PKG


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

Table of contents



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

us-gaap:CommonStockSharesIssued

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:AwardType

us-gaap:ComprehensiveIncomeNetOfTax
us-gaap:StatementEquityComponents

us-gaap:CostOfGoodsAndServicesSold

us-gaap:GrossProfit

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

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

us-gaap:IncomeTaxesPaidNet

us-gaap:InterestIncomeExpenseNet

us-gaap:InterestIncomeExpenseNonoperatingNet

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

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:OperatingCostsAndExpenses

us-gaap:OperatingIncomeLoss
us-gaap:StatementBusinessSegments

us-gaap:ProfitLoss

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

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:Assets
us-gaap:ConsolidatedEntities
us-gaap:StatementBusinessSegments
us-gaap:ConsolidatedEntities
us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity
us-gaap:DerivativeInstrumentRisk, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:InvestmentType
us-gaap:InvestmentType
us-gaap:StatementGeographical

us-gaap:AccountsReceivableNetCurrent
us-gaap:MajorCustomers, us-gaap:ConcentrationRiskByType

us-gaap:InventoryNet

us-gaap:InventoryFinishedGoods

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
us-gaap:LeaseContractualTerm

us-gaap:AmortizationOfIntangibleAssets

us-gaap:PropertyPlantAndEquipmentNet
us-gaap:LeaseContractualTerm

us-gaap:Goodwill
us-gaap:StatementBusinessSegments

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OtherAssetsNoncurrent

us-gaap:AccountsPayableCurrent

us-gaap:AccruedIncomeTaxesCurrent

us-gaap:AccruedLiabilitiesCurrent

us-gaap:DividendsPayableCurrent

us-gaap:LiabilitiesCurrent

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:LiabilitiesNoncurrent

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

us-gaap:LongTermDebtNoncurrent

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent
us-gaap:RetirementPlanType

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:DerivativeInstrumentRisk, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:AmortizationOfFinancingCosts

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInInventories

us-gaap:NetCashProvidedByUsedInOperatingActivities

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

us-gaap:ProfitLoss

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:PaymentsOfDividendsCommonStock
us-gaap:SubsequentEventType

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxAssetsNet

us-gaap:UnrecognizedTaxBenefits

us-gaap:DeferredTaxAssetsValuationAllowance
us-gaap:RestructuringPlan, us-gaap:StatementBusinessSegments
pkg:AdjustmentOfAssetRetirementObligation

pkg:BusinessExitAndOtherCosts

pkg:CommonStockWithheldToCoverTaxesOnVestedAndRetiredStockAwardsValue
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
pkg:CommonStockWithheldToCoverTaxesOnVestedStockAwards

pkg:DepreciationDepletionAmortizationAndOtherCashFlowImpact

pkg:HighStockPricePerShare
us-gaap:StatementBusinessSegments, us-gaap:UnusualRiskOrUncertaintyByNature
pkg:IncrementalOutOfPocketCosts
us-gaap:RestructuringPlan, us-gaap:UnusualRiskOrUncertaintyByNature
pkg:LossFromCatastrophesAfterTax
us-gaap:RestructuringPlan, us-gaap:UnusualRiskOrUncertaintyByNature
pkg:LossFromCatastrophesIncomeLossPerShareDiluted

pkg:LowStockPricePerShare

pkg:NonOperatingPensionIncomeExpense

pkg:OtherComprehensiveIncomeAmortizationOfDefinedBenefitPlanNetPriorServiceCostAndNetLossRecognizedInNetPeriodicPensionCostTax

pkg:PensionAndPostretirementBenefitsContributionsExpenseNet
us-gaap:StatementBusinessSegments
pkg:RestructuringAndRelatedCostAfterTax
us-gaap:StatementBusinessSegments
pkg:RestructuringAndRelatedCostIncomeLossPerShareDiluted

pkg:UnrealizedGainOnSecurities1
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:InvestmentType

us-gaap:AdjustmentsToAdditionalPaidInCapitalOther
us-gaap:StatementEquityComponents

us-gaap:AllocatedShareBasedCompensationExpenseNetOfTax

us-gaap:AmortizationOfDeferredCharges

us-gaap:CapitalExpendituresIncurredButNotYetPaid

us-gaap:CommonStockDividendsPerShareDeclared
us-gaap:MajorCustomers, us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType
us-gaap:ConcentrationRiskPercentage1
us-gaap:MajorCustomers, us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType, us-gaap:StatementBusinessSegments
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses
us-gaap:RetirementPlanType
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit
us-gaap:RetirementPlanType
us-gaap:RetirementPlanTaxStatus, 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:Depreciation

us-gaap:DividendsCommonStockCash
us-gaap:StatementEquityComponents

us-gaap:EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense

us-gaap:GainLossOnDispositionOfAssets

us-gaap:GainLossOnDispositionOfAssets1

us-gaap:GoodwillImpairmentLoss

us-gaap:IncreaseDecreaseInAccruedLiabilities

us-gaap:IncreaseDecreaseInIncomeTaxesReceivable

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:InterestPaid
us-gaap:RestructuringPlan, us-gaap:UnusualRiskOrUncertaintyByNature
us-gaap:LossFromCatastrophes

us-gaap:NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent

us-gaap:OciBeforeReclassificationsNetOfTaxAttributableToParent
us-gaap:DerivativeInstrumentRisk, us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax

us-gaap:OtherOperatingActivitiesCashFlowStatement

us-gaap:OtherOperatingIncomeExpenseNet

us-gaap:ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsToAcquireMarketableSecurities

us-gaap:PaymentsToAcquireOtherProductiveAssets

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt

us-gaap:ProceedsFromSaleOfProductiveAssets

us-gaap:ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent
us-gaap:StatementEquityComponents
us-gaap:ProductOrService, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:RelatedPartiesAmountInCostOfSales

us-gaap:RepaymentsOfDebtAndCapitalLeaseObligations
us-gaap:RestructuringPlan, us-gaap:StatementBusinessSegments
us-gaap:RestructuringCharges
us-gaap:StatementBusinessSegments

us-gaap:RestructuringReserveAcceleratedDepreciation
us-gaap:RestructuringPlan
us-gaap:RestructuringSettlementAndImpairmentProvisions
us-gaap:ProductOrService, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:RevenueFromRelatedParties
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensationGross
dei:LegalEntity
us-gaap:VariableInterestEntityOwnershipPercentage
us-gaap:RelatedPartyTransactionsByRelatedParty

pkg:AccrualForFranchisePropertySalesAndUseTaxesCurrent

pkg:AccruedMedicalInsuranceAndWorkersCompensationCurrent

pkg:AllowanceForDoubtfulAccountsReceivableAndReserveForCustomerDeductionsCurrent

pkg:CapitalCommitments
us-gaap:IncomeTaxAuthority
pkg:CapitalLossCarryforwards
us-gaap:IncomeTaxAuthority, us-gaap:TaxPeriod
us-gaap:BalanceSheetLocation
pkg:CapitalizedPaymentsUnderTimberCuttingRightsLeases

pkg:CloudComputingArrangements

pkg:DeferredTaxAssetsLeaseObligations

pkg:DeferredTaxLiabilitiesRightOfUseAssets
us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:FairValueByFairValueHierarchyLevel
pkg:InvestmentCommitment

pkg:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFiveAndThereafter

pkg:OperatingLossCarryforwardsCapitalLossCarryforwardsAndTaxCreditCarryforwards
us-gaap:TaxPeriod

pkg:PercentageOfHourlyEmployeesRepresentedByUnions
us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:FairValueByFairValueHierarchyLevel
pkg:UnfundedPortionOfInvestmentCommitment

us-gaap:AccrualForEnvironmentalLossContingencies
us-gaap:BalanceSheetLocation
us-gaap:EnvironmentalRemediationContingency

us-gaap:AccruedEmployeeBenefitsCurrent

us-gaap:AccruedEnvironmentalLossContingenciesCurrent

us-gaap:AccruedMarketingCostsCurrent

us-gaap:AllowanceForDoubtfulAccountsReceivable

us-gaap:AssetRetirementObligation

us-gaap:AvailableForSaleSecuritiesDebtSecuritiesCurrent
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:InvestmentType

us-gaap:AvailableForSaleSecuritiesDebtSecuritiesNoncurrent
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:InvestmentType
us-gaap:BalanceSheetLocation
us-gaap:CapitalizedComputerSoftwareNet

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations

us-gaap:CashEquivalentsAtCarryingValue
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentUnamortizedDiscount
us-gaap:LongtermDebtType
us-gaap:DebtInstrumentUnusedBorrowingCapacityAmount

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPosition
us-gaap:FinancialInstrument
us-gaap:InvestmentType

us-gaap:DebtWeightedAverageInterestRate
us-gaap:DebtInstrument

us-gaap:DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible

us-gaap:DeferredCompensationArrangementWithIndividualRecordedLiability

us-gaap:DeferredFinanceCostsNet

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredTaxAssetsDerivativeInstruments

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsInventory

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsGeneralBusiness

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssets

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAmountsRecognizedInBalanceSheet
us-gaap: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:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanFundedStatusOfPlan

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation
us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanPlanAssetsInvestmentWithinPlanAssetCategoryAmount
us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanByPlanAssetCategories
us-gaap:DefinedBenefitPlanWeightedAverageAssetAllocations

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
us-gaap:AwardType

us-gaap:EmployeeStockOwnershipPlanESOPSharesInESOP

us-gaap:FinanceLeaseLiability
us-gaap:PropertyPlantAndEquipmentByType

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: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:IncomeTaxesReceivable

us-gaap:InterestPayableCurrent

us-gaap:InventoryRawMaterials

us-gaap:InventoryWorkInProcess

us-gaap:InvestmentOwnedAtCost
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:InvestmentType
us-gaap:InvestmentType

us-gaap:InvestmentOwnedAtFairValue
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:InvestmentType
us-gaap:InvestmentType

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths
us-gaap:CreditFacility, us-gaap:LongtermDebtType
us-gaap:LettersOfCreditOutstandingAmount
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:LongTermDebtFairValue

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:LongtermDebtPercentageBearingFixedInterestAmount

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent
us-gaap:IncomeTaxAuthority
us-gaap:OperatingLossCarryforwards
us-gaap:IncomeTaxAuthority, us-gaap:TaxPeriod

us-gaap:OtherInventorySupplies
us-gaap:RetirementPlanType
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant

us-gaap:SupplementalUnemploymentBenefitsSeveranceBenefits
us-gaap:IncomeTaxAuthority, us-gaap:TaxPeriod
us-gaap:TaxCreditCarryforwardAmount

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate

us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary

us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary

us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary

us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary

us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount

us-gaap:UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears

us-gaap:UnrecordedUnconditionalPurchaseObligationDueInNextRollingTwelveMonths

Plots across concepts


IncomeStatement
Net Income Loss
Expenses
Allocated Share Based Compensation Expense
Balance Sheet
Operating Lease Right Of Use Asset
Assets
Operating Lease Right Of Use Asset
Current Assets
Prepaid Expense And Other Assets Current
NonCurrent Assets
Other Assets Noncurrent
PropertyPlantAndEquipmentNet
Property Plant And Equipment Net
Liabilities
Operating Lease Liability
Current Liabilities
Accrued Income Taxes Current
Noncurrent Liabilities
Other Liabilities Noncurrent
Stockholders Equity
Accumulated Other Comprehensive Income Loss Net Of Tax
Per Share
Common Stock Dividends Per Share Declared
CashFlow
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInOperatingActivities
Share Based Compensation
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
Shares
Weighted Average Number Of Shares Outstanding Basic
OperatingLeaseLiability
Operating Lease Liability Current
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Undiscounted Excess Amount
FiniteLivedIntangibleAssets
Finite Lived Intangible Assets Accumulated Amortization
InventoryNet
Inventory Finished Goods

