃▃▃▃▃▂█▁▃▃▃▃▁0.130.190.240.230.19-0.040.110.180.220.190.150.30.160.10.560.150.140.120.110.180.240.180.170.180.170.170.130.16-0.120.110.130.130.060.10.060.10.110.040.67-0.120.080.080.060.05-0.1NA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 Operating Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,gpk:EuropePackagingSegment█▁212.0206.0NA193.9183.0176.8NA171.0177.2173.8NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,gpk:NorthAmericaConsumerPackagingSegment█▁1237.01169.0NA1214.81153.71123.4NA1091.11062.71022.8NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,gpk:PaperboardMillsSegment█▁244.0237.0NA240.9234.6268.5NA279.2279.2275.5NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 TTM Greenblatt ROC _ _▆▆▇▆▆█▇▇▇▇▆█▆▅▅▆▅▅▅▆▆▆▆▆▆▆▆▆▁▅▅▆▅▅▅▆▆▅▅▂▅▅▅95.0108.0130.4119.1114.8160.0133.0122.7144.4134.0107.5166.4110.374.084.295.487.675.578.1105.1105.6107.2101.6110.0110.2105.388.7112.3-52.979.763.0105.787.785.263.391.496.771.063.1-17.776.368.658.6NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AllocatedShareBasedCompensationExpense ▆▇▆▅▆█▅▅▅▅▄▃▅▄▄▅▂▄▄▅▅▅▅▄▆▄▅▄▄▄▅▄▅▆▅▆▄▇▆▁▅▆7.011.07.06.48.012.45.65.35.94.94.11.74.93.13.44.6-1.42.34.04.85.95.54.74.27.83.76.54.33.84.14.92.84.56.86.67.14.39.87.6-3.85.28.6NANANANA
us-gaap:ComprehensiveIncomeNetOfTax ▅▅▅▆▅▅▅▄▅▅▄▆▄▅█▅▅▅▄▅▄▅▅▄▆▄▁▄▂▄█▅▄▄▃▅▄▄█▂▅▄55.063.073.893.866.053.660.038.657.762.611.397.527.445.8178.158.258.054.729.758.334.064.149.042.688.738.7-90.132.0-37.839.2161.458.422.027.9-21.646.942.325.8179.9-63.449.142.5NANANANA
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest ▅▅▆▆▆▅▅▅▅▆▄▇▄▅█▅▅▅▄▅▄▅▅▄▆▄▁▄▂▄█▅▄▄▃▅▄▄█▂▅▄60.071.087.6115.284.177.078.952.978.084.115.3126.238.562.7178.158.258.054.729.758.334.064.149.042.688.738.7-90.132.0-37.938.9161.059.721.927.6-22.045.741.425.9178.1-63.449.142.5NANANANA
us-gaap:CostOfGoodsAndServicesSold █▇▇▇▆▅▅▆▅▅▅▅▅▅▁▁1482.01400.01390.31442.21348.91278.31247.51315.21265.01239.81276.61273.51273.41253.5936.4949.2NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:GrossProfit NANA261.8255.5262.1320.8272.3266.4287.8266.1231.1256.5235.9222.5176.0191.6176.9175.0188.1191.3204.8207.7199.6201.9198.0189.6184.7202.4213.1187.0173.4180.7188.6182.9164.7188.9196.4169.6159.9154.0165.4158.2143.5155.1148.8145.8
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments ▆▆▇▆▆▃▅▆▇▇▆█▆▅▅▆▆▅▅▆▆▆▆▆▆▆▅▆▁▅▅▆▄▅▅▆▆▄▄▂▅▄▄▄▃67.080.097.387.384.7-25.359.486.8108.998.976.4139.584.147.560.972.865.154.256.685.187.490.385.093.592.488.455.691.9-74.159.341.581.032.158.035.765.369.330.028.9-53.838.929.317.128.0-23.1NA
us-gaap:IncomeTaxExpenseBenefit █▇█▇▇▇▇▇██▇▇▇▇▄██▇██▇█████▇█▆█▇█▇█▇██▇▁▇▇▇▇▇▇26.018.020.48.318.3-5.415.416.923.021.013.317.818.55.1-112.625.923.617.621.928.010.133.228.133.635.133.614.539.3-33.224.8-3.535.811.423.713.927.028.613.0-234.5-5.67.42.9-2.311.010.2NA
us-gaap:InterestExpense ▄▄▅▅▄▅▅▆▆▆▅▅▄▄▃▂▂▂▂▂▁▁▁▁▁▁▂▂▂▂▂▃▄▄▃▃▄▅▅▅▆▇▇██29.030.032.4000000000000132.030.733.734.235.935.535.033.631.030.328.823.322.622.521.321.520.018.216.916.616.517.816.918.720.421.220.421.523.529.727.225.526.127.432.134.234.836.639.340.544.045.0NA
us-gaap:NetIncomeLoss ▃▃▃▃▃▂▃▃▃▃▃▄▃▃▆▃▃▃▃▃▄▃▃▃▃▃▃▃▁▃▃▃▃▃▃▃▃▂█▁▃▃▃▂▁▂38.054.064.263.752.1-12.733.052.163.857.947.594.349.429.9173.947.342.037.034.957.877.857.557.260.257.655.141.553.0-40.035.246.044.521.234.922.940.142.417.2265.6-47.532.126.719.617.6-32.86.3
us-gaap:NetIncomeLossAttributableToNoncontrollingInterest ▃▄▅▆▅▁▅▆▇▆▆█▆▅▂▂▂▂4.08.012.915.614.6-7.110.917.922.320.215.827.716.612.80.00.00.00.0NANANANA0.00.00.00.00.00.0-0.3-0.4-0.71.2-0.1-0.3-0.4-1.2-1.00.1-1.70.00.00.0NANANANA
us-gaap:OperatingIncomeLoss ▆▆▇▆▆█▇▇▇▇▆█▆▅▅▆▅▅▅▆▆▆▆▆▆▆▆▆▁▅▅▆▅▅▅▆▆▅▅▂▅▅▅▅▃▅95.0108.0130.4119.1114.8160.0133.0122.7144.4134.0107.5166.4110.374.084.295.487.675.578.1105.1105.6107.2101.6110.0110.2105.388.7112.3-52.979.763.0105.787.785.263.391.496.771.063.1-17.776.368.658.678.522.859.6
us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax ▁█2.04.0NA6.63.0-1.3-0.2NA-5.7-0.5NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax █▁6.0-5.0NA28.113.9-56.0NA-17.7-3.24.8-14.62.2-30.919.2-2.010.817.218.9-32.6-6.8-25.56.0-11.3-16.210.4-20.1-19.8-22.94.34.4-0.58.3-6.4-15.1-1.93.9-2.41.0-0.3-12.33.4NANANANANA
us-gaap:OtherComprehensiveIncomeLossNetOfTax ▅▅▅▆▅▇▆▄▅▅▃▅▄▅▅▅▅▅▅▅▃▅▄▄▆▄▁▄▅▅█▅▅▅▃▅▅▅18.09.010.535.917.496.835.0-17.1-8.16.0-48.04.2-27.520.04.210.916.017.7-5.20.5-43.86.6-8.2-17.631.1-16.4-131.6-21.02.44.0115.314.00.8-7.0-44.56.80.08.6NANANANANANANANA
us-gaap:ProfitLoss ▁█42.062.0NA79.366.7-19.843.970.086.178.163.3122.066.042.7173.947.342.037.034.957.877.857.557.260.257.655.141.553.0-40.334.845.345.721.134.622.538.941.417.3263.9-47.532.126.7NANANANA
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax █▇▇█▇▇▆▇▆▆▆▆▆▆▂▂▂▂▂▂▂▁▁▂▂▁▁▁▂▂▂▃▂▂▂▂▂▂▁▂▂▁▁▁▁▁1731.01644.01652.11691.21605.31594.61519.81577.61548.11501.61509.31525.71506.21470.81109.91132.01089.41056.41057.21103.71103.21034.01024.91070.01057.11008.21001.11050.01116.71072.71074.91163.01139.71100.51053.31104.71111.91067.21051.71073.31080.71000.61011.61042.81036.51004.1
us-gaap:Revenues █▇▇█▇▇▆▇▆▆▆▆▆▆▂▂▂▂▂▂▂▁▁▂▂▁▁▁▂▂▂▃▂▂▂▂▂▂▁▂▂▁▁▁▁▁1737.01649.01652.11697.71611.01599.11519.81581.61552.81505.91509.31530.01509.31476.01109.91137.61094.71061.51057.21103.71103.21034.01024.91070.01057.11008.21001.11050.01116.71072.71074.91163.01139.71100.51053.31104.71111.91067.21051.71073.31080.71000.61011.61042.81036.51004.1
us-gaap:SellingGeneralAndAdministrativeExpense ▇▇▆▇██▇▇█▇▅▆▆▆▁▃▂▃▃▁▃▃▃▂▃▂▂▂▃▄▃▃▃▄▃▃▃▃▂▁▃▃▂▂▁125.0126.0118.5126.3132.2135.6124.0131.3131.8124.7113.1116.8114.5121.377.490.683.691.195.078.992.789.189.983.788.785.486.583.694.5100.994.393.897.099.291.495.195.396.386.775.890.489.583.780.978.4NA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:Assets █████▇▇▇▇▇▆▇▇▇▂▂▂▂▂▂▂▂▁▁▂▁▁▁▂▂▂▂▂▂▂▁▁▁▂▁▂7842.07747.07804.67682.07666.47446.27289.97194.17285.17291.27059.27306.67079.37130.34863.04839.84691.44661.84603.44722.14720.04691.04256.14507.84512.44493.34331.34430.64546.14542.94559.34618.74619.34633.74620.84371.34395.94459.64649.74486.04657.0NA4484.6NANANA
us-gaap:LiabilitiesAndStockholdersEquity █████▇▇▇▇▇▆▇▇▇▂▂▂▂▂▂▂▂▁▁▂▁▁▁▂▂▂▂▂▂▂▁▁▁▂▁▂7842.07747.07804.67682.07666.47446.27289.97194.17285.17291.27059.27306.67079.37130.34863.04839.84691.44661.84603.44722.14720.04691.04256.14507.84512.44493.34331.34430.64546.14542.94559.34618.74619.34633.74620.84371.34395.94459.64649.74486.04657.0NA4484.6NANANA
us-gaap:StockholdersEquity █▆▅▅▅▅▆▆▆▆▆█▇▇▃▂▂▂▁▂▂▂▂▂▂▁▁1814.01533.01424.31427.61520.91506.81570.21556.61584.61561.41579.51788.61712.51708.61291.91133.71096.71080.81056.51108.01086.61099.71101.71104.31089.21014.11012.3NANA1092.91062.31096.11032.01000.0974.01288.41236.91188.31167.9988.21049.9NA747.0NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AssetsCurrent ▇▇███▇▆▆▇▆▆▇▆▆▂▂▂▂▁▂▂▂▁▃▃▃▂▃▃▃▂▂▂▂▂▁▁▂▃▂▂1877.01911.02020.22018.42050.01938.31805.61771.01860.81836.91763.81952.01816.41825.11169.91222.61152.01145.31114.91178.51169.01190.21066.81349.61319.81312.71220.91299.11386.81294.21232.21270.81256.71255.91203.11086.71097.31138.11314.11160.61195.5NA1013.6NANANA
us-gaap:CashAndCashEquivalentsAtCarryingValue ▃▄▅▂▃▄▅▂▂▂▃▂▂▂▂▁▁▂▂▂▂▃▂▃▂▂▃▂▅▂▂▃▂▂▂▂▁▁█▅▆▄▄▅▅89.0116.0179.055.583.6110.2152.948.764.762.370.539.750.952.567.417.212.537.459.145.738.775.654.981.546.843.481.655.2157.034.752.292.033.138.851.536.531.030.2271.8157.1191.2109.1138.7166.3171.6NA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▃▅█▂▃▅▇▁▂▂▃▁▂▂▂89.0116.0179.055.583.6110.2152.948.764.762.370.539.750.952.567.4NANANA59.1NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:AccountsReceivableNetCurrent NANA596.6NANANA451.2NANANA465.5NANANA272.0NANANA363.3NANANA336.8NANANA346.4NANANA391.4NANANA439.4NANANA380.5NANANA363.3NANANA
us-gaap:ReceivablesNetCurrent ▄▄▅▇▆▅▃▄▅▅▄█▆▇▁▃▃▂▁▃▃▂▁▂▂▂▁▃▂▂▁▃▃▃▂▂▂▂▁▂▂593.0586.0654.4743.4692.4624.8504.5591.9639.9647.9572.9816.0701.2742.7422.8539.0493.6453.0426.8500.9501.2474.0423.9483.2484.7483.1408.3497.7490.1470.9412.8494.8498.7497.6461.3462.2446.8449.5401.9440.5441.7NA382.2NANANA
us-gaap:InventoryNet ▇▇▇██▇▇▇▇▇▆▆▆▆▃▂▂▂▂▂▂▂▂▂▂▂▁▂▁▂▂▂▂▂▂▁▁▁▁▁▁1105.01125.01127.61153.81197.51143.01095.91075.21099.51072.01014.41030.7989.9964.4634.0621.5600.2603.1582.9591.9589.9599.4557.1569.3569.3563.3521.8532.0522.7578.1557.1585.6595.4578.9531.2503.5510.8515.9479.1493.5490.9NA417.3NANANA
us-gaap:OtherAssetsCurrent ▅▅▃▄▄▃▃▃▃▃▆▄▄▄▃▂▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁█▂▄▄90.084.059.265.776.560.352.355.256.754.7106.065.674.465.545.744.945.751.846.140.039.241.230.935.339.743.532.032.734.632.438.821.620.122.918.421.022.1142.536.369.571.7NA75.4NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NoncurrentAssets NANA3560.0NANANA3253.8NANANA3239.7NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NoncurrentAssets us-gaap:ConsolidationItems,us-gaap:StatementGeographical srt:ReportableGeographicalComponents,srt:EuropeNANA307.3NANANA277.9NANANA285.4NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NoncurrentAssets us-gaap:ConsolidationItems,us-gaap:StatementGeographical srt:ReportableGeographicalComponents,srt:NorthAmericaNANA3252.7NANANA2975.9NANANA2954.3NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:ConstructionInProgressNANA478.3NANANA202.6NANANA201.2NANANA151.0NANANA106.4NANANA156.4NANANA81.2NANANA130.2NANANA169.5NANANA77.8NANANA63.6NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:LandAndLandImprovementsNANA137.2NANANA130.4NANANA134.1NANANA106.2NANANA105.9NANANA101.9NANANA100.9NANANA114.0NANANA123.0NANANA121.5NANANA118.7NANANA
 us-gaap:AmortizationOfIntangibleAssets us-gaap:Restatement srt:RestatementAdjustmentNANA-7.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PropertyPlantAndEquipmentNet ██▇▇▇▇▆▆▆▆▆▆▆▆▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▂▁▁▁▁▁▁3753.03631.03560.03437.43379.43288.13253.83208.03199.43204.83239.73151.73114.93104.11867.21820.81813.51785.41751.91767.51746.91689.51586.41553.31560.91562.21546.81545.41550.41669.51678.91690.61701.51682.01706.61609.71611.01611.81622.11612.31635.6NA1641.5NANANA
us-gaap:Goodwill ▆▆▆▆▆▆▆▆▆▆▆▇▇█▄▄▃▃▃▃▄▄▂▂▂▂▂▂▃▁▂▂▂▂▂▂▂▂▂▂▃1478.01478.01477.61469.91465.81464.11477.91468.41467.01468.01460.61561.91557.91607.21323.01309.31266.41265.81260.31265.01267.81280.01167.81158.51162.91176.81118.11121.51191.51078.01125.41128.11130.71163.11164.81120.71120.11134.11135.71121.61221.1NA1205.2NANANA
us-gaap:IntangibleAssetsNetExcludingGoodwill ▃▃▄▄▅▅▅▅▆▆▇█▆▇▄▄▃▄▄▅▆▅▂▂▃▂▂▃▁▄▅▅▆▆▆▆▇▇▇██409.0423.0436.9447.8460.9460.5477.3481.0485.4507.8523.8551.5507.5514.9436.5449.6423.7434.7445.3462.4488.0482.1386.7379.7396.3378.8385.6401.0351.9438.6467.0476.3485.6489.3499.2507.6515.5526.5535.9546.0558.1NA576.6NANANA
us-gaap:FiniteLivedIntangibleAssetsNet NANA436.9NANANA477.3NANANA523.8NANANA436.5NANANA445.3NANANA386.7NANANA385.6NANANA467.0NANANA499.2NANANA535.9NANANA576.6NANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass gpk:PatentsTrademarksAndLicensesNANA28.1NANANA28.4NANANA29.2NANANA26.8NANANA30.3NANANA28.5NANANA32.2NANANA39.1NANANA41.0NANANA43.6NANANA48.0NANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:CustomerRelationshipsNANA408.8NANANA448.9NANANA494.6NANANA409.7NANANA415.0NANANA358.2NANANA353.4NANANA427.9NANANA458.2NANANA492.7NANANA528.2NANANA
us-gaap:OperatingLeaseRightOfUseAsset NANA208.3NANANA202.8NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAssetsNoncurrent █████▇▇▇▇▇▂▂▂▂▂▁▁▁▁▁▁▁▁▂▂▂▂▂▂▂▂▂▁▁▁▁▂▁▁▁▁325.0304.0309.9308.5310.3295.2275.3265.7272.5273.771.389.582.679.066.437.535.830.631.048.748.349.248.466.772.562.859.963.665.562.655.852.944.843.447.146.652.049.141.945.546.7NA47.7NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AccountsPayableCurrent █▇█▆▆▅▆▅▅▅▆▅▅▅▃▃▂▂▂▂▂▁▂▁▁▂▂▂▁▂▂▂▂▂▂▁▁▁▁▁▁837.0781.0825.0738.5681.8625.7716.1628.7644.7612.8711.6642.7629.4613.6516.5486.7465.3447.0466.5426.8422.0406.5457.9411.6410.7435.4424.9422.1407.0419.2428.3451.9453.4439.2453.7401.0393.3409.9411.4382.2393.6NA361.5NANANA
us-gaap:DebtCurrent ▁▁███▁▁▂▂▁▁▁▁▂▂▁▁▂▂▂▂▁▁▁▁▁▁▂▂▂▂▂▂▂▂▂▂▁▁▁▁20.052.0497.2495.8483.249.150.454.458.949.052.051.951.555.661.349.647.569.063.464.161.833.336.633.834.735.032.268.073.079.077.483.987.288.079.864.464.349.830.119.419.7NA26.0NANANA
us-gaap:LiabilitiesCurrent ▆▅█▇▇▃▄▄▄▃▄▄▃▃▂▂▂▂▂▂▂▁▂▁▁▁▁▂▁▁▂▂▂▂▂▁▁▁▁▁▁1457.01318.01856.61719.71612.81044.01198.71091.81094.01022.21172.31169.31026.31003.3851.4817.4769.3757.4779.8732.0726.3670.8732.2692.8671.5677.2676.7706.3667.0686.9711.2739.7716.8714.6752.9688.2651.3665.9645.5616.7627.3NA595.7NANANA
us-gaap:LongTermDebtCurrent NANA488.9NANANA36.5NANANA36.5NANANA50.0NANANA25.0NANANA25.0NANANA25.0NANANA62.6NANANA64.7NANANA19.6NANANA19.3NANANA
us-gaap:OperatingLeaseLiabilityCurrent NANA60.5NANANA54.8NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAccruedLiabilitiesCurrent █▆▅▅▅▅▄▅▅▄▄▆▃▃▂▃▃▂▂▂▂▂▂▂▂▁▁▄▃▃▁▃▃▃▁▃▃▃▁▃▃423.0327.0291.0292.0281.0257.9239.1264.5253.7239.1240.7311.9195.4187.1145.3164.6150.7127.2127.2142.9129.1111.4108.8113.4112.891.391.6216.2187.0188.777.4180.4162.3161.875.4197.9180.4179.577.9179.3189.3NA179.8NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:LongTermDebt ██▇▇▇▇▄▅▅▅▅▅▅▆▂▂▂▂▂▂▂▃▁▁▂▂▁▂▃▂▂▂▃▃▃▁▂▂▃3649.03720.03523.93562.13389.43360.62729.32854.02916.13052.62833.12902.42946.23065.32247.92253.92188.52213.42112.82231.82249.12304.71876.61991.92041.62102.81971.22075.62314.12206.12248.02226.52297.62365.32325.51971.42067.52145.82349.7NANANA2572.4NANANA
us-gaap:LongTermDebtNoncurrent ██▆▆▅▇▄▅▅▆▅▅▅▅▂▂▂▂▂▂▂▃▁▁▂▂▁▂▂▂▂▂▂▃▂▁▂▂▃▃▃3742.03787.03147.03196.93028.83434.52809.92935.02997.53129.82905.12880.72924.33043.52213.22225.22165.72183.82088.52190.92212.92267.71838.91960.42009.72070.91942.12011.22245.32132.22176.22148.92236.02284.52253.51912.82009.42102.72335.72344.32418.1NA2553.1NANANA
us-gaap:LongTermDebtAndCapitalLeaseObligations ██▆▆▅▇▄▅▅▆▅▅▅▅▂▂▂▂▂▂▂▃▁▁▂▂▁▂▂▂▂▂▂▃▂▁▂▂▃3742.03787.03147.03196.93028.83434.52809.92935.02997.53129.82905.12880.72924.33043.52213.22225.22165.72183.82088.52190.92212.92267.71838.91960.42009.72070.91942.12011.22245.32132.22176.22148.92236.02284.52253.51912.82009.42102.72335.7NANANA2553.1NANANA
us-gaap:DeferredIncomeTaxLiabilitiesNet ▁▅█▇█▇▇▆▅▅▄▄▃403.0489.0539.6529.0531.8522.1511.8495.1488.4475.1462.2460.4447.0NA321.8NANANA408.0NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent ▂▂▃▂▂▂▃▂▂▂▂▁▁▁▁▄▄▄▅▆▇▆▆▆▇██117.0117.0129.8106.7119.9117.9140.4102.1109.1108.5107.573.675.478.180.0161.2185.5189.5202.5248.1278.5237.3247.3246.8266.7302.1312.8NANANA198.2NANANA420.7NANANA364.8NANANA275.0NANANA
us-gaap:MinorityInterest NA204.0416.0406.3515.7503.5487.8478.0472.3443.9439.0473.1455.9449.20.0NANANANANANANANANANANANANANANA0.00.00.00.0-1.7-1.9-1.7-1.4-1.2NANANA0.0NANANA
us-gaap:OtherLiabilitiesNoncurrent ▅▅▅▅▅▅▄▄▄▄▂▃▃▂▂▁▁▁▁▁▁▁▁▁▁▁▁▄▄▄▁███▁▇▇▇▁▅▅309.0299.0291.3295.8292.7279.2266.8264.2269.6264.4117.8168.7150.8125.1104.780.873.568.968.172.670.477.569.374.074.983.778.1255.7264.5268.470.2467.0480.3483.673.6401.1419.8426.159.2296.7311.2NA347.7NANANA
us-gaap:OperatingLeaseLiabilityNoncurrent NANA157.2NANANA151.5NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo NANA53.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree NANA39.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour NANA25.6NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA18.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NANA34.3NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:StockholdersEquity █▆▅▅▅▅▆▆▆▆▆█▇▇▃▂▂▂▁▂▂▂▂▂▂▁▁1814.01533.01424.31427.61520.91506.81570.21556.61584.61561.41579.51788.61712.51708.61291.91133.71096.71080.81056.51108.01086.61099.71101.71104.31089.21014.11012.3NANA1092.91062.31096.11032.01000.0974.01288.41236.91188.31167.9988.21049.9NA747.0NANANA
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest ▅▄▅▅▆▆▇▆▇▆▆█▇▇▁1814.01737.01840.31833.92036.62010.32058.02034.62056.92005.32018.52261.72168.42157.81291.9NANANA1056.5NANANA1101.71104.31089.2NA1012.31098.31062.11092.91062.31096.11032.01000.0972.31286.51235.21186.91166.7NANANA747.0NANANA
us-gaap:AdditionalPaidInCapitalCommonStock ▆▂▂▂▃▃▄▄▄▄▅▇▇▇▁▁▁▁▁▂▂▂▂▂▂▂▃▃▃▂▃▄▄▄▄██████2030.01782.01714.61732.41840.81852.61876.71901.41916.31918.11944.42079.42077.62077.81683.61680.21677.01685.41709.01731.01737.61746.21771.01782.31783.91778.61796.51792.41788.21781.21789.91928.71923.11913.11915.12183.02178.42172.12177.52177.72176.0NA1965.2NANANA
us-gaap:RetainedEarningsAccumulatedDeficit ██▇▇▇▇██████▇▇▇▆▆▆▆▆▆▆▅▅▅▅▅▄▄▄▄▄▄▄▃▃▃▃▃▁▁1.0-15.0-47.1-52.0-37.1-49.156.445.144.713.610.047.8-23.3-49.4-56.0-206.6-229.5-237.8-268.0-243.8-271.3-310.6-326.8-343.8-378.1-416.8-452.9-494.4-547.4-507.4-542.6-532.6-577.1-598.3-633.2-631.7-671.8-714.2-731.4-997.0-949.5NA-1008.3NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▇▆▆▆▅▄▂▁▁▂▁▃▃▃▃▃▂▂▁▁▁▃▃▃▃▂▃▇███▄▃▃▄▅▅▅▅▇█-220.0-237.0-245.9-255.5-285.6-299.5-365.8-392.8-379.3-373.2-377.9-341.7-344.9-322.9-338.8-343.0-353.9-369.9-387.6-382.4-382.9-339.1-345.7-337.5-319.9-351.0-334.6-203.0-182.0-184.2-188.2-303.5-317.5-318.3-311.3-266.8-273.6-273.5-282.1-196.4-180.5NA-213.3NANANA
us-gaap:MinorityInterest NA204.0416.0406.3515.7503.5487.8478.0472.3443.9439.0473.1455.9449.20.0NANANANANANANANANANANANANANANA0.00.00.00.0-1.7-1.9-1.7-1.4-1.2NANANA0.0NANANA
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue █▁7.0-3.0NA6.37.93.6NA5.35.90.9-0.21.74.83.1NANANANANANANANANANANANANANANANA7.72.85.44.4-4.45.2NANANANANANANANANANA
us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders ▁█2.04.0NA5.05.64.6NA5.36.45.05.24.85.83.6NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▆▄█▆▆▂▇▆▆▁▂▃▂▁▅▅▅▃▆▅▅▄▆▅▅▃▅▅▅▃▅▅▄▃▅▅▄▃▅▄▄▃▅▄252.053.0435.5245.4223.1-79.3365.1240.9231.9-172.1-73.80.2-110.1-190.1209.7141.4136.728.4247.1147.3188.658.4238.2173.7149.627.7195.4177.6123.729.9188.5159.6121.8-11.9180.3145.8110.032.5188.981.3111.56.1169.173.4NANA
us-gaap:NetCashProvidedByUsedInInvestingActivities ▃▄▃▄▃▃▄▄▄▅█▅▇▅▄▃▄▄▄▄▄▁▄▄▄▃▄▄▄▅▄▅▄▄▃▄▅▄▄▄▄▄▄▄-169.0-120.0-170.9-88.2-212.9-175.8-102.9-111.4-53.243.2328.860.6253.046.7-121.5-172.3-69.5-77.3-38.1-76.7-124.8-392.9-105.7-58.2-58.5-177.4-47.9-45.3-100.910.9-48.5-9.4-52.8-33.7-179.8-44.3-30.3-39.6-48.7-38.6-86.9-37.6-50.3-35.3NANA
us-gaap:NetCashProvidedByUsedInFinancingActivities ▂▄▂▂▃▆▂▂▂▅▁▃▂▅▃▄▃▄▂▃▃█▂▃▃▅▂▁▅▃▂▃▃▄▄▃▃▁▃▃▄▄▂▃-110.05.0-144.5-187.9-38.1218.5-160.0-144.4-176.9120.5-223.5-72.0-142.5127.3-38.235.0-92.525.9-193.2-63.4-99.8353.3-158.3-79.3-88.3115.0-118.5-230.498.7-58.6-179.6-92.5-73.434.414.6-96.8-78.4-235.5-25.4-74.356.80.7-146.7-45.3NANA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▂▁█▂▂▂▇▃▃▃▅▃▃▃-27.0-63.0123.5-28.1-26.6-42.7104.2-16.02.4-8.230.8-11.2-1.6-14.9NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:DeferredIncomeTaxExpenseBenefit █▇▇▇▇▆▇▇▇▇▇▇▇▇▄▇▇▇▇█▇█▇███▇█▆█▇█▇▇▇▇█▇▁▇▇▇▇▇24.07.05.73.98.6-18.918.77.214.412.46.112.310.7-3.1-105.220.518.811.921.623.32.928.919.928.431.829.94.342.4-36.823.21.733.08.519.515.922.127.110.9-237.7-9.96.42.8-2.87.8NANA
us-gaap:DepreciationDepletionAndAmortization ▇▇███▇▆▇▇▇▅▇▇▆▄▄▂▂▂▃▂▂▁▂▂▁▁▁▂▁▁▂▁▁▁▁▁▁▂▂▁▂▂▂117.0117.0119.3120.5122.4113.6109.4110.5110.2117.198.8110.7111.3109.893.187.075.275.075.278.275.270.767.773.571.268.167.865.869.467.068.974.868.365.464.867.266.967.969.269.868.471.070.770.4NANA
us-gaap:NetCashProvidedByUsedInOperatingActivities ▆▄█▆▆▂▇▆▆▁▂▃▂▁▅▅▅▃▆▅▅▄▆▅▅▃▅▅▅▃▅▅▄▃▅▅▄▃▅▄▄▃▅▄252.053.0435.5245.4223.1-79.3365.1240.9231.9-172.1-73.80.2-110.1-190.1209.7141.4136.728.4247.1147.3188.658.4238.2173.7149.627.7195.4177.6123.729.9188.5159.6121.8-11.9180.3145.8110.032.5188.981.3111.56.1169.173.4NANA
us-gaap:NetIncomeLoss ▃▃▃▃▃▂▃▃▃▃▃▄▃▃▆▃▃▃▃▃▄▃▃▃▃▃▃▃▁▃▃▃▃▃▃▃▃▂█▁▃▃▃▂▁▂38.054.064.263.752.1-12.733.052.163.857.947.594.349.429.9173.947.342.037.034.957.877.857.557.260.257.655.141.553.0-40.035.246.044.521.234.922.940.142.417.2265.6-47.532.126.719.617.6-32.86.3
us-gaap:ProfitLoss ▁█42.062.0NA79.366.7-19.843.970.086.178.163.3122.066.042.7173.947.342.037.034.957.877.857.557.260.257.655.141.553.0-40.334.845.345.721.134.622.538.941.417.3263.9-47.532.126.7NANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▃▄▃▄▃▃▄▄▄▅█▅▇▅▄▃▄▄▄▄▄▁▄▄▄▃▄▄▄▅▄▅▄▄▃▄▅▄▄▄▄▄▄▄-169.0-120.0-170.9-88.2-212.9-175.8-102.9-111.4-53.243.2328.860.6253.046.7-121.5-172.3-69.5-77.3-38.1-76.7-124.8-392.9-105.7-58.2-58.5-177.4-47.9-45.3-100.910.9-48.5-9.4-52.8-33.7-179.8-44.3-30.3-39.6-48.7-38.6-86.9-37.6-50.3-35.3NANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▂▄▂▂▃▆▂▂▂▅▁▃▂▅▃▄▃▄▂▃▃█▂▃▃▅▂▁▅▃▂▃▃▄▄▃▃▁▃▃▄▄▂▃-110.05.0-144.5-187.9-38.1218.5-160.0-144.4-176.9120.5-223.5-72.0-142.5127.3-38.235.0-92.525.9-193.2-63.4-99.8353.3-158.3-79.3-88.3115.0-118.5-230.498.7-58.6-179.6-92.5-73.434.414.6-96.8-78.4-235.5-25.4-74.356.80.7-146.7-45.3NANA
us-gaap:RepaymentsOfLongTermDebt ▁▆▁▁▁▁▁▁▁▁▁▁▁▂▁▁▁▁▁▁▁▁▁▁▁▁▂▁▁▁▁▁▁▁▁▁▁█▁▁▂▁▂▁5.01221.09.19.19.29.19.19.19.29.19.19.29.1125.06.26.36.26.36.26.36.26.36.36.26.26.3168.515.315.415.415.326.316.713.012.512.50.01678.425.973.3150.00.0144.766.8NANA
us-gaap:PaymentsOfDividends ▇▇▆▇▇▇▇██████▆▆▆▆▆▅▅▅▅▅▅▅▁▁▁24.024.022.426.826.926.725.728.728.230.128.929.629.323.223.223.323.323.615.516.116.116.316.416.516.40.00.00.0NANANANANANANANANANANANANANANANANANA
us-gaap:Dividends █▁22.021.0NA20.621.321.1NA21.822.122.122.523.223.323.3NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PaymentsForRepurchaseOfCommonStock NANA68.389.938.0119.40.050.118.760.0119.10.00.00.00.02.519.540.158.526.736.243.540.015.04.04.00.00.00.00.0NANANANA300.00.0-9.29.20.00.032.90.00.0NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument,us-gaap:LongtermDebtType gpk:ZeroPointEightTwoPercentSeniorNotesDueIn2024,us-gaap:SeniorNotesNA8.21e-07NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value295277277280288293295298311311311310311314320322324330330331330328330352351350398397396390384349347343
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value295275277279288292295297310310310310310312319322323329330329328328327350349348396396392390378344344343
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value0.130.20.240.230.19-0.040.110.180.220.190.160.30.160.10.560.150.140.120.110.180.240.180.170.180.170.170.130.16-0.120.110.130.130.060.10.060.10.110.040.68-0.120.080.080.060.05-0.1
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value0.130.190.240.230.19-0.040.110.180.220.190.150.30.160.10.560.150.140.120.110.180.240.180.170.180.170.170.130.16-0.120.110.130.130.060.10.060.10.110.040.67-0.120.080.080.060.05-0.1
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Allocated Share Based Compensation Expense