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:CommonStockValue ▇▇▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▇▇▇▇▇▆▆▆▆▆▆▆▆▆▆▆▆▆███1.01.00.90.90.90.90.90.90.90.90.90.90.90.90.90.90.90.90.90.90.90.91.01.01.01.01.00.9840.9840.9830.9820.9810.9830.9810.9810.9810.9810.980.9830.9961.0161.021.023NANANA
 us-gaap:SharesOutstanding us-gaap:StatementEquityComponents us-gaap:CommonStock██▆▆▆▆▄▄▄▃▃▃▃▁▁94.97994.99494.8394.83194.83594.84894.65594.6694.66694.49494.49794.49794.594.34894.35NANANA94.213NANANA96.129NANANA98.368NANANA98.172NANANA98.142782NANANA98.324974NANANA102.308231NANANA
us-gaap:CommonStockSharesIssued ▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▃▄▄▅▅▅▅▅▄▄▅▄▄▄▄▄▅▆▇██95.095.094.894.894.894.894.794.794.794.594.594.594.594.394.394.494.494.294.294.294.294.296.197.197.998.26298.36898.38398.38998.30898.17298.07390198.29635498.09342598.14278298.07565298.09295998.02792298.32497499.587464101.561038101.979137102.308231NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding ▄▄94.694.6NA94.594.494.3NA94.394.094.0NA94.093.893.8NA93.893.693.6NA93.693.394.2NA96.696.997.2NA97.22296.91496.823NA97.59797.49497.416NA97.34997.41197.729NA100.03101.128101.909NA102.687102.886102.876
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic ▄▄94.294.2NA94.294.093.9NA93.993.893.7NA93.793.693.6NA93.693.493.4NA93.493.294.1NA96.596.897.1NA97.16596.90696.787NA96.75896.43296.415NA96.3696.26696.598NA99.02100.094100.741NA101.776102.035101.928
us-gaap:EarningsPerShareBasic ▆▅▄▄▂▄▄▆▆▆▆▆▆▄█▄▅▄▄▄▄▃▃▄▄▃▃▃▃▃▇▃▂▂▂▂▂▁▂▂▂▁▂▃▁▁2.181.751.31.470.61.51.441.92.051.982.172.191.981.482.851.471.521.251.171.271.231.091.071.311.160.921.01.061.010.922.350.870.670.630.630.410.470.180.410.420.390.370.540.920.370.19
us-gaap:EarningsPerShareDiluted ▆▅▄▄▂▄▄▆▆▆▆▆▆▄█▄▅▄▄▄▄▃▃▄▄▃▃▃▃▃▇▃▂▂▂▂▂▁▂▂▂▂▂▃▂▁2.171.751.31.460.591.491.431.892.041.972.162.181.971.482.841.471.521.241.171.261.231.091.071.311.160.921.01.061.010.922.330.860.660.620.630.410.460.180.40.420.390.370.540.910.370.19
  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:StatementBusinessSegments pkg:Packaging█▇▅▅▃▄▄▅▅▄▅▅▅▃▃▂▂▁1718.51623.61541.01501.11409.91467.51460.11489.91504.61477.61504.31535.11496.21402.91397.31346.61311.51257.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:StatementBusinessSegments pkg:Paper▂▃▂▃▁▄▅▅▅▅▅▆▆▆▆▆▆▆▆▇▆▇▇▇▇▇▇█▇█142.3164.6156.09999999999994178.1123.3217.4244.0242.8237.8239.7227.5254.3250.8269.4267.5271.4253.7259.2253.8292.8266.8280.5272.8291.9281.1297.3284.4312.5295.2309.3NANANANANANANANANANANANANANANANA
  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 _ _█▆▅▅▃▅▆▇▇▇██▇▅▇▆▆▅▅▅▅▄▄▆▅▄▄▅▄▄▃▃▂▂▂▂▂▄▁▁▁▁▂294.6238.3189.3209.5116.1209.1235.1262.8280.4275.4286.7298.5269.6212.9252.0242.3233.8203.1192.9206.4200.2180.8175.9219.4197.6157.1173.2188.378180.248160.908121.131141.96107.27103.24698.41992.07283.858169.1167.80771.1867.85965.90396.362NANANA
  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 ▆█▅▅▆▇▅▅█▆▅▆▅▅▅▅▅▅▅▅▅▅▅▅▅▄▄▄▄▄▅▄▄▄▄▄▄▄▁▁▁▃▂▂▁8.411.66.26.07.710.15.95.911.76.96.16.65.65.15.25.25.64.64.74.84.75.64.54.64.94.23.9524.0474.0133.5884.8053.1823.1373.6373.212.7463.1372.594-2.545-2.487-2.9541.75-1.603-1.615-2.552NA
us-gaap:ComprehensiveIncomeNetOfTax ▇▆▅▅▃▅▄▆▇▆▇▇▆▅█▅▅▄▃▄▄▄▄▅▄▄▁▄▄▄█▄▃▃▂▂▂▂▁▁▂209.7168.9130.0141.660.3144.2105.5183.2196.9190.1210.9210.7190.6144.0243.0142.0146.0120.385.3122.0121.4106.2121.3130.8121.392.45.532104.831101.4391.907248.09593.480.43563.37148.95740.85830.98426.7573.80716.97740.077NA64.81783.20130.256NA
us-gaap:CostOfGoodsAndServicesSold █▇▆▅▁▅▅▅▅▄▄▆▅▅▄▂1431.11403.51380.91348.31215.81343.71336.71339.31332.01312.31321.11366.71346.91334.51312.91243.1NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:GrossProfit █▇▆▆▆▆▇▇█▇██▇▆▇▇▆▆▆▆▆▅▅▆▆▅▅▆▅▅▄▄▃▃▃▂▂▂▂▂▂▂▂▃▂▁448.8403.7333.3345.4325.8365.0383.3411.4427.9421.4425.4443.2420.6356.1371.7397.3364.6338.5327.1329.5320.1298.6285.0328.3323.7277.0297.0320.333310.808301.404257.595225.814192.123182.431173.95162.552158.108145.019134.157137.747136.901133.141147.284166.452131.66586.799
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest █▆▄▅▂▅▅▇▇▇██▇▅▆▆▆▅▅▅▅▄▄▆▅▄▄▄▄▄▂▃▂▂▂▁▁▄▁▁▁▁274.7219.6165.4185.791.6190.1172.4239.3256.0249.3264.5274.1245.3186.6224.0216.9208.6179.1168.6183.0177.7159.2153.6197.7175.4137.9150.077165.267158.839140.11793.189130.1198.03893.99589.04861.48270.602159.42758.51364.45361.53859.0NANANANA
us-gaap:IncomeTaxExpenseBenefit ▆▆▅▆▅▆▅▆▆▆▆▆▆▆▃▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▁▆▅▅▅▅▅█▅▅▅▅▅▂▅▅67.453.141.846.634.948.436.259.562.462.559.967.458.746.5-44.977.865.461.757.963.761.855.549.469.961.447.151.56560.82259.28250.031-133.83645.9333.57333.38228.01721.69125.448141.58319.04822.67622.1721.58333.912-113.56521.6235.699
us-gaap:IncomeTaxesPaidNet █▁87.113.3NA21.339.04.7NA46.178.413.7NA51.011.910.3NA102.696.09.7NA75.578.15.2NA75.978.09.8NA52.756.41.7NA36.05.64.1NANANANANANANANANANANANA
us-gaap:InterestIncomeExpenseNet ▇▇▇▇▇█▁██▇█▇▇▇-24.9-23.5-24.4-24.4-25.1-19.6-60.8-21.6-22.4-24.1-21.7-23.9-23.8-25.8NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:InterestIncomeExpenseNonoperatingNet ▆▆▆▆▆▇▁▆▆▆▆▆▆▆▅▆▆▆▆▆▆▆▆▆▆▇▆▆▆▆▅████▅-24.9-23.5-24.4-24.4-25.1-19.6-60.8-21.6-22.4-24.1-21.7-23.9-23.8-25.8-28.0-25.4-25.2-24.0-24.3-23.4-22.5-21.6-22.3-21.7-22.2-19.2-23.089-23.111-21.409-20.791-27.942-11.85-9.232-9.251-9.371-30.59NANANANANANANANANANA
us-gaap:NetIncomeLoss ▆▅▄▄▂▄▄▆▆▆▆▆▆▄█▄▄▄▄▄▄▃▃▄▄▃▃▃▃▃▇▃▂▂▂▂▂▁▂▂▂▂▂▃▂▁207.3166.5123.5139.156.7141.7136.2179.8193.6186.8204.6206.7186.6140.1268.9139.1143.2117.4110.6119.3115.9103.7104.3127.8114.090.898.5104.44599.55790.086227.02584.1864.46560.61361.03139.79145.15417.84439.46541.77739.36837.41754.89193.3238.0319.194
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic ▆▅▃▄▁▄▄▅▆▅▆▆▅▄█▄▄▃▃▃▃▃▃▃▃▂▂▃▂▂▇▂▁▁205.5165.2122.7138.156.2140.5135.2178.5192.1185.4203.0205.1185.2139.0266.7138.0142.0116.4109.7118.2114.7102.6103.0126.3112.689.697.193102.99498.04388.684228.07284.68266.25262.294NANANANANANANANANANANANA
us-gaap:OperatingCostsAndExpenses ▅▇▆▅▇▅▆▆▄▅▅▅▆▅▁█▄▅▅▅▄▄▄▃▄7.920.413.88.818.210.011.211.73.86.09.010.513.38.3-14.024.80.67.09.16.25.13.93.8-3.84.2NANANANANANANANANANANANANANANANANANANANANA
us-gaap:OperatingIncomeLoss █▇▆▆▄▆▇▇█▇██▇▆▇▇▇▆▆▆▆▅▅▆▆▅▅▆▅▅▄▄▄▄▃▃▃▅▃▃▃▃▃▁▃▂294.6238.3189.3209.5116.1209.1235.1262.8280.4275.4286.7298.5269.6212.9252.0242.3233.8203.1192.9206.4200.2180.8175.9219.4197.6157.1173.2188.378180.248160.908121.131141.96107.27103.24698.41992.07283.858169.1167.80771.1867.85965.90396.362-12.34267.74633.616
us-gaap:ProfitLoss ▆▅▃▄▁▄▄▅▆▅▆▆▅▄█▄▄▃▃▃207.3166.5123.6139.156.6141.7136.2179.8193.6186.8204.6206.7186.6140.1268.9139.1143.2117.4110.7119.3NANA104.2127.8NANANANANANANANANANANANANANANANANANANANANANA
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax ██▇▇▆▇▇▇▇▇▇█▇▇▇▇▆▆▆▆▆▅▅▆▆▆▆▆▆▆▅▃▂▂▂▂▂▂▂▂▂▁▁▁▁▁1879.91807.21714.21693.71541.61708.71720.01750.71759.91733.71746.61809.91767.51690.61684.31640.11584.01536.51476.61484.01417.41401.01390.91470.81454.31425.71434.01518.91468.41431.31264.431845.4800.2755.2736.579723.473712.468671.357654.306670.824665.481629.5626.651642.764615.459550.732
us-gaap:SellingGeneralAndAdministrativeExpense ▇▇▆▆▇▇▇▇▇▇▆▆▇▇▆▆▆▆▆▅▅▅▅▅▆▅▅▆▆▅█▂▂▂▂▁▂▁▁▁▁▁▁▁▁▁146.3145.0130.3127.1136.3145.9137.0136.9143.7140.0129.7134.2137.7134.9133.7130.2130.2128.4125.1116.9114.8113.9105.4112.7121.9117.3110.493119.645122.848116.514159.59356.46954.85455.68654.43451.52952.86851.94248.88148.91448.19247.95246.3447.21944.65344.277
  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 ████▇█▇▇▇▇▇▆▆▆▆▆▆▆▆▆▅▅▅▅▅▅▅▅▅▅▅▂▂▁▁▁▂▁▁▁▁▁▁7673.67549.07433.27372.67272.07347.67235.87191.17074.46928.66569.76500.06315.66139.86197.56027.25903.25843.45777.05747.25296.15227.35284.65422.25409.95385.45348.55330.7495304.2375263.9485199.9742657.1092614.8212515.9382453.7682455.152831.4912492.3592412.4992232.7432259.1812220.9472224.274NANANA
 us-gaap:Liabilities us-gaap:ConsolidatedEntities us-gaap:VariableInterestEntityPrimaryBeneficiary▅▁▂▃██▅3.82.12.52.85.05.03.9NANANA2.7NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LiabilitiesAndStockholdersEquity ████▇█▇▇▇▇▇▆▆▆▆▆▆▆▆▆▅▅▅▅▅▅▅▅▅▅▅▂▂▁▁▁▂▁▁▁▁▁▁7673.67549.07433.27372.67272.07347.67235.87191.17074.46928.66569.76500.06315.66139.86197.56027.25903.25843.45777.05747.25296.15227.35284.65422.25409.95385.45348.55330.7495304.2375263.9485199.9742657.1092614.8212515.9382453.7682455.152831.4912492.3592412.4992232.7432259.1812220.9472224.274NANANA
us-gaap:StockholdersEquity ██▇▇▇▇▇▇▇▆▆▅▅▅▄▄▄▄▃▃▃▃▃▃▃▃▃▃▃▂▂▁▁▁▁▁▁▁▁▁▁▁▁3444.33331.23246.33205.43133.13149.93071.03034.72921.22794.62672.42530.22388.02273.82182.61994.21906.61824.71759.81729.61662.31590.81633.31615.01591.01556.31521.41552.0391482.6191417.5831313.0151099.1281051.2861001.819969.461940.096922.72921.944928.91973.5511021.2051020.4961009.001NANANA
  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 ██▇▇▇▇▇▇▆▆▅▅▅▅▅▅▅▄▄▄▄▄▄▄▄▄▄▄▄▄▃▂▂▂▂▂▃▂▁▁▁▁▁2961.12856.92750.32743.72659.02613.62478.42531.32402.72262.42115.12114.71956.61832.61915.12001.81863.41779.11696.31747.01609.91528.91554.51679.31657.41614.81578.61597.7071574.2491561.3431487.2041135.9281102.3331011.636937.033924.8331285.686865.196812.063669.911742.288772.104798.041NANANA
us-gaap:CashAndCashEquivalentsAtCarryingValue ████▇▆▆▆▅▄▃▃▂▁▂▃▃▃▂▃▂▂▂▂▂▂▂▂▂▂▂▄▃▃▂▂▅▁▂▁▂▂▂▂▂▂972.2983.4974.6949.1853.3764.0679.5738.3569.4442.4361.5293.8199.6102.4216.9370.5321.0254.0239.3279.8213.6162.3184.2186.9163.7126.4124.9154.323161.991185.706190.96396.595370.057268.037207.393140.906515.12184.017156.31340.117119.181173.014196.556172.82181.511197.601
us-gaap:AccountsReceivableNetCurrent █▇▆▇▆▇▇▇█▇▇█▇▇▆▆▆▅▅▅▅▄▄▅▅▅▅▅▅▅▅▂▂▂▂▂▂▂▁▁▁▁▁981.4908.6832.4864.6817.3879.5845.6932.3947.0930.3901.9986.2920.0860.2830.7831.3755.2733.3689.2713.2663.4631.4636.5683.5708.0676.7646.1717.947704.218696.344643.083409.725403.367391.683352.142379.675353.527348.272319.988338.516331.249308.816293.159NANANA
us-gaap:InventoryNet ██▇▇███████▇▇▇▇▇▇▇▇▆▆▆▆▆▆▆▆▅▅▅▄▁▁▂▁▁▁▁▁▁▁▁▁827.2799.6787.9777.6834.5809.9794.1806.3815.7831.7795.6780.6763.7766.4762.5736.6734.4744.5723.6690.6671.3692.5676.8695.9667.5687.6664.9616.962611.342607.306522.523266.892263.008270.181268.767260.772258.62263.283254.675244.375226.521233.916241.142NANANA
us-gaap:InventoryFinishedGoods ▆▅▆▆█▇▇▇▇▇▇▆▆▇▇▇█▇▇▆▆▆▆▇▇▇▇▆▆▆▇▁▁▁▁▁▁▁▁▁▁180.8174.1183.6191.0231.7220.2207.7215.8213.9210.5199.0180.4197.6202.2217.0214.5222.4212.8206.5188.0182.2190.6189.7206.3208.3216.6216.3195.538196.436195.097209.97278.53382.25676.22378.78877.49476.67478.72974.39177.7772.77NA73.71NANANA
us-gaap:PrepaidExpenseAndOtherAssetsCurrent █▆▄▅▆▇▄▄▆▆▃▅▅▅▃▄▅▄▂▄▆▄▂▅▆▇▆█▆▄▃▃▃▂▁▂▃▂▁78.662.844.751.260.967.944.844.959.258.039.449.056.655.035.543.452.847.330.345.160.342.728.849.858.565.761.976.19559.73740.00232.10131.47837.70424.27920.91527.02333.92926.118.298NANANA17.555NANANA
  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:PropertyPlantAndEquipmentGross ███▇▇▇▇▆▆▆▆▅▅▅▄▄▄▄▃▃▃▃▃▂▂▂▂▂▁▁▁7473.47383.17313.57204.47117.07054.96997.86905.66833.66764.06691.16588.36540.96414.36311.26197.66120.06065.06010.35952.45829.85770.55714.85684.05631.15590.85515.45464.8055381.3195293.815232.7NANANA3640.792NANANA3618.56NANANA3439.521NANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment ███▇▇▇▇▆▆▆▅▅▅▅▅▄▄▄▄▄▃▃▃▃▂▂▂▂▂▁▁4232.94170.64120.14073.54002.33916.33846.13795.23726.43654.23582.53523.23514.43452.93386.33316.03247.53177.83114.63073.73019.92952.62882.72841.52778.42726.72657.82646.6722564.072493.0682426.996NANANA2274.723NANANA2141.906NANANA2101.535NANANA
us-gaap:AmortizationOfIntangibleAssets ▅▆▆▆█▆▆▆▆▆▆▆▆▆▆▅▅▅▅▄▃▄▃▄▄▄▄▄▃▃▃▁▁▁9.39.69.59.514.39.69.79.79.79.59.810.210.110.410.48.48.68.39.16.35.55.75.65.75.75.75.75.75.65.63.90.80.80.8NANANANANANANANANANANANA
us-gaap:PropertyPlantAndEquipmentNet ███████████▇▇▇▇▇▇▇▇▇▆▆▆▇▇▇▇▆▆▆▆▁▁▁▁▁▁▂▂▁▁▁▁3240.53212.53193.43130.93114.73138.63151.73110.43107.23109.83108.63065.13026.52961.42924.92881.62872.52887.22895.72878.72809.92817.92832.12842.52852.72864.12857.62818.1332817.2492800.7422805.7041369.0531363.6811353.2021366.0691376.4571393.731477.131476.6541434.3621401.5161360.141337.986NANANA
us-gaap:Goodwill ███████████████▇▇▇▇▆▅▅▅▅▅▅▅▅▅▅▅▁▁▁▁▁▁▁▁▁▁▁▁863.5863.5863.5863.5863.5918.7918.7918.7918.7917.3917.3888.7888.7883.2883.2732.1731.1737.1737.9692.1544.0544.0544.0544.0544.0546.6546.8541.911537.363526.76526.78967.1667.1667.1667.1671.55571.55571.68258.21451.10653.60338.85438.854NANANA
us-gaap:FiniteLivedIntangibleAssetsNet ▆▆▆▆▆▇▇▇▇▇▇▇███▇▇▇▇▇▅▅▆▆▆▆▆▆▆▆▆▁▁▁▁▁▁▁▁▁▁▁▁277.0286.3295.9305.4314.9329.2338.8348.5358.2368.7378.2373.9384.1399.6410.0347.8356.2358.8367.1354.8259.5265.1270.8276.4282.1287.8293.5299.096306.002304.891310.53935.74236.58937.43638.28334.75835.59436.4925.04220.55516.93210.77110.975NANANA
us-gaap:OperatingLeaseRightOfUseAsset ▄▃▅▃▁▆▅▃█233.0231.5234.2231.7229.7235.3234.3232.3238.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAssetsNoncurrent ▃▃▃▃▃▄▄▃▃▃▃▄▄▅▅▅▇█▇▇▆▆█▇▇▆▆▇▆▆▆▃▂▂▂▂▂▂▁▃▂▁▁48.651.353.252.253.955.155.849.949.653.150.557.659.763.064.363.980.081.280.074.672.871.483.280.073.772.172.073.90269.37470.21269.73849.22645.05846.50445.22347.54744.92641.86140.52650.51544.84239.07838.418NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AccountsPayableCurrent ▇▇▇▆▅▇▆▇▇▇▇███▇▇▆▆▅▆▅▅▅▆▆▆▆▇▇▇▆▂▂▂▁▂▁▂▂▂▃▂▂405.3402.5387.0352.1315.2389.0351.9385.5382.8405.1382.2438.9431.7427.3402.9379.5349.2367.3323.8327.0308.4309.0294.2337.0339.3352.7330.5387.854394.743390.63357.432163.928164.91142.856117.51147.308134.113153.028154.855176.677189.778167.822154.13NANANA
us-gaap:AccruedIncomeTaxesCurrent ▁█0.622.6NA17.3NANANANANANANANANANANANA2.524.80.0NANA13.30.02.32.924.10.07.176NA5.9730.0NANANANANANANA10.4040.464NA7.0192.601NANANA
us-gaap:AccruedLiabilitiesCurrent █▆▇█▇▆▇▇▆▅██▆▅▇▇▆▄▇▇▅▄▆▇▆▅▇█▇▆▇▃▃▂▃▃▂▃▅▂▂▁▃231.4184.0216.2231.6211.3178.8217.5220.1197.9160.9222.4223.4195.7157.0203.2207.8177.5147.1201.2204.9170.2144.4193.5209.0189.4164.0220.0228.758207.314180.869214.058129.569120.33591.718122.696114.75102.983122.778163.259110.7993.46877.952111.208NANANA
us-gaap:DividendsPayableCurrent ███▅▅▆▅▅▅▅▅▅▅▄▄▄▃▃▃▃▃▃▃▃▃▃▁▁▁▁▁97.497.697.076.776.577.076.676.375.976.276.175.875.560.660.560.360.160.059.959.852.152.153.453.753.954.139.439.39339.35939.35139.297NANANA0.024.57824.4824.63119.6819.9920.25820.47715.351NANANA
us-gaap:LiabilitiesCurrent ██▇▇▆▇▇▇▇▇▆▇▇▆██▇▇▅▆▅▄▅▆▅▅▅▆▆▆▆▂▂▁▁▂▆▂▂▃▃▃▃816.8805.8782.6775.4683.6744.6723.8770.7729.6740.7693.6766.5715.8673.6832.7824.3760.2776.0625.4637.5551.5545.3561.9628.4606.2621.3611.0690.035657.913643.433660.539353.902344.15286.38259.846307.257689.948320.746376.5421.98425.735387.311405.558NANANA
us-gaap:OperatingLeaseLiabilityCurrent ███▇▆▄▃▁▁68.869.368.968.067.164.362.660.459.9NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAccruedLiabilitiesCurrent ▆▅▆▇██▇▄▆▄▆█▇▇▁▃▁▁▂▃▃▃▄▆▄▇██▅▃▇12.311.511.914.014.715.214.410.112.19.712.414.514.313.15.37.55.05.37.08.37.28.69.511.68.713.214.614.77610.8648.42913.362NANANA10.3NANANA7.629NANANA7.388NANANA
  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:LiabilitiesNoncurrent ██████████▇▇▇▇▇▇▇▇██▇▇▇▇▇▇▇▇▇▇▇▂▂▂▂▂▂▂▂▁▁▁▁3412.53412.03404.33391.83455.33453.13441.03385.73423.63393.33203.73203.33211.83192.43182.23208.73236.43242.73391.83379.73082.33091.23089.43178.83212.73207.83216.13088.6753163.7053202.9323226.421204.0791219.3851227.7391224.4611207.7971218.8231249.6691107.089837.212812.241813.14809.715NANANA
us-gaap:LongTermDebt 2494.0NA2493.7NANANA2493.1NANANA2496.32496.22496.02495.82645.7NANANA2658.2NANANA2309.2NANANA2355.42356.984NANA2547.845782.4786.2789.9793.63797.371200.767804.8808.448NANANA658.099NANANA
us-gaap:LongTermDebtNoncurrent █████▇▇████████▇▇▇██▇▇▇▇▇▇▇▇▇▇█▂▂▂▂▂▂▂▂▁▁▁▁2479.82480.02479.42478.72478.02477.42476.82486.32485.42484.62483.72482.92482.12481.22480.42456.32457.32458.42620.02625.82288.12289.32302.72319.32345.82347.42348.92350.4842425.4412475.3932508.845767.411771.151774.89778.63782.37786.11789.785793.448549.361549.273549.186549.099NANANA
us-gaap:DeferredIncomeTaxLiabilitiesNet █▇▅▂▁395.7392.6379.4363.7361.1NA340.1NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent ▆▆▆▆███▇███████▇▇▇█▆███████▄▄▄▃▂▃▃▃▂▂▂▂▁▁▁▁294.3295.8298.3300.7369.5372.3375.5320.3364.9363.5357.5360.2374.9373.0372.5322.8356.3355.2357.2312.2357.4363.0358.6376.9372.0367.8361.7204.286200.9199.15193.548132.486163.969171.163164.538134.049151.819153.428148.68694.957101.988100.90497.914NANANA
us-gaap:OtherLiabilitiesNoncurrent ▅▅▅▅▅▄▄▅▅▅▅▅▅▅▆▆▅▅▅▅▅▅▅▅▆▆▇███▆▂▁▁▁▁▁▁▁▆▁▁▁56.959.659.261.760.056.355.057.858.356.959.763.063.762.970.868.260.459.859.660.161.960.459.558.070.070.272.884.76483.08480.8165.31833.66129.95131.229.22928.81528.39327.94229.86669.54528.46230.16329.629NANANA
us-gaap:OperatingLeaseLiabilityNoncurrent ▂▁▃▂▂▅▅▅█172.3170.0173.6172.2171.5177.2177.6177.3183.4NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo NANA58.9NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree NANA42.3NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour NANA30.3NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA21.1NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NANA40.4NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  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 ██▇▇▇▇▇▇▇▆▆▅▅▅▄▄▄▄▃▃▃▃▃▃▃▃▃▃▃▂▂▁▁▁▁▁▁▁▁▁▁▁▁3444.33331.23246.33205.43133.13149.93071.03034.72921.22794.62672.42530.22388.02273.82182.61994.21906.61824.71759.81729.61662.31590.81633.31615.01591.01556.31521.41552.0391482.6191417.5831313.0151099.1281051.2861001.819969.461940.096922.72921.944928.91973.5511021.2051020.4961009.001NANANA
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest █▇▇▇▆▆▆▆▅▄▄▃▂▂▁3444.33331.23246.33205.43133.13149.93071.03034.72921.22794.62672.42530.22388.02273.82182.6NANANA1759.81730.0NANA1633.3NANANA1521.4NANANA1356.8NANANANANANANANANANANANANANANA
us-gaap:CommonStockValue ▇▇▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▇▇▇▇▇▆▆▆▆▆▆▆▆▆▆▆▆▆███1.01.00.90.90.90.90.90.90.90.90.90.90.90.90.90.90.90.90.90.90.90.91.01.01.01.01.00.9840.9840.9830.9820.9810.9830.9810.9810.9810.9810.980.9830.9961.0161.021.023NANANA
us-gaap:AdditionalPaidInCapitalCommonStock ██▇▇▇▇▇▆▆▆▆▆▅▅▅▅▅▅▄▄▄▄▄▄▄▄▄▄▄▃▃▃▃▂▂▂▂▂▂▂▁▂▂574.5566.0554.4548.7542.7534.9524.8518.9513.3501.4494.5488.9482.1476.3471.2466.1460.9456.0451.4446.0441.1432.8439.9438.1441.9436.0432.1427.844423.598412.142401.761396.557392.178382.395378.794370.905363.174361.136351.804356.664331.301350.446362.248NANANA
us-gaap:RetainedEarningsAccumulatedDeficit ██▇▇▇▇▇▇▇▆▆▆▅▅▅▄▄▄▃▃▃▃▃▃▃▃▃▃▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁3008.52906.32835.52806.72742.92771.12704.82643.72539.22427.82315.82185.52054.01949.61867.41658.21578.81504.51447.11396.91337.21286.51317.31317.91293.11271.61242.21184.1551119.3671067.661975.296787.684753.439729.727703.728670.178661.6648.693673.96678.011726.208707.059690.111NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▂▂▂▁▁▁▁▃▃▂▂▂▂▁▁▃▂▂▂▄▃▃▃▂▂▁▁▇▇▇▆▅▅▄▄▄▄▅▅▇███-139.7-142.1-144.5-150.9-153.4-157.0-159.5-128.8-132.2-135.5-138.8-145.1-149.0-153.0-156.9-131.0-134.0-136.7-139.6-114.2-116.9-122.4-124.9-142.0-145.0-152.3-153.9-60.944-61.33-63.203-65.024-86.094-95.314-111.284-114.042-101.968-103.035-88.865-97.778-62.12-37.32-38.029-44.381NANANA
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue ▅▇▂▂▄▆▂▁█▃▂▃▂▁9.211.76.16.08.610.15.95.612.56.95.76.76.05.1NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  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 ▆▅▆▇▅▆██▇▆█▇█▅▆▅▅▄▅▅▅▅▅▆▅▃▄▅▅▄▅▄▅▃▄▃▃▁▃▂▃▂▄▃▃▁228.2191.6271.1298.2226.8236.7329.2339.8302.4236.0345.6301.0331.0202.5272.8197.7221.5164.1213.0217.1180.1191.0220.6237.5196.2108.3179.38222.577184.844149.299188.033137.131187.2795.767152.394101.766115.134.945108.69771.634101.23363.95138.879102.45794.0814.504
us-gaap:NetCashProvidedByUsedInInvestingActivities ▇▇▇▇█▇▆▇▇▇▇▇▇▇▆▇▇█▇▅▇█▇▇██▇▇▇█▁██████▇▇▇▇█▇▇▇█-132.7-87.5-170.2-127.1-51.8-77.0-278.3-95.5-92.7-80.1-202.9-131.8-166.3-107.2-381.5-86.7-83.1-57.8-186.9-455.0-72.2-55.5-95.3-78.9-66.3-57.6-167.516-112.273-117.709-53.602-1278.889-49.666-53.893-28.96-33.964-24.64922.842-71.739-89.018-82.944-111.716-66.487-89.622-74.725-92.705-64.262
us-gaap:NetCashProvidedByUsedInFinancingActivities ▃▃▃▃▃▃▃▃▃▃▃▃▃▂▃▃▃▃▃▅▃▃▃▃▃▃▃▃▃▃█▃▃▃▃▁▅▃▄▃▃▃▃▃▃▃-106.7-95.3-75.4-75.3-85.7-75.2-109.7-75.4-82.7-75.0-75.0-75.0-67.5-209.8-44.9-61.5-71.4-91.6-66.6304.1-56.6-157.4-128.0-135.4-92.6-49.2-41.327-117.972-90.85-100.951885.221-60.927-31.357-6.163-51.943-451.332293.162-35.50296.517-67.754-43.35-21.005-25.521-36.423-17.465-13.368
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▂▃▄▆▆▅▁█▇▅▅-11.28.825.595.889.384.5-58.8168.9127.080.967.7NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AmortizationOfFinancingCosts ▁▁▁▁▁▁▃▂▂▂▂▂▂▂▃▁▁▁▁▁▁▁▁▁▁▁▁▃▁▁█▄▁▁▁▁▁▁▁▁▁▁▁▁▁▁0.50.50.50.50.50.52.40.70.70.70.70.70.70.72.50.50.50.50.50.50.50.40.50.50.40.40.42.00.50.56.9682.90.20.2050.2040.5160.20.1960.3510.1110.1120.1380.1520.1520.1530.191
us-gaap:DeferredIncomeTaxExpenseBenefit ▅▅▅▅▅▅▅▅▅▅▅▅▅▅▃▅▄▅▄▅▅▅▅▅▅▅▄▅▅▅▁▅▄▅█▅▅▅▅▅▅▅▅▂▄▅2.312.013.61.95.713.522.011.48.118.83.84.814.215.9-86.1-2.3-8.312.2-10.55.2-6.88.10.5-5.8-0.47.4-14.827-2.1563.93815.645-167.15412.603-8.122-0.877151.75714.53912.4014.50535.099-6.149-7.2835.6824.636-141.576-10.1646.525
us-gaap:IncreaseDecreaseInAccountsPayable ▆▄█▇▁▇▃▅▄▆▃▆▆▅▅▆▅▇▅▆▅▅▄▅▅▄▄▅▄▅▆▅▇▇▃▆▄▅▄▄▆▆▄▅▆▇9.6-12.345.931.6-66.328.5-30.1-0.5-15.013.2-37.28.612.0-1.03.318.9-6.825.63.017.6-4.30.3-23.2-3.73.2-13.6-23.043-6.699-10.5134.2557.804-0.98223.86323.537-29.79813.195-18.915-4.93-23.168-13.92720.8515.551-14.3460.6917.56531.457
us-gaap:IncreaseDecreaseInAccountsReceivable ██▄▇▂▆▁▄▆▆▁█▇▆▄█▆▇▄▅▆▅▃▄▆▆▂▆▅▇▄▅▅▆▄▆▅▆▄▅▆▅▃▆▆▆72.876.2-32.247.3-62.334.0-86.7-14.616.528.4-92.866.259.822.9-27.176.122.044.1-32.49.132.0-5.1-47.0-24.430.531.4-66.4727.334.21143.429-26.3926.35811.68439.541-27.53326.1485.25521.125-22.4285.01318.70415.657-41.83926.33532.93832.822
us-gaap:IncreaseDecreaseInInventories ▇▅▅▁▆▆▄▄▄▇▆▆▅▅▅▅▄▆▇▅▃▆▃▇▃▆█▅▅▆▃▅▄▅▅▅▄▅▅▆▄▄▆▆▄▅27.711.710.2-56.924.715.7-12.2-9.3-16.036.113.016.9-2.78.48.02.2-10.120.929.81.4-21.215.7-19.128.4-19.622.249.889.2430.24213.035-31.4293.884-7.1731.4147.9952.152-4.6636.7286.98716.881-8.309-7.22615.01718.864-7.7642.235
us-gaap:NetCashProvidedByUsedInOperatingActivities ▆▅▆▇▅▆██▇▆█▇█▅▆▅▅▄▅▅▅▅▅▆▅▃▄▅▅▄▅▄▅▃▄▃▃▁▃▂▃▂▄▃▃▁228.2191.6271.1298.2226.8236.7329.2339.8302.4236.0345.6301.0331.0202.5272.8197.7221.5164.1213.0217.1180.1191.0220.6237.5196.2108.3179.38222.577184.844149.299188.033137.131187.2795.767152.394101.766115.134.945108.69771.634101.23363.95138.879102.45794.0814.504
us-gaap:NetIncomeLoss ▆▅▄▄▂▄▄▆▆▆▆▆▆▄█▄▄▄▄▄▄▃▃▄▄▃▃▃▃▃▇▃▂▂▂▂▂▁▂▂▂▂▂▃▂▁207.3166.5123.5139.156.7141.7136.2179.8193.6186.8204.6206.7186.6140.1268.9139.1143.2117.4110.6119.3115.9103.7104.3127.8114.090.898.5104.44599.55790.086227.02584.1864.46560.61361.03139.79145.15417.84439.46541.77739.36837.41754.89193.3238.0319.194
us-gaap:ProfitLoss ▆▅▃▄▁▄▄▅▆▅▆▆▅▄█▄▄▃▃▃207.3166.5123.6139.156.6141.7136.2179.8193.6186.8204.6206.7186.6140.1268.9139.1143.2117.4110.7119.3NANA104.2127.8NANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ShareBasedCompensation ▆█▄▄▅▇▄▄█▅▄▅▄▄▄▄▄▃▃▃▃▄▃▃▃▃▃▃▃▃▃▂▂▃▂▂▂▂▂▂▂▁▁▁▂▁8.511.66.26.07.710.15.95.911.76.96.16.75.65.15.25.25.64.64.74.74.75.64.54.64.94.23.9524.0474.0133.5884.8053.1823.1373.6373.212.7463.1372.5942.5452.4872.9541.751.6031.6152.5521.236
  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 ▇▇▇▇█▇▆▇▇▇▇▇▇▇▆▇▇█▇▅▇█▇▇██▇▇▇█▁██████▇▇▇▇█▇▇▇█-132.7-87.5-170.2-127.1-51.8-77.0-278.3-95.5-92.7-80.1-202.9-131.8-166.3-107.2-381.5-86.7-83.1-57.8-186.9-455.0-72.2-55.5-95.3-78.9-66.3-57.6-167.516-112.273-117.709-53.602-1278.889-49.666-53.893-28.96-33.964-24.64922.842-71.739-89.018-82.944-111.716-66.487-89.622-74.725-92.705-64.262
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▆▄█▅▄▃▆▄▄▄▇▆█▅▆▄▄▃▄▃▃▂▅▃▄▂█▅▅▂▅▂▂▁▁▁▁▁▃▃▄▃▄▃▄▃131.485.1167.7102.380.770.5135.792.992.178.8147.1130.4165.9108.0116.886.881.657.886.266.368.952.996.676.086.355.6165.335106.68297.2550.933104.01249.51953.61527.27634.12825.07434.50934.81365.25569.80880.41964.73189.27475.57792.21263.137
  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 ▃▃▃▃▃▃▃▃▃▃▃▃▃▂▃▃▃▃▃▅▃▃▃▃▃▃▃▃▃▃█▃▃▃▃▁▅▃▄▃▃▃▃▃▃▃-106.7-95.3-75.4-75.3-85.7-75.2-109.7-75.4-82.7-75.0-75.0-75.0-67.5-209.8-44.9-61.5-71.4-91.6-66.6304.1-56.6-157.4-128.0-135.4-92.6-49.2-41.327-117.972-90.85-100.951885.221-60.927-31.357-6.163-51.943-451.332293.162-35.50296.517-67.754-43.35-21.005-25.521-36.423-17.465-13.368
us-gaap:PaymentsOfDividendsCommonStock ██▇▇▇▇▇▆▆▇▇▆▅▅▅▅▅▅▅▅▅▅▅▅▅▄▄▄▄▄▄▄▃▁▅▃▃▂▂▂▃▂▂▂▂▂95.094.875.074.974.974.874.874.674.674.774.774.559.559.459.459.459.459.459.451.851.853.153.553.854.139.439.39639.35939.439.29739.26239.22530.6580.049.07524.4824.63119.66519.95920.25820.44415.35115.43215.45515.4615.451
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1000000.01000000.0900000.0900000.0900000.0900000.0900000.0900000.0900000.0900000.0900000.0900000.0900000.0900000.0900000.0900000.0900000.0900000.0900000.0900000.0900000.0900000.01000000.01000000.01000000.01000000.01000000.0984000.0984000.0983000.0982000.0981000.0983000.0981000.0981000.0981000.0981000.0980000.0983000.0996000.01016000.01020000.01023000.01030000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Shares Outstanding

us-gaap:SharesOutstanding us-gaap:StatementEquityComponents

us-gaap:SharesOutstanding

us-gaap:CommonStock


Shares
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value949494949494949494949494949494949698989898102103102
Percentage of SharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesIssued


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value95959494949494949494949494949494949494949494969797989898989898989898989898989899101101102103
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value9494949494949494949393939393939394969697979696979797979797100101101102102102
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value949494949393939393939393939393939496969797969696969696969699100100101102101
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2.181.751.31.470.61.51.441.92.051.982.172.191.981.482.851.471.521.251.171.271.231.091.071.311.160.921.01.061.010.922.350.870.670.630.630.410.470.180.410.420.390.370.540.920.370.19
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2.171.751.31.460.591.491.431.892.041.972.162.181.971.482.841.471.521.241.171.261.231.091.071.311.160.921.01.061.010.922.330.860.660.620.630.410.460.180.40.420.390.370.540.910.370.19
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Allocated Share Based Compensation Expense

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:AllocatedShareBasedCompensationExpense


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value8.4116.26.07.7105.95.9116.96.16.65.65.15.25.25.64.64.74.84.75.64.54.64.94.23.9524.0474.0133.5884.8053.1823.1373.6373.212.7463.1372.594-2.545-2.487-2.9541.75-1.603-1.615-2.552
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.60.40.40.50.60.30.30.70.40.30.40.30.30.30.30.40.30.30.30.30.40.30.30.30.30.30.30.30.30.40.40.40.50.40.40.40.4-0.4-0.4-0.40.3-0.3-0.3-0.4

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:AwardType

pkg:PerformanceUnits


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value2.53.02.92.82.12.12.42.40.92.01.41.70.61.21.51.41.51.21.11.30.80.71.00.90.50.60.5940.2860.2670.2580.2490.0160.0
Percentage of AllocatedShareBasedCompensationExpense29.825.946.846.727.320.840.740.77.729.023.025.810.723.528.826.926.826.123.427.117.012.522.219.610.214.314.77.17.45.47.80.50.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.20.20.20.10.10.10.10.10.10.10.10.00.10.10.10.10.10.10.10.10.00.10.10.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax pkg:PerformanceUnits0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RestrictedStock


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value5.98.63.33.25.68.03.53.5104.94.74.95.03.93.73.84.13.43.63.53.94.93.53.74.43.63.2993.4533.7273.3214.5472.9333.1213.637
Percentage of AllocatedShareBasedCompensationExpense70.274.153.253.372.779.259.359.392.371.077.074.289.376.571.273.173.273.976.672.983.087.577.880.489.885.783.585.392.992.694.692.299.5100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.50.20.20.40.50.20.20.60.30.30.30.30.20.20.20.30.20.20.20.30.30.30.30.30.30.20.20.30.20.40.30.40.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RestrictedStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312010-09-302010-06-30
Value2091681301416014410518319619021021019014424314214612085122121106121130121925.53210410191248938063484030263.8071640648330
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.29.37.68.43.98.46.110.511.211.012.111.610.88.514.48.79.27.85.88.28.67.68.78.98.36.50.46.96.96.419.611.010.18.46.65.64.34.00.62.56.010.312.94.9

us-gaap:ComprehensiveIncomeNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


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
Value2.42.46.42.53.62.5-30.73.43.33.36.34.04.03.9
Percentage of ComprehensiveIncomeNetOfTax1.11.44.91.86.01.7-29.11.91.71.73.01.92.12.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.40.10.20.1-1.80.20.20.20.40.20.20.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


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
Value20716612313956141136179193186204206186140
Percentage of ComprehensiveIncomeNetOfTax98.998.695.198.294.098.3129.198.198.398.397.098.197.997.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.09.27.28.23.78.37.910.311.010.811.711.410.68.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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
Value1431140313801348121513431336133913321312132113661346133413121243
Percentage of CostOfGoodsAndServicesSold100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax76.177.780.679.678.978.677.776.575.775.775.675.576.278.977.975.8

Gross Profit

us-gaap:GrossProfit

us-gaap:GrossProfit


Gross
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value44840333334532536538341142742142544342035637139736433832732932029828532832327729732031030125722519218217316215814513413713613314716613186
Percentage of GrossProfit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax23.922.319.420.421.121.422.323.524.324.324.424.523.821.122.124.223.022.022.222.222.621.320.522.322.319.420.721.121.221.120.426.724.024.223.622.522.221.620.520.520.621.223.525.921.415.8

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value2742191651859119017223925624926427424518622421620817916818317715915319717513715016515814093130989389617015958646159
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.612.29.611.05.911.110.013.714.514.415.115.113.911.013.313.213.211.711.412.312.511.411.013.412.19.710.510.910.89.87.415.412.312.412.18.59.923.78.99.69.29.4

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

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-3.3-3.3-3.5-3.6-3.6-3.6-3.2-3.2-3.1-3.1-3.9-4.0-4.0-4.0-3.2-3.1-3.3-3.4-2.8-2.8-2.6-2.6-3.7-3.5-3.6-3.6-1.706-1.765-1.766-1.763-2.406-5.54-10.866-3.09
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest-1.2-1.5-2.1-1.9-3.9-1.9-1.9-1.3-1.2-1.2-1.5-1.5-1.6-2.1-1.4-1.4-1.6-1.9-1.7-1.5-1.5-1.6-2.4-1.8-2.1-2.6-1.1-1.1-1.1-1.3-2.6-4.3-11.1-3.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.3-0.2-0.2-0.3-0.1-0.1-0.1-0.1-0.2-0.7-1.4-0.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value6753414634483659626259675846-44.9776561576361554969614751605950-133.8364533332821251411922222133-113.565215.699
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.62.92.42.82.32.82.13.43.53.63.43.73.32.8-2.74.74.14.03.94.34.44.03.64.84.23.33.64.04.03.5-10.65.44.24.43.83.03.621.12.93.43.33.45.4-17.73.51.0

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

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-0.8-0.8-0.9-0.9-0.9-0.9-0.8-0.8-0.8-0.8-1.0-1.0-1.0-1.0-1.2-1.2-1.2-1.2-1.1-1.0-1.0-1.0-1.4-1.4-1.4-1.4-0.643-0.685-0.688-0.784-0.918-2.153-4.221-1.201
Percentage of IncomeTaxExpenseBenefit-1.2-1.5-2.2-1.9-2.6-1.9-2.2-1.3-1.3-1.3-1.7-1.5-1.7-2.22.7-1.5-1.8-1.9-1.9-1.6-1.6-1.8-2.8-2.0-2.3-3.0-1.2-1.1-1.2-1.60.7-4.7-12.6-3.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.0-0.0-0.1-0.1-0.1-0.1-0.0-0.0-0.0-0.0-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.0-0.0-0.0-0.1-0.1-0.3-0.5-0.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Income Taxes Paid Net

us-gaap:IncomeTaxesPaidNet

us-gaap:IncomeTaxesPaidNet


Income
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-31
Value871321394.7467813511110102969.775785.275789.852561.7365.64.1
Percentage of IncomeTaxesPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.60.71.32.50.32.64.50.82.80.70.66.36.10.65.15.50.45.25.40.73.53.80.14.30.70.5

Interest Income Expense Net

us-gaap:InterestIncomeExpenseNet

us-gaap:InterestIncomeExpenseNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-24900000.0-23500000.0-24400000.0-24400000.0-25100000.0-19600000.0-60800000.0-21600000.0-22400000.0-24100000.0-21700000.0-23900000.0-23800000.0-25800000.0
Percentage of InterestIncomeExpenseNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.3-1.3-1.4-1.4-1.6-1.1-3.5-1.2-1.3-1.4-1.2-1.3-1.3-1.5

Interest Income Expense Nonoperating Net

us-gaap:InterestIncomeExpenseNonoperatingNet

us-gaap:InterestIncomeExpenseNonoperatingNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value-24900000.0-23500000.0-24400000.0-24400000.0-25100000.0-19600000.0-60800000.0-21600000.0-22400000.0-24100000.0-21700000.0-23900000.0-23800000.0-25800000.0-28000000.0-25400000.0-25200000.0-24000000.0-24300000.0-23400000.0-22500000.0-21600000.0-22300000.0-21700000.0-22200000.0-19200000.0-23089000.0-23111000.0-21409000.0-20791000.0-27942000.0-11850000.0-9232000.0-9251000.0-9371000.0-30590000.0
Percentage of InterestIncomeExpenseNonoperatingNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.3-1.3-1.4-1.4-1.6-1.1-3.5-1.2-1.3-1.4-1.2-1.3-1.3-1.5-1.7-1.5-1.6-1.6-1.6-1.6-1.6-1.5-1.6-1.5-1.5-1.3-1.6-1.5-1.5-1.5-2.2-1.4-1.2-1.2-1.3-4.2

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
Value2071661231395614113617919318620420618614026813914311711011911510310412711490981049990227846460613945173941393754933819
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 RevenueFromContractWithCustomerExcludingAssessedTax11.09.27.28.23.78.37.910.311.010.811.711.410.68.316.08.59.07.67.58.08.27.47.58.77.86.46.96.96.86.318.010.08.18.08.35.56.32.76.06.25.95.98.814.56.23.5

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

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-2.5-2.5-2.6-2.7-2.7-2.7-2.4-2.4-2.3-2.3-2.9-3.0-3.0-3.0-2.0-1.9-2.1-2.2-1.7-1.8-1.6-1.6-2.3-2.1-2.2-2.2-1.063-1.08-1.078-0.979-1.488-3.387-6.645-1.889
Percentage of NetIncomeLoss-1.2-1.5-2.1-1.9-4.8-1.9-1.8-1.3-1.2-1.2-1.4-1.5-1.6-2.1-0.7-1.4-1.5-1.9-1.5-1.5-1.4-1.5-2.2-1.6-1.9-2.4-1.1-1.0-1.1-1.1-0.7-4.0-10.3-3.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.1-0.1-0.2-0.2-0.2-0.2-0.1-0.1-0.1-0.1-0.2-0.2-0.2-0.2-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.2-0.1-0.2-0.2-0.1-0.1-0.1-0.1-0.1-0.4-0.8-0.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss Available To Common Stockholders Basic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value2051651221385614013517819218520320518513926613814211610911811410210312611289971029888228846662
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.99.17.28.23.68.27.910.210.910.711.611.310.58.215.88.49.07.67.48.08.17.37.48.67.76.36.86.86.76.218.010.08.38.2

Operating Costs And Expenses

us-gaap:OperatingCostsAndExpenses

us-gaap:OperatingCostsAndExpenses


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value7.920138.81810.011113.86.09.010138.3-14.0240.67.09.16.25.13.93.8-3.84.2
Percentage of OperatingCostsAndExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.41.10.80.51.20.60.70.70.20.30.50.60.80.5-0.81.50.00.50.60.40.40.30.3-0.30.3