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:AllocatedShareBasedCompensationExpense


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value7.0117.06.48.0125.65.35.94.94.11.74.93.13.44.6-1.42.34.04.85.95.54.74.27.83.76.54.33.84.14.92.84.56.86.67.14.39.87.6-3.85.28.6
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.70.40.40.50.80.40.30.40.30.30.10.30.20.30.4-0.10.20.40.40.50.50.50.40.70.40.60.40.30.40.50.20.40.60.60.60.40.90.7-0.40.50.9

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value55637393665360385762119727451785858542958346449428838-90.132-37.839161582227-21.6464225179-63.44942
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.23.84.55.54.13.43.92.43.74.20.76.41.83.116.05.15.35.22.85.33.16.24.84.08.43.8-9.03.0-3.43.715.05.01.92.5-2.14.23.82.417.1-5.94.54.2

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value6071871158477785278841512638621785858542958346449428838-90.132-37.938161592127-22.0454125178-63.44942
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.54.35.36.85.24.85.23.45.05.61.08.32.64.316.05.15.35.22.85.33.16.24.84.08.43.8-9.03.0-3.43.615.05.11.92.5-2.14.13.72.416.9-5.94.54.2

Cost Of Goods And Services Sold

us-gaap:CostOfGoodsAndServicesSold

us-gaap:CostOfGoodsAndServicesSold


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value14821400139014421348127812471315126512391276127312731253936949
Percentage of CostOfGoodsAndServicesSold100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax85.685.284.285.384.080.282.183.481.782.684.683.584.585.284.483.9

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

us-gaap:CommodityContract, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterest


Cost
Period End2020-12-312020-09-302020-06-302020-03-312019-12-31
Value13-1.4-2.3-3.1-1.4
Percentage of CostOfGoodsAndServicesSold0.9-0.1-0.2-0.2-0.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.8-0.1-0.1-0.2-0.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CommodityContract us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterest0.00.00.00.00.0

Gross Profit

us-gaap:GrossProfit

us-gaap:GrossProfit


Gross
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value261255262320272266287266231256235222176191176175188191204207199201198189184202213187173180188182164188196169159154165158143155148145
Percentage of GrossProfit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.815.116.320.117.916.918.617.715.316.815.715.115.916.916.216.617.817.318.620.119.518.918.718.818.419.319.117.416.115.516.516.615.617.117.715.915.214.315.315.814.214.914.414.5

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value6780978784-25.35986108987613984476072655456858790859392885591-74.159418132583565693028-53.838291728-23.1
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.94.95.95.25.3-1.63.95.57.06.65.19.15.63.25.56.46.05.15.47.77.98.78.38.78.78.85.68.8-6.65.53.97.02.85.33.45.96.22.82.7-5.03.62.91.72.7-2.2

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:RetirementPlanType, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit, us-gaap:AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterest


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-31
Value0.50.50.50.50.6
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments0.50.60.6-2.01.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:OtherPostretirementBenefitPlansDefinedBenefit us-gaap:AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.0

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:PensionPlansDefinedBenefit, us-gaap:AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterest


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value-1.0-1.0-2.6-1.4-1.1-154.1-41.8
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments-1.5-1.2-2.7-1.6-1.3609.1-70.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.1-0.1-0.2-0.1-0.1-9.7-2.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:PensionPlansDefinedBenefit us-gaap:AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.0

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

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterest


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value-1.0-2.0-14.9-0.50.52.60.8
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments-1.5-2.5-15.3-0.60.6-10.31.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.1-0.1-0.9-0.00.00.20.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterest0.00.00.00.00.00.00.0

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value2618208.318-5.4151623211317185.1-112.625231721281033283335331439-33.224-3.535112313272813-234.5-5.67.42.9-2.31110
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.51.11.20.51.1-0.31.01.11.51.40.91.21.20.3-10.12.32.21.72.12.50.93.22.73.13.33.31.43.7-3.02.3-0.33.11.02.21.32.42.61.2-22.3-0.50.70.3-0.21.11.0

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

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:PensionPlansDefinedBenefit, us-gaap:AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterest


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-31
Value-0.6-0.2-0.2-30.7-8.3
Percentage of IncomeTaxExpenseBenefit-2.9-2.4-1.1568.5-53.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.0-0.0-0.0-1.9-0.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:PensionPlansDefinedBenefit us-gaap:AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.0

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

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterest


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-31
Value-2.9-0.10.10.50.1
Percentage of IncomeTaxExpenseBenefit-14.2-1.20.5-9.30.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.2-0.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterest0.00.00.00.00.0

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value293032323033343535353331302823222221212018161616171618202120212329272526273234343639404445
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.71.82.01.91.92.12.32.32.32.32.22.02.02.02.12.02.12.02.01.81.61.61.61.51.71.71.91.91.91.92.02.02.62.52.42.42.53.03.33.23.43.94.04.24.3

Interest Income Expense Net

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

us-gaap:InterestIncomeExpenseNet

us-gaap:InterestRateSwap, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterest


Interest
Period End2021-06-302021-03-312020-12-31
Value-2000000.0-1000000.0-1400000.0
Percentage of InterestIncomeExpenseNet100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.1-0.1-0.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:InterestRateSwap us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterest0.00.00.0

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3854646352-12.7335263574794492917347423734577757576057554153-40.0354644213422404217265-47.532261917-32.86.3
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.23.33.93.83.2-0.82.23.34.13.93.16.23.32.015.74.23.93.53.35.27.15.65.65.65.45.54.15.0-3.63.34.33.81.93.22.23.63.81.625.3-4.43.02.71.91.7-3.20.6

Net Income Loss Attributable To Noncontrolling Interest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value4.08.0121514-7.110172220152716120.00.00.00.00.00.00.00.00.00.0-0.3-0.4-0.71.2-0.1-0.3-0.4-1.2-1.00.1-1.70.00.00.0
Percentage of NetIncomeLossAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.50.80.90.9-0.40.71.11.41.31.01.81.10.90.00.00.00.00.00.00.00.00.00.0-0.0-0.0-0.10.1-0.0-0.0-0.0-0.1-0.10.0-0.20.00.00.0

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value9510813011911416013312214413410716611074849587757810510510710111011010588112-52.9796310587856391967163-17.7766858782259
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.56.67.97.07.210.08.87.89.38.97.110.97.35.07.68.48.07.17.49.59.610.49.910.310.410.48.910.7-4.77.45.99.17.77.76.08.38.76.76.0-1.67.16.95.87.52.25.9

us-gaap:OperatingIncomeLoss us-gaap:ConsolidationItems

gpk:CorporateReconcilingItemsAndEliminations


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-30
Value-22.0-6.0-16.1-2.5-27.7-23.9-12.5-8.8-8.9-6.80.215-8.4-46.0-19.7-2.7-1.6-8.60.2-7.3-14.2-9.1-5.1
Percentage of OperatingIncomeLoss-23.2-5.6-12.3-2.1-24.1-14.9-9.4-7.2-6.2-5.10.29.4-7.6-62.2-23.4-2.8-1.8-11.40.2-6.9-13.2-8.3-4.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.3-0.4-1.0-0.1-1.7-1.5-0.8-0.6-0.6-0.50.01.0-0.6-3.1-1.8-0.2-0.1-0.80.0-0.7-1.4-0.9-0.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gpk:CorporateReconcilingItemsAndEliminations0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:OperatingSegments, gpk:EuropePackagingSegment


Operating
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value27201520128.61519
Percentage of OperatingIncomeLoss28.418.513.018.07.57.010.714.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.61.20.91.30.80.51.01.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gpk:EuropePackagingSegment12.79.78.011.36.85.08.711.0

us-gaap:OperatingSegments, gpk:NorthAmericaConsumerPackagingSegment


Operating
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value108121140157194112125125
Percentage of OperatingIncomeLoss113.7112.0118.0136.8121.891.486.893.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.27.48.39.812.27.18.18.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gpk:NorthAmericaConsumerPackagingSegment8.710.411.613.617.310.311.812.3

us-gaap:OperatingSegments, gpk:PaperboardMillsSegment


Operating
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-18.0-27.0-34.4-35.3-22.91012-4.0
Percentage of OperatingIncomeLoss-18.9-25.0-28.9-30.7-14.38.78.7-3.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.0-1.6-2.0-2.2-1.40.70.8-0.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gpk:PaperboardMillsSegment-7.4-11.4-14.3-15.0-8.53.84.5-1.5

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

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-06-302019-03-31
Value2000000.04000000.06600000.03000000.0-1300000.0-200000.0-5700000.0-500000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.20.40.2-0.1-0.0-0.4-0.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-06-302020-03-312019-06-302019-03-31
Value2000000.03000000.02300000.0-1000000.0-4400000.0-400000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax100.075.076.776.977.280.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.20.1-0.1-0.3-0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Other
Period End2021-03-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value1000000.01100000.0400000.0-300000.0-1300000.0-100000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax25.016.713.323.122.820.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.0-0.0-0.1-0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest0.00.00.00.00.00.0

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

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value6.0-5.02813-56.0-17.7-3.24.8-14.62.2-30.919-2.0101718-32.6-6.8-25.56.0-11.3-16.210-20.1-19.8-22.94.34.4-0.58.3-6.4-15.1-1.93.9-2.41.0-0.3-12.33.4
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.3-0.31.70.9-3.5-1.1-0.20.3-1.00.1-2.11.3-0.21.01.61.8-3.1-0.6-2.30.6-1.1-1.51.0-2.0-2.0-2.20.40.4-0.00.7-0.6-1.4-0.20.4-0.20.1-0.0-1.10.3

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value5.0-4.02311-46.0-14.6-2.63.91.2-24.816
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax83.380.084.781.382.182.581.281.254.580.383.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.3-0.21.40.7-2.9-0.9-0.20.30.1-1.61.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1.0-1.04.32.6-10.0-3.1-0.60.90.8-4.73.2
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax16.720.015.318.717.917.518.818.836.415.216.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.1-0.10.30.2-0.6-0.2-0.00.10.1-0.30.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.0

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value189.01035179635-17.1-8.16.0-48.04.2-27.5204.2101617-5.20.5-43.86.6-8.2-17.631-16.4-131.6-21.02.44.0115140.8-7.0-44.56.80.08.6
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.00.50.62.11.16.12.3-1.1-0.50.4-3.20.3-1.81.40.41.01.51.7-0.50.0-4.00.6-0.8-1.62.9-1.6-13.1-2.00.20.410.71.20.1-0.6-4.20.60.00.8

us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustmentAttributableToNoncontrollingInterest