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2942381892091162092352622802752862982692122522422332031922062001801752191971571731881801601211411071039892831696771676596-12.3426733
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 RevenueFromContractWithCustomerExcludingAssessedTax15.713.211.012.47.512.213.715.015.915.916.416.515.312.615.014.814.813.213.113.914.112.912.614.913.611.012.112.412.311.29.616.813.413.713.412.711.825.210.410.610.210.515.4-1.911.06.1

us-gaap:OperatingIncomeLoss us-gaap:StatementBusinessSegments

pkg:Packaging


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value317257209222197199214235263249263284273224266261224190177179192159181198194141161164166170150154122117
Percentage of OperatingIncomeLoss107.7108.2110.7106.2170.295.691.489.594.190.691.895.3101.3105.5105.9107.996.093.992.187.096.188.3102.990.398.589.893.287.492.3106.1124.5109.1114.0114.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.914.312.213.112.811.712.513.415.014.415.115.715.513.315.815.914.212.412.012.113.611.413.013.513.49.911.310.811.311.911.918.315.315.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax pkg:Packaging18.515.90.014.814.013.60.015.817.516.90.018.518.316.00.019.417.115.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

pkg:Paper


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value2.68.71.77.3-61.432424838454232167.23.4-0.72929334424361339233531433327
Percentage of OperatingIncomeLoss0.93.70.93.5-52.915.518.218.313.816.614.610.86.03.41.3-0.312.414.717.221.612.220.07.918.011.822.718.022.818.617.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.50.10.4-4.01.92.52.72.22.62.41.80.90.40.2-0.01.81.92.23.01.72.61.02.71.62.52.22.82.31.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax pkg:Paper1.85.30.04.1-49.814.90.019.816.319.00.012.76.52.70.0-0.311.511.50.015.29.112.90.013.58.312.00.013.811.49.0

us-gaap:CorporateAndOther


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-25.2-28.3-22.1-20.2-20.1-23.2-22.6-20.4-22.3-19.8-18.4-18.2-19.8-19.0-19.9-18.0-19.3-17.5-17.8-17.7-16.6-14.9-19.0-18.3-20.4-19.6-19.3-19.3-19.8-37.5-49.7-12.1-12.1-11.9
Percentage of OperatingIncomeLoss-8.6-11.9-11.7-9.6-17.3-11.1-9.6-7.8-8.0-7.2-6.4-6.1-7.3-8.9-7.9-7.4-8.3-8.6-9.2-8.6-8.3-8.2-10.8-8.3-10.3-12.5-11.1-10.2-11.0-23.3-41.0-8.5-11.3-11.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.3-1.6-1.3-1.2-1.3-1.4-1.3-1.2-1.3-1.1-1.1-1.0-1.1-1.1-1.2-1.1-1.2-1.1-1.2-1.2-1.2-1.1-1.4-1.2-1.4-1.4-1.3-1.3-1.3-2.6-3.9-1.4-1.5-1.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CorporateAndOther-131.9-148.90.0-139.3-239.3-97.50.0-113.3-127.4-120.70.0-88.8-96.6-103.80.0-81.4-102.7-86.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312015-09-30
Value20716612313956141136179193186204206186140268139143117110119104127
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.09.27.28.23.78.37.910.311.010.811.711.410.68.316.08.59.07.67.58.07.58.7

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1879180717141693154117081720175017591733174618091767169016841640158415361476148414171401139014701454142514341518146814311264845800755736723712671654670665629626642615550
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:IntersegmentElimination


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-36.0-36.4-36.3-34.3-42.1-36.4-40.7-41.0-38.3-40.3-41.2-39.1-40.1-35.3-38.5-39.0-37.1-33.9-35.4-38.8-34.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.9-2.0-2.1-2.0-2.7-2.1-2.4-2.3-2.2-2.3-2.4-2.2-2.3-2.1-2.3-2.4-2.3-2.2-2.4-2.6-2.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.9-2.0-2.1-2.0-2.7-2.1-2.4-2.3-2.2-2.3-2.4-2.2-2.3-2.1-2.3-2.4-2.3-2.2-2.4-2.6-2.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MaterialReconcilingItems


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value-36.0-36.4-36.3-34.3-42.1-36.4-40.7-41.0-38.3-40.3-41.2-39.1-40.1-35.3-38.5-39.0-37.1-33.9-35.4-38.8-34.7-37.7-33.0-36.7-35.4-31.9-33.4-38.5-39.3-39.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.9-2.0-2.1-2.0-2.7-2.1-2.4-2.3-2.2-2.3-2.4-2.2-2.3-2.1-2.3-2.4-2.3-2.2-2.4-2.6-2.4-2.7-2.4-2.5-2.4-2.2-2.3-2.5-2.7-2.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.9-2.0-2.1-2.0-2.7-2.1-2.4-2.3-2.2-2.3-2.4-2.2-2.3-2.1-2.3-2.4-2.3-2.2-2.4-2.6-2.4-2.7-2.4-2.5-2.4-2.2-2.3-2.5-2.7-2.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:MaterialReconcilingItems100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1879180717141693154117081720175017591733
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:IntersegmentElimination, pkg:Packaging


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value4.03.84.13.58.12.16.57.06.86.86.76.86.66.36.16.06.05.71.92.11.71.70.10.41.31.41.31.51.21.80.40.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.20.20.20.50.10.40.40.40.40.40.40.40.40.40.40.40.40.10.10.10.10.00.00.10.10.10.10.10.10.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.20.20.20.50.10.40.40.40.40.40.40.40.40.40.40.40.40.10.10.10.10.00.00.10.10.10.10.10.10.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination pkg:Packaging100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:IntersegmentElimination, pkg:Paper


Revenue
Period End2021-06-302021-03-31
Value-0.10.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination pkg:Paper100.0100.0

us-gaap:IntersegmentElimination, us-gaap:CorporateAndOther


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value323232303434343431333432332932333128333633363236343032373837280.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.71.81.91.82.22.02.01.91.81.92.01.81.91.71.92.02.01.82.32.52.32.62.42.52.32.12.22.42.62.62.20.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.71.81.91.82.22.02.01.91.81.92.01.81.91.71.92.02.01.82.32.52.32.62.42.52.32.12.22.42.62.62.20.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination us-gaap:CorporateAndOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:OperatingSegments, pkg:Packaging


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value1718162315411501140914671460148915041477150415351496140213971346131112571196116711251095109111441142109911221175114510971030845800755
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax91.489.889.988.691.585.984.985.185.585.286.184.884.783.083.082.182.881.881.178.679.478.278.577.878.577.178.277.478.076.781.5100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax91.489.889.988.691.585.984.985.185.585.286.184.884.783.083.082.182.881.881.178.679.478.278.577.878.577.178.277.478.076.781.5100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments pkg:Packaging100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, pkg:Paper


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value142164156178123217244242237239227254250269267271253259253292266280272291281297284312295309
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.69.19.110.58.012.714.213.913.513.813.014.114.215.915.916.516.016.917.219.718.820.019.619.819.320.919.820.620.121.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.69.19.110.58.012.714.213.913.513.813.014.114.215.915.916.516.016.917.219.718.820.019.619.819.320.919.820.620.121.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments pkg:Paper100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, us-gaap:CorporateAndOther


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value555553485060565955565559605358615554616260625971666160696764450.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.93.13.12.93.33.53.33.43.23.33.23.33.43.23.43.73.53.54.24.24.24.54.34.84.64.34.24.64.64.53.60.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.93.13.12.93.33.53.33.43.23.33.23.33.43.23.43.73.53.54.24.24.24.54.34.84.64.34.24.64.64.53.60.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments us-gaap:CorporateAndOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService

pkg:Trade


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1879180717141693154117081720175017591733174618091767169016841640
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax pkg:Trade100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

pkg:Trade, pkg:Packaging


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1714161915361497140114651453148214971470149715281489139613911340
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax91.289.689.788.490.985.884.584.785.184.885.784.484.382.682.681.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax91.289.689.788.490.985.884.584.785.184.885.784.484.382.682.681.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax pkg:Trade pkg:Packaging100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

pkg:Trade, pkg:Paper


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value142164155178123217244242237239227254250269267271
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.69.19.110.58.012.714.213.913.513.813.014.114.215.915.916.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.69.19.110.58.012.714.213.913.513.813.014.114.215.915.916.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax pkg:Trade pkg:Paper100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

pkg:Trade, us-gaap:CorporateAndOther


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value23232118162522252423212727242528
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.21.31.21.11.11.51.31.41.41.31.21.51.51.51.51.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.21.31.21.11.11.51.31.41.41.31.21.51.51.51.51.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax pkg:Trade us-gaap:CorporateAndOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementBusinessSegments

pkg:Packaging


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value171816231541150114091467146014891504147715041535149614021397134613111257
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax91.489.889.988.691.585.984.985.185.585.286.184.884.783.083.082.182.881.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax91.489.889.988.691.585.984.985.185.585.286.184.884.783.083.082.182.881.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax pkg:Packaging100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

pkg:Paper


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value142164156178123217244242237239227254250269267271253259253292266280272291281297284312295309
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.69.19.110.58.012.714.213.913.513.813.014.114.215.915.916.516.016.917.219.718.820.019.619.819.320.919.820.620.121.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.69.19.110.58.012.714.213.913.513.813.014.114.215.915.916.516.016.917.219.718.820.019.619.819.320.919.820.620.121.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax pkg:Paper100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CorporateAndOther


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value191917148.423151817161420201819221820
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.01.11.00.90.51.40.91.01.00.90.81.11.21.11.21.31.21.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.01.11.00.90.51.40.91.01.00.90.81.11.21.11.21.31.21.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CorporateAndOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:SellingGeneralAndAdministrativeExpense


Selling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value146145130127136145137136143140129134137134133130130128125116114113105112121117110119122116159565455545152514848484746474444
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.88.07.67.58.88.58.07.88.28.17.47.47.88.07.97.98.28.48.57.98.18.17.67.78.48.27.77.98.48.112.66.76.97.47.47.17.47.77.57.37.27.67.47.37.38.0

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value76737549743373727272734772357191707469286569650063156139619760275903584357775747529652275284542254095385534853305304526351992657261425152453245528312492241222322259222022242152
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value3.82.12.52.85.05.03.92.7
Percentage of Assets0.00.00.00.00.10.10.10.0
Percentage of Assets0.00.00.00.00.10.10.10.0
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:StatementBusinessSegments

pkg:Packaging


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value5744549153474933453040274105391621312165
Percentage of Assets77.375.981.479.678.476.276.875.386.989.8
Percentage of Assets77.375.981.479.678.476.276.875.386.989.8
Percentage of Assets pkg:Packaging100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

pkg:Paper


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value4977917609459469769689380.00.0
Percentage of Assets6.710.911.615.316.418.518.118.00.00.0
Percentage of Assets6.710.911.615.316.418.518.118.00.00.0
Percentage of Assets pkg:Paper100.0100.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:CorporateAndOther


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value1192952462318300280274344322246
Percentage of Assets16.013.27.05.15.25.35.16.613.210.2
Percentage of Assets16.013.27.05.15.25.35.16.613.210.2
Percentage of Assets us-gaap:CorporateAndOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities us-gaap:ConsolidatedEntities

us-gaap:Liabilities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Liabilitiesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value3800000.02100000.02500000.02800000.05000000.05000000.03900000.02700000.0
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.10.10.10.0
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value76737549743373727272734772357191707469286569650063156139619760275903584357775747529652275284542254095385534853305304526351992657261425152453245528312492241222322259222022242152
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value3444333132463205313331493071303429212794267225302388227321821994190618241759172916621590163316151591155615211552148214171313109910511001969940922921928973102110201009898683760
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets44.944.143.743.543.142.942.442.241.340.340.738.937.837.035.233.132.331.230.530.131.430.430.929.829.428.928.429.128.026.925.341.440.239.839.538.332.637.038.543.645.245.945.441.80.00.0

us-gaap:StockholdersEquity us-gaap:DerivativeInstrumentRisk, us-gaap:StatementEquityComponents

pkg:MarketableDebtSecurities, pkg:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges1


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value0.10.20.30.50.7
Percentage of StockholdersEquity0.00.00.00.00.0
Percentage of Assets0.00.00.00.00.0
Percentage of Assets pkg:MarketableDebtSecurities pkg:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges10.00.00.00.00.0

us-gaap:ForeignExchangeContract, pkg:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges1


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312018-12-31
Value-0.2-0.2-0.2-0.2-0.2-0.2-0.3
Percentage of StockholdersEquity-0.0-0.0-0.0-0.0-0.0-0.0-0.0
Percentage of Assets-0.0-0.0-0.0-0.0-0.0-0.0-0.0
Percentage of Assets us-gaap:ForeignExchangeContract pkg:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges10.00.00.00.00.00.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value-139.2-141.7-144.2-150.8-153.5-156.2-158.9-120.8-123.2-125.6-127.9-142.1
Percentage of StockholdersEquity-4.0-4.3-4.4-4.7-4.9-5.0-5.2-4.0-4.2-4.5-4.8-6.5
Percentage of Assets-1.8-1.9-1.9-2.0-2.1-2.1-2.2-1.7-1.7-1.8-1.9-2.3
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value-139.7-142.1-144.5-150.9-153.4-157.0-159.5-128.8-132.2-135.5-138.8-156.9-124.9-153.9-65.024-114.042-97.778-44.381-36.036-38.251-7.165
Percentage of StockholdersEquity-4.1-4.3-4.5-4.7-4.9-5.0-5.2-4.2-4.5-4.8-5.2-7.2-7.6-10.1-5.0-11.8-10.5-4.4-4.0-5.6-0.9
Percentage of Assets-1.8-1.9-1.9-2.0-2.1-2.1-2.2-1.8-1.9-2.0-2.1-2.5-2.4-2.9-1.3-4.6-4.1-2.0-1.70.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value-0.4-0.4-0.4-0.4-0.4-0.4-0.4-0.4-0.4-0.4-0.4-0.3
Percentage of StockholdersEquity-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0
Percentage of Assets-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0
Percentage of Assets us-gaap:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.00.00.00.00.00.0

Assets Current

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value29612856275027432659261324782531240222622115211419561832191520011863177916961747160915281554167916571614157815971574156114871135110210119379241285865812669742772798885
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets38.637.837.037.236.635.634.335.234.032.732.232.531.029.830.933.231.630.429.430.430.429.229.431.030.630.029.530.029.729.728.642.842.240.238.237.745.434.733.730.032.934.835.941.1

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-10-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value9729839749498537646797385694423612931991022161843703212542392792131621841861631261241541611851903963702682071405158415640119173196172181197260149228
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets12.713.013.112.911.710.49.410.38.06.45.54.53.21.73.50.06.15.44.34.14.94.03.13.53.43.02.32.32.93.13.53.714.914.210.78.55.718.23.46.51.85.37.88.80.00.00.012.10.00.0

us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel1


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value2.01.80.62.8290.83.2
Percentage of CashAndCashEquivalentsAtCarryingValue0.20.20.10.33.40.10.5
Percentage of Assets0.00.00.00.00.40.00.0
Percentage of Assets us-gaap:FairValueInputsLevel10.00.00.00.00.00.00.0

us-gaap:FairValueInputsLevel2


Cash
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value1.01.23.52.90.7
Percentage of CashAndCashEquivalentsAtCarryingValue0.10.10.40.30.1
Percentage of Assets0.00.00.00.00.0
Percentage of Assets us-gaap:FairValueInputsLevel20.00.00.00.00.0

us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument

us-gaap:FairValueInputsLevel2, us-gaap:CorporateDebtSecurities


Cash
Period End2021-06-302020-12-312020-09-30
Value0.51.42.2
Percentage of CashAndCashEquivalentsAtCarryingValue0.10.10.2
Percentage of Assets0.00.00.0
Percentage of Assets us-gaap:FairValueInputsLevel2 us-gaap:CorporateDebtSecurities0.00.00.0

us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:InvestmentType

us-gaap:FairValueInputsLevel1, us-gaap:MoneyMarketFunds


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value2.01.80.60.7290.30.1
Percentage of CashAndCashEquivalentsAtCarryingValue0.20.20.10.13.40.00.0
Percentage of Assets0.00.00.00.00.40.00.0
Percentage of Assets us-gaap:FairValueInputsLevel1 us-gaap:MoneyMarketFunds0.00.00.00.00.00.00.0

us-gaap:FairValueInputsLevel1, us-gaap:USTreasurySecurities


Cash
Period End2020-09-302020-03-312019-12-31
Value2.10.53.1
Percentage of CashAndCashEquivalentsAtCarryingValue0.20.10.5
Percentage of Assets0.00.00.0
Percentage of Assets us-gaap:FairValueInputsLevel1 us-gaap:USTreasurySecurities0.00.00.0

us-gaap:FairValueInputsLevel2, us-gaap:CertificatesOfDeposit


Cash
Period End2021-06-302021-03-312020-12-312020-09-30
Value0.51.21.10.7
Percentage of CashAndCashEquivalentsAtCarryingValue0.10.10.10.1
Percentage of Assets0.00.00.00.0
Percentage of Assets us-gaap:FairValueInputsLevel2 us-gaap:CertificatesOfDeposit0.00.00.00.0

us-gaap:FairValueInputsLevel2, us-gaap:CommercialPaper


Cash
Period End2020-12-312019-12-31
Value1.00.7
Percentage of CashAndCashEquivalentsAtCarryingValue0.10.1
Percentage of Assets0.00.0
Percentage of Assets us-gaap:FairValueInputsLevel2 us-gaap:CommercialPaper0.00.0

us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:InvestmentType

us-gaap:CashAndCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value969980970943824763675
Percentage of CashAndCashEquivalentsAtCarryingValue99.799.799.699.496.699.999.4
Percentage of Assets12.613.013.112.811.310.49.3
Percentage of Assets us-gaap:CashAndCashEquivalents0.00.00.00.00.00.00.0

us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:StatementGeographical

pkg:ForeignOperations


Cash
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value2.22.42.31.83.43.1107.1
Percentage of CashAndCashEquivalentsAtCarryingValue0.20.40.60.81.41.78.33.7
Percentage of Assets0.00.00.00.00.10.10.20.1
Percentage of Assets pkg:ForeignOperations0.00.00.00.00.00.00.00.0

Accounts Receivable Net Current

us-gaap:AccountsReceivableNetCurrent

us-gaap:AccountsReceivableNetCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value981908832864817879845932947930901986920860830831755733689713663631636683708676646717704696643409403391352379353348319338331308293243
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets12.812.011.211.711.212.011.713.013.413.413.715.214.614.013.413.812.812.511.912.412.512.112.012.613.112.612.113.513.313.212.415.415.415.614.415.512.514.013.315.214.713.913.211.3

us-gaap:AccountsReceivableNetCurrent us-gaap:MajorCustomers, us-gaap:ConcentrationRiskByType

pkg:OfficeDepot, us-gaap:CreditConcentrationRisk


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value37383939345676788383667333
Percentage of AccountsReceivableNetCurrent3.94.34.84.64.26.59.08.48.89.07.47.54.0
Percentage of Assets0.50.50.50.50.50.81.11.11.21.21.01.10.5
Percentage of Assets pkg:OfficeDepot us-gaap:CreditConcentrationRisk0.00.00.00.00.00.00.00.00.00.00.00.00.0

Inventory Net

us-gaap:InventoryNet

us-gaap:InventoryNet


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value827799787777834809794806815831795780763766762736734744723690671692676695667687664616611607522266263270268260258263254244226233241213
Percentage of InventoryNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.810.610.610.511.511.011.011.211.512.012.112.012.112.512.312.212.412.712.512.012.713.212.812.812.312.812.411.611.511.510.010.010.110.711.010.69.110.610.610.910.010.510.89.9

Inventory Finished Goods

us-gaap:InventoryFinishedGoods

us-gaap:InventoryFinishedGoods


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1801741831912312202072152132101991801972022172142222122061881821901892062082162161951961952097882767877767874777273
Percentage of InventoryFinishedGoods100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.42.32.52.63.23.02.93.03.03.03.02.83.13.33.53.63.83.63.63.33.43.63.63.83.94.04.03.73.73.74.03.03.13.03.23.22.73.23.13.53.23.3

Prepaid Expense And Other Assets Current

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:PrepaidExpenseAndOtherAssetsCurrent


Prepaid
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value78624451606744445958394956553543524730456042284958656176594032313724202733261817
Percentage of PrepaidExpenseAndOtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.00.80.60.70.80.90.60.60.80.80.60.80.90.90.60.70.90.80.50.81.10.80.50.91.11.21.21.41.10.80.61.21.41.00.91.11.21.00.80.8

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312011-12-312010-12-31
Value7473738373137204711770546997690568336764669165886540641463116197612060656010595258295770571456845631559055155464538152935232364036183439
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets97.497.898.497.797.996.096.796.096.697.6101.8101.4103.6104.5101.8102.8103.7103.8104.0103.6110.1110.4108.1104.8104.1103.8103.1102.5101.5100.6100.6148.4150.0154.6

us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType

us-gaap:Building


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312011-12-312010-12-31
Value896874858847845844837815812806795756735734729731725723717687645641640661659659659645642637628390377350
Percentage of PropertyPlantAndEquipmentGross12.011.811.711.811.912.012.011.811.911.911.911.511.211.411.611.811.911.911.911.611.111.111.211.611.711.812.011.811.912.012.010.710.410.2
Percentage of Assets11.711.611.511.511.611.511.611.311.511.612.111.611.712.011.812.112.312.412.412.012.212.312.112.212.212.312.312.112.112.112.115.915.715.7
Percentage of Assets us-gaap:Building0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ConstructionInProgress


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312011-12-312010-12-31
Value2693543602802142051741731721931762402092391941771521331251511721481191461441981542531951981686766212
Percentage of PropertyPlantAndEquipmentGross3.64.84.93.93.02.92.52.52.52.92.63.73.23.73.12.92.52.22.12.53.02.62.12.62.63.52.84.63.63.73.21.81.86.2
Percentage of Assets3.54.74.83.82.92.82.42.42.42.82.73.73.33.93.12.92.62.32.22.63.32.82.32.72.73.72.94.73.73.83.22.72.79.6
Percentage of Assets us-gaap:ConstructionInProgress0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:LandAndLandImprovements