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value3.1-0.1-0.1-41.8-1.8-0.4
Percentage of OtherComprehensiveIncomeLossNetOfTax29.5-0.3-0.6-43.2-5.12.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.2-0.0-0.0-2.6-0.1-0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedDefinedBenefitPlansAdjustmentAttributableToNoncontrollingInterest0.00.00.00.00.00.0

us-gaap:AccumulatedForeignCurrencyAdjustmentAttributableToNoncontrollingInterest


Other
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1.0-4.8-4.6-2.710-6.34.00.8-1.13.02.1-4.1
Percentage of OtherComprehensiveIncomeLossNetOfTax11.1-45.7-12.8-15.511.3-18.0-23.4-9.9-18.371.4-7.6-20.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.1-0.3-0.3-0.20.7-0.40.30.1-0.10.20.1-0.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedForeignCurrencyAdjustmentAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeNoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value0.0-1.00.8-1.1-0.70.40.1
Percentage of OtherComprehensiveIncomeLossNetOfTax0.0-11.17.6-3.1-4.00.40.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0-0.10.0-0.1-0.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedGainLossNetCashFlowHedgeNoncontrollingInterest0.00.00.00.00.00.00.0

us-gaap:AociAttributableToNoncontrollingInterest


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-0.9-5.8-3.5-30.5-8.03.62.0-1.31.82.7-4.1
Percentage of OtherComprehensiveIncomeLossNetOfTax-8.6-16.2-20.1-31.5-22.9-21.1-24.7-21.742.9-9.8-20.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.1-0.3-0.2-1.9-0.50.20.1-0.10.10.2-0.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AociAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value42627966-19.84370867863122664217347423734577757576057554153-40.3344545213422384117263-47.53226
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.43.84.74.2-1.22.94.45.65.24.28.04.42.915.74.23.93.53.35.27.15.65.65.65.45.54.15.0-3.63.24.23.91.93.12.13.53.71.625.1-4.43.02.7

us-gaap:ProfitLoss us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value0.0-3.0-1.2-0.1-120.9
Percentage of ProfitLoss0.0-4.8-1.5-0.1610.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0-0.2-0.1-0.0-7.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome0.00.00.00.00.0

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

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit, us-gaap:AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterest


Profit
Period End2020-12-312020-09-302020-06-302020-03-312019-12-31
Value0.40.40.40.40.5
Percentage of ProfitLoss0.00.50.6-2.01.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:OtherPostretirementBenefitPlansDefinedBenefit us-gaap:AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.0

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:PensionPlansDefinedBenefit, us-gaap:AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterest


Profit
Period End2020-12-312020-09-302020-06-302020-03-312019-12-31
Value-2.0-1.2-0.9-123.4-33.5
Percentage of ProfitLoss0.0-1.5-1.3623.2-76.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.1-0.1-0.1-7.7-2.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:PensionPlansDefinedBenefit us-gaap:AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.0

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

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterest


Profit
Period End2020-12-312020-09-302020-06-302020-03-312019-12-31
Value-12.0-0.40.42.10.7
Percentage of ProfitLoss0.0-0.50.6-10.61.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.7-0.00.00.10.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterest0.00.00.00.00.0

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1731164416521691160515941519157715481501150915251506147011091132108910561057110311031034102410701057100810011050111610721074116311391100105311041111106710511073108010001011104210361004
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:OperatingSegments, gpk:EuropePackagingSegment


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value212206193183176171177173
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.212.511.511.411.110.811.411.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.212.511.511.411.110.811.411.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gpk:EuropePackagingSegment100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, gpk:NorthAmericaConsumerPackagingSegment


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value12371169121411531123109110621022
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax71.571.171.871.970.569.268.668.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax71.571.171.871.970.569.268.668.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gpk:NorthAmericaConsumerPackagingSegment100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, gpk:PaperboardMillsSegment


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value244237240234268279279275
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.114.414.214.616.817.718.018.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.114.414.214.616.817.718.018.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gpk:PaperboardMillsSegment100.0100.0100.0100.0100.0100.0100.0100.0

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1737164916521697161115991519158115521505150915301509147611091137109410611057110311031034102410701057100810011050111610721074116311391100105311041111106710511073108010001011104210361004
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.3100.3100.0100.4100.4100.3100.0100.3100.3100.3100.0100.3100.2100.4100.0100.5100.5100.5100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Revenues us-gaap:ConsolidationItems

gpk:CorporateReconcilingItemsAndEliminations


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-30
Value443738483930344033334048353343464630-0.210.0127.49.4
Percentage of Revenues2.52.22.42.82.51.92.32.52.22.22.73.12.32.33.94.14.22.9-0.00.91.20.70.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.52.32.42.82.51.92.32.62.22.32.73.22.32.33.94.14.32.9-0.00.91.20.70.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gpk:CorporateReconcilingItemsAndEliminations0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:SellingGeneralAndAdministrativeExpense


Selling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value125126118126132135124131131124113116114121779083919578928989838885868394100949397999195959686759089838078
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.27.77.27.58.28.58.28.38.58.37.57.77.68.27.08.07.78.69.07.18.48.68.87.88.48.58.68.08.59.48.88.18.59.08.78.68.69.08.27.18.48.98.37.87.6

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value784277477804768276667446728971947285729170597306707971304863483946914661460347224720469142564507451244934331443045464542455946184619463346204371439544594649448646574484
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidationItems

gpk:CorporateReconcilingItemsAndEliminations


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-31
Value635299306290
Percentage of Assets8.14.14.36.0
Percentage of Assets8.14.14.36.0
Percentage of Assets gpk:CorporateReconcilingItemsAndEliminations100.0100.0100.0100.0

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

us-gaap:OperatingSegments, gpk:EuropePackaging


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312015-09-302014-12-312013-12-31
Value745686603607491574608608389
Percentage of Assets9.69.48.512.510.713.513.514.08.5
Percentage of Assets9.69.48.512.510.713.513.514.08.5
Percentage of Assets us-gaap:OperatingSegments gpk:EuropePackaging100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, gpk:NorthAmericaConsumerPackaging


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312015-09-302014-12-312013-12-31
Value332633923143247825522157160615092283
Percentage of Assets42.646.544.551.055.450.735.634.950.1
Percentage of Assets42.646.544.551.055.450.735.634.950.1
Percentage of Assets us-gaap:OperatingSegments gpk:NorthAmericaConsumerPackaging100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, gpk:PaperboardMills


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312015-09-302014-12-312013-12-31
Value309629123005148714961445319027431398
Percentage of Assets39.739.942.630.632.534.070.863.330.7
Percentage of Assets39.739.942.630.632.534.070.863.330.7
Percentage of Assets us-gaap:OperatingSegments gpk:PaperboardMills100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value784277477804768276667446728971947285729170597306707971304863483946914661460347224720469142564507451244934331443045464542455946184619463346204371439544594649448646574484
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1814153314241427152015061570155615841561157917881712170812911133109610801056110810861099110111041089101410121092106210961032100097412881236118811679881049747
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets23.119.818.218.619.820.221.521.621.821.422.424.524.224.026.623.423.423.223.023.523.023.425.924.524.122.623.424.123.323.722.321.621.129.528.126.625.122.022.516.7

Assets Current

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value187719112020201820501938180517711860183617631952181618251169122211521145111411781169119010661349131913121220129913861294123212701256125512031086109711381314116011951013
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets23.924.725.926.326.726.024.824.625.525.225.026.725.725.624.125.324.624.624.225.024.825.425.129.929.229.228.229.330.528.527.027.527.227.126.024.925.025.528.325.925.722.6

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-312008-12-31
Value891161795583110152486462703950526717123759453875548146438155157345292333851363130271157191109138166171149170
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.11.52.30.71.11.52.10.70.90.91.00.50.70.71.40.40.30.81.31.00.81.61.31.81.01.01.91.23.50.81.12.00.70.81.10.80.70.75.83.54.10.03.10.00.00.00.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value891161795583110152486462703950526759
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.11.52.30.71.11.52.10.70.90.91.00.50.70.71.41.3

Accounts Receivable Net Current

us-gaap:AccountsReceivableNetCurrent

us-gaap:AccountsReceivableNetCurrent


Accounts
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value596451465272363336346391439380363
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.66.26.65.67.97.98.08.69.58.28.1

Receivables Net Current

us-gaap:ReceivablesNetCurrent

us-gaap:ReceivablesNetCurrent


Receivables
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value593586654743692624504591639647572816701742422539493453426500501474423483484483408497490470412494498497461462446449401440441382
Percentage of ReceivablesNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.67.68.49.79.08.46.98.28.88.98.111.29.910.48.711.110.59.79.310.610.610.110.010.710.710.89.411.210.810.49.110.710.810.710.010.610.210.18.69.89.58.5

Inventory Net

us-gaap:InventoryNet

us-gaap:InventoryNet


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value110511251127115311971143109510751099107210141030989964634621600603582591589599557569569563521532522578557585595578531503510515479493490417
Percentage of InventoryNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets14.114.514.415.015.615.415.014.915.114.714.414.114.013.513.012.812.812.912.712.512.512.813.112.612.612.512.012.011.512.712.212.712.912.511.511.511.611.610.311.010.59.3

Other Assets Current

us-gaap:OtherAssetsCurrent

us-gaap:OtherAssetsCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value90845965766052555654106657465454445514640394130353943323234323821202218212214236697175
Percentage of OtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.11.10.80.91.00.80.70.80.80.81.50.91.10.90.90.91.01.11.00.80.80.90.70.80.91.00.70.70.80.70.90.50.40.50.40.50.53.20.81.51.51.7

Noncurrent Assets

us-gaap:NoncurrentAssets

us-gaap:NoncurrentAssets


Noncurrent
Period End2020-12-312019-12-312018-12-31
Value356032533239
Percentage of NoncurrentAssets100.0100.0100.0
Percentage of Assets45.644.645.9

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

srt:ReportableGeographicalComponents, srt:Europe


Noncurrent
Period End2020-12-312019-12-312018-12-31
Value307277285
Percentage of NoncurrentAssets8.68.58.8
Percentage of Assets3.93.84.0
Percentage of Assets srt:ReportableGeographicalComponents srt:Europe0.040.547.3

srt:ReportableGeographicalComponents, srt:NorthAmerica


Noncurrent
Period End2020-12-312019-12-312018-12-31
Value325229752954
Percentage of NoncurrentAssets91.491.591.2
Percentage of Assets41.740.841.9
Percentage of Assets srt:ReportableGeographicalComponents srt:NorthAmerica0.046.547.2

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:ConstructionInProgress


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value478202201151106156811301697763
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.12.82.93.12.33.71.92.93.71.71.4
Percentage of Assets us-gaap:ConstructionInProgress0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:LandAndLandImprovements


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value137130134106105101100114123121118
Percentage of PropertyPlantAndEquipmentGross28.764.466.770.399.565.2124.387.672.6156.2186.6
Percentage of Assets1.81.81.92.22.32.42.32.52.72.62.6
Percentage of Assets us-gaap:LandAndLandImprovements0.00.00.00.00.00.00.00.00.00.00.0

Amortization Of Intangible Assets

us-gaap:AmortizationOfIntangibleAssets us-gaap:Restatement

us-gaap:AmortizationOfIntangibleAssets

srt:RestatementAdjustment


Amortization
Period End2020-12-31
Value-7000000.0
Percentage of AmortizationOfIntangibleAssets100.0
Percentage of Assets0.0
Percentage of Assets srt:RestatementAdjustment0.0

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value375336313560343733793288325332083199320432393151311431041867182018131785175117671746168915861553156015621546154515501669167816901701168217061609161116111622161216351641
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets47.946.945.644.744.144.244.644.643.944.045.943.144.043.538.437.638.738.338.137.437.036.037.334.534.634.835.734.934.136.736.836.636.836.336.936.836.636.134.935.935.136.6

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-08-012019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-31
Value147814781477146914651464147714684.514671468146015611557160713231309126612651260126512671280116711581162117611181121119110781125112811301163116411201120113411351121122112051204
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 Assets18.819.118.919.119.119.720.320.40.020.120.120.721.422.022.527.227.127.027.227.426.826.927.327.425.725.826.225.825.326.223.724.724.424.525.125.225.625.525.424.425.026.226.90.0

us-gaap:Goodwill us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Goodwillus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-31
Value13141416
Percentage of Goodwill0.91.01.01.2
Percentage of Assets0.20.20.20.3
Percentage of Assets us-gaap:CorporateNonSegment0.00.00.00.0

us-gaap:Goodwill us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, gpk:AmericasBeveragePackaging


Goodwillus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-31
Value899896882839
Percentage of Goodwill60.860.760.463.4
Percentage of Assets11.512.312.517.3
Percentage of Assets us-gaap:OperatingSegments gpk:AmericasBeveragePackaging0.00.00.00.0

us-gaap:OperatingSegments, gpk:EuropePackaging


Goodwillus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-31
Value58595759
Percentage of Goodwill4.04.03.94.5
Percentage of Assets0.80.80.81.2
Percentage of Assets us-gaap:OperatingSegments gpk:EuropePackaging7.98.79.59.8

us-gaap:OperatingSegments, gpk:PaperboardMills


Goodwillus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-31
Value506506506408
Percentage of Goodwill34.334.334.730.9
Percentage of Assets6.57.07.28.4
Percentage of Assets us-gaap:OperatingSegments gpk:PaperboardMills16.417.416.927.5

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value409423436447460460477481485507523551507514436449423434445462488482386379396378385401351438467476485489499507515526535546558576
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.25.55.65.86.06.26.56.76.77.07.47.57.27.29.09.39.09.39.79.810.310.39.18.48.88.48.99.17.79.710.210.310.510.610.811.611.711.811.512.212.012.9

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value436477523436445386385467499535576
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.66.57.49.09.79.18.910.210.811.512.9

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

gpk:PatentsTrademarksAndLicenses


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value2828292630283239414348
Percentage of FiniteLivedIntangibleAssetsNet6.46.05.66.16.87.48.48.48.28.18.3
Percentage of Assets0.40.40.40.60.70.70.70.90.90.91.1
Percentage of Assets gpk:PatentsTrademarksAndLicenses0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CustomerRelationships


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value408448494409415358353427458492528
Percentage of FiniteLivedIntangibleAssetsNet93.694.094.493.993.292.691.691.691.891.991.6
Percentage of Assets5.26.27.08.49.08.48.29.49.910.611.8
Percentage of Assets us-gaap:CustomerRelationships0.00.00.00.00.00.00.00.00.00.00.0

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2020-12-312019-12-31
Value208202
Percentage of OperatingLeaseRightOfUseAsset100.0100.0
Percentage of Assets2.72.8

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssetsNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value3253043093083102952752652722737189827966373530314848494866726259636562555244434746524941454647
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.13.94.04.04.04.03.83.73.73.81.01.21.21.11.40.80.80.70.71.01.01.01.11.51.61.41.41.41.41.41.21.11.00.91.01.11.21.10.91.01.01.1

Accounts Payable Current

us-gaap:AccountsPayableCurrent

us-gaap:AccountsPayableCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value837781825738681625716628644612711642629613516486465447466426422406457411410435424422407419428451453439453401393409411382393361
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.710.110.69.68.98.49.88.78.88.410.18.88.98.610.610.19.99.610.19.08.98.710.89.19.19.79.89.59.09.29.49.89.89.59.89.28.99.28.88.58.58.1

Debt Current

us-gaap:DebtCurrent

us-gaap:DebtCurrent


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value205249749548349505458495251515561494769636461333633343532687379778387887964644930191926
Percentage of DebtCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.76.46.56.30.70.70.80.80.70.70.70.70.81.31.01.01.51.41.41.30.70.90.70.80.80.71.51.61.71.71.81.91.91.71.51.51.10.60.40.40.6

Liabilities Current

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value14571318185617191612104411981091109410221172116910261003851817769757779732726670732692671677676706667686711739716714752688651665645616627595
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets18.617.023.822.421.014.016.415.215.014.016.616.014.514.117.516.916.416.216.915.515.414.317.215.414.915.115.615.914.715.115.616.015.515.416.315.714.814.913.913.713.513.3

Long Term Debt Current

us-gaap:LongTermDebtCurrent

us-gaap:LongTermDebtCurrent


Long
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value48836365025252562641919
Percentage of LongTermDebtCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.30.50.51.00.50.60.61.41.40.40.4

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


Operating
Period End2020-12-312019-12-31
Value6054
Percentage of OperatingLeaseLiabilityCurrent100.0100.0
Percentage of Assets0.80.8

Other Accrued Liabilities Current

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:OtherAccruedLiabilitiesCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value4233272912922812572392642532392403111951871451641501271271421291111081131129191216187188771801621617519718017977179189179
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 Assets5.44.23.73.83.73.53.33.73.53.33.44.32.82.63.03.43.22.72.83.02.72.42.62.52.52.02.14.94.14.21.73.93.53.51.64.54.14.01.74.04.14.0

Long Term Debt

us-gaap:LongTermDebt

us-gaap:LongTermDebt


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value3649372035233562338933602729285429163052283329022946306522472253218822132112223122492304187619912041210219712075231422062248222622972365232519712067214523492572
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets46.548.045.246.444.245.137.439.740.041.940.139.741.643.046.246.646.647.545.947.347.749.144.144.245.246.845.546.850.948.649.348.249.751.050.345.147.048.150.557.4

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

gpk:SeniorNotesPayableIn2028, us-gaap:SeniorNotes


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value4504504504504504500.0
Percentage of LongTermDebt12.312.112.812.613.313.40.0
Percentage of Assets5.75.85.85.95.96.00.0
Percentage of Assets gpk:SeniorNotesPayableIn2028 us-gaap:SeniorNotes0.00.00.00.00.00.00.0

gpk:SeniorNotesPayablein2022, us-gaap:SeniorNotes


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value2502502502502502502502502502502502502502502502502502502502502502502502502502502500.0
Percentage of LongTermDebt6.96.77.17.07.47.49.28.88.68.28.88.68.58.211.111.111.411.311.811.211.110.813.312.612.211.912.70.0
Percentage of Assets3.23.23.23.33.33.43.43.53.43.43.53.43.53.55.15.25.35.45.45.35.35.35.95.55.55.65.80.0
Percentage of Assets gpk:SeniorNotesPayablein2022 us-gaap:SeniorNotes0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

gpk:SeniorNotesPayablein2024, us-gaap:SeniorNotes


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value3003003003003003003003003003003003003003003003003003003003000.0
Percentage of LongTermDebt8.28.18.58.48.98.911.010.510.39.810.610.310.29.813.313.313.713.614.213.40.0
Percentage of Assets3.83.93.83.93.94.04.14.24.14.14.24.14.24.26.26.26.46.46.56.40.0
Percentage of Assets gpk:SeniorNotesPayablein2024 us-gaap:SeniorNotes0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

gpk:SeniorNotesPayablein2027, us-gaap:SeniorNotes


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-06-252018-12-31
Value3003003003003003003003003003000.0
Percentage of LongTermDebt8.28.18.58.48.98.911.010.510.30.00.0
Percentage of Assets3.83.93.83.93.94.04.14.24.10.00.0
Percentage of Assets gpk:SeniorNotesPayablein2027 us-gaap:SeniorNotes0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:LongTermDebt us-gaap:LongtermDebtType

us-gaap:MediumTermNotes


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value55055513591368137713871396140514141423143214411450146092593193794395092496296897598198799310001214
Percentage of LongTermDebt15.114.938.638.440.741.351.249.248.546.650.649.749.247.641.141.342.842.645.041.442.842.052.049.348.447.350.754.0
Percentage of Assets7.07.217.417.818.018.619.219.519.419.520.319.720.520.519.019.220.020.220.619.620.420.722.921.821.922.123.126.6
Percentage of Assets us-gaap:MediumTermNotes0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RevolvingCreditFacility


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value2202868411328124352168220622399457493601319322253291184296607658224326369424288344
Percentage of LongTermDebt6.07.72.43.28.37.21.95.97.620.414.115.816.819.614.214.311.613.28.713.327.028.612.016.418.120.214.615.3
Percentage of Assets2.83.71.11.53.73.30.72.33.08.55.76.37.08.46.66.75.46.34.06.312.914.05.37.28.29.46.77.6
Percentage of Assets us-gaap:RevolvingCreditFacility0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Long Term Debt Noncurrent

us-gaap:LongTermDebtNoncurrent

us-gaap:LongTermDebtNoncurrent


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value374237873147319630283434280929352997312929052880292430432213222521652183208821902212226718381960200920701942201122452132217621482236228422531912200921022335234424182553
Percentage of LongTermDebtNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets47.748.940.341.639.546.138.540.841.142.941.239.441.342.745.546.046.246.845.446.446.948.343.243.544.546.144.845.449.446.947.746.548.449.348.843.845.747.150.252.351.956.9

Long Term Debt And Capital Lease Obligations

us-gaap:LongTermDebtAndCapitalLeaseObligations

us-gaap:LongTermDebtAndCapitalLeaseObligations


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value3742378731473196302834342809293529973129290528802924304322132225216521832088219022122267183819602009207019422011224521322176214822362284225319122009210223352553
Percentage of LongTermDebtAndCapitalLeaseObligations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets47.748.940.341.639.546.138.540.841.142.941.239.441.342.745.546.046.246.845.446.446.948.343.243.544.546.144.845.449.446.947.746.548.449.348.843.845.747.150.256.9

Deferred Income Tax Liabilities Net

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:DeferredIncomeTaxLiabilitiesNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312016-12-31
Value403489539529531522511495488475462460447321408
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.16.36.96.96.97.07.06.96.76.56.56.36.36.68.9

Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent


Pension
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value11711712910611911714010210910810773757880161185189202248278237247246266302312198420364275
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.51.51.71.41.61.61.91.41.51.51.51.01.11.11.63.34.04.14.45.35.95.15.85.55.96.77.24.39.17.86.1

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPostretirementHealthCoverage


Pension
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value3333313437
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent26.023.929.443.618.7
Percentage of Assets0.40.50.40.70.8
Percentage of Assets us-gaap:DefinedBenefitPostretirementHealthCoverage0.00.00.00.00.0

us-gaap:PensionPlansDefinedBenefit


Pension
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value961067545164
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent74.076.170.656.481.3
Percentage of Assets1.21.51.10.93.6
Percentage of Assets us-gaap:PensionPlansDefinedBenefit0.00.00.00.00.0

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value2044164065155034874784724434394734554490.00.00.00.00.0-1.7-1.9-1.7-1.4-1.20.0
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.0100.0100.0100.0100.0100.00.0
Percentage of Assets2.65.35.36.76.86.76.66.56.16.26.56.46.30.00.00.00.00.0-0.0-0.0-0.0-0.0-0.00.0

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value309299291295292279266264269264117168150125104807368687270776974748378255264268704674804837340141942659296311347
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.93.93.73.93.83.73.73.73.73.61.72.32.11.82.21.71.61.51.51.51.51.71.61.61.71.91.85.85.85.91.510.110.410.41.69.29.59.61.36.66.77.8

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


Operating
Period End2020-12-312019-12-31
Value157151
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0
Percentage of Assets2.02.1

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2020-12-31
Value53
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0
Percentage of Assets0.7

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2020-12-31
Value39
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0
Percentage of Assets0.5

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2020-12-31
Value25
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0
Percentage of Assets0.3

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-31
Value18
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0
Percentage of Assets0.2

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-31
Value34
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0
Percentage of Assets0.4

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value217206196204203
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0
Percentage of Assets2.82.82.72.82.8

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2020-12-31
Value234
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0
Percentage of Assets3.0

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2020-12-31
Value16
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0
Percentage of Assets0.2

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1814153314241427152015061570155615841561157917881712170812911133109610801056110810861099110111041089101410121092106210961032100097412881236118811679881049747
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets23.119.818.218.619.820.221.521.621.821.422.424.524.224.026.623.423.423.223.023.523.023.425.924.524.122.623.424.123.323.722.321.621.129.528.126.625.122.022.516.7

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312015-09-302015-06-302014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-312009-12-312008-12-31
Value1814173718401833203620102058203420562005201822612168215712911056110111041089101210981062109210621096103210009721286123511861166747728525
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets23.122.423.623.926.627.028.228.328.227.528.631.030.630.326.623.025.924.524.123.424.823.424.123.323.722.321.621.029.428.126.625.116.70.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value-119.0-129.0-139.0-124.1-124.9-125.2-238.5-242.9-244.0-246.1
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-6.6-7.4-7.6-6.8-6.1-6.2-11.6-11.9-11.9-12.2
Percentage of Assets-1.5-1.7-1.8-1.6-1.6-1.7-3.3-3.4-3.3-3.5
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2020-12-312019-12-312018-12-31
Value-138.6-238.5-246.1
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-7.5-11.6-12.2
Percentage of Assets-1.8-3.3-3.5
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterest0.00.00.0

us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterest


Stockholders
Period End2020-12-312019-12-312018-12-31
Value-13.1-16.6-11.3
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-0.7-0.8-0.6
Percentage of Assets-0.2-0.2-0.2
Percentage of Assets us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterest0.00.00.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value3.0-2.0-7.4-2.2-8.9-12.6-10.9-10.1-10.0-2.5-1.9-0.3
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.2-0.1-0.4-0.1-0.4-0.6-0.5-0.5-0.5-0.1-0.1-0.0
Percentage of Assets0.0-0.0-0.1-0.0-0.1-0.2-0.1-0.1-0.1-0.0-0.0-0.0
Percentage of Assets us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-8.0-10.0-13.0-9.8-15.3-17.6-16.6-16.1-16.1-11.7-11.3-7.6-8.9-10.9-10.3
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-0.4-0.6-0.7-0.5-0.8-0.9-0.8-0.8-0.8-0.6-0.6-0.3-0.4-0.5-0.8
Percentage of Assets-0.1-0.1-0.2-0.1-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.1-0.1-0.2-0.2
Percentage of Assets us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value-220.0-237.0-245.9-255.5-285.6-299.5-365.8-392.8-379.3-373.2-377.9-341.7-344.9-322.9-338.8-387.6-345.7-334.6-188.2-311.3-282.1
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-12.1-13.6-13.4-13.9-14.0-14.9-17.8-19.3-18.4-18.6-18.7-15.1-15.9-15.0-26.2-36.7-31.4-33.1-17.7-32.0-24.2
Percentage of Assets-2.8-3.1-3.2-3.3-3.7-4.0-5.0-5.5-5.2-5.1-5.4-4.7-4.9-4.5-7.0-8.4-8.1-7.7-4.1-6.7-6.1
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-93.0-98.0-94.2-121.6-145.4-156.7-110.7-133.8-119.2-116.6-120.5-109.4-110.6-85.8-101.8
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-5.1-5.6-5.1-6.6-7.1-7.8-5.4-6.6-5.8-5.8-6.0-4.8-5.1-4.0-7.9
Percentage of Assets-1.2-1.3-1.2-1.6-1.9-2.1-1.5-1.9-1.6-1.6-1.7-1.5-1.6-1.2-2.1
Percentage of Assets us-gaap:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value203017821714173218401852187619011916191819442079207720771683170917711796178919152177
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest111.9102.693.294.590.492.291.293.593.295.796.391.995.896.3130.3161.8160.8177.5168.5197.0186.6
Percentage of Assets25.923.022.022.624.024.925.726.426.326.327.528.529.329.134.637.141.641.539.341.446.8
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AociIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2020-12-312019-12-31
Value-245.9-365.8
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-13.4-17.8
Percentage of Assets-3.2-5.0
Percentage of Assets us-gaap:AociIncludingPortionAttributableToNoncontrollingInterest0.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value3.03.02.72.72.82.82.92.92.92.93.03.13.13.13.13.13.23.33.23.43.9
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.20.20.10.10.10.10.10.10.10.10.10.10.10.10.20.30.30.30.30.30.3
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.10.10.10.10.1
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Stockholders
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value2044164065155034874784724434394734554490.00.00.00.00.00.00.00.0-1.7-1.9-1.7-1.2
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest11.722.622.225.325.023.723.523.022.121.720.921.020.80.00.00.00.00.00.00.00.0-0.2-0.1-0.1-0.1
Percentage of Assets2.65.35.36.76.86.76.66.56.16.26.56.46.30.00.00.00.00.00.00.00.0-0.0-0.0-0.0-0.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value1.0-15.0-47.1-52.0-37.1-49.15645441310.047-23.3-49.4-56.0-268.0-326.8-452.9-542.6-633.2-731.4
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.1-0.9-2.6-2.8-1.8-2.42.72.22.20.70.52.1-1.1-2.3-4.3-25.4-29.7-44.7-51.1-65.1-62.7
Percentage of Assets0.0-0.2-0.6-0.7-0.5-0.70.80.60.60.20.10.7-0.3-0.7-1.2-5.8-7.7-10.5-11.9-13.7-15.7
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Additional Paid In Capital Common Stock

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AdditionalPaidInCapitalCommonStock


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value203017821714173218401852187619011916191819442079207720771683168016771685170917311737174617711782178317781796179217881781178919281923191319152183217821722177217721761965
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets25.923.022.022.624.024.925.726.426.326.327.528.529.329.134.634.735.736.237.136.736.837.241.639.539.539.641.540.539.339.239.341.841.641.341.449.949.648.746.848.546.743.8

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1.0-15.0-47.1-52.0-37.1-49.15645441310.047-23.3-49.4-56.0-206.6-229.5-237.8-268.0-243.8-271.3-310.6-326.8-343.8-378.1-416.8-452.9-494.4-547.4-507.4-542.6-532.6-577.1-598.3-633.2-631.7-671.8-714.2-731.4-997.0-949.5-1008.3
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.0-0.2-0.6-0.7-0.5-0.70.80.60.60.20.10.7-0.3-0.7-1.2-4.3-4.9-5.1-5.8-5.2-5.7-6.6-7.7-7.6-8.4-9.3-10.5-11.2-12.0-11.2-11.9-11.5-12.5-12.9-13.7-14.5-15.3-16.0-15.7-22.2-20.4-22.5

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value-220.0-237.0-245.9-255.5-285.6-299.5-365.8-392.8-379.3-373.2-377.9-341.7-344.9-322.9-338.8-343.0-353.9-369.9-387.6-382.4-382.9-339.1-345.7-337.5-319.9-351.0-334.6-203.0-182.0-184.2-188.2-303.5-317.5-318.3-311.3-266.8-273.6-273.5-282.1-196.4-180.5-213.3
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-2.8-3.1-3.2-3.3-3.7-4.0-5.0-5.5-5.2-5.1-5.4-4.7-4.9-4.5-7.0-7.1-7.5-7.9-8.4-8.1-8.1-7.2-8.1-7.5-7.1-7.8-7.7-4.6-4.0-4.1-4.1-6.6-6.9-6.9-6.7-6.1-6.2-6.1-6.1-4.4-3.9-4.8

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value2044164065155034874784724434394734554490.00.00.00.00.0-1.7-1.9-1.7-1.4-1.20.0
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.0100.0100.0100.0100.0100.00.0
Percentage of Assets2.65.35.36.76.86.76.66.56.16.26.56.46.30.00.00.00.00.0-0.0-0.0-0.0-0.0-0.00.0

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

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value7.0-3.06.37.93.65.35.90.9-0.21.74.83.17.72.85.44.4-4.45.2
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value7.0-3.06.37.93.65.35.90.91.74.8-0.9
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0-29.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.0

Minority Interest Decrease From Distributions To Noncontrolling Interest Holders

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders


Minority
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2.04.05.05.64.65.36.45.05.24.85.83.6
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Minority
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2.04.05.05.64.65.36.45.05.24.85.83.6
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value25253435245223-79.3365240231-172.1-73.80.2-110.1-190.120914113628247147188582381731492719517712329188159121-11.918014511032188811116.116973
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.63.226.414.513.9-5.024.015.315.0-11.5-4.90.0-7.3-12.918.912.512.52.723.413.317.15.623.216.214.22.719.516.911.12.817.513.710.7-1.117.113.29.93.018.07.610.30.616.77.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-169.0-120.0-170.9-88.2-212.9-175.8-102.9-111.4-53.2433286025346-121.5-172.3-69.5-77.3-38.1-76.7-124.8-392.9-105.7-58.2-58.5-177.4-47.9-45.3-100.910-48.5-9.4-52.8-33.7-179.8-44.3-30.3-39.6-48.7-38.6-86.9-37.6-50.3-35.3
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-9.8-7.3-10.3-5.2-13.3-11.0-6.8-7.1-3.42.921.84.016.83.2-10.9-15.2-6.4-7.3-3.6-6.9-11.3-38.0-10.3-5.4-5.5-17.6-4.8-4.3-9.01.0-4.5-0.8-4.6-3.1-17.1-4.0-2.7-3.7-4.6-3.6-8.0-3.8-5.0-3.4

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-110.05.0-144.5-187.9-38.1218-160.0-144.4-176.9120-223.5-72.0-142.5127-38.235-92.525-193.2-63.4-99.8353-158.3-79.3-88.3115-118.5-230.498-58.6-179.6-92.5-73.43414-96.8-78.4-235.5-25.4-74.3560.7-146.7-45.3
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-6.40.3-8.7-11.1-2.413.7-10.5-9.2-11.48.0-14.8-4.7-9.58.7-3.43.1-8.52.5-18.3-5.7-9.034.2-15.4-7.4-8.411.4-11.8-21.98.8-5.5-16.7-8.0-6.43.11.4-8.8-7.1-22.1-2.4-6.95.30.1-14.5-4.3

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-27.0-63.0123-28.1-26.6-42.7104-16.02.4-8.230-11.2-1.6-14.9
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.6-3.87.5-1.7-1.7-2.76.9-1.00.2-0.52.0-0.7-0.1-1.0

Deferred Income Tax Expense Benefit

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DeferredIncomeTaxExpenseBenefit


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value247.05.73.98.6-18.9187.214126.11210-3.1-105.220181121232.928192831294.342-36.8231.7338.51915222710-237.7-9.96.42.8-2.87.8
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value11711711912012211310911011011798110111109938775757578757067737168676569676874686564676667696968717070
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DepreciationDepletionAndAmortization us-gaap:ConsolidationItems

gpk:CorporateReconcilingItemsAndEliminations


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-30
Value9.06.06.16.15.45.45.45.15.15.44.84.74.54.84.95.54.44.41.81.72.21.61.7
Percentage of DepreciationDepletionAndAmortization7.75.15.15.14.44.84.94.64.64.64.94.24.04.45.36.35.95.92.32.33.12.22.4

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

us-gaap:OperatingSegments, gpk:EuropePackagingSegment


Depreciation
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value1111109.39.8111111
Percentage of DepreciationDepletionAndAmortization9.49.48.87.68.610.410.710.1

us-gaap:OperatingSegments, gpk:NorthAmericaConsumerPackagingSegment


Depreciation
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value4142404039394043
Percentage of DepreciationDepletionAndAmortization35.035.933.433.334.736.137.137.3

us-gaap:OperatingSegments, gpk:PaperboardMillsSegment


Depreciation
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value5658636759545256
Percentage of DepreciationDepletionAndAmortization47.949.652.854.751.948.947.548.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value25253435245223-79.3365240231-172.1-73.80.2-110.1-190.120914113628247147188582381731492719517712329188159121-11.918014511032188811116.116973
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.63.226.414.513.9-5.024.015.315.0-11.5-4.90.0-7.3-12.918.912.512.52.723.413.317.15.623.216.214.22.719.516.911.12.817.513.710.7-1.117.113.29.93.018.07.610.30.616.77.0

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3854646352-12.7335263574794492917347423734577757576057554153-40.0354644213422404217265-47.532261917-32.86.3
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.23.33.93.83.2-0.82.23.34.13.93.16.23.32.015.74.23.93.53.35.27.15.65.65.65.45.54.15.0-3.63.34.33.81.93.22.23.63.81.625.3-4.43.02.71.91.7-3.20.6

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value42627966-19.84370867863122664217347423734577757576057554153-40.3344545213422384117263-47.53226
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.43.84.74.2-1.22.94.45.65.24.28.04.42.915.74.23.93.53.35.27.15.65.65.65.45.54.15.0-3.63.24.23.91.93.12.13.53.71.625.1-4.43.02.7

us-gaap:ProfitLoss us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value0.0-3.0-1.2-0.1-120.9
Percentage of ProfitLoss0.0-4.8-1.5-0.1610.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0-0.2-0.1-0.0-7.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome0.00.00.00.00.0

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

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit, us-gaap:AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterest


Profit
Period End2020-12-312020-09-302020-06-302020-03-312019-12-31
Value0.40.40.40.40.5
Percentage of ProfitLoss0.00.50.6-2.01.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:OtherPostretirementBenefitPlansDefinedBenefit us-gaap:AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.0

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:PensionPlansDefinedBenefit, us-gaap:AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterest


Profit
Period End2020-12-312020-09-302020-06-302020-03-312019-12-31
Value-2.0-1.2-0.9-123.4-33.5
Percentage of ProfitLoss0.0-1.5-1.3623.2-76.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.1-0.1-0.1-7.7-2.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:PensionPlansDefinedBenefit us-gaap:AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.0

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

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterest


Profit
Period End2020-12-312020-09-302020-06-302020-03-312019-12-31
Value-12.0-0.40.42.10.7
Percentage of ProfitLoss0.0-0.50.6-10.61.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.7-0.00.00.10.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterest0.00.00.00.00.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-169.0-120.0-170.9-88.2-212.9-175.8-102.9-111.4-53.2433286025346-121.5-172.3-69.5-77.3-38.1-76.7-124.8-392.9-105.7-58.2-58.5-177.4-47.9-45.3-100.910-48.5-9.4-52.8-33.7-179.8-44.3-30.3-39.6-48.7-38.6-86.9-37.6-50.3-35.3
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-9.8-7.3-10.3-5.2-13.3-11.0-6.8-7.1-3.42.921.84.016.83.2-10.9-15.2-6.4-7.3-3.6-6.9-11.3-38.0-10.3-5.4-5.5-17.6-4.8-4.3-9.01.0-4.5-0.8-4.6-3.1-17.1-4.0-2.7-3.7-4.6-3.6-8.0-3.8-5.0-3.4

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-110.05.0-144.5-187.9-38.1218-160.0-144.4-176.9120-223.5-72.0-142.5127-38.235-92.525-193.2-63.4-99.8353-158.3-79.3-88.3115-118.5-230.498-58.6-179.6-92.5-73.43414-96.8-78.4-235.5-25.4-74.3560.7-146.7-45.3
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-6.40.3-8.7-11.1-2.413.7-10.5-9.2-11.48.0-14.8-4.7-9.58.7-3.43.1-8.52.5-18.3-5.7-9.034.2-15.4-7.4-8.411.4-11.8-21.98.8-5.5-16.7-8.0-6.43.11.4-8.8-7.1-22.1-2.4-6.95.30.1-14.5-4.3

Repayments Of Long Term Debt

us-gaap:RepaymentsOfLongTermDebt

us-gaap:RepaymentsOfLongTermDebt


Repayments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value5.012219.19.19.29.19.19.19.29.19.19.29.11256.26.36.26.36.26.36.26.36.36.26.26.31681515151526161312120.0167825731500.014466
Percentage of RepaymentsOfLongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.00.0100.0100.0

Payments Of Dividends

us-gaap:PaymentsOfDividends

us-gaap:PaymentsOfDividends


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value242422262626252828302829292323232323151616161616160.00.00.0
Percentage of PaymentsOfDividends100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

Dividends

us-gaap:Dividends

us-gaap:Dividends


Dividends
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value222120212121222222232323
Percentage of Dividends100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Dividends us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Dividendsus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value2221202121212222232323
Percentage of Dividends100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value6889381190.05018601190.00.00.00.02.519405826364340154.04.00.00.00.00.03000.0-9.29.20.00.0320.00.0
Percentage of PaymentsForRepurchaseOfCommonStock100.0100.0100.0100.00.0100.0100.0100.0100.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0100.00.0100.0100.00.00.0100.00.00.0

Debt Instrument Interest Rate Stated Percentage

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

us-gaap:DebtInstrumentInterestRateStatedPercentage

gpk:ZeroPointEightTwoPercentSeniorNotesDueIn2024, us-gaap:SeniorNotes


Debt
Period End2021-03-31
Value0.821
Percentage of DebtInstrumentInterestRateStatedPercentage100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations gpk:ZeroPointEightTwoPercentSeniorNotesDueIn2024 us-gaap:SeniorNotes0.0

Deferred Tax Liabilities

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value526508454315404263627665622631656
Percentage of DeferredTaxLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value385779169318392502
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value19201510109.15.27.40.80.50.91.5
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value34413651454453503737308
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsValuationAllowance us-gaap:IncomeTaxAuthority

us-gaap:ForeignCountry


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312014-12-312013-12-312012-12-312011-12-31
Value243126313129373729
Percentage of DeferredTaxAssetsValuationAllowance71.577.471.960.868.154.574.5100.380.0

us-gaap:DeferredTaxAssetsValuationAllowance us-gaap:IncomeTaxAuthority, us-gaap:ValuationAllowanceByDeferredTaxAsset

us-gaap:DomesticCountry, us-gaap:CapitalLossCarryforward


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312014-12-312013-12-31
Value0.70.70.73.35.15.95.9
Percentage of DeferredTaxAssetsValuationAllowance2.01.71.96.411.211.011.8

us-gaap:StateAndLocalJurisdiction, us-gaap:Research


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value4.64.15.0116.05.45.0
Percentage of DeferredTaxAssetsValuationAllowance13.410.013.823.113.212.19.3

us-gaap:StateAndLocalJurisdiction, us-gaap:ValuationAllowanceOperatingLossCarryforwards


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312014-12-312013-12-31
Value4.54.54.55.03.44.35.4
Percentage of DeferredTaxAssetsValuationAllowance13.110.912.49.77.58.010.8

gpk:BusinessCombinationsAndShutdownAndOtherSpecialChargesNet

gpk:BusinessCombinationsAndShutdownAndOtherSpecialChargesNet


Business
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value3412139.02018138.29.96.2
Percentage of BusinessCombinationsAndShutdownAndOtherSpecialChargesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gpk:ComprehensiveIncomeLossNetOfTaxAttributableToNonredeemableNoncontrollingInterest

gpk:ComprehensiveIncomeLossNetOfTaxAttributableToNonredeemableNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value5.08.013191720141115163.2228.613
Percentage of ComprehensiveIncomeLossNetOfTaxAttributableToNonredeemableNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gpk:ComprehensiveIncomeLossNetOfTaxAttributableToRedeemableNoncontrollingInterest

gpk:ComprehensiveIncomeLossNetOfTaxAttributableToRedeemableNoncontrollingInterest


Comprehensive
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.02.30.33.14.33.34.64.90.86.62.53.9
Percentage of ComprehensiveIncomeLossNetOfTaxAttributableToRedeemableNoncontrollingInterest0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gpk:DefinedBenefitPlanPlanAssetContributionsByEmployerExcessDueToTerminatedPlan us-gaap:RetirementPlanType

gpk:DefinedBenefitPlanPlanAssetContributionsByEmployerExcessDueToTerminatedPlan

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-03-31
Value14
Percentage of DefinedBenefitPlanPlanAssetContributionsByEmployerExcessDueToTerminatedPlan100.0

gpk:GoodwillImpairmentRestructuringAndOtherSpecialCharges

gpk:GoodwillImpairmentRestructuringAndOtherSpecialCharges


Goodwill
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value139.02018138.29.96.27.4-27.48.626123.66.18.6137.45.3107.98.03.92.2116.81717.818-14.88.31.4143.45.23.510960.50.00.00.0468.5
Percentage of GoodwillImpairmentRestructuringAndOtherSpecialCharges100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0100.0100.0

gpk:IncomeLossBeforeEquityIncomeOfUnconsolidatedEntities

gpk:IncomeLossBeforeEquityIncomeOfUnconsolidatedEntities


Income
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value41767966-19.94469857763121654217346413634577757565957544152-40.9344545203421384017263-48.231261917-33.3
Percentage of IncomeLossBeforeEquityIncomeOfUnconsolidatedEntities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gpk:MultiEmployerPlanSettlementAgreementAmountPaid us-gaap:StatementScenario

gpk:MultiEmployerPlanSettlementAgreementAmountPaid

srt:ScenarioForecast


Multi
Period End2021-03-31
Value17
Percentage of MultiEmployerPlanSettlementAgreementAmountPaid100.0

gpk:NetIncomeLossIncludingPortionAttributableToRedeemableNoncontrollingInterest

gpk:NetIncomeLossIncludingPortionAttributableToRedeemableNoncontrollingInterest


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value4262777966-19.843708678
Percentage of NetIncomeLossIncludingPortionAttributableToRedeemableNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gpk:NonCashOrPartNonCashAcquisitionNetNonmonetaryAssetsAcquiredLiabilitiesAssumedFinancingActivities

gpk:NonCashOrPartNonCashAcquisitionNetNonmonetaryAssetsAcquiredLiabilitiesAssumedFinancingActivities