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312011-12-312010-12-31
Value18618517917817717717716716716516116215915815615615615414914814714614614515014413813814114014010710298
Percentage of PropertyPlantAndEquipmentGross2.52.52.52.52.52.52.52.42.52.42.42.52.42.52.52.52.62.52.52.52.52.52.62.62.72.62.52.52.62.72.72.92.82.9
Percentage of Assets2.42.52.42.42.42.42.52.32.42.42.52.52.52.62.52.62.62.62.62.62.82.82.82.72.82.72.62.62.72.72.74.44.24.4
Percentage of Assets us-gaap:LandAndLandImprovements0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:MachineryAndEquipment


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312011-12-312010-12-31
Value6027587958265811579357425727567256035522548153565364521251625066501749874951490248004769474746714621453345084374434842684263304830452753
Percentage of PropertyPlantAndEquipmentGross80.779.679.780.781.481.481.882.182.081.681.981.382.081.381.881.782.082.282.482.482.382.783.182.282.181.181.780.180.880.681.583.784.280.0
Percentage of Assets78.677.978.478.879.778.279.278.979.279.783.482.484.984.983.384.185.085.485.785.390.691.289.886.285.484.284.382.182.081.182.0124.3126.2123.8
Percentage of Assets us-gaap:MachineryAndEquipment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherCapitalizedPropertyPlantAndEquipment


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312011-12-312010-12-31
Value92888886868481777875757271706866676666626364615854545453534930272724
Percentage of PropertyPlantAndEquipmentGross1.21.21.21.21.21.21.21.11.11.11.11.11.11.11.11.11.11.11.11.11.11.11.11.01.01.01.01.01.00.90.60.70.80.7
Percentage of Assets1.21.21.21.21.21.11.11.11.11.11.11.11.11.21.11.11.11.11.21.11.21.21.21.11.01.01.01.01.00.90.61.11.11.1
Percentage of Assets us-gaap:OtherCapitalizedPropertyPlantAndEquipment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312011-12-312010-12-31
Value4232417041204073400239163846379537263654358235233514345233863316324731773114307330192952288228412778272626572646256424932426227421412101
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets55.255.255.455.355.053.353.252.852.752.754.554.255.656.254.655.055.054.453.953.557.056.554.552.451.450.649.749.648.347.446.792.788.894.5

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment us-gaap:LeaseContractualTerm

pkg:FinanceLeases


Accumulated
Period End2020-12-312019-12-31
Value1918
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment0.50.5
Percentage of Assets0.30.3
Percentage of Assets pkg:FinanceLeases0.00.0

Amortization Of Intangible Assets

us-gaap:AmortizationOfIntangibleAssets

us-gaap:AmortizationOfIntangibleAssets


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value9.39.69.59.5149.69.79.79.79.59.8101010108.48.68.39.16.35.55.75.65.75.75.75.75.75.65.63.90.80.80.8
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value32403212319331303114313831513110310731093108306530262961292428812872288728952878280928172832284228522864285728182817280028051369136313531366137613931477147614341401136013371182
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets42.242.643.042.542.842.743.643.343.944.947.347.247.948.247.247.848.749.450.150.153.153.953.652.452.753.253.452.953.153.254.051.552.253.855.756.149.259.361.264.262.061.260.254.9

us-gaap:PropertyPlantAndEquipmentNet us-gaap:LeaseContractualTerm

pkg:FinanceLeases


Property
Period End2020-12-312019-12-31
Value9.210
Percentage of PropertyPlantAndEquipmentNet0.30.3
Percentage of Assets0.10.1
Percentage of Assets pkg:FinanceLeases0.00.0

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value86386386386386391891891891891791788888888388373273173773769254454454454454454654654153752652667676767717171585153383838
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 Assets11.311.411.611.711.912.512.712.813.013.214.013.714.114.414.312.112.412.612.812.010.310.410.310.010.110.110.210.210.110.010.12.52.62.72.72.92.52.92.42.32.41.71.71.8

us-gaap:Goodwill us-gaap:StatementBusinessSegments

pkg:Packaging


Goodwillus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value86386386386386386386386386386286283383382882867667568168263648848848848848849149148748347247267
Percentage of Goodwill100.0100.0100.0100.0100.094.094.094.094.094.094.093.893.893.893.892.592.492.592.592.089.989.989.989.989.989.989.990.090.089.889.8100.1
Percentage of Assets11.311.411.611.711.911.811.912.012.212.413.112.813.213.513.411.211.411.711.811.19.29.49.29.09.09.19.29.29.19.09.12.7
Percentage of Assets pkg:Packaging0.00.015.00.00.00.015.70.00.00.016.10.00.00.016.80.00.00.015.10.00.00.012.10.00.00.012.00.00.00.012.13.2

pkg:Paper


Goodwillus-gaap:
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value0.00.00.0555555555555555555555555555555555555555555545453530.0
Percentage of Goodwill0.00.00.06.06.06.06.06.06.06.26.26.26.27.57.67.58.010.110.110.110.110.110.110.110.010.010.210.20.0
Percentage of Assets0.00.00.00.80.80.80.80.80.80.80.90.90.90.90.91.01.01.01.11.01.01.01.01.01.01.01.01.00.0
Percentage of Assets pkg:Paper0.00.00.00.07.00.00.00.07.30.00.00.05.80.00.05.80.00.00.05.70.00.00.05.70.00.00.05.70.0

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value27728629530531432933834835836837837338439941034735635836735425926527027628228729329930630431035363738343536252016101011
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.63.84.04.14.34.54.74.85.15.35.85.86.16.56.65.86.06.16.46.24.95.15.15.15.25.35.55.65.85.86.01.31.41.51.61.41.31.51.00.90.70.50.50.5

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value233231234231229235234232238
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.03.13.23.13.23.23.23.23.4

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssetsNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value4851535253555549495350575963646380818074727183807372727369706949454645474441405044393834
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.60.70.70.70.70.70.80.70.70.80.80.90.91.01.01.11.41.41.41.31.41.41.61.51.41.31.31.41.31.31.31.91.71.81.81.91.61.71.72.32.01.81.71.6

Accounts Payable Current

us-gaap:AccountsPayableCurrent

us-gaap:AccountsPayableCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value405402387352315389351385382405382438431427402379349367323327308309294337339352330387394390357163164142117147134153154176189167154126
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.35.35.24.84.35.34.95.45.45.85.86.86.87.06.56.35.96.35.65.75.85.95.66.26.36.56.27.37.47.46.96.26.35.74.86.04.76.16.47.98.47.66.95.9

Accrued Income Taxes Current

us-gaap:AccruedIncomeTaxesCurrent

us-gaap:AccruedIncomeTaxesCurrent


Accrued
Period End2021-06-302021-03-312020-09-302017-06-302017-03-312016-12-312016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-12-312011-12-312011-09-302011-03-312010-12-312009-12-31
Value0.622172.5240.0130.02.32.9240.07.1765.9730.0100.4647.0192.6010.0
Percentage of AccruedIncomeTaxesCurrent100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.00.0100.0100.00.0100.0100.0100.0100.00.0
Percentage of Assets0.00.30.20.00.40.00.30.00.00.10.40.00.10.10.00.40.00.30.10.0

Accrued Liabilities Current

us-gaap:AccruedLiabilitiesCurrent

us-gaap:AccruedLiabilitiesCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value231184216231211178217220197160222223195157203207177147201204170144193209189164220228207180214129120911221141021221631109377111106
Percentage of AccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.02.42.93.12.92.43.03.12.82.33.43.43.12.63.33.43.02.53.53.63.22.83.73.93.53.04.14.33.93.44.14.94.63.65.04.73.64.96.85.04.13.55.04.9

Dividends Payable Current

us-gaap:DividendsPayableCurrent

us-gaap:DividendsPayableCurrent


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value979797767677767675767675756060606060595952525353535439393939390.0242424191920201515
Percentage of DividendsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.31.31.31.01.11.01.11.11.11.11.21.21.21.01.01.01.01.01.01.01.01.01.01.01.01.00.70.70.70.70.80.01.00.91.00.80.90.90.90.70.7

Liabilities Current

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value816805782775683744723770729740693766715673832824760776625637551545561628606621611690657643660353344286259307689320376421425387405370
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.610.710.510.59.410.110.010.710.310.710.611.811.311.013.413.712.913.310.811.110.410.410.611.611.211.511.412.912.412.212.713.313.211.410.612.524.412.915.618.918.817.418.217.2

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value686968686764626059
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.90.90.90.90.90.90.90.80.8

Other Accrued Liabilities Current

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:OtherAccruedLiabilitiesCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312011-12-312010-12-31
Value1211111414151410129.7121414135.37.55.05.37.08.37.28.69.5118.7131414108.42913107.6297.388
Percentage of OtherAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.20.20.20.20.20.20.10.20.10.20.20.20.20.10.10.10.10.10.10.10.20.20.20.20.20.30.30.20.20.30.40.30.3

Liabilities Noncurrent

us-gaap:LiabilitiesNoncurrent

us-gaap:LiabilitiesNoncurrent


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value341234123404339134553453344133853423339332033203321131923182320832363242339133793082309130893178321232073216308831633202322612041219122712241207121812491107837812813809883
Percentage of LiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets44.545.245.846.047.547.047.647.148.449.048.849.350.952.051.353.254.855.558.758.858.259.158.558.659.459.660.157.959.660.862.045.346.648.849.949.243.050.145.937.536.036.636.441.0

Long Term Debt

us-gaap:LongTermDebt

us-gaap:LongTermDebt


Long
Period End2021-06-302020-12-312019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312014-09-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value24942493249324962496249624952645265823092355235625477827867897937971200804808658
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets32.533.534.538.038.439.540.642.746.043.744.044.249.029.430.131.432.332.542.432.333.529.6

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

pkg:A4Point50SeniorNotesDueNovember2023, us-gaap:SeniorNotes


Long
Period End2021-06-302020-12-312019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value699699699699698698698698698
Percentage of LongTermDebt28.028.028.028.028.028.028.026.426.3
Percentage of Assets9.19.49.710.610.811.111.411.312.1
Percentage of Assets pkg:A4Point50SeniorNotesDueNovember2023 us-gaap:SeniorNotes0.00.00.00.00.00.00.00.00.0

pkg:FourPointZeroFivePercentageSeniorNotesDueDecemberTwoThousandAndFortyNine, us-gaap:SeniorNotes


Long
Period End2021-06-302020-12-312019-12-31
Value396396396
Percentage of LongTermDebt15.915.915.9
Percentage of Assets5.25.35.5
Percentage of Assets pkg:FourPointZeroFivePercentageSeniorNotesDueDecemberTwoThousandAndFortyNine us-gaap:SeniorNotes0.00.00.0

pkg:ThreePointFourPercentageSeniorNotesDueDecemberTwoThousandAndTwentySeven, us-gaap:SeniorNotes


Long
Period End2021-06-302020-12-312019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value4984984984984984984984980.0
Percentage of LongTermDebt20.020.020.020.020.020.020.018.80.0
Percentage of Assets6.56.76.97.67.77.98.18.00.0
Percentage of Assets pkg:ThreePointFourPercentageSeniorNotesDueDecemberTwoThousandAndTwentySeven us-gaap:SeniorNotes0.00.00.00.00.00.00.00.00.0

pkg:ThreePointSixFiveSeniorNotesDueSeptemberTwoThousandAndTwentyFour, us-gaap:SeniorNotes


Long
Period End2021-06-302020-12-312019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value399399399399399399399399399
Percentage of LongTermDebt16.016.016.016.016.016.016.015.115.0
Percentage of Assets5.25.45.56.16.16.36.56.46.9
Percentage of Assets pkg:ThreePointSixFiveSeniorNotesDueSeptemberTwoThousandAndTwentyFour us-gaap:SeniorNotes0.00.00.00.00.00.00.00.00.0

pkg:ThreePointZeroPercentageSeniorNotesDueDecemberTwoThousandAndTwentyNine, us-gaap:SeniorNotes


Long
Period End2021-06-302020-12-312019-12-31
Value499499499
Percentage of LongTermDebt20.020.020.0
Percentage of Assets6.56.76.9
Percentage of Assets pkg:ThreePointZeroPercentageSeniorNotesDueDecemberTwoThousandAndTwentyNine us-gaap:SeniorNotes0.00.00.0

us-gaap:LongTermDebt us-gaap:LongtermDebtType

pkg:UnsecuredRevolvingCreditFacility


Long
Period End2021-06-30
Value350
Percentage of LongTermDebt14.0
Percentage of Assets4.6
Percentage of Assets pkg:UnsecuredRevolvingCreditFacility0.0

us-gaap:LetterOfCredit


Long
Period End2021-06-30
Value23
Percentage of LongTermDebt0.9
Percentage of Assets0.3
Percentage of Assets us-gaap:LetterOfCredit0.0

Long Term Debt Noncurrent

us-gaap:LongTermDebtNoncurrent

us-gaap:LongTermDebtNoncurrent


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2479248024792478247824772476248624852484248324822482248124802456245724582620262522882289230223192345234723482350242524752508767771774778782786789793549549549549548
Percentage of LongTermDebtNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets32.332.933.433.634.133.734.234.635.135.937.838.239.340.440.040.841.642.145.445.743.243.843.642.843.443.643.944.145.747.048.228.929.530.831.731.927.831.732.924.624.324.724.725.5

Deferred Income Tax Liabilities Net

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:DeferredIncomeTaxLiabilitiesNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value395392379363361340
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0100.0100.0100.0
Percentage of Assets5.25.25.14.95.04.7

Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent


Pension
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value294295298300369372375320364363357360374373372322356355357312357363358376372367361204200199193132163171164134151153148941011009778
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.83.94.04.15.15.15.24.55.25.25.45.55.96.16.05.46.06.16.25.46.76.96.87.06.96.86.83.83.83.83.75.06.36.86.75.55.46.26.24.34.54.54.43.7

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent us-gaap:RetirementPlanType

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Pension
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value1213131518
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent4.23.73.94.25.1
Percentage of Assets0.20.20.20.30.3
Percentage of Assets us-gaap:OtherPostretirementBenefitPlansDefinedBenefit0.00.00.00.00.0

us-gaap:PensionPlansDefinedBenefit


Pension
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value263344330344326
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent88.491.992.492.391.5
Percentage of Assets3.54.85.05.65.7
Percentage of Assets us-gaap:PensionPlansDefinedBenefit0.00.00.00.00.0

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value5659596160565557585659636362706860595960616059587070728483806533293129282827296928302927
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.70.80.80.80.80.80.80.80.80.80.91.01.01.01.11.11.01.01.01.01.21.21.11.11.31.31.41.61.61.51.31.31.11.21.21.21.01.11.23.11.31.41.31.3

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value172170173172171177177177183
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.22.32.32.32.42.42.52.52.6

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2020-12-31
Value58
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0
Percentage of Assets0.8

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2020-12-31
Value42
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0
Percentage of Assets0.6

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2020-12-31
Value30
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0
Percentage of Assets0.4

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-31
Value21
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0
Percentage of Assets0.3

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-31
Value40
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0
Percentage of Assets0.5

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2020-12-312019-12-312019-09-302019-06-30
Value242240237243
Percentage of OperatingLeaseLiability100.0100.0100.0100.0
Percentage of Assets3.33.33.33.4

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2020-12-31
Value269
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0
Percentage of Assets3.6

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2020-12-31
Value27
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0
Percentage of Assets0.4

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value3444333132463205313331493071303429212794267225302388227321821994190618241759172916621590163316151591155615211552148214171313109910511001969940922921928973102110201009898683760
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets44.944.143.743.543.142.942.442.241.340.340.738.937.837.035.233.132.331.230.530.131.430.430.929.829.428.928.429.128.026.925.341.440.239.839.538.332.637.038.543.645.245.945.441.80.00.0

us-gaap:StockholdersEquity us-gaap:DerivativeInstrumentRisk, us-gaap:StatementEquityComponents

pkg:MarketableDebtSecurities, pkg:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges1


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value0.10.20.30.50.7
Percentage of StockholdersEquity0.00.00.00.00.0
Percentage of Assets0.00.00.00.00.0
Percentage of Assets pkg:MarketableDebtSecurities pkg:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges10.00.00.00.00.0

us-gaap:ForeignExchangeContract, pkg:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges1


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312018-12-31
Value-0.2-0.2-0.2-0.2-0.2-0.2-0.3
Percentage of StockholdersEquity-0.0-0.0-0.0-0.0-0.0-0.0-0.0
Percentage of Assets-0.0-0.0-0.0-0.0-0.0-0.0-0.0
Percentage of Assets us-gaap:ForeignExchangeContract pkg:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges10.00.00.00.00.00.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value-139.2-141.7-144.2-150.8-153.5-156.2-158.9-120.8-123.2-125.6-127.9-142.1
Percentage of StockholdersEquity-4.0-4.3-4.4-4.7-4.9-5.0-5.2-4.0-4.2-4.5-4.8-6.5
Percentage of Assets-1.8-1.9-1.9-2.0-2.1-2.1-2.2-1.7-1.7-1.8-1.9-2.3
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value-139.7-142.1-144.5-150.9-153.4-157.0-159.5-128.8-132.2-135.5-138.8-156.9-124.9-153.9-65.024-114.042-97.778-44.381-36.036-38.251-7.165
Percentage of StockholdersEquity-4.1-4.3-4.5-4.7-4.9-5.0-5.2-4.2-4.5-4.8-5.2-7.2-7.6-10.1-5.0-11.8-10.5-4.4-4.0-5.6-0.9
Percentage of Assets-1.8-1.9-1.9-2.0-2.1-2.1-2.2-1.8-1.9-2.0-2.1-2.5-2.4-2.9-1.3-4.6-4.1-2.0-1.70.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value-0.4-0.4-0.4-0.4-0.4-0.4-0.4-0.4-0.4-0.4-0.4-0.3
Percentage of StockholdersEquity-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0
Percentage of Assets-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0
Percentage of Assets us-gaap:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.00.00.00.00.00.0

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312016-09-302015-12-312014-12-312013-12-31
Value34443331324632053133314930713034292127942672253023882273218217591730163315211356
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets44.944.143.743.543.142.942.442.241.340.340.738.937.837.035.230.530.130.928.426.1

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value-139.7-142.1-144.5-150.9-153.4-157.0-159.5-128.8-132.2-135.5-138.8-145.1-149.0-153.0-156.9-139.6-124.9-153.9-65.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-4.1-4.3-4.5-4.7-4.9-5.0-5.2-4.2-4.5-4.8-5.2-5.7-6.2-6.7-7.2-7.9-7.6-10.1-4.8
Percentage of Assets-1.8-1.9-1.9-2.0-2.1-2.1-2.2-1.8-1.9-2.0-2.1-2.2-2.4-2.5-2.5-2.4-2.4-2.9-1.3
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value574566554548542534524518513501494488482476471451439432401
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest16.717.017.117.117.317.017.117.117.617.918.519.320.220.921.625.726.928.429.6
Percentage of Assets7.57.57.57.47.57.37.37.27.37.27.57.57.67.87.67.88.38.17.7
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value1.01.00.90.90.90.90.90.90.90.90.90.90.90.90.90.91.01.01.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.10.1
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value3008290628352806274227712704264325392427231521852054194918671447131712421019
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest87.387.287.387.687.588.088.187.186.986.986.786.486.085.785.682.280.781.675.1
Percentage of Assets39.238.538.138.137.737.737.436.835.935.035.233.632.531.830.125.024.923.219.6
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1000000.01000000.0900000.0900000.0900000.0900000.0900000.0900000.0900000.0900000.0900000.0900000.0900000.0900000.0900000.0900000.0900000.0900000.0900000.0900000.0900000.0900000.01000000.01000000.01000000.01000000.01000000.0984000.0984000.0983000.0982000.0981000.0983000.0981000.0981000.0981000.0981000.0980000.0983000.0996000.01016000.01020000.01023000.01030000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Additional Paid In Capital Common Stock

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AdditionalPaidInCapitalCommonStock


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value574566554548542534524518513501494488482476471466460456451446441432439438441436432427423412401396392382378370363361351356331350362387
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.57.57.57.47.57.37.37.27.37.27.57.57.67.87.67.77.87.87.87.88.38.38.38.18.28.18.18.08.07.87.714.915.015.215.415.112.814.514.616.014.715.816.318.0

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value300829062835280627422771270426432539242723152185205419491867165815781504144713961337128613171317129312711242118411191067975787753729703670661648673678726707690546
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets39.238.538.138.137.737.737.436.835.935.035.233.632.531.830.127.526.725.725.024.325.224.624.924.323.923.623.222.221.120.318.829.628.829.028.727.323.426.027.930.432.131.831.025.4

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value-139700000.0-142100000.0-144500000.0-150900000.0-153400000.0-157000000.0-159500000.0-128800000.0-132200000.0-135500000.0-138800000.0-145100000.0-149000000.0-153000000.0-156900000.0-131000000.0-134000000.0-136700000.0-139600000.0-114200000.0-116900000.0-122400000.0-124900000.0-142000000.0-145000000.0-152300000.0-153900000.0-60944000.0-61330000.0-63203000.0-65024000.0-86094000.0-95314000.0-111280000.0-114040000.0-101970000.0-103040000.0-88865000.0-97778000.0-62120000.0-37320000.0-38029000.0-44381000.0-36036000.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-1.8-1.9-1.9-2.0-2.1-2.1-2.2-1.8-1.9-2.0-2.1-2.2-2.4-2.5-2.5-2.2-2.3-2.3-2.4-2.0-2.2-2.3-2.4-2.6-2.7-2.8-2.9-1.1-1.2-1.2-1.3-3.2-3.6-4.4-4.6-4.2-3.6-3.6-4.1-2.8-1.7-1.7-2.0-1.7