Non
Period End2021-06-302021-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-402.0-250.00.00.00.00.00.00.00.0660
Percentage of NonCashOrPartNonCashAcquisitionNetNonmonetaryAssetsAcquiredLiabilitiesAssumedFinancingActivities100.0100.00.00.00.00.00.00.00.0100.0

gpk:NoncontrollingInterestTaxEffectFromRedemption

gpk:NoncontrollingInterestTaxEffectFromRedemption


Noncontrolling
Period End2020-09-302020-03-31
Value9.26.8
Percentage of NoncontrollingInterestTaxEffectFromRedemption100.0100.0

gpk:NoncontrollingInterestTaxEffectFromRedemption us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Noncontrolling
Period End2020-09-302020-03-31
Value9.26.8
Percentage of NoncontrollingInterestTaxEffectFromRedemption100.0100.0

gpk:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxIncludingRedeemableNoncontrollingInterest

gpk:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxIncludingRedeemableNoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value2000000.04000000.0-4100000.06600000.03000000.0-1400000.0-600000.00-6100000.0-500000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxIncludingRedeemableNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

gpk:OtherComprehensiveIncomeLossCashFlowHedgesGainLossAfterReclassificationAndTaxNonredeemableNoncontrollingInterest

gpk:OtherComprehensiveIncomeLossCashFlowHedgesGainLossAfterReclassificationAndTaxNonredeemableNoncontrollingInterest


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value000-100000.000-400000.00
Percentage of OtherComprehensiveIncomeLossCashFlowHedgesGainLossAfterReclassificationAndTaxNonredeemableNoncontrollingInterest0.00.00.0100.00.00.0100.00.0

gpk:OtherComprehensiveIncomeLossDefinedBenefitPlanAfterReclassificationAdjustmentAfterTaxIncludingRedeemableNoncontrollingInterest

gpk:OtherComprehensiveIncomeLossDefinedBenefitPlanAfterReclassificationAdjustmentAfterTaxIncludingRedeemableNoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-10.0-10.017-0.9-0.4-155.1-6.2-1.5-1.4-1.5
Percentage of OtherComprehensiveIncomeLossDefinedBenefitPlanAfterReclassificationAdjustmentAfterTaxIncludingRedeemableNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gpk:OtherComprehensiveIncomeLossDefinedBenefitPlanAfterTaxAndReclassificationAdjustmentAttributableToRedeemableNoncontrollingInterest

gpk:OtherComprehensiveIncomeLossDefinedBenefitPlanAfterTaxAndReclassificationAdjustmentAttributableToRedeemableNoncontrollingInterest


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value00-100000.0-9400000.0-400000.0-100000.0-100000.0-100000.01500000.000-100000.0
Percentage of OtherComprehensiveIncomeLossDefinedBenefitPlanAfterTaxAndReclassificationAdjustmentAttributableToRedeemableNoncontrollingInterest0.00.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0

gpk:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxIncludingRedeemableNoncontrollingInterest

gpk:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxIncludingRedeemableNoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value6.0-5.0322814-56.929-18.6-3.45.0
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxIncludingRedeemableNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gpk:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToRedeemableNoncontrollingInterest

gpk:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToRedeemableNoncontrollingInterest


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0300000.0100000.0-900000.01400000.0-900000.0-200000.0200000.0-1000000.0200000.0-1400000.0900000.0
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToRedeemableNoncontrollingInterest0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gpk:OtherComprehensiveIncomeLossNetOfTaxIncludingRedeemableNoncontrollingInterest

gpk:OtherComprehensiveIncomeLossNetOfTaxIncludingRedeemableNoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value189.010351796-44.56.80.08.6-85.8-15.91715
Percentage of OtherComprehensiveIncomeLossNetOfTaxIncludingRedeemableNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

gpk:OtherComprehensiveIncomeLossNetOfTaxIncludingRedeemableNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value10.010.0-17.60.90.4155
Percentage of OtherComprehensiveIncomeLossNetOfTaxIncludingRedeemableNoncontrollingInterest55.6111.1-167.62.52.3160.2

us-gaap:AccumulatedForeignCurrencyAdjustmentIncludingPortionAttributableToNoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value6.0-5.0322814-56.9
Percentage of OtherComprehensiveIncomeLossNetOfTaxIncludingRedeemableNoncontrollingInterest33.3-55.6306.779.180.5-58.8

us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value2.04.0-4.16.5999999999999993.0-1.4
Percentage of OtherComprehensiveIncomeLossNetOfTaxIncludingRedeemableNoncontrollingInterest11.144.4-39.018.417.2-1.4

gpk:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNonredeemableNoncontrollingInterest

gpk:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNonredeemableNoncontrollingInterest


Other
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1.00.95.53.3226.2-2.8-1.51.0-9.10.8-4.23.1
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNonredeemableNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gpk:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToRedeemableNoncontrollingInterest

gpk:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToRedeemableNoncontrollingInterest


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value0300000.0200000.08400000.01800000.0-800000.0-500000.0300000.0-2700000.0200000.0
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToRedeemableNoncontrollingInterest0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gpk:PercentageofExpectedNaturalGasUsageHedged us-gaap:StatementScenario, us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

gpk:PercentageofExpectedNaturalGasUsageHedged

srt:ScenarioForecast, us-gaap:CommodityContract, us-gaap:CashFlowHedging


Percentageof
Period End2020-12-312019-12-31
Value69.00.69
Percentage of PercentageofExpectedNaturalGasUsageHedged100.0100.0

gpk:PostretirementBenefitPeriodExpenseGreaterLessThanFunding

gpk:PostretirementBenefitPeriodExpenseGreaterLessThanFunding


Postretirement
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-31
Value1.0-11.01.9-11.82.715440-4.52.72.4-2.1-0.7-0.7-1.2-87.5-24.2-3.5-11.9-7.0-22.24.6-6.7-15.2-5.5-8.1
Percentage of PostretirementBenefitPeriodExpenseGreaterLessThanFunding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gpk:RestructuringAndRelatedActivitiesNumberOfMillsExpectedToClose us-gaap:StatementScenario, us-gaap:RestructuringCostAndReserve

gpk:RestructuringAndRelatedActivitiesNumberOfMillsExpectedToClose

srt:ScenarioForecast, us-gaap:FacilityClosing


Restructuring
Period End2023-03-31
Value2.0
Percentage of RestructuringAndRelatedActivitiesNumberOfMillsExpectedToClose100.0

gpk:TransferOfFinancialAssetsAccountedForAsSalesAmountSold

gpk:TransferOfFinancialAssetsAccountedForAsSalesAmountSold


Transfer
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value12412513087797210956413233292730
Percentage of TransferOfFinancialAssetsAccountedForAsSalesAmountSold100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetAcquisitionConsiderationTransferred us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

us-gaap:AssetAcquisitionConsiderationTransferred

gpk:AmericraftCartonInc, us-gaap:SubsequentEvent


Asset
Period End2021-07-01
Value8000000.0
Percentage of AssetAcquisitionConsiderationTransferred100.0

us-gaap:BusinessAcquisitionsProFormaNetIncomeLoss us-gaap:BusinessAcquisition

us-gaap:BusinessAcquisitionsProFormaNetIncomeLoss

gpk:ConsumerPackagingGroup


Business
Period End2021-03-312020-12-31
Value-14.019
Percentage of BusinessAcquisitionsProFormaNetIncomeLoss100.0100.0

us-gaap:BusinessAcquisitionsProFormaRevenue us-gaap:BusinessAcquisition

us-gaap:BusinessAcquisitionsProFormaRevenue

gpk:ConsumerPackagingGroup


Business
Period End2021-03-312020-12-31
Value16547
Percentage of BusinessAcquisitionsProFormaRevenue100.0100.0

us-gaap:BusinessCombinationAcquisitionRelatedCosts

us-gaap:BusinessCombinationAcquisitionRelatedCosts


Business
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value232.00.9-5.51.50.90.60.52.14.98.36.6276.22.35.43.95.85.05.35.13.95.73.41.04.12.44.31.6165.16.70.8123.34.91.00.70.0
Percentage of BusinessCombinationAcquisitionRelatedCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:BusinessCombinationConsiderationTransferred1 us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

us-gaap:BusinessCombinationConsiderationTransferred1

gpk:AmericraftCartonInc, us-gaap:SubsequentEvent


Business
Period End2021-07-01
Value280
Percentage of BusinessCombinationConsiderationTransferred1100.0

us-gaap:BusinessCombinationConsiderationTransferred1 us-gaap:Currency, us-gaap:BusinessAcquisition

currency:EUR, gpk:ARPackaging


Business
Period End2021-05-12
Value1450
Percentage of BusinessCombinationConsiderationTransferred10.0

us-gaap:BusinessCombinationIntegrationRelatedCosts

us-gaap:BusinessCombinationIntegrationRelatedCosts


Business
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value7.08.07.93.7224.25.54.69.44.12.51.42.00.8101.30.74.78.12.40.05.40.60.51.24.12.30.30.50.31.60.6-0.90.1
Percentage of BusinessCombinationIntegrationRelatedCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockDividendsPerShareDeclared

us-gaap:CommonStockDividendsPerShareDeclared


Common
Period End2020-07-232020-05-202020-02-202020-03-312019-07-252019-09-302019-05-222019-06-302019-02-212019-03-312018-07-262018-09-302018-05-232018-06-302018-02-222018-03-312017-07-282017-09-302017-05-242017-06-302017-03-132017-03-312016-10-242016-07-292016-09-302016-05-252016-06-302016-02-252016-03-312015-11-192015-07-302015-09-302015-05-202015-06-302015-02-042015-03-312014-09-302014-06-302014-03-31
Value0.0750.0750.0750.0750.0750.0750.0750.0750.0750.0750.0750.0750.0750.0750.0750.0750.0750.0750.0750.0750.0750.0750.0750.050.050.050.050.050.050.050.050.050.050.050.050.05000
Percentage of CommonStockDividendsPerShareDeclared100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:ConsiderationReceivedForBeneficialInterestObtainedForTransferringFinancialAsset

us-gaap:ConsiderationReceivedForBeneficialInterestObtainedForTransferringFinancialAsset


Consideration
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value3630353830151290296287304149157123
Percentage of ConsiderationReceivedForBeneficialInterestObtainedForTransferringFinancialAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanAccumulatedBenefitObligationIncreaseDecreaseForSettlementAndCurtailment us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAccumulatedBenefitObligationIncreaseDecreaseForSettlementAndCurtailment

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value1.20.00.01520.00.0
Percentage of DefinedBenefitPlanAccumulatedBenefitObligationIncreaseDecreaseForSettlementAndCurtailment100.00.00.0100.00.00.0

us-gaap:DefinedBenefitPlanAdministrationExpenses us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAdministrationExpenses

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-30
Value0100000.0100000.00100000.0100000.0100000.0100000.0100000.0000200000.0
Percentage of DefinedBenefitPlanAdministrationExpenses0.0100.0100.00.0100.0100.0100.0100.0100.00.00.00.0100.0

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses

us-gaap:DefinedBenefitPostretirementHealthCoverage


Defined
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value400000.0400000.0500000.0400000.0500000.0600000.0700000.0500000.0400000.0500000.0400000.0500000.0500000.0500000.0600000.0500000.0500000.0400000.0
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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-1000000.0-1000000.0-1300000.0-1400000.0-1100000.0-1600000.0-2400000.0-2500000.0-2600000.0-2500000.0-1700000.0-1400000.0-1400000.0-1400000.0-1700000.0-1600000.0-1500000.0-1700000.0-7700000.0-7700000.0
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses0.00.0-325.0-350.0-220.0-400.0-480.0-416.7-371.4-500.0-425.0-280.0-350.0-280.0-340.0-320.0-250.0-340.0-1540.0-1925.0

us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit

us-gaap:DefinedBenefitPostretirementHealthCoverage


Defined
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-100000.0-100000.00-100000.0-100000.0-100000.0-100000.0-100000.0-200000.000-100000.0-100000.0-100000.00-100000.00-100000.0
Percentage of DefinedBenefitPlanAmortizationOfPriorServiceCostCredit100.0100.00.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.00.0100.00.0100.0

us-gaap:DefinedBenefitPlanBenefitObligationBenefitsPaid us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanBenefitObligationBenefitsPaid

us-gaap:DefinedBenefitPostretirementHealthCoverage


Defined
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value-0.30.50.30.7-1.01.00.70.50.10.50.80.50.50.50.60.61.6
Percentage of DefinedBenefitPlanBenefitObligationBenefitsPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanContributionsByEmployer us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanContributionsByEmployer

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value3.1140.50.63.17.10.50.63.00.80.71.385221.21011
Percentage of DefinedBenefitPlanContributionsByEmployer100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets

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
Value4.05.05.34.14.76.91313131315151516161615161515
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:DefinedBenefitPlanInterestCost us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanInterestCost

us-gaap:DefinedBenefitPostretirementHealthCoverage


Defined
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value0.30.20.30.20.30.30.30.40.30.30.30.30.30.30.40.30.30.3
Percentage of DefinedBenefitPlanInterestCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value2.02.03.52.83.14.61111111110101010101010101010
Percentage of DefinedBenefitPlanInterestCost0.00.01166.71400.01033.32300.03866.73833.33833.32875.03466.73466.73500.03500.03566.73566.72650.03533.33566.73566.7

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost

us-gaap:DefinedBenefitPostretirementHealthCoverage


Defined
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-0.1-0.20.0-0.2-0.2-0.3-0.3-0.1-0.20.00.0-0.1-0.1-0.10.0-0.10.00.0
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost100.0100.00.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.00.0100.00.00.0

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
Value2.03.04.83.83.5155433.94.23.61.10.70.80.7-1.4-1.4-1.7-1.06.26.3
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost0.00.0-4800.0-1900.00.0-77900.0-21600.0-1300.0-1400.0-3600.0-550.00.00.0-700.01400.01400.00.01000.00.00.0

us-gaap:DefinedBenefitPlanServiceCost us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanServiceCost

us-gaap:DefinedBenefitPostretirementHealthCoverage


Defined
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value0.10.10.20.10.10.10.20.10.10.20.10.20.20.20.20.20.20.2
Percentage of DefinedBenefitPlanServiceCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value3.05.03.93.73.93.93.53.53.73.33.54.64.64.61.42.31.92.62.62.5
Percentage of DefinedBenefitPlanServiceCost0.00.03900.03700.01950.03900.03500.03500.01850.03300.03500.02300.04600.02300.0700.01150.0950.01300.01300.01250.0

us-gaap:DerivativeCostOfHedge

us-gaap:DerivativeCostOfHedge


Derivative
Period End2021-05-14
Value700
Percentage of DerivativeCostOfHedge100.0

us-gaap:DerivativeCostOfHedge us-gaap:Currency

currency:EUR


Derivative
Period End2021-05-12
Value700
Percentage of DerivativeCostOfHedge0.0

us-gaap:DerivativeInstrumentsGainLossReclassificationFromAccumulatedOCIToIncomeEstimatedNetAmountToBeTransferred

us-gaap:DerivativeInstrumentsGainLossReclassificationFromAccumulatedOCIToIncomeEstimatedNetAmountToBeTransferred


Derivative
Period End2021-06-302021-03-312020-12-31
Value3000000.0-2000000.07100000.0
Percentage of DerivativeInstrumentsGainLossReclassificationFromAccumulatedOCIToIncomeEstimatedNetAmountToBeTransferred100.0100.0100.0

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Effect
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0-1000000.03400000.02600000.01300000.0-6100000.02000000.0-1100000.0600000.0200000.0-700000.00-2000000.01200000.0
Percentage of EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments

us-gaap:GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments


Gain
Period End2021-06-302020-06-30
Value164.0
Percentage of GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments100.0100.0

us-gaap:GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation

gpk:DealContingentForeignExchangeContract, gpk:BusinessCombinationsShutdownsAndOtherSpecialChargesAndExitActivitiesNet


Gain
Period End2021-06-30
Value17
Percentage of GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments106.2

us-gaap:ForeignExchangeContract, us-gaap:OtherIncome


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-1.0-3.010-1.7-5.95.5-4.21.91.5-0.1-11.41.94.9-1.0
Percentage of GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments-6.20.00.00.0-147.50.00.00.00.00.00.00.00.00.0

us-gaap:IncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromEquityMethodInvestments


Income
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1000000.0200000.0300000.0300000.0100000.0-100000.0100000.0200000.0200000.0200000.0300000.0400000.0300000.0400000.0400000.0500000.0400000.0200000.0700000.0500000.0400000.0300000.0300000.0300000.0300000.0400000.0400000.0600000.0300000.0300000.0500000.0400000.0300000.0700000.0600000.0700000.0300000.0500000.0700000.0600000.0300000.0200000.0600000.0500000.0
Percentage of IncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOperatingCapital

us-gaap:IncreaseDecreaseInOperatingCapital


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-42.0145-243.8-53.2-21.3337-150.8-45.2-15.9385248214313345-128.9-9.4-12.887-124.8-1.8-16.7104-98.1-21.710128-92.9-21.139114-76.7-34.5-2.7136-79.3-30.73888-90.617-5.199-84.315
Percentage of IncreaseDecreaseInOperatingCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements


Incremental
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value700000.01400000.00700000.0600000.000800000.0500000.0700000.00700000.0600000.0700000.0200000.0500000.0400000.01200000.0-200000.0700000.0400000.01100000.0400000.0700000.0700000.02300000.0-100000.01700000.002700000.0600000.01700000.01700000.02300000.0100000.02100000.01800000.04000000.0005600000.05600000.0
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements100.0100.00.0100.0100.00.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0

us-gaap:LineOfCreditFacilityIncreaseDecreaseForPeriodNet us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:LineOfCreditFacilityIncreaseDecreaseForPeriodNet

gpk:SeniorSecuredTermLoanA1Facility, us-gaap:MediumTermNotes


Line
Period End2021-04-01
Value400
Percentage of LineOfCreditFacilityIncreaseDecreaseForPeriodNet100.0

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

gpk:EuropeanRevolvingCreditFacility, us-gaap:RevolvingCreditFacility, us-gaap:SubsequentEvent


Line
Period End2021-07-23
Value25
Percentage of LineOfCreditFacilityIncreaseDecreaseForPeriodNet0.0

gpk:SeniorSecuredTermLoanA1Facility, us-gaap:MediumTermNotes, us-gaap:SubsequentEvent


Line
Period End2021-04-01
Value400
Percentage of LineOfCreditFacilityIncreaseDecreaseForPeriodNet100.0

us-gaap:MinorityInterestChangeInRedemptionValue

us-gaap:MinorityInterestChangeInRedemptionValue


Minority
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.0-0.5-5.418
Percentage of MinorityInterestChangeInRedemptionValue0.0100.0100.0100.0

us-gaap:MinorityInterestChangeInRedemptionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Minority
Period End2020-09-302020-06-302020-03-31
Value-0.5-5.418
Percentage of MinorityInterestChangeInRedemptionValue100.0100.0100.0

us-gaap:MinorityInterestDecreaseFromRedemptions

us-gaap:MinorityInterestDecreaseFromRedemptions


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-34.0146-85.22100.0250-25.025-19.16.7
Percentage of MinorityInterestDecreaseFromRedemptions100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

us-gaap:MinorityInterestDecreaseFromRedemptions us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Minority
Period End2021-06-302021-03-312020-09-30
Value-241.0-70.087
Percentage of MinorityInterestDecreaseFromRedemptions708.8-47.941.4

us-gaap:NoncontrollingInterest


Minority
Period End2021-06-302021-03-312020-09-302019-06-302019-03-31
Value207216123-19.16.7
Percentage of MinorityInterestDecreaseFromRedemptions-608.8147.958.6100.0100.0

us-gaap:MultiemployerPlanPensionInsignificantPlanContribution

us-gaap:MultiemployerPlanPensionInsignificantPlanContribution


Multiemployer
Period End2020-12-31
Value3900000.0
Percentage of MultiemployerPlanPensionInsignificantPlanContribution100.0

us-gaap:NetIncomeLossAttributableToNonredeemableNoncontrollingInterest

us-gaap:NetIncomeLossAttributableToNonredeemableNoncontrollingInterest


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value4.08.0121314-1.88.41317151221129.9
Percentage of NetIncomeLossAttributableToNonredeemableNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetIncomeLossAttributableToRedeemableNoncontrollingInterest

us-gaap:NetIncomeLossAttributableToRedeemableNoncontrollingInterest


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.02.00.1-5.32.54.15.14.63.56.43.82.9
Percentage of NetIncomeLossAttributableToRedeemableNoncontrollingInterest0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest

us-gaap:NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value42627766-14.5658173591156239
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value4.08.01314-1.81317151221129.9
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest9.512.917.621.812.420.921.221.220.618.420.624.9

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value38546352-12.76357
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest90.587.182.478.287.678.878.8

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-1.0-2.00.7-0.2-0.6151390.00.00.1-2.5-4.1-4.1-4.2-3.1-4.0
Percentage of NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:RetirementPlanType, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit, us-gaap:AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterest


Net
Period End2020-09-302020-06-302020-03-312019-12-31
Value0.10.00.10.1
Percentage of NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent-50.0-0.00.10.3

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax


Other
Period End2020-12-31
Value150
Percentage of OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax100.0

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value3100000.0-100000.00-32400000.0-1400000.0-300000.0-400000.0-200000.0
Percentage of OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest100.0100.00.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-10.0-10.014-0.8-0.3-113.3-4.4-1.1-0.9-1.221-0.7-0.8-0.5-6.6-0.7-0.8-0.7
Percentage of OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax


Other
Period End2020-12-312020-06-302020-03-312019-12-31
Value3915315239
Percentage of OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1000000.0-1000000.04800000.04300000.02600000.0-10000000.04900000.0-3100000.0-600000.0900000.0
Percentage of OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value5.0-4.0272311-46.023-14.6-2.63.9-11.11.2-24.816-2.0101718
Percentage of OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Other
Period End2021-06-302021-03-312020-12-31
Value4.03.0-20.1
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value186.0-3.13417-24.12.7-18.2-9.85.0-48.63.8-28.7193.6101517-12.8-5.3-50.91.7-12.7-22.426-21.4-133.5-24.30.62.3
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value10.09.0-19.20.1-0.132-26.80.1
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax55.6150.0619.40.3-0.6-133.2-992.6-0.5

us-gaap:AccumulatedForeignCurrencyAdjustmentIncludingPortionAttributableToNoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value6.0-5.0322814-56.929-18.6-3.45.02.2-30.920
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax33.3-83.3-1038.781.880.9236.11088.9102.234.7100.057.9107.7103.6

us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value2.02.0-16.16.23.40.70.1
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax11.133.3519.417.919.7-2.93.7

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxNoncontrollingInterest

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxNoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value01000000.0-800000.01100000.0700000.0-300000.0-100000.00-1300000.0-100000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxNoncontrollingInterest0.0100.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2020-09-30
Value5500000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value2000000.03000000.0-3300000.05500000.02300000.0-1000000.0-500000.00-4400000.0-400000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value4.03.0-2.46.14.20.9140.3-7.60.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax us-gaap:DerivativeInstrumentRisk

us-gaap:CommodityContract


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value4.01.0-15.07.54.83.63.90.2-3.60.9
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax100.033.3625.0123.0114.3400.026.766.747.40.0

us-gaap:ForeignExchangeContract


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.02.00.9-1.4-0.22.8-1.40.6-0.21.1
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax0.066.7-37.5-23.0-4.8311.1-9.6200.02.60.0

us-gaap:InterestRateSwap


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value110.0-0.4-5.512-0.5-3.8-2.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax-487.50.0-9.5-611.182.9-166.750.00.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-1000000.0-2000000.0-14900000.0-500000.0500000.02600000.0800000.0400000.00600000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

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

us-gaap:CommodityContract, us-gaap:CostOfSales


Other
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1000000.0-13100000.01400000.02300000.03100000.01400000.0500000.0100000.0-100000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax-100.087.9-280.0460.0119.2175.0125.00.0-16.7

us-gaap:ForeignExchangeContract, us-gaap:OtherIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0-1000000.0-400000.0300000.0200000.0400000.0400000.0200000.00700000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax-0.050.02.7-60.040.015.450.050.00.0116.7

us-gaap:InterestRateSwap, us-gaap:InterestExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-2000000.0-1000000.0-1400000.0-2200000.0-2000000.0-900000.0-1000000.0-300000.0-100000.00
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax200.050.09.4440.0-400.0-34.6-125.0-75.00.00.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value179.09.630136627-13.5-6.14.7-36.23.2-22.0154.2101617
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-10.0-10.0-0.9-0.3-145.7-1.4-1.3-1.426-0.7-0.9-0.6
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-10.0-10.0-0.8-0.3-113.3-1.1-0.9-1.2-0.7-0.8-0.5
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax100.0100.088.9100.077.878.669.285.7100.088.983.3

us-gaap:NoncontrollingInterest


Other
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-0.10.0-32.4-0.3-0.4-0.20.0-0.1-0.1
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax11.1-0.022.221.430.814.3-0.011.116.7

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:RetirementPlanType, us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit, us-gaap:AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterest


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-31
Value-0.4-0.4-0.5-0.4-0.5
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax100.0100.0100.0100.0100.0

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:PensionPlansDefinedBenefit, us-gaap:AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value1.01.02.51.41.115441
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax0.00.0-625.0-350.0-220.0-38525.0-8320.0

us-gaap:OtherNoncashIncomeExpense

us-gaap:OtherNoncashIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-26000000.0-23000000.018000000.0-300000.0-1400000.0-29200000.03300000.0-12500000.0-2600000.0-3300000.0-3700000.0-8600000.0-15600000.0-7400000.0-5100000.0-1400000.08600000.0-4100000.09000000.0-8400000.0-11400000.0-12800000.0-1800000.0-3200000.0-4600000.0-10700000.0-1700000.00-16100000.0-13200000.05500000.0-5800000.0-13700000.0-5500000.019200000.0-900000.0-14200000.0-21600000.05100000.0-10800000.0-6400000.0-7700000.023600000.0-4300000.0
Percentage of OtherNoncashIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherOperatingIncomeExpenseNet

us-gaap:OtherOperatingIncomeExpenseNet


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-1.0-3.00.2-1.15.4-6.5-1.7-4.2-1.7-1.2-3.1-0.7-2.5-0.9-1.6-2.00.40.2-1.10.1-1.2-0.9-0.2-0.24.83.32.40.3-0.41.42.14.04.42.94.31.00.81.21.10.41.3-0.1
Percentage of OtherOperatingIncomeExpenseNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:ForeignExchangeContract, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value0.0-1.0-0.40.30.20.40.4
Percentage of OtherOperatingIncomeExpenseNet-0.033.3-200.0-27.33.7-6.2-23.5

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsForProceedsFromOtherInvestingActivities


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value0.02.0-0.90.96.91.01.11.11.41.00.92.61.12.3-1.4-1.91.11.21.11.31.41.4-6.33.5-4.80.11.32.81.10.51.45.41.10.81.21.11.20.7-0.71.01.00.81.41.1
Percentage of PaymentsForProceedsFromOtherInvestingActivities0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForRepurchaseOfRedeemableNoncontrollingInterest

us-gaap:PaymentsForRepurchaseOfRedeemableNoncontrollingInterest


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value0.01500.02500.02500.00.0
Percentage of PaymentsForRepurchaseOfRedeemableNoncontrollingInterest0.0100.00.0100.00.0100.00.00.0

us-gaap:PaymentsForRestructuring

us-gaap:PaymentsForRestructuring


Payments
Period End2021-06-302021-03-312020-12-31
Value2000000.04000000.01400000.0
Percentage of PaymentsForRestructuring100.0100.0100.0

us-gaap:PaymentsOfDebtIssuanceCosts

us-gaap:PaymentsOfDebtIssuanceCosts


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value9.05.02.34.90.36.40.00.84.20.00.00.00.07.90.00.00.00.00.2
Percentage of PaymentsOfDebtIssuanceCosts100.0100.0100.0100.0100.0100.00.0100.0100.00.00.00.00.0100.00.00.00.00.0100.0

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-30
Value0.0140.10.10.18.80.00.10.04.00.20.00.14.00.10.10.010.00.70.20.0100.20.21.0200.0-1.10.0150.20.1100.11.39.20.0
Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation0.0100.0100.0100.0100.0100.00.0100.00.0100.0100.00.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value0.0-2.080421.6500.02.00.492-6.93.5681200.00.00.83.040288490.0-3.0116160.01730.01180.02.8-2.80.00.00.0
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired0.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.00.0100.00.0100.0100.00.00.00.0

us-gaap:PaymentsToAcquireInterestInSubsidiariesAndAffiliates

us-gaap:PaymentsToAcquireInterestInSubsidiariesAndAffiliates


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
Value0.05.01.12.41.73.30.5-1.53.61531187612138810.15.410
Percentage of PaymentsToAcquireInterestInSubsidiariesAndAffiliates0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireMachineryAndEquipment

us-gaap:PaymentsToAcquireMachineryAndEquipment


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value8.09.07.19.17.56.55.24.75.17.05.05.32.93.27.23.31.86.96.33.12.64.06.51.83.43.5
Percentage of PaymentsToAcquireMachineryAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireOtherProductiveAssets

us-gaap:PaymentsToAcquireOtherProductiveAssets


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value192137213110146146117667373
Percentage of PaymentsToAcquireOtherProductiveAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToSuppliers us-gaap:ProductOrService, us-gaap:BusinessAcquisition, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:PaymentsToSuppliers

gpk:ProductAndServicesFiberProcurementAndCorrugatedProducts, gpk:NACPCombination, gpk:InternationalPaperCompany


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1.03.02.93.03.42.83.83.02.82.83.53.95.53.0
Percentage of PaymentsToSuppliers100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gpk:ProductAndServicesWood, gpk:NACPCombination, gpk:InternationalPaperCompany


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value28535047485951546262940.05347
Percentage of PaymentsToSuppliers2800.01766.71724.11566.71411.82107.11344.71800.02214.32214.32685.70.0963.61566.7

gpk:ProductsAndServicesInkSupply, gpk:NACPCombination, gpk:InternationalPaperCompany


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value6.07.06.77.16.87.86.97.06.46.36.77.17.37.4
Percentage of PaymentsToSuppliers600.0233.3231.0236.7200.0278.6181.6233.3228.6225.0191.4182.1132.7246.7

us-gaap:ProceedsFromIssuanceOfDebt

us-gaap:ProceedsFromIssuanceOfDebt


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value0.012250.03500.04500.00.03000.00.00.00.0
Percentage of ProceedsFromIssuanceOfDebt0.0100.00.0100.00.0100.00.00.0100.00.00.00.00.0

us-gaap:ProceedsFromLinesOfCredit

us-gaap:ProceedsFromLinesOfCredit


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value94288543364535611785266675287755793363506103883111923101861702905521541521993961008155526267355390573409338640-148.3536161746111216
Percentage of ProceedsFromLinesOfCredit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value0.0-5.0-0.8111.4-2.7-2.9-2.21.6-2.6-6.6-0.51.70.0-2.62.36.92.24.1-0.20.0-0.3-0.2-0.7-0.40.0-0.5-1.8-7.9-0.5-0.72.83.94.1-0.54.40.48.9-0.1-0.40.10.10.2
Percentage of ProceedsFromPaymentsForOtherFinancingActivities0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfNotesReceivable

us-gaap:ProceedsFromSaleOfNotesReceivable


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value313349322923231030279573278341282365155154130
Percentage of ProceedsFromSaleOfNotesReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PropertyPlantAndEquipmentAdditions us-gaap:StatementScenario, us-gaap:PropertyPlantAndEquipmentByType

us-gaap:PropertyPlantAndEquipmentAdditions

srt:ScenarioForecast, us-gaap:ConstructionInProgress


Property
Period End2023-03-31
Value600
Percentage of PropertyPlantAndEquipmentAdditions100.0

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax us-gaap:StatementEquityComponents

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Reclassification
Period End2021-06-302021-03-312020-12-31
Value-1000000.0-2000000.0-14900000.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax100.0100.0100.0

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value0-3000000.0-13600000.0-1200000.0-100000.0-120900000.0-32300000.0-1100000.0-1700000.0-1000000.0-600000.0-400000.0-1200000.0-600000.0-600000.0-300000.0-600000.0-100000.0-7600000.0-5800000.0-7100000.0-4900000.0-4500000.0-4800000.0-4500000.0-5000000.0-1900000.0-3300000.0-1600000.0-1700000.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterest


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value0-1000000.0-1600000.0-800000.0-500000.0-123000000.0-33000000.0-1400000.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax0.033.311.866.7500.0101.7102.2127.3

us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterest


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value0-2000000.0-12000000.0-400000.0400000.02100000.0700000.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax0.066.788.233.3-400.0-1.7-2.2

us-gaap:RepaymentsOfLinesOfCredit

us-gaap:RepaymentsOfLinesOfCredit


Repayments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value101467747481432198664972094654863936945532339524624220630247833212224919326025194336940429431945660635530527138770161745101514
Percentage of RepaymentsOfLinesOfCredit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestructuringAndRelatedCostIncurredCost

us-gaap:RestructuringAndRelatedCostIncurredCost


Restructuring
Period 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
Value4.04.03.24.44.0137.23.00.00.00.00.0
Percentage of RestructuringAndRelatedCostIncurredCost100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:RestructuringAndRelatedCostIncurredCost us-gaap:FairValueByAssetClass

gpk:PaperboardMillsSegment


Restructuring
Period End2021-06-302021-03-312020-06-302020-03-31
Value6.04.02.02.0
Percentage of RestructuringAndRelatedCostIncurredCost150.0100.050.015.4

us-gaap:RestructuringAndRelatedCostIncurredCost us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations, us-gaap:RestructuringCostAndReserve

gpk:TwoCRBMills, us-gaap:FacilityClosing


Restructuring
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value0.0120.81.39.3
Percentage of RestructuringAndRelatedCostIncurredCost0.0300.018.232.571.5

gpk:WhitePigeonAndWestMonroe, us-gaap:FacilityClosing


Restructuring
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value0.02.0-0.1-0.52.9
Percentage of RestructuringAndRelatedCostIncurredCost0.050.0-2.3-12.522.3

us-gaap:RestructuringAndRelatedCostIncurredCost us-gaap:PropertyPlantAndEquipmentByType, us-gaap:RestructuringCostAndReserve

us-gaap:ConstructionInProgress, gpk:StartUpCosts


Restructuring
Period End2021-06-302021-03-31
Value3.02.0
Percentage of RestructuringAndRelatedCostIncurredCost75.050.0

us-gaap:RestructuringCharges

us-gaap:RestructuringCharges


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value9.09.08.59.11518
Percentage of RestructuringCharges100.0100.0100.0100.0100.0100.0

us-gaap:RestructuringCostsAndAssetImpairmentCharges us-gaap:IncomeStatementLocation

us-gaap:RestructuringCostsAndAssetImpairmentCharges

gpk:SpecialCharges


Restructuring
Period End2020-12-312020-09-302020-06-302020-03-31
Value1.13.11.59.0
Percentage of RestructuringCostsAndAssetImpairmentCharges100.0100.0100.0100.0

us-gaap:RestructuringReserveAcceleratedDepreciation us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations, us-gaap:RestructuringCostAndReserve

us-gaap:RestructuringReserveAcceleratedDepreciation

gpk:TwoCRBMills, us-gaap:FacilityClosing


Restructuring
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value5.0325.14.711
Percentage of RestructuringReserveAcceleratedDepreciation100.0100.0100.0100.0100.0

gpk:WhitePigeonAndWestMonroe, us-gaap:FacilityClosing


Restructuring
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value0.0170.07.38.5
Percentage of RestructuringReserveAcceleratedDepreciation0.053.10.0155.372.0

us-gaap:RestructuringReserveAcceleratedDepreciation us-gaap:IncomeStatementLocation, us-gaap:RestructuringCostAndReserve

us-gaap:CostOfSales, us-gaap:FacilityClosing


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value5.05.05.34.7114.6
Percentage of RestructuringReserveAcceleratedDepreciation100.015.60.092.2242.639.0

us-gaap:RestructuringReserveAcceleratedDepreciation us-gaap:Range, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations, us-gaap:RestructuringCostAndReserve

srt:Maximum, gpk:TwoCRBMills, us-gaap:FacilityClosing


Restructuring
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value0.0600.00.060
Percentage of RestructuringReserveAcceleratedDepreciation0.0187.50.00.0508.5

srt:Minimum, gpk:BurlingtonNorthCarolinaFacility, us-gaap:FacilityClosing


Restructuring
Period End2020-09-30
Value0.1
Percentage of RestructuringReserveAcceleratedDepreciation2.0

srt:Minimum, gpk:TwoCRBMills, us-gaap:FacilityClosing


Restructuring
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value0.0500.00.050
Percentage of RestructuringReserveAcceleratedDepreciation0.0156.20.00.0423.7

us-gaap:RestructuringReserveAccrualAdjustment1

us-gaap:RestructuringReserveAccrualAdjustment1


Restructuring
Period End2020-12-31
Value0
Percentage of RestructuringReserveAccrualAdjustment10.0

us-gaap:RestructuringReservePeriodIncreaseDecrease

us-gaap:RestructuringReservePeriodIncreaseDecrease


Restructuring
Period End2021-06-302021-03-312020-12-31
Value4.04.02.1
Percentage of RestructuringReservePeriodIncreaseDecrease100.0100.0100.0

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability


Right
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value2822156.33414237.72516
Percentage of RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SeveranceCosts1 us-gaap:IncomeStatementLocation, us-gaap:RestructuringCostAndReserve

us-gaap:SeveranceCosts1

gpk:SpecialCharges, us-gaap:OneTimeTerminationBenefits


Severance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value4.04.02.0999999999999991.32.54.0
Percentage of SeveranceCosts1100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:TitleOfIndividual, us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

gpk:Employees, us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-03-312020-09-302019-09-30
Value15.85-0.020.01
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod


Share
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-30
Value01200000.000800000.0100000.00500000.000600000.00100000.0900000.0100000.001600000.00100000.02100000.00
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod0.0100.00.00.0100.0100.00.0100.00.00.0100.00.0100.0100.0100.00.0100.00.0100.0100.00.0

us-gaap:StockIssuedDuringPeriodSharesNewIssues dei:LegalEntity

us-gaap:StockIssuedDuringPeriodSharesNewIssues

gpk:GraphicPackagingHoldingCompany


Stock
Period End2021-05-212021-02-19
Value2215
Percentage of StockIssuedDuringPeriodSharesNewIssues100.0100.0

us-gaap:StockRepurchasedDuringPeriodShares

us-gaap:StockRepurchasedDuringPeriodShares


Stock
Period End2021-02-192020-08-132020-01-292019-03-312018-12-312017-12-312017-09-302017-06-302017-03-312017-02-102016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312013-11-30
Value9.317150.887543100.0377370.1939641.3121782.9561211.4406974.7517081.8932192.8425213.7125522.9715731.0634010.2856980.27932823
Percentage of StockRepurchasedDuringPeriodShares100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockRepurchasedDuringPeriodValue

us-gaap:StockRepurchasedDuringPeriodValue


Stock
Period End2021-02-192020-08-132020-09-302020-06-302020-01-292020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312013-11-302012-12-31
Value1502509433250124775018591150.00.14.0200300
Percentage of StockRepurchasedDuringPeriodValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0

us-gaap:StockRepurchasedDuringPeriodValue dei:LegalEntity

gpk:InternationalPaperCompany


Stock
Period End2020-08-13
Value250
Percentage of StockRepurchasedDuringPeriodValue100.0

us-gaap:StockRepurchasedDuringPeriodValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value36145234207.727
Percentage of StockRepurchasedDuringPeriodValue38.343.242.344.940.342.145.7

us-gaap:CommonStock


Stock
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value0.10.00.10.00.00.1
Percentage of StockRepurchasedDuringPeriodValue0.10.00.10.00.00.2

us-gaap:RetainedEarnings


Stock
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value58187142291032
Percentage of StockRepurchasedDuringPeriodValue61.656.857.655.059.757.954.1

us-gaap:TreasuryStockAcquiredAverageCostPerShare us-gaap:ShareRepurchaseProgram

us-gaap:TreasuryStockAcquiredAverageCostPerShare

gpk:ShareRepurchaseProgram2017


Treasury
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value0.49-0.0512.870.510.2211.82
Percentage of TreasuryStockAcquiredAverageCostPerShare100.0100.0100.0100.0100.0100.0

us-gaap:ValuationAllowanceDeferredTaxAssetChangeInAmount

us-gaap:ValuationAllowanceDeferredTaxAssetChangeInAmount


Valuation
Period End2021-03-31
Value1000000.0
Percentage of ValuationAllowanceDeferredTaxAssetChangeInAmount100.0

us-gaap:ValuationAllowanceDeferredTaxAssetChangeInAmount us-gaap:ValuationAllowanceByDeferredTaxAsset

gpk:ForeignSubsidiaries


Valuation
Period End2020-12-31
Value0
Percentage of ValuationAllowanceDeferredTaxAssetChangeInAmount0.0

gpk:AccruedIncomeAndOtherTaxesCurrent

gpk:AccruedIncomeAndOtherTaxesCurrent


Accrued
Period End2020-12-312019-12-312018-12-312017-12-31
Value56384429
Percentage of AccruedIncomeAndOtherTaxesCurrent100.0100.0100.0100.0

gpk:DeferredTaxLiabilitiesInvestmentInPartnership

gpk:DeferredTaxLiabilitiesInvestmentInPartnership


Deferred
Period End2020-12-312019-12-312018-12-31
Value530532502
Percentage of DeferredTaxLiabilitiesInvestmentInPartnership100.0100.0100.0

gpk:DefinedBenefitPlanPlanAssetContributionsByEmployerRemainingExcessDueToTerminatedPlan us-gaap:RetirementPlanType

gpk:DefinedBenefitPlanPlanAssetContributionsByEmployerRemainingExcessDueToTerminatedPlan