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

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value9.2116.16.08.6105.95.6126.95.76.76.05.1
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value9.1116.16.08.6105.95.6126.95.76.76.05.1
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue98.999.1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Adjustments
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.10.10.00.00.00.00.00.00.00.00.00.0
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue1.10.90.00.00.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value228191271298226236329339302236345301331202272197221164213217180191220237196108179222184149188137187951521011153410871101631381029414
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.110.615.817.614.713.919.119.417.213.619.816.618.712.016.212.114.010.714.414.612.713.615.916.113.57.612.514.712.610.414.916.223.412.720.714.116.25.216.610.715.210.222.215.915.32.6

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-132.7-87.5-170.2-127.1-51.8-77.0-278.3-95.5-92.7-80.1-202.9-131.8-166.3-107.2-381.5-86.7-83.1-57.8-186.9-455.0-72.2-55.5-95.3-78.9-66.3-57.6-167.516-112.273-117.709-53.602-1278.889-49.666-53.893-28.96-33.964-24.64922-71.739-89.018-82.944-111.716-66.487-89.622-74.725-92.705-64.262
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-7.1-4.8-9.9-7.5-3.4-4.5-16.2-5.5-5.3-4.6-11.6-7.3-9.4-6.3-22.7-5.3-5.2-3.8-12.7-30.7-5.1-4.0-6.9-5.4-4.6-4.0-11.7-7.4-8.0-3.7-101.1-5.9-6.7-3.8-4.6-3.43.2-10.7-13.6-12.4-16.8-10.6-14.3-11.6-15.1-11.7

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-106.7-95.3-75.4-75.3-85.7-75.2-109.7-75.4-82.7-75.0-75.0-75.0-67.5-209.8-44.9-61.5-71.4-91.6-66.6304-56.6-157.4-128.0-135.4-92.6-49.2-41.327-117.972-90.85-100.951885-60.927-31.357-6.163-51.943-451.332293-35.50296-67.754-43.35-21.005-25.521-36.423-17.465-13.368
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-5.7-5.3-4.4-4.4-5.6-4.4-6.4-4.3-4.7-4.3-4.3-4.1-3.8-12.4-2.7-3.7-4.5-6.0-4.520.5-4.0-11.2-9.2-9.2-6.4-3.5-2.9-7.8-6.2-7.170.0-7.2-3.9-0.8-7.1-62.441.1-5.314.8-10.1-6.5-3.3-4.1-5.7-2.8-2.4

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value-11.28.825958984-58.81681278067
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.60.51.55.75.84.9-3.49.67.24.73.9

Amortization Of Financing Costs

us-gaap:AmortizationOfFinancingCosts

us-gaap:AmortizationOfFinancingCosts


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.50.50.50.50.50.52.40.70.70.70.70.70.70.72.50.50.50.50.50.50.50.40.50.50.40.40.42.00.50.56.9682.90.20.2050.2040.5160.20.1960.3510.1110.1120.1380.1520.1520.1530.191
Percentage of AmortizationOfFinancingCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Income Tax Expense Benefit

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DeferredIncomeTaxExpenseBenefit


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2.312131.95.71322118.1183.84.81415-86.1-2.3-8.312-10.55.2-6.88.10.5-5.8-0.47.4-14.827-2.1563.93815-167.15412-8.122-0.87715114124.50535-6.149-7.2835.6824-141.576-10.1646.525
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Accounts Payable

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:IncreaseDecreaseInAccountsPayable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value9.6-12.34531-66.328-30.1-0.5-15.013-37.28.612-1.03.318-6.8253.017-4.30.3-23.2-3.73.2-13.6-23.043-6.699-10.5134.2557.804-0.9822323-29.79813-18.915-4.93-23.168-13.9272015-14.3460.6917.56531
Percentage of IncreaseDecreaseInAccountsPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Accounts Receivable

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInAccountsReceivable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value7276-32.247-62.334-86.7-14.61628-92.8665922-27.1762244-32.49.132-5.1-47.0-24.43031-66.47274.21143-26.3926.3581139-27.533265.25521-22.4285.0131815-41.839263232
Percentage of IncreaseDecreaseInAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Inventories

us-gaap:IncreaseDecreaseInInventories

us-gaap:IncreaseDecreaseInInventories


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value271110-56.92415-12.2-9.3-16.0361316-2.78.48.02.2-10.120291.4-21.215-19.128-19.622499.2430.24213-31.4293.884-7.1731.4147.9952.152-4.6636.7286.98716-8.309-7.2261518-7.7642.235
Percentage of IncreaseDecreaseInInventories100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value228191271298226236329339302236345301331202272197221164213217180191220237196108179222184149188137187951521011153410871101631381029414
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.110.615.817.614.713.919.119.417.213.619.816.618.712.016.212.114.010.714.414.612.713.615.916.113.57.612.514.712.610.414.916.223.412.720.714.116.25.216.610.715.210.222.215.915.32.6

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
Value2071661231395614113617919318620420618614026813914311711011911510310412711490981049990227846460613945173941393754933819
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 RevenueFromContractWithCustomerExcludingAssessedTax11.09.27.28.23.78.37.910.311.010.811.711.410.68.316.08.59.07.67.58.08.27.47.58.77.86.46.96.96.86.318.010.08.18.08.35.56.32.76.06.25.95.98.814.56.23.5

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

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-2.5-2.5-2.6-2.7-2.7-2.7-2.4-2.4-2.3-2.3-2.9-3.0-3.0-3.0-2.0-1.9-2.1-2.2-1.7-1.8-1.6-1.6-2.3-2.1-2.2-2.2-1.063-1.08-1.078-0.979-1.488-3.387-6.645-1.889
Percentage of NetIncomeLoss-1.2-1.5-2.1-1.9-4.8-1.9-1.8-1.3-1.2-1.2-1.4-1.5-1.6-2.1-0.7-1.4-1.5-1.9-1.5-1.5-1.4-1.5-2.2-1.6-1.9-2.4-1.1-1.0-1.1-1.1-0.7-4.0-10.3-3.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.1-0.1-0.2-0.2-0.2-0.2-0.1-0.1-0.1-0.1-0.2-0.2-0.2-0.2-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.2-0.1-0.2-0.2-0.1-0.1-0.1-0.1-0.1-0.4-0.8-0.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312015-09-30
Value20716612313956141136179193186204206186140268139143117110119104127
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.09.27.28.23.78.37.910.311.010.811.711.410.68.316.08.59.07.67.58.07.58.7

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value8.5116.26.07.7105.95.9116.96.16.75.65.15.25.25.64.64.74.74.75.64.54.64.94.23.9524.0474.0133.5884.8053.1823.1373.6373.212.7463.1372.5942.5452.4872.9541.751.6031.6152.5521.236
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-132.7-87.5-170.2-127.1-51.8-77.0-278.3-95.5-92.7-80.1-202.9-131.8-166.3-107.2-381.5-86.7-83.1-57.8-186.9-455.0-72.2-55.5-95.3-78.9-66.3-57.6-167.516-112.273-117.709-53.602-1278.889-49.666-53.893-28.96-33.964-24.64922-71.739-89.018-82.944-111.716-66.487-89.622-74.725-92.705-64.262
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-7.1-4.8-9.9-7.5-3.4-4.5-16.2-5.5-5.3-4.6-11.6-7.3-9.4-6.3-22.7-5.3-5.2-3.8-12.7-30.7-5.1-4.0-6.9-5.4-4.6-4.0-11.7-7.4-8.0-3.7-101.1-5.9-6.7-3.8-4.6-3.43.2-10.7-13.6-12.4-16.8-10.6-14.3-11.6-15.1-11.7

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value13185167102807013592927814713016510811686815786666852967686551651069750104495327342534346569806489759263
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-106.7-95.3-75.4-75.3-85.7-75.2-109.7-75.4-82.7-75.0-75.0-75.0-67.5-209.8-44.9-61.5-71.4-91.6-66.6304-56.6-157.4-128.0-135.4-92.6-49.2-41.327-117.972-90.85-100.951885-60.927-31.357-6.163-51.943-451.332293-35.50296-67.754-43.35-21.005-25.521-36.423-17.465-13.368
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-5.7-5.3-4.4-4.4-5.6-4.4-6.4-4.3-4.7-4.3-4.3-4.1-3.8-12.4-2.7-3.7-4.5-6.0-4.520.5-4.0-11.2-9.2-9.2-6.4-3.5-2.9-7.8-6.2-7.170.0-7.2-3.9-0.8-7.1-62.441.1-5.314.8-10.1-6.5-3.3-4.1-5.7-2.8-2.4

Payments Of Dividends Common Stock

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsOfDividendsCommonStock


Payments
Period End2021-06-152021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-01-122018-03-312017-12-312017-09-302017-07-312017-06-302017-04-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value959594757474747474747474745959595959595959595951515353535439393939393939300.0492424191920201515151515
Percentage of PaymentsOfDividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfDividendsCommonStock us-gaap:SubsequentEventType

us-gaap:SubsequentEvent


Payments
Period End2021-04-152021-01-152020-10-152020-07-152020-04-152020-01-152019-10-152019-07-152019-04-152019-01-152018-10-152018-07-132018-04-132017-04-302017-01-132016-10-142016-07-152016-04-152016-01-152015-10-152015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value9594747474747474747474745959595951515353535439393939
Percentage of PaymentsOfDividendsCommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.0100.00.00.00.00.00.00.0100.0100.0100.0100.0100.1100.0

Effective Income Tax Rate Continuing Operations

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:EffectiveIncomeTaxRateContinuingOperations


Effective
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-31
Value24.524.225.00.3820.2550.2490.2440.2510.2460.2390.2490.3590.3140.3450.3480.3480.348-0.354-0.350.3420.3680.3730.3570.3530.3440.356
Percentage of EffectiveIncomeTaxRateContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value379340285239334347646635220227235
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 End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value218247204194301300312276117278276
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value5.24.84.64.85.25.84.45.421111111129.041
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 End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value500000.03000000.03100000.03100000.05200000.05100000.01700000.02715000.00
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0100.00.0

pkg:AdjustmentOfAssetRetirementObligation us-gaap:RestructuringPlan, us-gaap:StatementBusinessSegments

pkg:AdjustmentOfAssetRetirementObligation

pkg:SanLorenzoCalifornia, pkg:CorrugatedProductsFacilities


Adjustment
Period End2021-06-30
Value4700000.0
Percentage of AdjustmentOfAssetRetirementObligation100.0

pkg:BusinessExitAndOtherCosts

pkg:BusinessExitAndOtherCosts


Business
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-5.52.12.49999999999999822.9130.40.01.50.00.14.00.90.50.8
Percentage of BusinessExitAndOtherCosts100.0100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0

pkg:CommonStockWithheldToCoverTaxesOnVestedAndRetiredStockAwardsValue

pkg:CommonStockWithheldToCoverTaxesOnVestedAndRetiredStockAwardsValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value100.10.00.1100.00.10.37.70.00.37.6
Percentage of CommonStockWithheldToCoverTaxesOnVestedAndRetiredStockAwardsValue100.0100.00.0100.0100.00.0100.0100.0100.00.0100.0100.0

pkg:CommonStockWithheldToCoverTaxesOnVestedAndRetiredStockAwardsValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Common
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value0.60.00.00.80.00.00.00.60.00.00.4
Percentage of CommonStockWithheldToCoverTaxesOnVestedAndRetiredStockAwardsValue5.80.00.07.70.00.00.07.80.00.05.3

us-gaap:CommonStock


Common
Period End2021-06-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value0.10.00.00.00.00.00.00.00.0
Percentage of CommonStockWithheldToCoverTaxesOnVestedAndRetiredStockAwardsValue1.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value9.70.10.00.19.60.00.10.37.10.00.37.2
Percentage of CommonStockWithheldToCoverTaxesOnVestedAndRetiredStockAwardsValue93.3100.00.0100.092.30.0100.0100.092.20.0100.094.7

pkg:CommonStockWithheldToCoverTaxesOnVestedStockAwards us-gaap:StatementEquityComponents

pkg:CommonStockWithheldToCoverTaxesOnVestedStockAwards

us-gaap:CommonStock


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value76000.01000.001000.0106000.01000.004000.083000.002000.067000.0
Percentage of CommonStockWithheldToCoverTaxesOnVestedStockAwards100.0100.00.0100.0100.0100.00.0100.0100.00.0100.0100.0

pkg:DepreciationDepletionAmortizationAndOtherCashFlowImpact

pkg:DepreciationDepletionAmortizationAndOtherCashFlowImpact


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value104100100100108100989795949710110410810797939293888788908988959410710386
Percentage of DepreciationDepletionAmortizationAndOtherCashFlowImpact100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

pkg:HighStockPricePerShare

pkg:HighStockPricePerShare


High
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
Value138.95114.32112.8112.89114.78109.37103.8101.84110.62118.88124.7131.13121.38119.43113.5296.8788.4182.7771.3162.6770.0473.678.9884.8880.1472.8272.7475.164.3961.3250.7844.9338.6736.6829.830.6227.1629.1929.8830.6927.0825.526.4825.83
Percentage of HighStockPricePerShare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

pkg:IncrementalOutOfPocketCosts us-gaap:StatementBusinessSegments, us-gaap:UnusualRiskOrUncertaintyByNature

pkg:IncrementalOutOfPocketCosts

pkg:PackagingAndPaper, pkg:CovidNineteen


Incremental
Period End2020-12-312020-09-302020-06-302020-03-31
Value-600000.006100000.06100000.0
Percentage of IncrementalOutOfPocketCosts100.00.0100.0100.0

pkg:LossFromCatastrophesAfterTax us-gaap:RestructuringPlan, us-gaap:UnusualRiskOrUncertaintyByNature

pkg:LossFromCatastrophesAfterTax

pkg:DeridderLouisianaMill, pkg:HurricaneLaura


Loss
Period End2020-09-30
Value7600000.0
Percentage of LossFromCatastrophesAfterTax100.0

pkg:LossFromCatastrophesIncomeLossPerShareDiluted us-gaap:RestructuringPlan, us-gaap:UnusualRiskOrUncertaintyByNature

pkg:LossFromCatastrophesIncomeLossPerShareDiluted

pkg:DeridderLouisianaMill, pkg:HurricaneLaura


Loss
Period End2020-09-30
Value0.08
Percentage of LossFromCatastrophesIncomeLossPerShareDiluted100.0

pkg:LowStockPricePerShare

pkg:LowStockPricePerShare


Low
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
Value106.0892.0280.1771.05100.5496.387.8581.8777.9107.39107.96109.04108.49105.8189.7384.0178.0365.1258.4444.3259.5458.2962.4873.0357.0663.1165.061.3555.6648.4542.3637.8633.8927.5925.7724.8221.7521.0526.2625.9622.6821.1920.020.63
Percentage of LowStockPricePerShare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

pkg:NonOperatingPensionIncomeExpense

pkg:NonOperatingPensionIncomeExpense


Non
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value5000000.04800000.0600000.0600000.0600000.0600000.0-1900000.0-1900000.0-2000000.0-2000000.0
Percentage of NonOperatingPensionIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

pkg:OtherComprehensiveIncomeAmortizationOfDefinedBenefitPlanNetPriorServiceCostAndNetLossRecognizedInNetPeriodicPensionCostTax

pkg:OtherComprehensiveIncomeAmortizationOfDefinedBenefitPlanNetPriorServiceCostAndNetLossRecognizedInNetPeriodicPensionCostTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value800000.0800000.0900000.0900000.0900000.0900000.0800000.0800000.0800000.0800000.01000000.01000000.01000000.01000000.01200000.01200000.01200000.01200000.0-7300000.0-1000000.0-1600000.0-1000000.0-1400000.0-1400000.0-1400000.0-1400000.0-643000.0-685000.0-688000.0-784000.0-926000.0-2153000.0-4221000.0-1201000.0
Percentage of OtherComprehensiveIncomeAmortizationOfDefinedBenefitPlanNetPriorServiceCostAndNetLossRecognizedInNetPeriodicPensionCostTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

pkg:PensionAndPostretirementBenefitsContributionsExpenseNet

pkg:PensionAndPostretirementBenefitsContributionsExpenseNet


Pension
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value0.10.2-4.7672.1-1.0-3.541-4.0-7.3-5.811-5.1-3.9-4.930-3.8-1.1-3.042-2.3-6.4-7.2-8.4-7.9-7.7-6.17-6.573-6.502-6.155-7.92517-17.903-10.12-9.46214-1.485-5.42-3.107
Percentage of PensionAndPostretirementBenefitsContributionsExpenseNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

pkg:RestructuringAndRelatedCostAfterTax us-gaap:StatementBusinessSegments

pkg:RestructuringAndRelatedCostAfterTax

pkg:PackagingAndPaper


Restructuring
Period End2020-12-312020-09-302020-06-30
Value3.02.515
Percentage of RestructuringAndRelatedCostAfterTax100.0100.0100.0

pkg:RestructuringAndRelatedCostIncomeLossPerShareDiluted us-gaap:StatementBusinessSegments

pkg:RestructuringAndRelatedCostIncomeLossPerShareDiluted

pkg:PackagingAndPaper


Restructuring
Period End2020-12-312020-09-302020-06-30
Value0.030.030.16
Percentage of RestructuringAndRelatedCostIncomeLossPerShareDiluted100.0100.0100.0

pkg:UnrealizedGainOnSecurities1

pkg:UnrealizedGainOnSecurities1


Unrealized
Period End2021-06-302021-03-312020-12-312020-09-30
Value-100000.0300000.0-200000.0-300000.0
Percentage of UnrealizedGainOnSecurities1100.0100.0100.0100.0

pkg:UnrealizedGainOnSecurities1 us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel1


Unrealized
Period End2021-06-302021-03-312020-12-312020-09-30
Value0100000.00-100000.0
Percentage of UnrealizedGainOnSecurities1-0.033.3-0.033.3

us-gaap:FairValueInputsLevel2


Unrealized
Period End2021-06-302021-03-312020-12-312020-09-30
Value-100000.0200000.0-200000.0-200000.0
Percentage of UnrealizedGainOnSecurities1100.066.7100.066.7

pkg:UnrealizedGainOnSecurities1 us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument

us-gaap:FairValueInputsLevel2, us-gaap:CorporateDebtSecurities


Unrealized
Period End2021-06-302021-03-312020-12-312020-09-30
Value-100000.0200000.0-200000.0-200000.0
Percentage of UnrealizedGainOnSecurities1100.066.7100.066.7

pkg:UnrealizedGainOnSecurities1 us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:InvestmentType

us-gaap:FairValueInputsLevel1, us-gaap:USTreasurySecurities


Unrealized
Period End2021-06-302021-03-312020-12-312020-09-30
Value0100000.00-100000.0
Percentage of UnrealizedGainOnSecurities1-0.033.3-0.033.3

us-gaap:AdjustmentsToAdditionalPaidInCapitalOther

us-gaap:AdjustmentsToAdditionalPaidInCapitalOther


Adjustments
Period End2021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value-100000.00-100000.000-200000.0300000.000
Percentage of AdjustmentsToAdditionalPaidInCapitalOther100.00.0100.00.00.0100.0100.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalOther us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Adjustments
Period End2021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value-100000.00-100000.000-200000.0400000.00-200000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalOther100.00.0100.00.00.0100.0133.30.00.0

us-gaap:AllocatedShareBasedCompensationExpenseNetOfTax

us-gaap:AllocatedShareBasedCompensationExpenseNetOfTax


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
Value6.38.74.64.55.87.64.54.48.75.24.65.04.23.83.23.23.52.82.83.02.93.42.72.83.02.62.3822.4752.4512.1922.9451.9451.9182.2241.9631.6781.9181.585-10.3451.5191.8051.069
Percentage of AllocatedShareBasedCompensationExpenseNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AmortizationOfDeferredCharges

us-gaap:AmortizationOfDeferredCharges


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0.60.70.70.60.70.6162.22.12.22.12.12.12.34.02.02.02.02.02.01.91.92.02.01.91.9
Percentage of AmortizationOfDeferredCharges100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalExpendituresIncurredButNotYetPaid

us-gaap:CapitalExpendituresIncurredButNotYetPaid


Capital
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-6.447-12.75.2-7.435-3.53.3-7.334-21.5-1.4-7.655-0.611-11.430-7.3-13.03.729-16.1-0.3-20.051
Percentage of CapitalExpendituresIncurredButNotYetPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockDividendsPerShareDeclared

us-gaap:CommonStockDividendsPerShareDeclared


Common
Period End2021-06-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-132016-12-312016-08-312016-08-302016-09-302016-06-302016-02-252016-03-312015-12-152015-12-312015-08-272015-09-302015-05-132015-06-302015-02-262015-03-312014-12-092014-12-312014-08-282014-09-302014-05-142014-06-302014-02-272014-03-312013-12-122013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.00.790.790.790.790.790.790.790.790.790.630.630.630.630.630.630.632.522.20.630.550.550.550.550.550.550.550.550.550.550.550.40.40.40.40.40.40.40.40.40.40.40.40.31250.250.250.250.250.20.20.20.20.150.150.150.15
Percentage of CommonStockDividendsPerShareDeclared100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:ConcentrationRiskPercentage1

pkg:OfficeDepot, pkg:NetSalesRevenueGoods, us-gaap:CustomerConcentrationRisk


Concentration
Period End2021-03-312020-03-312019-03-31
Value4.00.050.07
Percentage of ConcentrationRiskPercentage1100.0100.0100.0

pkg:OfficeDepot, us-gaap:AccountsReceivable, us-gaap:CustomerConcentrationRisk


Concentration
Period End2021-03-312020-03-312019-03-31
Value4.00.060.09
Percentage of ConcentrationRiskPercentage1100.0120.0128.6