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-03-31
Value6000000.0
Percentage of DefinedBenefitPlanPlanAssetContributionsByEmployerRemainingExcessDueToTerminatedPlan100.0

gpk:FactoringArrangementAmountTransferredSubjectToContinuingInvolvement

gpk:FactoringArrangementAmountTransferredSubjectToContinuingInvolvement


Factoring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value727689621606600563562535497470602583
Percentage of FactoringArrangementAmountTransferredSubjectToContinuingInvolvement100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gpk:FinanceLeaseLiabilityLessPortionNotYetReclassified

gpk:FinanceLeaseLiabilityLessPortionNotYetReclassified


Finance
Period End2020-12-31
Value129
Percentage of FinanceLeaseLiabilityLessPortionNotYetReclassified100.0

gpk:FinanceLeaseRightOfUseAssetAccumulatedDepreciation

gpk:FinanceLeaseRightOfUseAssetAccumulatedDepreciation


Finance
Period End2020-12-312019-12-31
Value2012
Percentage of FinanceLeaseRightOfUseAssetAccumulatedDepreciation100.0100.0

gpk:FinanceLeaseRightOfUseAssetGross

gpk:FinanceLeaseRightOfUseAssetGross


Finance
Period End2020-12-312019-12-31
Value142142
Percentage of FinanceLeaseRightOfUseAssetGross100.0100.0

gpk:IncreaseDecreaseInDeferredTaxLiability

gpk:IncreaseDecreaseInDeferredTaxLiability


Increase
Period End2021-05-212021-02-19
Value-109000000.0-58000000.0
Percentage of IncreaseDecreaseInDeferredTaxLiability100.0100.0

gpk:InterestCostsCapitalizationThreshold

gpk:InterestCostsCapitalizationThreshold


Interest
Period End2020-12-31
Value1000000.0
Percentage of InterestCostsCapitalizationThreshold100.0

gpk:LongTermDebtGrossAndFinanceLeaseLiability

gpk:LongTermDebtGrossAndFinanceLeaseLiability


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value3768381331693218304634522822
Percentage of LongTermDebtGrossAndFinanceLeaseLiability100.0100.0100.0100.0100.0100.0100.0

gpk:LongTermDebtGrossAndFinanceLeaseLiabilityIncludingCurrentMaturities

gpk:LongTermDebtGrossAndFinanceLeaseLiabilityIncludingCurrentMaturities


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value3786385836633702352134942863
Percentage of LongTermDebtGrossAndFinanceLeaseLiabilityIncludingCurrentMaturities100.0100.0100.0100.0100.0100.0100.0

gpk:MultiemployerPlanWithdrawalObligationIncreaseDecrease

gpk:MultiemployerPlanWithdrawalObligationIncreaseDecrease


Multiemployer
Period End2021-06-30
Value12
Percentage of MultiemployerPlanWithdrawalObligationIncreaseDecrease100.0

gpk:MultiemployerPlansWithdrawalObligationNoncurrent

gpk:MultiemployerPlansWithdrawalObligationNoncurrent


Multiemployer
Period End2020-12-312019-12-31
Value2030
Percentage of MultiemployerPlansWithdrawalObligationNoncurrent100.0100.0

gpk:OtherAccruedPayables

gpk:OtherAccruedPayables


Other
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value3731302510
Percentage of OtherAccruedPayables100.0100.0100.0100.0100.0

gpk:StockRepurchasedDuringThePeriodSharesUnitsRequiredToBeRedeemedInCash

gpk:StockRepurchasedDuringThePeriodSharesUnitsRequiredToBeRedeemedInCash


Stock
Period End2020-12-312020-08-13
Value183.1
Percentage of StockRepurchasedDuringThePeriodSharesUnitsRequiredToBeRedeemedInCash100.0100.0

gpk:StocksRepurchasedDuringThePeriodTaxReceivableAgreementExpectedTaxBasisIncreasePercentageOfTaxBenefitPayable

gpk:StocksRepurchasedDuringThePeriodTaxReceivableAgreementExpectedTaxBasisIncreasePercentageOfTaxBenefitPayable


Stocks
Period End2021-02-19
Value50.0
Percentage of StocksRepurchasedDuringThePeriodTaxReceivableAgreementExpectedTaxBasisIncreasePercentageOfTaxBenefitPayable100.0

gpk:TaxReceivableAgreementLiability

gpk:TaxReceivableAgreementLiability


Tax
Period End2021-05-212021-02-19
Value6543
Percentage of TaxReceivableAgreementLiability100.0100.0

gpk:TransferOfFinancialAssetsAccountedForAsSalesAmountCollectedByFinancialInstitution

gpk:TransferOfFinancialAssetsAccountedForAsSalesAmountCollectedByFinancialInstitution


Transfer
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value1421685278720291318608225416601077504315324491632
Percentage of TransferOfFinancialAssetsAccountedForAsSalesAmountCollectedByFinancialInstitution100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gpk:TransferOfFinancialAssetsAccountedForAsSalesAmountFundedByFinancialInstitution

gpk:TransferOfFinancialAssetsAccountedForAsSalesAmountFundedByFinancialInstitution


Transfer
Period End2020-12-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value54-4.76637-3.6-28.813-121.7-51.5
Percentage of TransferOfFinancialAssetsAccountedForAsSalesAmountFundedByFinancialInstitution100.0100.0100.0100.0100.0100.0100.0100.0100.0

gpk:TransferOfFinancialAssetsAccountedForAsSalesAmountFundedByPaidToFinancialInstitution

gpk:TransferOfFinancialAssetsAccountedForAsSalesAmountFundedByPaidToFinancialInstitution


Transfer
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value100623730-5.037-3.6
Percentage of TransferOfFinancialAssetsAccountedForAsSalesAmountFundedByPaidToFinancialInstitution100.0100.0100.0100.0100.0100.0100.0

gpk:TransferOfFinancialAssetsAccountedForAsSalesPledgedReceivable

gpk:TransferOfFinancialAssetsAccountedForAsSalesPledgedReceivable


Transfer
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value15816020126726026317793124144430.00.0
Percentage of TransferOfFinancialAssetsAccountedForAsSalesPledgedReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

gpk:TransferOfFinancialAssetsAccountedForAsSalesReceivable

gpk:TransferOfFinancialAssetsAccountedForAsSalesReceivable


Transfer
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value119.05.39.69.76.70.74.95.24.366282202240101
Percentage of TransferOfFinancialAssetsAccountedForAsSalesReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccountsReceivableGrossCurrent

us-gaap:AccountsReceivableGrossCurrent


Accounts
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value608462475279370344352396445384366
Percentage of AccountsReceivableGrossCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value138238246226235239266
Percentage of AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value-94200000.0-110700000.0-120500000.0-101800000.0-146700000.0-87800000.0-50600000.0-16600000.0-3000000.0-3600000.0100000.0
Percentage of AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent


Allowance
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1111107.26.77.56.35.36.43.53.2
Percentage of AllowanceForDoubtfulAccountsReceivableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AociLossCashFlowHedgeCumulativeGainLossAfterTax

us-gaap:AociLossCashFlowHedgeCumulativeGainLossAfterTax


Aoci
Period End2020-12-312019-12-31
Value-13100000.0-16600000.0
Percentage of AociLossCashFlowHedgeCumulativeGainLossAfterTax100.0100.0

us-gaap:AssetRetirementObligation

us-gaap:AssetRetirementObligation


Asset
Period End2020-12-312019-12-31
Value1110
Percentage of AssetRetirementObligation100.0100.0

us-gaap:CommonStockValueOutstanding

us-gaap:CommonStockValueOutstanding


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value3000000.03000000.02700000.02700000.02800000.02800000.02900000.02900000.02900000.02900000.03000000.03100000.03100000.03100000.03100000.03100000.03100000.03100000.03100000.03200000.03200000.03200000.03200000.03300000.03300000.03300000.03300000.03300000.03300000.03300000.03200000.03500000.03500000.03500000.03400000.03900000.03900000.03900000.03900000.03900000.03900000.03400000.0
Percentage of CommonStockValueOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerAssetNet

us-gaap:ContractWithCustomerAssetNet


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value171615161921241921221921231811
Percentage of ContractWithCustomerAssetNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiability

us-gaap:ContractWithCustomerLiability


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value555056444443494140344247413828
Percentage of ContractWithCustomerLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CustomerRefundLiabilityCurrent

us-gaap:CustomerRefundLiabilityCurrent


Customer
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value403630158.06.66.714161518
Percentage of CustomerRefundLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:DebtInstrumentFaceAmount

gpk:OnePointFiveOnePercentSeniorNotesDueIn2026, us-gaap:SeniorNotes


Debt
Period End2021-03-08
Value400
Percentage of DebtInstrumentFaceAmount100.0

gpk:SeniorSecuredTermLoanA1Facility, us-gaap:MediumTermNotes


Debt
Period End2021-04-01
Value975
Percentage of DebtInstrumentFaceAmount0.0

gpk:SeniorSecuredTermLoanA1Facility, us-gaap:RevolvingCreditFacility


Debt
Period End2021-04-01
Value550
Percentage of DebtInstrumentFaceAmount0.0

gpk:SeniorSecuredTermLoanA2Facility, us-gaap:MediumTermNotes


Debt
Period End2020-10-15
Value425
Percentage of DebtInstrumentFaceAmount0.0

gpk:SeniorSecuredTermLoanA2Facility, us-gaap:RevolvingCreditFacility


Debt
Period End2021-04-01
Value425
Percentage of DebtInstrumentFaceAmount0.0

gpk:ZeroPointEightTwoPercentSeniorNotesDueIn2024, us-gaap:SeniorNotes


Debt
Period End2021-03-08
Value400
Percentage of DebtInstrumentFaceAmount100.0

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

gpk:EuroTermLoan, us-gaap:MediumTermNotes, us-gaap:SubsequentEvent


Debt
Period End2021-07-23
Value210
Percentage of DebtInstrumentFaceAmount0.0

gpk:SeniorSecuredTermLoanA1Facility, us-gaap:MediumTermNotes, us-gaap:SubsequentEvent


Debt
Period End2021-04-01
Value975
Percentage of DebtInstrumentFaceAmount0.0

gpk:SeniorSecuredTermLoanA1Facility, us-gaap:RevolvingCreditFacility, us-gaap:SubsequentEvent


Debt
Period End2021-04-01
Value550
Percentage of DebtInstrumentFaceAmount0.0

gpk:SeniorSecuredTermLoanA2Facility, us-gaap:MediumTermNotes, us-gaap:SubsequentEvent


Debt
Period End2021-04-01
Value425
Percentage of DebtInstrumentFaceAmount0.0

gpk:TermA3Facility, us-gaap:MediumTermNotes, us-gaap:SubsequentEvent


Debt
Period End2021-07-22
Value250
Percentage of DebtInstrumentFaceAmount0.0

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

us-gaap:DebtInstrumentInterestRateEffectivePercentage

gpk:SeniorNotesPayableIn2021, us-gaap:SeniorNotes


Debt
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value4.754.760.04760.04760.04760.04770.04770.04770.04770.04780.04780.04780.04780.04790.04790.04790.04790.0480.0480.048
Percentage of DebtInstrumentInterestRateEffectivePercentage100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gpk:SeniorNotesPayableIn2028, us-gaap:SeniorNotes


Debt
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value3.553.553.550.03550.0355
Percentage of DebtInstrumentInterestRateEffectivePercentage0.00.074.674.674.6

gpk:SeniorNotesPayablein2022, us-gaap:SeniorNotes


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value4.894.94.94.90.0490.04910.04910.04910.04920.04920.04920.04920.04930.04930.04930.04930.04940.04940.04940.04950.04950.0495
Percentage of DebtInstrumentInterestRateEffectivePercentage0.00.0103.2102.9102.9103.2103.2102.9103.1103.1103.1102.9103.1103.1103.1102.9103.1103.1103.1103.1103.1103.1

gpk:SeniorNotesPayablein2024, us-gaap:SeniorNotes


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value4.154.164.164.160.04160.04170.04170.04170.04170.04170.04180.04180.04180.04180.04190.04190.04190.04190.0420.0420
Percentage of DebtInstrumentInterestRateEffectivePercentage0.00.087.687.487.487.687.687.487.487.487.687.487.487.487.787.587.587.587.787.50.0

gpk:SeniorNotesPayablein2027, us-gaap:SeniorNotes


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value4.814.814.814.820.04820.04820.04820.04830.0483
Percentage of DebtInstrumentInterestRateEffectivePercentage0.00.0101.3101.3101.3101.3101.3101.3101.3

gpk:ZeroPointEightTwoPercentSeniorNotesDueIn2024, us-gaap:SeniorNotes


Debt
Period End2021-06-30
Value0.83
Percentage of DebtInstrumentInterestRateEffectivePercentage0.0

us-gaap:DebtInstrumentInterestRateEffectivePercentage us-gaap:LongtermDebtType

us-gaap:MediumTermNotes


Debt
Period End2020-12-312019-12-312019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value1.670.03280.03930.03890.03590.03480.03190.02840.02740.02550.0230.0220.02020.020.017
Percentage of DebtInstrumentInterestRateEffectivePercentage35.268.982.481.675.172.866.759.457.253.248.045.942.141.70.0

us-gaap:RevolvingCreditFacility


Debt
Period End2021-06-302021-03-312020-12-312019-12-31
Value1.571.572.063.4
Percentage of DebtInstrumentInterestRateEffectivePercentage0.00.043.47142.9

us-gaap:DeferredCompensationLiabilityClassifiedNoncurrent

us-gaap:DeferredCompensationLiabilityClassifiedNoncurrent


Deferred
Period End2020-12-312019-12-31
Value1612
Percentage of DeferredCompensationLiabilityClassifiedNoncurrent100.0100.0

us-gaap:DeferredFinanceCostsNet

us-gaap:DeferredFinanceCostsNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value2626222117181213149.91011121212131415151612131316
Percentage of DeferredFinanceCostsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredIncomeTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value565566533484723655627
Percentage of DeferredIncomeTaxLiabilities100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredRevenueCurrent

us-gaap:DeferredRevenueCurrent


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value2115141111191510131614
Percentage of DeferredRevenueCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredRevenueNoncurrent

us-gaap:DeferredRevenueNoncurrent


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value6500000.05300000.05200000.06600000.06700000.06100000.05700000.05100000.06500000.06000000.06400000.0
Percentage of DeferredRevenueNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsGross


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value7398115220364437556565670736757
Percentage of DeferredTaxAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value404573114165211310
Percentage of DeferredTaxAssetsOperatingLossCarryforwards100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsOther


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value8.4107.64555632315131820
Percentage of DeferredTaxAssetsOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1937301735322813121312
Percentage of DeferredTaxAssetsTaxCreditCarryforwards100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1.40.91.025881031278015712894
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value3.63.82.91620263833332825
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsGoodwill

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsGoodwill


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value2.92.72.3192284279271270250212210
Percentage of DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value11121268998685120129159171
Percentage of DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value201816219334286264258222248264
Percentage of DeferredTaxLiabilitiesPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesUndistributedForeignEarnings

us-gaap:DeferredTaxLiabilitiesUndistributedForeignEarnings


Deferred
Period End2020-12-31
Value51
Percentage of DeferredTaxLiabilitiesUndistributedForeignEarnings100.0

us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value5881249124013591270
Percentage of DefinedBenefitPlanAccumulatedBenefitObligation100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax

us-gaap:DefinedBenefitPostretirementHealthCoverage


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value0.90.81.62018
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value-105.5-279.9-297.3-267.1-277.8
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax-11722.2-34987.5-18581.2-1328.9-1485.6

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax

us-gaap:DefinedBenefitPostretirementHealthCoverage


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value-15300000.0-17300000.0-20200000.0-800000.0-1100000.0
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value3800000.03600000.03600000.0700000.01300000.0
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax-24.8-20.8-17.8-87.5-118.2

us-gaap:DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value212519203.0
Percentage of DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate

us-gaap:DefinedBenefitPostretirementHealthCoverage


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value2.520.03220.04290.03640.041
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value2.110.02690.04140.03490.0401
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate83.783.596.595.997.8

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value3.620.02360.02370.0209
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanBenefitObligation us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanBenefitObligation

us-gaap:DefinedBenefitPostretirementHealthCoverage


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value363534374040
Percentage of DefinedBenefitPlanBenefitObligation100.0100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value59212551245136712791239
Percentage of DefinedBenefitPlanBenefitObligation1633.13496.93651.63665.13150.23036.8

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter

us-gaap:DefinedBenefitPostretirementHealthCoverage


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value10111213
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value181384416405
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter1740.43372.83304.03023.9

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths

us-gaap:DefinedBenefitPostretirementHealthCoverage


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value2.52.42.42.4
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value24716967
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths964.02975.02891.72795.8

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive

us-gaap:DefinedBenefitPostretirementHealthCoverage


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value2.32.82.82.9
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value32767976
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive1413.02746.42825.02644.8

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour

us-gaap:DefinedBenefitPostretirementHealthCoverage


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value2.62.62.82.7
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value30757774
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour1176.92919.22750.02755.6

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree

us-gaap:DefinedBenefitPostretirementHealthCoverage


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value2.52.62.62.7
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value28747471
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree1152.02865.42869.22655.6

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo

us-gaap:DefinedBenefitPostretirementHealthCoverage


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value2.52.52.62.4
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value26737169
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo1060.02920.02765.42879.2

us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear us-gaap:Range, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear

srt:Maximum, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-31
Value202010.0
Percentage of DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear100.0100.0100.0

us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPostretirementHealthCoverage


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value3.03.02.03.0
Percentage of DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear15.015.020.00.0

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

us-gaap:DefinedBenefitPlanFairValueOfPlanAssets

gpk:DefinedBenefitPlanDiversifiedGrowthFund, us-gaap:FairValueInputsLevel2, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-31
Value4248
Percentage of DefinedBenefitPlanFairValueOfPlanAssets100.0100.0

us-gaap:DefinedBenefitPlanCash, us-gaap:FairValueInputsLevel2, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-31
Value2.335
Percentage of DefinedBenefitPlanFairValueOfPlanAssets5.472.2

us-gaap:DefinedBenefitPlanCash, us-gaap:FairValueMeasuredAtNetAssetValuePerShare, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-31
Value3.6124
Percentage of DefinedBenefitPlanFairValueOfPlanAssets8.5256.3

us-gaap:DefinedBenefitPlanDebtSecurity, us-gaap:FairValueInputsLevel1, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-31
Value1817
Percentage of DefinedBenefitPlanFairValueOfPlanAssets43.935.1

us-gaap:DefinedBenefitPlanDebtSecurity, us-gaap:FairValueInputsLevel2, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-31
Value300835
Percentage of DefinedBenefitPlanFairValueOfPlanAssets705.61722.3

us-gaap:DefinedBenefitPlanDebtSecurity, us-gaap:FairValueInputsLevel3, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-31
Value0.30.2
Percentage of DefinedBenefitPlanFairValueOfPlanAssets0.70.4

us-gaap:DefinedBenefitPlanEquitySecuritiesNonUs, us-gaap:FairValueInputsLevel1, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-31
Value7.27.0
Percentage of DefinedBenefitPlanFairValueOfPlanAssets16.914.4

us-gaap:DefinedBenefitPlanEquitySecuritiesUs, us-gaap:FairValueInputsLevel1, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-31
Value4.94.7
Percentage of DefinedBenefitPlanFairValueOfPlanAssets11.59.7

us-gaap:DefinedBenefitPlanEquitySecuritiesUs, us-gaap:FairValueInputsLevel2, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-31
Value11
Percentage of DefinedBenefitPlanFairValueOfPlanAssets27.2

us-gaap:DefinedBenefitPlanEquitySecuritiesUs, us-gaap:FairValueMeasuredAtNetAssetValuePerShare, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-31
Value10178
Percentage of DefinedBenefitPlanFairValueOfPlanAssets237.8161.2

us-gaap:DefinedBenefitPlanRealEstate, us-gaap:FairValueInputsLevel3, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-31
Value1413
Percentage of DefinedBenefitPlanFairValueOfPlanAssets32.926.8

us-gaap:DefinedBenefitPlanFairValueOfPlanAssets us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:RetirementPlanType

gpk:DefinedBenefitPlanDiversifiedGrowthFund, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-31
Value4248
Percentage of DefinedBenefitPlanFairValueOfPlanAssets100.0100.0

us-gaap:DefinedBenefitPlanCash, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-31
Value6.2159
Percentage of DefinedBenefitPlanFairValueOfPlanAssets14.6329.1

us-gaap:DefinedBenefitPlanDebtSecurity, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-31
Value319852
Percentage of DefinedBenefitPlanFairValueOfPlanAssets750.21757.7

us-gaap:DefinedBenefitPlanEquitySecuritiesNonUs, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-31
Value7.27.0
Percentage of DefinedBenefitPlanFairValueOfPlanAssets16.914.4

us-gaap:DefinedBenefitPlanEquitySecuritiesUs, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-31
Value11782
Percentage of DefinedBenefitPlanFairValueOfPlanAssets276.5170.9

us-gaap:DefinedBenefitPlanRealEstate, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-31
Value2221
Percentage of DefinedBenefitPlanFairValueOfPlanAssets53.845.2

us-gaap:DefinedBenefitPlanFairValueOfPlanAssets us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel3


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value14135.80.80.0350.00.00.00.0
Percentage of DefinedBenefitPlanFairValueOfPlanAssets33.627.20.00.00.00.00.00.00.00.0

us-gaap:DefinedBenefitPlanFairValueOfPlanAssets us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:RetirementPlanType

us-gaap:FairValueInputsLevel1, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-31
Value3129
Percentage of DefinedBenefitPlanFairValueOfPlanAssets73.059.8

us-gaap:FairValueInputsLevel2, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-31
Value366927
Percentage of DefinedBenefitPlanFairValueOfPlanAssets859.21912.8

us-gaap:FairValueInputsLevel3, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-31
Value1413
Percentage of DefinedBenefitPlanFairValueOfPlanAssets33.627.2

us-gaap:FairValueMeasuredAtNetAssetValuePerShare, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-31
Value104202
Percentage of DefinedBenefitPlanFairValueOfPlanAssets246.2417.5

us-gaap:DefinedBenefitPlanFairValueOfPlanAssets us-gaap:RetirementPlanType

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value51611721186134011151038
Percentage of DefinedBenefitPlanFairValueOfPlanAssets1212.02417.30.00.00.00.0

us-gaap:DefinedBenefitPlanFundedPercentage gpk:MultiemployerPlansCertifiedZoneStatus

us-gaap:DefinedBenefitPlanFundedPercentage

gpk:GreenZone


Defined
Period End2020-12-312019-12-312018-12-31
Value80.00.80.8
Percentage of DefinedBenefitPlanFundedPercentage100.0100.0100.0

gpk:RedZone


Defined
Period End2020-12-312019-12-312018-12-31
Value65.00.650.65
Percentage of DefinedBenefitPlanFundedPercentage81.281.281.2

gpk:YellowZone


Defined
Period End2020-12-312019-12-312018-12-31
Value80.00.80.8
Percentage of DefinedBenefitPlanFundedPercentage100.0100.0100.0

us-gaap:DefinedBenefitPlanFundedStatusOfPlan us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanFundedStatusOfPlan

us-gaap:DefinedBenefitPostretirementHealthCoverage


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value-36300000.0-35900000.0-34100000.0-37300000.0-40600000.0
Percentage of DefinedBenefitPlanFundedStatusOfPlan100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value-76500000.0-83000000.0-58700000.0-26400000.0-163400000.0
Percentage of DefinedBenefitPlanFundedStatusOfPlan210.7231.2172.170.8402.5

us-gaap:DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear

us-gaap:DefinedBenefitPostretirementHealthCoverage


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value6.40.06650.090.090.0745
Percentage of DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-31
Value356266
Percentage of DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets100.0100.0

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-31
Value361266
Percentage of DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation100.0100.0

us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage us-gaap:DefinedBenefitPlanByPlanAssetCategories

us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage

us-gaap:Cash


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value0.40.00200
Percentage of DefinedBenefitPlanPlanAssetsTargetAllocationPercentage100.0100.00.00.0

us-gaap:EquitySecurities


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value22.80.0840.0840.466
Percentage of DefinedBenefitPlanPlanAssetsTargetAllocationPercentage5700.04200.00.00.0

us-gaap:FixedIncomeSecurities


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value60.70.8520.8640.534
Percentage of DefinedBenefitPlanPlanAssetsTargetAllocationPercentage15175.042600.00.00.0

us-gaap:OtherInvestments


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value16.10.0620.0520
Percentage of DefinedBenefitPlanPlanAssetsTargetAllocationPercentage4025.03100.00.00.0

us-gaap:DefinedBenefitPlanUltimateHealthCareCostTrendRate1 us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanUltimateHealthCareCostTrendRate1

us-gaap:DefinedBenefitPostretirementHealthCoverage


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value4.50.0450.0450.0450.045
Percentage of DefinedBenefitPlanUltimateHealthCareCostTrendRate1100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanWeightedAverageAssetAllocations us-gaap:DefinedBenefitPlanByPlanAssetCategories

us-gaap:DefinedBenefitPlanWeightedAverageAssetAllocations

us-gaap:Cash


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value1.20.1360.050.0240.0130.0110.0260.0220.0140.02
Percentage of DefinedBenefitPlanWeightedAverageAssetAllocations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EquitySecurities


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value24.20.0770.0810.1120.40.5170.510.5270.5290.524
Percentage of DefinedBenefitPlanWeightedAverageAssetAllocations2016.756.6162.0466.73076.94700.01961.52395.53778.62620.0

us-gaap:FixedIncomeSecurities


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value61.90.6860.7950.8270.5390.4160.3990.3860.3890.41
Percentage of DefinedBenefitPlanWeightedAverageAssetAllocations5158.3504.41590.03445.84146.23781.81534.61754.52778.62050.0

us-gaap:OtherInvestments


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value12.70.1010.0740.0370.0480.0560.0650.0650.0680.046
Percentage of DefinedBenefitPlanWeightedAverageAssetAllocations1058.374.3148.0154.2369.2509.1250.0295.5485.7230.0

us-gaap:DerivativeAverageVariableInterestRate us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeAverageVariableInterestRate

gpk:InterestSwapPositionFour


Derivative
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312016-03-31
Value2.790.02790.02790.02790.02790.02920.02360.02360.02360.014
Percentage of DerivativeAverageVariableInterestRate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gpk:InterestSwapPositionOne


Derivative
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312016-12-312016-09-302016-06-302016-03-31
Value2.922.922.360.02360.02360.02250.02250.02250.02250.02030.01160.01160.01160.010.010.010.0075
Percentage of DerivativeAverageVariableInterestRate0.00.00.00.00.080.680.680.680.669.549.249.249.20.00.00.053.6

gpk:InterestSwapPositionThree


Derivative
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value2.922.790.02790.02790.02920.02920.02920.02920.02360.02250.02250.02250.01160.01160.01160.01160.01160.01160.0103
Percentage of DerivativeAverageVariableInterestRate104.70.00.00.0104.7104.7104.7104.780.895.395.395.30.00.00.00.00.00.073.6

gpk:InterestSwapPositionTwo


Derivative
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value2.792.792.920.02920.02920.02360.02360.02360.02360.02250.02030.02030.02030.00890.00890.00890.00890.00890.00890.01
Percentage of DerivativeAverageVariableInterestRate0.00.00.00.00.084.684.684.684.677.186.086.086.00.00.00.00.00.00.071.4

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

us-gaap:DerivativeFairValueOfDerivativeAsset

us-gaap:OtherCurrentAssets, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value5000000.03000000.02000000.05800000.0600000.01100000.01600000.0900000.0500000.0700000.0
Percentage of DerivativeFairValueOfDerivativeAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherNoncurrentAssets, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-06-30
Value1000000.0
Percentage of DerivativeFairValueOfDerivativeAsset20.0

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

us-gaap:CommodityContract, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-06-302018-03-31
Value5000000.02000000.02100000.05700000.000000900000.0000
Percentage of DerivativeFairValueOfDerivativeAsset100.066.7105.098.30.00.00.00.00.00.00.00.00.0

us-gaap:ForeignExchangeForward, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-06-30
Value1000000.01000000.0100000.0600000.01100000.00500000.0300000.000
Percentage of DerivativeFairValueOfDerivativeAsset20.033.31.7100.0100.00.055.660.00.00.0

us-gaap:DerivativeFairValueOfDerivativeAsset us-gaap:HedgingDesignation

us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-06-302018-03-31
Value6000000.03000000.02100000.05800000.0600000.01100000.00900000.0500000.01900000.0800000.0800000.0800000.0
Percentage of DerivativeFairValueOfDerivativeAsset120.0100.0105.0100.0100.0100.00.0100.0100.00.0114.30.00.0

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

us-gaap:DerivativeFairValueOfDerivativeLiability

us-gaap:OtherCurrentLiabilities, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value4.06.08.56.27.29.78.57.16.01.3
Percentage of DerivativeFairValueOfDerivativeLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherNoncurrentLiabilities, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value0.41.93.24.33.04.34.82.1
Percentage of DerivativeFairValueOfDerivativeLiability4.730.644.444.335.360.680.0161.5

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

us-gaap:ForeignExchangeForward, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-06-30
Value1.01.02.90.50.10.01.50.00.20.50.5
Percentage of DerivativeFairValueOfDerivativeLiability25.016.734.18.11.40.017.60.03.338.50.0

us-gaap:InterestRateSwap, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-06-302018-03-31
Value3.05.06.07.69.9116.68.37.84.32.72.72.7
Percentage of DerivativeFairValueOfDerivativeLiability75.083.370.6122.6137.5114.477.6116.9130.00.0207.70.00.0

us-gaap:DerivativeFairValueOfDerivativeLiability us-gaap:HedgingDesignation

us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-06-302018-03-31
Value4.06.08.98.110141111104.43.43.43.4
Percentage of DerivativeFairValueOfDerivativeLiability100.0100.0104.7130.6144.4144.3135.3160.6180.00.0261.50.00.0

us-gaap:DerivativeLiabilitiesCurrent

us-gaap:DerivativeLiabilitiesCurrent


Derivative
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value8.58.51.31.20.814153.33.05.019
Percentage of DerivativeLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeLiabilitiesNoncurrent

us-gaap:DerivativeLiabilitiesNoncurrent


Derivative
Period End2020-12-312019-12-312018-12-312017-12-312011-12-312010-12-31
Value400000.03000000.02100000.0009100000.0
Percentage of DerivativeLiabilitiesNoncurrent100.0100.0100.00.00.0100.0

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

us-gaap:DerivativeNotionalAmount

us-gaap:ForeignExchangeForward, us-gaap:CashFlowHedging, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value4573101203862871051
Percentage of DerivativeNotionalAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:ForeignExchangeForward, us-gaap:Nondesignated


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value137101808611076776362
Percentage of DerivativeNotionalAmount304.4138.478.7432.0285.8122.288.4608.6120.5

us-gaap:DividendsPayableCurrentAndNoncurrent

us-gaap:DividendsPayableCurrentAndNoncurrent


Dividends
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value202122232316
Percentage of DividendsPayableCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeRelatedLiabilitiesCurrent

us-gaap:EmployeeRelatedLiabilitiesCurrent


Employee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value17715821319316611116814413612115416215014711311610595107981131031191171049911811213310393
Percentage of EmployeeRelatedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized us-gaap:AwardType

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

us-gaap:RestrictedStockUnitsRSU


Employee
Period End2020-12-31
Value31
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized100.0

us-gaap:EquityMethodInvestmentOwnershipPercentage us-gaap:CounterpartyName

us-gaap:EquityMethodInvestmentOwnershipPercentage

gpk:InternationalPaperCompany


Equity
Period End2021-02-192020-12-312020-08-132020-01-292020-01-282019-12-312018-01-01
Value7.415.014.50.1830.2160.2160.205
Percentage of EquityMethodInvestmentOwnershipPercentage100.0100.0100.0100.0100.0100.0100.0

us-gaap:EquityMethodInvestmentOwnershipPercentage us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

gpk:RengoRiverwoodPackagingLtd.


Equity
Period End2020-12-312019-12-312017-12-312016-12-312015-12-31
Value50.00.50.50.50.5
Percentage of EquityMethodInvestmentOwnershipPercentage333.3231.50.00.00.0

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseLiability


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value137138139140132133134135136127122
Percentage of FinanceLeaseLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityCurrent

us-gaap:FinanceLeaseLiabilityCurrent


Finance
Period End2020-12-312019-12-31
Value5000000.04600000.0
Percentage of FinanceLeaseLiabilityCurrent100.0100.0

us-gaap:FinanceLeaseLiabilityNoncurrent

us-gaap:FinanceLeaseLiabilityNoncurrent


Finance
Period End2020-12-312019-12-31
Value134129
Percentage of FinanceLeaseLiabilityNoncurrent100.0100.0

us-gaap:FinanceLeaseLiabilityPaymentsDue

us-gaap:FinanceLeaseLiabilityPaymentsDue


Finance
Period End2020-12-31
Value207
Percentage of FinanceLeaseLiabilityPaymentsDue100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive


Finance
Period End2020-12-31
Value145
Percentage of FinanceLeaseLiabilityPaymentsDueAfterYearFive100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths


Finance
Period End2020-12-31
Value12
Percentage of FinanceLeaseLiabilityPaymentsDueNextTwelveMonths100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive


Finance
Period End2020-12-31
Value12
Percentage of FinanceLeaseLiabilityPaymentsDueYearFive100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour


Finance
Period End2020-12-31
Value12
Percentage of FinanceLeaseLiabilityPaymentsDueYearFour100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree


Finance
Period End2020-12-31
Value12
Percentage of FinanceLeaseLiabilityPaymentsDueYearThree100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo


Finance
Period End2020-12-31
Value12
Percentage of FinanceLeaseLiabilityPaymentsDueYearTwo100.0

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount


Finance
Period End2020-12-31
Value78
Percentage of FinanceLeaseLiabilityUndiscountedExcessAmount100.0

us-gaap:FinanceLeaseRightOfUseAsset

us-gaap:FinanceLeaseRightOfUseAsset


Finance
Period End2020-12-312019-12-31
Value122129
Percentage of FinanceLeaseRightOfUseAsset100.0100.0

us-gaap:FinanceLeaseRightOfUseAsset us-gaap:PropertyPlantAndEquipmentByType

us-gaap:MachineryAndEquipment


Finance
Period End2020-12-312019-12-31
Value3636
Percentage of FinanceLeaseRightOfUseAsset30.128.2

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value669608547480415360309322275254214
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization us-gaap:FiniteLivedIntangibleAssetsByMajorClass

gpk:PatentsTrademarksAndLicenses


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value11311010410394918379728881
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization16.918.219.121.522.825.326.924.726.434.837.7

us-gaap:CustomerRelationships


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value556497442377321269226242204167129
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization83.181.880.978.577.274.773.175.374.165.660.1

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths


Finite
Period End2020-12-31
Value60
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive


Finite
Period End2020-12-31
Value49
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFive100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour


Finite
Period End2020-12-31
Value53
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFour100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree


Finite
Period End2020-12-31
Value55
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearThree100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo


Finite
Period End2020-12-31
Value57
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo100.0

us-gaap:FiniteLivedIntangibleAssetsGross

us-gaap:FiniteLivedIntangibleAssetsGross


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value110610851071917861746694789774790791
Percentage of FiniteLivedIntangibleAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsGross us-gaap:FiniteLivedIntangibleAssetsByMajorClass

gpk:PatentsTrademarksAndLicenses


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value141138133130125119115118113132129
Percentage of FiniteLivedIntangibleAssetsGross12.812.812.514.214.516.016.615.014.716.716.3

us-gaap:CustomerRelationships


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value965946937786736627579670662659657
Percentage of FiniteLivedIntangibleAssetsGross87.287.287.585.885.584.083.485.085.583.583.0

us-gaap:InterestPayableCurrent

us-gaap:InterestPayableCurrent


Interest
Period End2020-12-312019-12-312018-12-312017-12-312017-06-302017-03-312016-12-312016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value30241314131815169.2168.6169.422152313251024132623352428
Percentage of InterestPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryFinishedGoodsNetOfReserves

us-gaap:InventoryFinishedGoodsNetOfReserves


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value427471471448481464434429440457426429408406240240244258238240245268265254256290260260257299288305306293269245261267243229
Percentage of InventoryFinishedGoodsNetOfReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryRawMaterialsNetOfReserves

us-gaap:InventoryRawMaterialsNetOfReserves


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value355337348380389378370352369341319332318298229214202191187198196188163173178148139150144153149157168171152148139146140100
Percentage of InventoryRawMaterialsNetOfReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventorySuppliesNetOfReserves

us-gaap:InventorySuppliesNetOfReserves


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value1821791751771731671671701681691651631561539089878683828079787675726967677169676562595858545350
Percentage of InventorySuppliesNetOfReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryWorkInProcessNetOfReserves

us-gaap:InventoryWorkInProcessNetOfReserves


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value1411381321471521321231221211041021041061067477666673696863506458515253535349545551505051474136
Percentage of InventoryWorkInProcessNetOfReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths


Lessee
Period End2020-12-31
Value64
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths100.0

us-gaap:LettersOfCreditOutstandingAmount

us-gaap:LettersOfCreditOutstandingAmount


Letters
Period End2020-12-31
Value20
Percentage of LettersOfCreditOutstandingAmount100.0

us-gaap:LettersOfCreditOutstandingAmount us-gaap:CreditFacility

us-gaap:DomesticLineOfCredit


Letters
Period End2021-06-302021-03-312020-09-30
Value232120
Percentage of LettersOfCreditOutstandingAmount0.00.00.0

us-gaap:LineOfCredit

us-gaap:LineOfCredit


Line
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value2262979212929425667187244662437495530641357351283331224339617668237335379434296234
Percentage of LineOfCredit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LineOfCredit us-gaap:CreditFacility

gpk:OtherInternationalFacilities


Line
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value6.0118.3161313141924393837374038293039404210.010129.19.89.97.8
Percentage of LineOfCredit2.73.79.012.54.55.321.710.210.06.08.87.67.06.310.68.310.711.917.812.51.61.65.32.72.62.32.6

us-gaap:DomesticLineOfCredit


Line
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value143211202031700.088138542329362389498218262203242142212527570149239275323171
Percentage of LineOfCredit63.371.015.569.066.30.047.056.781.875.273.173.477.661.374.671.673.163.162.585.385.263.071.272.574.457.8

us-gaap:ForeignLineOfCredit


Line
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value77758493787352808180709510410310060504942848088758794101117
Percentage of LineOfCredit34.125.391.072.026.528.478.342.833.312.216.019.319.616.128.117.117.715.019.025.013.013.231.726.124.923.339.6

us-gaap:LineOfCreditFacilityInterestRateAtPeriodEnd us-gaap:LongtermDebtType

us-gaap:LineOfCreditFacilityInterestRateAtPeriodEnd

us-gaap:MediumTermNotes


Line
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value1.591.591.620.01620.02450.03490.0389
Percentage of LineOfCreditFacilityInterestRateAtPeriodEnd100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevolvingCreditFacility


Line
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value1.591.561.51.520.01580.01930.02510.0305
Percentage of LineOfCreditFacilityInterestRateAtPeriodEnd100.098.10.093.897.578.871.978.4

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity


Line
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value184313711587154013641405160214791430100812361178114110441128112111821121122211198057571181109010489881144968764803771812646598651675589510372
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity us-gaap:CreditFacility

gpk:OtherInternationalFacilities


Line
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value494349383542454139262726282829282615129.812118.916202019
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity2.73.13.12.52.63.02.82.82.72.62.22.22.52.82.62.62.31.41.00.91.61.50.81.51.92.11.7

us-gaap:DomesticLineOfCredit


Line
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value168412181429140912291262143213441292884109810641033924101096710259851085101569665510769869489001054
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity91.488.890.191.590.189.889.490.990.487.888.890.490.588.589.686.386.887.988.890.786.586.591.290.590.491.192.1

us-gaap:ForeignLineOfCredit


Line
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value11011010892100101125939896110877990871251291201249496919587806770
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity6.08.06.86.07.37.27.86.36.99.69.07.47.08.77.811.211.010.710.28.512.012.08.18.17.66.96.2

us-gaap:LongTermDebtAndCapitalLeaseObligationsCurrent

us-gaap:LongTermDebtAndCapitalLeaseObligationsCurrent


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value18454934844754141414040403838385245393226252525253334353268737977838788796464492119
Percentage of LongTermDebtAndCapitalLeaseObligationsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LongTermDebtFairValue

us-gaap:LongTermDebtFairValue


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value3692377036243627342831882788290829513054276228962929308822992307223122412132228222812324189119932052212319752087233822242267224022932437239920472148222524022626
Percentage of LongTermDebtFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive


Long
Period End2020-12-31
Value1103
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths


Long
Period End2020-12-31
Value488
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour


Long
Period End2020-12-31
Value300
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree


Long
Period End2020-12-31
Value1252
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo


Long
Period End2020-12-31
Value378
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo100.0

us-gaap:MultiemployerPlansWithdrawalObligation

us-gaap:MultiemployerPlansWithdrawalObligation


Multiemployer
Period End2020-12-312020-09-302019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value374230322930303025242421
Percentage of MultiemployerPlansWithdrawalObligation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MultiemployerPlansWithdrawalObligation us-gaap:RetirementPlanName

gpk:GraphicCommunicationsConferenceofInternationalBrotherhoodofTeamsterPensionFund


Multiemployer
Period End2020-12-31
Value4.4
Percentage of MultiemployerPlansWithdrawalObligation11.8

gpk:PIUMPF


Multiemployer
Period End2020-12-31
Value4.4
Percentage of MultiemployerPlansWithdrawalObligation11.8

us-gaap:OffMarketLeaseUnfavorable

us-gaap:OffMarketLeaseUnfavorable


Off
Period End2020-12-312019-12-312018-12-312017-12-31
Value2628310.0
Percentage of OffMarketLeaseUnfavorable100.0100.0100.00.0

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent


Operating
Period End2020-12-312019-12-31
Value3.243.57
Percentage of OperatingLeaseWeightedAverageDiscountRatePercent100.0100.0

us-gaap:OperatingLossCarryforwards us-gaap:IncomeTaxAuthority

us-gaap:OperatingLossCarryforwards

us-gaap:DomesticCountry


Operating
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312016-06-302016-03-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value198220231243262470470370558731796934
Percentage of OperatingLossCarryforwards100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignCountry


Operating
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value11911010511710210112914010393
Percentage of OperatingLossCarryforwards60.149.845.748.339.027.423.219.113.010.0

us-gaap:OtherLongTermDebt

us-gaap:OtherLongTermDebt


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value4.04.05.05.15.45.75.45.66.331262826292825222.83.0364.12.71.89.39.89.97.86.8121716224954541813112.42.0
Percentage of OtherLongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherLongTermDebt us-gaap:LongtermDebtType

gpk:OtherDebt


Other
Period End2020-12-312019-12-312018-12-312017-12-31
Value4.95.42628
Percentage of OtherLongTermDebt98.0100.0100.0100.0

us-gaap:OtherReceivablesNetCurrent

us-gaap:OtherReceivablesNetCurrent


Other
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value575310715063876121212118
Percentage of OtherReceivablesNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherSundryLiabilitiesCurrent

us-gaap:OtherSundryLiabilitiesCurrent


Other
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value4632353883685449423931
Percentage of OtherSundryLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherSundryLiabilitiesNoncurrent

us-gaap:OtherSundryLiabilitiesNoncurrent


Other
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value5537372220212827281419
Percentage of OtherSundryLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities us-gaap:RetirementPlanType

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities

us-gaap:DefinedBenefitPostretirementHealthCoverage


Pension
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value2500000.02400000.02500000.02400000.02800000.0
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Pension
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value1800000.01700000.01800000.01700000.01700000.0
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities72.070.872.070.860.7

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization


Property
Period End2020-12-312019-12-31
Value38083567
Percentage of PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization100.0100.0

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization


Property
Period End2020-12-312019-12-31
Value35603253
Percentage of PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization100.0100.0

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization


Property
Period End2020-12-312019-12-31
Value73686821
Percentage of PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization100.0100.0

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization us-gaap:PropertyPlantAndEquipmentByType

us-gaap:Building


Property
Period End2020-12-312019-12-31
Value671655
Percentage of PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization9.19.6

us-gaap:MachineryAndEquipment


Property
Period End2020-12-312019-12-31
Value60825832
Percentage of PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization82.585.5

us-gaap:RestructuringAndRelatedCostCostIncurredToDate1 us-gaap:RestructuringCostAndReserve

us-gaap:RestructuringAndRelatedCostCostIncurredToDate1

us-gaap:OneTimeTerminationBenefits


Restructuring
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value189.0423318
Percentage of RestructuringAndRelatedCostCostIncurredToDate1100.0100.0100.0100.0100.0

us-gaap:RestructuringAndRelatedCostExpectedCost1 us-gaap:FairValueByAssetClass

us-gaap:RestructuringAndRelatedCostExpectedCost1

gpk:PaperboardMillsSegment


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value262626404040
Percentage of RestructuringAndRelatedCostExpectedCost1100.0100.0100.0100.0100.0100.0

us-gaap:RestructuringAndRelatedCostExpectedCost1 us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations, us-gaap:RestructuringCostAndReserve

gpk:BurlingtonNorthCarolinaFacility, us-gaap:OneTimeTerminationBenefits


Restructuring
Period End2020-09-302020-06-30
Value1.43.5
Percentage of RestructuringAndRelatedCostExpectedCost13.58.8

us-gaap:RestructuringAndRelatedCostExpectedCost1 us-gaap:Range, us-gaap:RestructuringCostAndReserve

srt:Maximum, us-gaap:OneTimeTerminationBenefits