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

pkg:OfficeDepot, us-gaap:SalesRevenueSegment, us-gaap:CustomerConcentrationRisk, pkg:Paper


Concentration
Period End2021-03-312020-03-312019-03-312018-03-31
Value45.00.430.520.45
Percentage of ConcentrationRiskPercentage11125.0860.0742.90.0

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-2500000.0-2500000.0-2600000.0-2600000.0-2600000.0-2600000.0-1700000.0-1700000.0-1600000.0-1600000.0-2300000.0-2300000.0-2300000.0-2300000.0-1900000.0-1800000.0-1900000.0-1900000.0-1500000.0-1500000.0-1200000.0-1200000.0-2300000.0-2100000.0-2200000.0-2200000.0-158000.0-181000.0-182000.0-179000.0425000.0-2351000.0-1636000.0-1636000.0
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses us-gaap:RetirementPlanType

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-2500000.0-2500000.0-2700000.0-2700000.0-2700000.0-2700000.0-1700000.0-1700000.0-1700000.0-1700000.0-2400000.0-2300000.0-2300000.0-2300000.0-1900000.0-1900000.0-1900000.0-1900000.0-1500000.0-1500000.0-1400000.0
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses100.0100.0103.8103.8103.8103.8100.0100.0106.2106.2104.3100.0100.0100.0100.0105.6100.0100.0100.0100.0116.7

us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value0.80.80.91.01.01.01.51.51.51.51.61.71.71.71.31.31.41.51.31.31.41.41.41.41.41.41.5481.5841.5841.584130.0571.4541.454
Percentage of DefinedBenefitPlanAmortizationOfPriorServiceCostCredit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit us-gaap:RetirementPlanType

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value1.01.01.01.11.11.11.61.61.61.61.71.81.81.81.41.41.51.51.41.41.4
Percentage of DefinedBenefitPlanAmortizationOfPriorServiceCostCredit125.0125.0111.1110.0110.0110.0106.7106.7106.7106.7106.2105.9105.9105.9107.7107.7107.1100.0107.7107.7100.0

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

us-gaap:DefinedBenefitPlanContributionsByEmployer

us-gaap:QualifiedPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value0.0717.23.93.9493.90.70.6181.02.20.0362.2
Percentage of DefinedBenefitPlanContributionsByEmployer0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value151514141414131313131414141413131313121212
Percentage of DefinedBenefitPlanExpectedReturnOnPlanAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanInterestCost us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanInterestCost

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value7.47.410.09.910.010.0111111111010101010101010101010
Percentage of DefinedBenefitPlanInterestCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value0.50.55.24.95.55.58.28.18.28.26.76.86.76.76.16.06.46.46.97.06.7
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanServiceCost us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanServiceCost

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value5.45.45.75.45.95.96.16.16.26.26.26.36.26.25.75.86.16.16.16.26.1
Percentage of DefinedBenefitPlanServiceCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Depreciation

us-gaap:Depreciation


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value94908989938988878585868991949487838283797980797978858495937666424141
Percentage of Depreciation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStockCash

us-gaap:DividendsCommonStockCash


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value9595957575757575747474747459
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStockCash us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value9595957575757575747474747459
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense

us-gaap:EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense


Employee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value2100000.02900000.01600000.01500000.01900000.02500000.01400000.01500000.03000000.01700000.01500000.01600000.01400000.01300000.02000000.02000000.02100000.01800000.01900000.01800000.01800000.02200000.01800000.01800000.01900000.01600000.01570000.01572000.01562000.01396000.01860000.01237000.01219000.01413000.01247000.01068000.01219000.01009000.0-986000.0-968000.0-1149000.0681000.0-616000.0-630000.0-994000.0
Percentage of EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnDispositionOfAssets

us-gaap:GainLossOnDispositionOfAssets


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-9000000.0-14700000.0-10000000.0-5500000.0-5000000.0-6000000.0-6700000.0-9500000.0-4500000.0-4300000.0-2900000.0-5100000.0-4100000.0-5100000.0-1900000.0-3900000.0-2400000.0-2300000.0-8400000.0-600000.0-1100000.0-1800000.0-4300000.0-5000000.0-3700000.0-1000000.0-3188000.0-2854000.0-2798000.0-1260000.0-3684000.0-3486000.0-3243000.0-2779000.0
Percentage of GainLossOnDispositionOfAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnDispositionOfAssets1

us-gaap:GainLossOnDispositionOfAssets1


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302016-09-302015-09-30
Value-1700000.0-3700000.0-2700000.0-1800000.00-2300000.0-1500000.0-4800000.0-900000.0-1600000.006700000.0
Percentage of GainLossOnDispositionOfAssets1100.0100.0100.0100.00.0100.0100.0100.0100.0100.00.0100.0

us-gaap:GoodwillImpairmentLoss

us-gaap:GoodwillImpairmentLoss


Goodwill
Period End2020-12-312020-09-302020-06-30
Value0.00.055
Percentage of GoodwillImpairmentLoss0.00.0100.0

us-gaap:IncreaseDecreaseInAccruedLiabilities

us-gaap:IncreaseDecreaseInAccruedLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value31-15.8-32.23614-22.0-15.53721-44.0-18.24323-42.9-1.23324-48.5-14.03420-43.5-20.72528-48.8-14.8131-15.6585.883-41.74.881-7.348-10.6427-8.9651.744-22.827-10.4332522-32.299-4.362471.046-33.352
Percentage of IncreaseDecreaseInAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInIncomeTaxesReceivable

us-gaap:IncreaseDecreaseInIncomeTaxesReceivable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value21-27.822-23.49.8-30.216-1.924-30.011-11.7-32.6-20.3492221-39.1-8.91619-42.2260.520-28.812-10.0853.212-23.3128.56
Percentage of IncreaseDecreaseInIncomeTaxesReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1519-6.0-9.3-8.1231.3-15.61.519-11.1-6.02.217-5.1-9.74.615-11.2-16.31313-20.9-8.0204.5-22.7820.385188.677-7.282-6.499113.863-7.752-6.5977.5227.662-4.653-7.5769.3093.536-4.097-8.9113.08813
Percentage of IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements


Incremental
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value400000.0400000.0-100000.0300000.0400000.0400000.00400000.0200000.0300000.00300000.0200000.0200000.00200000.0200000.0200000.0100000.0200000.0100000.0100000.00100000.0100000.0100000.047000.057000.08000.036000.0-8000.0839000.01062000.01001000.01000.0989000.01145000.01131000.010000.01010000.01034000.0
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestPaid

us-gaap:InterestPaid


Interest
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-31
Value7.5407.5427.3607.6387.3387.53812291930182816271526152715279.729106.09.15.9
Percentage of InterestPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LossFromCatastrophes us-gaap:RestructuringPlan, us-gaap:UnusualRiskOrUncertaintyByNature

us-gaap:LossFromCatastrophes

pkg:DeridderLouisianaMill, pkg:HurricaneLaura


Loss
Period End2020-12-312020-09-30
Value010000000.0
Percentage of LossFromCatastrophes0.0100.0

us-gaap:NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent

us-gaap:NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-5000000.0-4800000.0-600000.0-600000.0-600000.0-600000.01900000.01900000.02000000.02000000.0500000.0500000.0500000.0500000.0
Percentage of NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OciBeforeReclassificationsNetOfTaxAttributableToParent

us-gaap:OciBeforeReclassificationsNetOfTaxAttributableToParent


Oci
Period End2021-03-312020-12-312020-09-302020-06-302020-03-31
Value-100000.04800000.0200000.0-900000.0200000.0
Percentage of OciBeforeReclassificationsNetOfTaxAttributableToParent100.0100.0100.0100.0100.0

us-gaap:OciBeforeReclassificationsNetOfTaxAttributableToParent us-gaap:DerivativeInstrumentRisk, us-gaap:StatementEquityComponents

pkg:MarketableDebtSecurities, pkg:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges1


Oci
Period End2021-06-302021-03-312020-12-312020-09-30
Value-100000.0-100000.0800000.0200000.0
Percentage of OciBeforeReclassificationsNetOfTaxAttributableToParent0.0100.016.7100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-03-31
Value0000-6900000.0-300000.0-300000.0-300000.0-300000.0-300000.0-400000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax0.00.00.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312016-09-302016-06-30
Value2.42.46.42.53.62.5-30.73.43.33.36.34.04.03.9-25.92.92.8-25.42.75.5
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value2.52.52.62.72.72.72.52.42.32.32.93.03.03.02.01.92.12.21.71.81.61.62.32.12.22.21.0631.081.0780.9791.4793.3876.6451.8891.6841.6721.672
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value-100000.0-100000.0-200000.0-200000.0900000.0-200000.0
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value00-100000.0100000.0300000.0100000.00000
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax0.00.0100.0100.0100.0100.00.00.00.00.0

us-gaap:OtherOperatingActivitiesCashFlowStatement

us-gaap:OtherOperatingActivitiesCashFlowStatement


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value0.53.7-0.64.78.65.5-4.80.94.54.2-1.14.44.8-1.0-9.0112.5-1.8-9.6-0.52.12.1-10.6-5.61.3-5.4-5.0874.289-2.892.788-0.5120.465-1.6820.7210.264-10.2451.4135.478-1.009-9.153-0.095.491
Percentage of OtherOperatingActivitiesCashFlowStatement100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherOperatingIncomeExpenseNet

us-gaap:OtherOperatingIncomeExpenseNet


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value-2000000.0-3100000.0-1300000.0-400000.0100000.0-3600000.0-3900000.0-2200000.0700000.0-1300000.0-2700000.0400000.0-2000000.0-2400000.04700000.0600000.0-200000.0-1200000.0-20800000.0-2000000.0-1400000.0-3900000.0-3800000.03800000.0-4200000.0-2600000.0-13296000.0-12310000.0-7712000.0-23982000.0-37947000.0-6242000.0-10828000.0-3961000.0-3603000.0-1961000.0-3646000.0-2579000.0-1263000.0-1229000.0
Percentage of OtherOperatingIncomeExpenseNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic

us-gaap:ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic


Participating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value1800000.01300000.0900000.01000000.0500000.01200000.01000000.01300000.01500000.01400000.01600000.01600000.01400000.01100000.02200000.01100000.01200000.01000000.01000000.01100000.01200000.01100000.01200000.01500000.01400000.01200000.01319000.01451000.01514000.01400000.0000
Percentage of ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation


Payments
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value100.10.00.10.10.40.00.27.60.10.10.210.00.51.00.18.02.11.30.07.10.31.1490.2929.3642.3950.0829.5650.01.308
Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:PaymentsToAcquireMarketableSecurities

us-gaap:PaymentsToAcquireMarketableSecurities


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value3431109-19.90.020
Percentage of PaymentsToAcquireMarketableSecurities100.0100.0100.0100.00.0100.0

us-gaap:PaymentsToAcquireOtherProductiveAssets

us-gaap:PaymentsToAcquireOtherProductiveAssets


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.31.30.21.12.42.7-0.72.70.51.30.41.40.81.90.91.42.62.91.03.23.32.93.13.13.52.60.8835.6683.2032.7460.6750.2630.4661.73-0.111-0.420.1951.4062.0824.4434.4852.0450.5080.4080.5311.18
Percentage of PaymentsToAcquireOtherProductiveAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities


Proceeds
Period End2021-06-302021-03-312020-06-302020-03-31
Value30182110
Percentage of ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt


Proceeds
Period End2021-06-302021-03-312020-06-302020-03-31
Value1.5116.06.3
Percentage of ProceedsFromSaleOfAvailableForSaleSecuritiesDebt100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfProductiveAssets

us-gaap:ProceedsFromSaleOfProductiveAssets


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-06-302016-03-31
Value1.70.70.20.14.20.12.70.21.00.00.40.1121.51.21.70.30.0
Percentage of ProceedsFromSaleOfProductiveAssets100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent

us-gaap:ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent


Reclassification
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-2500000.0-2600000.0-2700000.0-2700000.0-2700000.0-9800000.0-3400000.0-3300000.0-3300000.0
Percentage of ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-2500000.0-2500000.0-2600000.0-2700000.0-2700000.0-2700000.0-2400000.0-2400000.0-2400000.0-2300000.0
Percentage of ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent0.0100.0100.0100.0100.0100.024.570.672.769.7

us-gaap:RelatedPartiesAmountInCostOfSales us-gaap:ProductOrService, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:RelatedPartiesAmountInCostOfSales

pkg:Fiber, us-gaap:CoVenturer


Related
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value2020181513221921212017222220202021234.03.94.54.74.45.05.06.37.47.07.17.23.7
Percentage of RelatedPartiesAmountInCostOfSales100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

pkg:WoodProductsIncludingChipsAndLogs, us-gaap:CoVenturer


Related
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value3.43.33.12.82.54.23.64.44.44.44.04.14.74.03.04.04.65.04.03.9
Percentage of RelatedPartiesAmountInCostOfSales16.416.316.717.918.118.618.920.620.622.022.718.320.819.514.719.221.221.3100.0100.0

us-gaap:RepaymentsOfDebtAndCapitalLeaseObligations

us-gaap:RepaymentsOfDebtAndCapitalLeaseObligations


Repayments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.40.40.40.30.40.49220.40.40.30.30.30.4150
Percentage of RepaymentsOfDebtAndCapitalLeaseObligations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestructuringCharges us-gaap:RestructuringPlan, us-gaap:StatementBusinessSegments

us-gaap:RestructuringCharges

pkg:JacksonAlabamaMill, pkg:PackagingAndPaper


Restructuring
Period End2021-03-31
Value1.1
Percentage of RestructuringCharges100.0

pkg:JacksonAlabamaMill, pkg:Paper


Restructuring
Period End2021-06-30
Value3.8
Percentage of RestructuringCharges0.0

us-gaap:RestructuringCharges us-gaap:StatementBusinessSegments

pkg:PackagingAndPaper


Restructuring
Period End2021-03-312020-12-312020-09-302020-06-302020-03-31
Value2.14.03.3200.4
Percentage of RestructuringCharges190.90.00.00.00.0

us-gaap:RestructuringReserveAcceleratedDepreciation

us-gaap:RestructuringReserveAcceleratedDepreciation


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value1.60.51.60.32.60.00.10.00.00.20.50.55.28.38.20.40.30.10.00.00.09.06.618151.3
Percentage of RestructuringReserveAcceleratedDepreciation100.0100.0100.0100.0100.00.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0100.0100.0100.0100.0100.0

us-gaap:RestructuringSettlementAndImpairmentProvisions us-gaap:RestructuringPlan

us-gaap:RestructuringSettlementAndImpairmentProvisions

pkg:JacksonAlabamaMill


Restructuring
Period End2021-06-302021-03-31
Value2.40.5
Percentage of RestructuringSettlementAndImpairmentProvisions100.0100.0

us-gaap:RevenueFromRelatedParties us-gaap:ProductOrService, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:RevenueFromRelatedParties

pkg:Fiber, us-gaap:CoVenturer


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value20201815132219212120172222202020212332151722182523211821181610
Percentage of RevenueFromRelatedParties100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue

us-gaap:RestrictedStock


Share
Period End2021-06-302021-03-312020-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value8.02101.050.210.183.340.9264.590.912.03-2.7759.460.10.53-5.471.19-1.6935.3
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

pkg:PerformanceUnits


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-09-302014-06-302014-03-31
Value0140.470.0402.5396.63000.02000108.1900067.5700.01-0.14071.190
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.0100.0100.00.0100.0100.00.00.0100.00.00.00.0100.00.00.00.0100.00.0100.0100.00.0100.00.0

us-gaap:RestrictedStock


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312014-09-302014-06-302014-03-31
Value0.56133.5400-0.0394.280.0300000107.570005.1362.350-0.09004.9565.29
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.095.10.00.0-1.297.60.00.00.00.00.00.099.40.00.00.07.60.00.064.30.00.07.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue

pkg:PerformanceUnits


Share
Period End2020-12-312020-09-302019-12-312019-09-302018-12-312018-09-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-31
Value-3.24000-3.2700056.08000057.5871.19000000
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue100.00.00.00.0100.00.00.00.0100.00.00.00.00.0100.0100.00.00.00.00.00.00.0

us-gaap:RestrictedStock


Share
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-09-302018-12-312018-09-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value6.08102.720.020.270.380.595.560.03-0.170.49-16.5967.640.920.55-13.4146.053.360.04-24.2953.662.430.09-5.2629.03
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue0.00.0-0.60.00.00.0-170.00.00.00.0-29.60.00.00.00.080.04.70.00.00.00.00.00.00.0

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensationGross us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensationGross

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value61000.0165000.0567000.03000.0-93000.0-194000.0495000.02000.0-255000.03000.0432000.01000.0-219000.02000.0
Percentage of StockIssuedDuringPeriodSharesShareBasedCompensationGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:VariableInterestEntityOwnershipPercentage dei:LegalEntity

us-gaap:VariableInterestEntityOwnershipPercentage

pkg:PackagingCorporationOfAmerica


Variable
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value050.0049.500.5000.50.50000.500
Percentage of VariableInterestEntityOwnershipPercentage0.0100.00.0100.00.0100.00.00.0100.0100.00.00.00.0100.00.00.0

us-gaap:VariableInterestEntityOwnershipPercentage us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:CoVenturer


Variable
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value050.0049.500.5000.50.50000.50000.50000.50000.500
Percentage of VariableInterestEntityOwnershipPercentage0.0100.00.0100.00.0100.00.00.0100.0100.00.00.00.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

pkg:AccrualForFranchisePropertySalesAndUseTaxesCurrent

pkg:AccrualForFranchisePropertySalesAndUseTaxesCurrent


Accrual
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312011-12-312010-12-31
Value242016252219152521171321181516221815161917151623181617272119209.3378.7119.218
Percentage of AccrualForFranchisePropertySalesAndUseTaxesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

pkg:AccruedMedicalInsuranceAndWorkersCompensationCurrent

pkg:AccruedMedicalInsuranceAndWorkersCompensationCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value252625252526262627262727262523282928
Percentage of AccruedMedicalInsuranceAndWorkersCompensationCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

pkg:AllowanceForDoubtfulAccountsReceivableAndReserveForCustomerDeductionsCurrent

pkg:AllowanceForDoubtfulAccountsReceivableAndReserveForCustomerDeductionsCurrent


Allowance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value131210121213121312131314131312111010109.49.710.01012121211121111106.7955.7825.8275.3535.4945.1085.3145.0345.3834.4984.9845.4136.348
Percentage of AllowanceForDoubtfulAccountsReceivableAndReserveForCustomerDeductionsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

pkg:CapitalCommitments

pkg:CapitalCommitments


Capital
Period End2020-12-312019-12-312018-12-312017-12-312017-12-132016-12-312015-12-312014-12-312013-12-312012-12-31
Value30421211228128194839415127
Percentage of CapitalCommitments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

pkg:CapitalLossCarryforwards us-gaap:IncomeTaxAuthority

pkg:CapitalLossCarryforwards

pkg:DomesticAndForeignTaxAuthority


Capital
Period End2020-12-312019-12-312018-12-312017-12-31
Value500000.03100000.03200000.03100000.0
Percentage of CapitalLossCarryforwards100.0100.0100.0100.0

pkg:CapitalLossCarryforwards us-gaap:IncomeTaxAuthority, us-gaap:TaxPeriod

pkg:DomesticAndForeignTaxAuthority, pkg:Next10YearsMember


Capital
Period End2020-12-312019-12-312018-12-312017-12-31
Value400000.03000000.03100000.03000000.0
Percentage of CapitalLossCarryforwards80.096.896.996.8

pkg:CapitalizedPaymentsUnderTimberCuttingRightsLeases us-gaap:BalanceSheetLocation

pkg:CapitalizedPaymentsUnderTimberCuttingRightsLeases

us-gaap:OtherNoncurrentAssets


Capitalized
Period End2020-12-312019-12-312018-12-31
Value202122
Percentage of CapitalizedPaymentsUnderTimberCuttingRightsLeases100.0100.0100.0

pkg:CloudComputingArrangements

pkg:CloudComputingArrangements


Cloud
Period End2020-12-31
Value4000000.0
Percentage of CloudComputingArrangements100.0

pkg:DeferredTaxAssetsLeaseObligations

pkg:DeferredTaxAssetsLeaseObligations


Deferred
Period End2020-12-312019-12-31
Value6059
Percentage of DeferredTaxAssetsLeaseObligations100.0100.0

pkg:DeferredTaxLiabilitiesRightOfUseAssets

pkg:DeferredTaxLiabilitiesRightOfUseAssets


Deferred
Period End2020-12-312019-12-31
Value5958
Percentage of DeferredTaxLiabilitiesRightOfUseAssets100.0100.0

pkg:InvestmentCommitment us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:FairValueByFairValueHierarchyLevel

pkg:InvestmentCommitment

us-gaap:PrivateEquityFunds, us-gaap:FairValueInputsLevel3


Investment
Period End2020-12-31
Value15
Percentage of InvestmentCommitment100.0

pkg:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFiveAndThereafter

pkg:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFiveAndThereafter


Long
Period End2020-12-31
Value1400
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFiveAndThereafter100.0

pkg:OperatingLossCarryforwardsCapitalLossCarryforwardsAndTaxCreditCarryforwards

pkg:OperatingLossCarryforwardsCapitalLossCarryforwardsAndTaxCreditCarryforwards


Operating
Period End2020-12-312019-12-312018-12-312017-12-31
Value27343741
Percentage of OperatingLossCarryforwardsCapitalLossCarryforwardsAndTaxCreditCarryforwards100.0100.0100.0100.0

pkg:OperatingLossCarryforwardsCapitalLossCarryforwardsAndTaxCreditCarryforwards us-gaap:TaxPeriod

pkg:Next10YearsMember


Operating
Period End2020-12-312019-12-312018-12-312017-12-31
Value2733334.4
Percentage of OperatingLossCarryforwardsCapitalLossCarryforwardsAndTaxCreditCarryforwards98.699.188.910.7

pkg:Years11through20


Operating
Period End2020-12-312019-12-312018-12-312017-12-31
Value0.30.24.136
Percentage of OperatingLossCarryforwardsCapitalLossCarryforwardsAndTaxCreditCarryforwards1.10.610.989.1

pkg:PercentageOfHourlyEmployeesRepresentedByUnions

pkg:PercentageOfHourlyEmployeesRepresentedByUnions


Percentage
Period End2020-12-312012-12-312011-12-31
Value62.00.750.75
Percentage of PercentageOfHourlyEmployeesRepresentedByUnions100.0100.0100.0

pkg:UnfundedPortionOfInvestmentCommitment us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:FairValueByFairValueHierarchyLevel

pkg:UnfundedPortionOfInvestmentCommitment

us-gaap:PrivateEquityFunds, us-gaap:FairValueInputsLevel3


Unfunded
Period End2020-12-31
Value2000000.0
Percentage of UnfundedPortionOfInvestmentCommitment100.0

us-gaap:AccrualForEnvironmentalLossContingencies

us-gaap:AccrualForEnvironmentalLossContingencies


Accrual
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value2324273125243534
Percentage of AccrualForEnvironmentalLossContingencies100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccrualForEnvironmentalLossContingencies us-gaap:BalanceSheetLocation

pkg:OtherLongTermLiabilities


Accrual
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value1919222718162826
Percentage of AccrualForEnvironmentalLossContingencies80.577.281.787.374.767.579.977.1

us-gaap:AccrualForEnvironmentalLossContingencies us-gaap:EnvironmentalRemediationContingency

pkg:AssetRetirementObligation


Accrual
Period End2020-12-312019-12-312018-12-312017-12-31
Value15151824
Percentage of AccrualForEnvironmentalLossContingencies65.763.867.076.2

pkg:EnvironmentalContingencies


Accrual
Period End2020-12-312019-12-312018-12-312017-12-31
Value8.18.99.07.5
Percentage of AccrualForEnvironmentalLossContingencies34.336.233.023.8

us-gaap:AccruedEmployeeBenefitsCurrent

us-gaap:AccruedEmployeeBenefitsCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value131911261301088512412110681136131109781271199973120114886410610997781301361268613071
Percentage of AccruedEmployeeBenefitsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedEnvironmentalLossContingenciesCurrent

us-gaap:AccruedEnvironmentalLossContingenciesCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value4900000.04800000.04600000.05000000.04800000.05100000.05600000.05300000.05000000.05300000.05000000.04700000.04400000.04400000.04000000.04200000.04500000.05900000.06400000.07100000.07400000.09200000.07900000.09100000.08800000.09200000.07100000.06829000.07465000.05938000.07812000.0
Percentage of AccruedEnvironmentalLossContingenciesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedMarketingCostsCurrent

us-gaap:AccruedMarketingCostsCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312011-12-312010-12-31
Value30262727252427272218252118162321181418201611151413101312119.29511131817
Percentage of AccruedMarketingCostsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivable

us-gaap:AllowanceForDoubtfulAccountsReceivable


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
Value3000000.04200000.04600000.04200000.03800000.03900000.04900000.03900000.01900000.01900000.02500000.0
Percentage of AllowanceForDoubtfulAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetRetirementObligation

us-gaap:AssetRetirementObligation


Asset
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
Value31273035282637325.1455.0954.8844.521
Percentage of AssetRetirementObligation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtSecuritiesCurrent

us-gaap:AvailableForSaleSecuritiesDebtSecuritiesCurrent


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value101102105101869287
Percentage of AvailableForSaleSecuritiesDebtSecuritiesCurrent100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtSecuritiesCurrent us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel1


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value19221814171311
Percentage of AvailableForSaleSecuritiesDebtSecuritiesCurrent19.422.017.914.419.915.013.1

us-gaap:FairValueInputsLevel2


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value82808686697876
Percentage of AvailableForSaleSecuritiesDebtSecuritiesCurrent80.678.082.185.680.185.086.9

us-gaap:AvailableForSaleSecuritiesDebtSecuritiesCurrent us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument

us-gaap:FairValueInputsLevel2, us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value69697782656964
Percentage of AvailableForSaleSecuritiesDebtSecuritiesCurrent68.167.373.081.575.875.673.5

us-gaap:FairValueInputsLevel2, us-gaap:USGovernmentAgenciesDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value4.22.62.63.63.03.03.0
Percentage of AvailableForSaleSecuritiesDebtSecuritiesCurrent4.12.52.53.63.53.33.4

us-gaap:AvailableForSaleSecuritiesDebtSecuritiesCurrent us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:InvestmentType

us-gaap:FairValueInputsLevel1, us-gaap:USTreasurySecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value19221814171311
Percentage of AvailableForSaleSecuritiesDebtSecuritiesCurrent19.422.017.914.419.915.013.1

us-gaap:FairValueInputsLevel2, us-gaap:CertificatesOfDeposit


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value8.56.14.80.50.73.93.9
Percentage of AvailableForSaleSecuritiesDebtSecuritiesCurrent8.46.04.50.50.84.24.4

us-gaap:FairValueInputsLevel2, us-gaap:CommercialPaper


Available
Period End2021-03-312020-12-312020-03-312019-12-31
Value2.32.21.84.9
Percentage of AvailableForSaleSecuritiesDebtSecuritiesCurrent2.22.12.05.6

us-gaap:AvailableForSaleSecuritiesDebtSecuritiesNoncurrent

us-gaap:AvailableForSaleSecuritiesDebtSecuritiesNoncurrent


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value49474245365758
Percentage of AvailableForSaleSecuritiesDebtSecuritiesNoncurrent100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtSecuritiesNoncurrent us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel1


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value9.06.59.411101612
Percentage of AvailableForSaleSecuritiesDebtSecuritiesNoncurrent18.013.822.025.429.829.421.5

us-gaap:FairValueInputsLevel2


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value40403333254045
Percentage of AvailableForSaleSecuritiesDebtSecuritiesNoncurrent82.086.278.074.670.270.678.5

us-gaap:AvailableForSaleSecuritiesDebtSecuritiesNoncurrent us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument

us-gaap:FairValueInputsLevel2, us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value37362929223741
Percentage of AvailableForSaleSecuritiesDebtSecuritiesNoncurrent74.576.668.664.663.166.071.6

us-gaap:FairValueInputsLevel2, us-gaap:USGovernmentAgenciesDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value3.74.54.04.52.62.64.0
Percentage of AvailableForSaleSecuritiesDebtSecuritiesNoncurrent7.49.69.410.07.24.66.9

us-gaap:AvailableForSaleSecuritiesDebtSecuritiesNoncurrent us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:InvestmentType

us-gaap:FairValueInputsLevel1, us-gaap:USTreasurySecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value9.06.59.411101612
Percentage of AvailableForSaleSecuritiesDebtSecuritiesNoncurrent18.013.822.025.429.829.421.5

us-gaap:CapitalizedComputerSoftwareNet us-gaap:BalanceSheetLocation

us-gaap:CapitalizedComputerSoftwareNet

us-gaap:OtherNoncurrentAssets


Capitalized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value4800000.01400000.01600000.03300000.04500000.06900000.0
Percentage of CapitalizedComputerSoftwareNet100.0100.0100.0100.0100.0100.0

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312016-12-31
Value972983974949853764679738569442361293216239
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashEquivalentsAtCarryingValue

us-gaap:CashEquivalentsAtCarryingValue


Cash
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value66241031116017814079156203
Percentage of CashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:DebtInstrumentUnamortizedDiscount

pkg:A4Point50SeniorNotesDueNovember2023, us-gaap:SeniorNotes


Debt
Period End2021-06-302020-12-312019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value500000.0600000.0800000.01000000.01100000.01100000.01100000.01200000.01400000.0
Percentage of DebtInstrumentUnamortizedDiscount100.0100.0100.0100.0100.0100.0100.0100.0100.0

pkg:FourPointZeroFivePercentageSeniorNotesDueDecemberTwoThousandAndFortyNine, us-gaap:SeniorNotes


Debt
Period End2021-06-302020-12-312019-12-31
Value3400000.03400000.03500000.0
Percentage of DebtInstrumentUnamortizedDiscount680.0566.7437.5

pkg:ThreePointFourPercentageSeniorNotesDueDecemberTwoThousandAndTwentySeven, us-gaap:SeniorNotes


Debt
Period End2021-06-302020-12-312019-12-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value1100000.01300000.01300000.01500000.01500000.01600000.01600000.01600000.0
Percentage of DebtInstrumentUnamortizedDiscount220.0216.7162.5150.0136.4145.5145.5133.3

pkg:ThreePointSixFiveSeniorNotesDueSeptemberTwoThousandAndTwentyFour, us-gaap:SeniorNotes


Debt
Period End2021-06-302020-12-312019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value400000.0500000.0600000.0700000.0700000.0800000.0800000.0800000.0900000.0
Percentage of DebtInstrumentUnamortizedDiscount80.083.375.070.063.672.772.766.764.3

pkg:ThreePointZeroPercentageSeniorNotesDueDecemberTwoThousandAndTwentyNine, us-gaap:SeniorNotes


Debt
Period End2021-06-302020-12-312019-12-31
Value600000.0600000.0700000.0
Percentage of DebtInstrumentUnamortizedDiscount120.0100.087.5

us-gaap:DebtInstrumentUnusedBorrowingCapacityAmount us-gaap:LongtermDebtType

us-gaap:DebtInstrumentUnusedBorrowingCapacityAmount

us-gaap:LineOfCredit


Debt
Period End2020-12-31
Value326
Percentage of DebtInstrumentUnusedBorrowingCapacityAmount100.0

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPosition

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPosition


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value466448414.010478
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPosition100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPosition us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value356042394.010263
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPosition75.493.589.295.6100.097.381.0

us-gaap:USGovernmentAgenciesDebtSecurities


Debt
Period End2021-06-302021-03-312020-03-312019-12-31
Value1.30.51.10.8
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPosition2.80.81.01.0

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPosition us-gaap:InvestmentType

us-gaap:CertificatesOfDeposit


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-03-31
Value0.31.21.31.31.7
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPosition0.61.92.73.21.6

us-gaap:CommercialPaper


Debt
Period End2020-12-312019-12-31
Value2.20.8
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPosition4.61.0

us-gaap:USTreasurySecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value9.82.51.70.514
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPosition21.13.93.51.217.9

us-gaap:DebtWeightedAverageInterestRate

us-gaap:DebtWeightedAverageInterestRate


Debt
Period End2020-12-312019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312016-09-302015-12-312014-12-312014-09-302013-12-312012-12-31
Value3.770.03770.03640.03640.03640.03640.0380.03540.03440.03670.03560.03560.03080.0363
Percentage of DebtWeightedAverageInterestRate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtWeightedAverageInterestRate us-gaap:DebtInstrument

pkg:LongTermDebtExcludingCurrentPortion


Debt
Period End2020-12-312019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312014-09-302013-12-31
Value3.770.03770.03640.03640.03640.03640.03640.03570.03670.03560.03560.031
Percentage of DebtWeightedAverageInterestRate100.0100.0100.0100.0100.0100.095.8100.8100.0100.0100.0100.6

us-gaap:DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible

us-gaap:DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible


Decrease
Period End2020-12-31
Value3100000.0
Percentage of DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible100.0

us-gaap:DeferredCompensationArrangementWithIndividualRecordedLiability

us-gaap:DeferredCompensationArrangementWithIndividualRecordedLiability


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value22171413131212123.4
Percentage of DeferredCompensationArrangementWithIndividualRecordedLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredFinanceCostsNet

us-gaap:DeferredFinanceCostsNet


Deferred
Period End2021-06-302020-12-312019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312016-09-302016-06-302016-03-312015-12-312012-12-312011-12-312010-12-31
Value141416121313141512131111125.02.61.3
Percentage of DeferredFinanceCostsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredIncomeTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value597588489433635647646
Percentage of DeferredIncomeTaxLiabilities100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsDerivativeInstruments

us-gaap:DeferredTaxAssetsDerivativeInstruments


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value0.10.14.76.1111316182015
Percentage of DeferredTaxAssetsDerivativeInstruments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsGross


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value218250207197306305314278117
Percentage of DeferredTaxAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsInventory

us-gaap:DeferredTaxAssetsInventory


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312011-12-312010-12-31
Value5.91412159.93.90.06.8094.758
Percentage of DeferredTaxAssetsInventory100.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value273034386773851260.0
Percentage of DeferredTaxAssetsOperatingLossCarryforwards100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsGeneralBusiness

us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsGeneralBusiness


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
Value0.63.23.33.25.35.21.82.6520.0167200
Percentage of DeferredTaxAssetsTaxCreditCarryforwardsGeneralBusiness100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits


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
Value3935372145324427161515
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value709087901361481397565
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value9.611109.011108.98.8758.3898.5967.485
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities


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
Value5.36.11713181819197.3325.2876.538
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssets

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssets


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
Value72706765981011071117.267108.174
Percentage of DeferredTaxLiabilitiesGoodwillAndIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value465459422368537545531519210216225
Percentage of DeferredTaxLiabilitiesPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value15201374116312371116
Percentage of DefinedBenefitPlanAccumulatedBenefitObligation100.0100.0100.0100.0100.0

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us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value-10.4-9.7-10.4-9.3-6.9
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value245263223241205
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax-2357.7-2720.6-2147.1-2593.5-2971.0

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value5500000.04400000.05000000.04000000.01900000.0
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-223500000.0-239200000.0-194600000.0-208500000.0-183900000.0
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax-4063.6-5436.4-3892.0-5212.5-9678.9

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value-4.9-5.3-5.4-5.3-5.0
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value2124283221
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax-442.9-466.0-531.5-617.0-422.0

us-gaap:DefinedBenefitPlanAmountsRecognizedInBalanceSheet us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAmountsRecognizedInBalanceSheet

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value-13100000.0-14500000.0-14600000.0-16500000.0-19500000.0
Percentage of DefinedBenefitPlanAmountsRecognizedInBalanceSheet100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value-264900000.0-346300000.0-331700000.0-345400000.0-328000000.0
Percentage of DefinedBenefitPlanAmountsRecognizedInBalanceSheet2022.12388.32271.92093.31682.1

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value2.60.03180.04210.03550.03910.0435
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate100.0100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value2.570.03250.04310.03660.04240.0451
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate98.8102.2102.4103.1108.4103.7

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value4.00.040.040.040.040.04
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanBenefitObligation us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanBenefitObligation

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value131414161921
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
Value156514201204130011581092
Percentage of DefinedBenefitPlanBenefitObligation11951.19793.88252.77880.05940.55105.1

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value3.44.55.55.4
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value456442421407
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter13417.69833.37661.87553.7

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value0.50.70.81.0
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value56524845
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths11300.07528.66062.54540.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value0.50.70.90.9
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value67645957
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour13400.09157.16644.46333.3

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value0.50.70.81.0
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value63605653
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree12780.08628.67025.05320.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value0.50.70.81.0
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value60565249
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo12040.08100.06537.54930.0

us-gaap:DefinedBenefitPlanFundedStatusOfPlan us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanFundedStatusOfPlan

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value-13100000.0-14500000.0-14600000.0-16500000.0-19500000.0
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-264900000.0-346300000.0-331700000.0-345400000.0-328000000.0
Percentage of DefinedBenefitPlanFundedStatusOfPlan2022.12388.32271.92093.31682.1

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation


Defined
Period End2020-12-31
Value1400
Percentage of DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation100.0

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

us-gaap:DefinedBenefitPlanPlanAssetsInvestmentWithinPlanAssetCategoryAmount

pkg:SecuritiesAtFairValue, us-gaap:FairValueInputsLevel1, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-31
Value198303
Percentage of DefinedBenefitPlanPlanAssetsInvestmentWithinPlanAssetCategoryAmount100.0100.0

pkg:SecuritiesAtFairValue, us-gaap:FairValueInputsLevel2, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-31
Value961667
Percentage of DefinedBenefitPlanPlanAssetsInvestmentWithinPlanAssetCategoryAmount484.8220.1

pkg:SecuritiesAtFairValue, us-gaap:FairValueInputsLevel3, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-31
Value2.02.6
Percentage of DefinedBenefitPlanPlanAssetsInvestmentWithinPlanAssetCategoryAmount1.00.9

pkg:SecuritiesAtFairValue, us-gaap:FairValueMeasuredAtNetAssetValuePerShare, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-31
Value136102
Percentage of DefinedBenefitPlanPlanAssetsInvestmentWithinPlanAssetCategoryAmount69.033.7

us-gaap:CorporateDebtSecurities, us-gaap:FairValueInputsLevel2, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-31
Value31870
Percentage of DefinedBenefitPlanPlanAssetsInvestmentWithinPlanAssetCategoryAmount160.423.3

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


Defined
Period End2020-12-312019-12-31
Value2514
Percentage of DefinedBenefitPlanPlanAssetsInvestmentWithinPlanAssetCategoryAmount12.74.9

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


Defined
Period End2020-12-312019-12-31
Value198163
Percentage of DefinedBenefitPlanPlanAssetsInvestmentWithinPlanAssetCategoryAmount100.053.7

us-gaap:DefinedBenefitPlanEquitySecuritiesNonUs, us-gaap:FairValueInputsLevel2, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-31
Value3220
Percentage of DefinedBenefitPlanPlanAssetsInvestmentWithinPlanAssetCategoryAmount16.56.9

us-gaap:DefinedBenefitPlanEquitySecuritiesNonUs, us-gaap:FairValueMeasuredAtNetAssetValuePerShare, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-31
Value136102
Percentage of DefinedBenefitPlanPlanAssetsInvestmentWithinPlanAssetCategoryAmount69.033.7

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


Defined
Period End2020-12-312019-12-31
Value276240
Percentage of DefinedBenefitPlanPlanAssetsInvestmentWithinPlanAssetCategoryAmount139.679.3

us-gaap:FixedIncomeSecurities, us-gaap:FairValueInputsLevel2, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-31
Value49154
Percentage of DefinedBenefitPlanPlanAssetsInvestmentWithinPlanAssetCategoryAmount24.951.0

us-gaap:MunicipalBonds, us-gaap:FairValueInputsLevel2, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-31
Value155.8
Percentage of DefinedBenefitPlanPlanAssetsInvestmentWithinPlanAssetCategoryAmount8.01.9

us-gaap:PrivateEquityFunds, us-gaap:FairValueInputsLevel3, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-31
Value2.02.6
Percentage of DefinedBenefitPlanPlanAssetsInvestmentWithinPlanAssetCategoryAmount1.00.9

us-gaap:USGovernmentAgenciesDebtSecurities, us-gaap:FairValueInputsLevel2, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-31
Value243160
Percentage of DefinedBenefitPlanPlanAssetsInvestmentWithinPlanAssetCategoryAmount122.753.0

us-gaap:DefinedBenefitPlanPlanAssetsInvestmentWithinPlanAssetCategoryAmount us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:RetirementPlanType

pkg:SecuritiesAtFairValue, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-31
Value12991076
Percentage of DefinedBenefitPlanPlanAssetsInvestmentWithinPlanAssetCategoryAmount654.8354.7

us-gaap:CorporateDebtSecurities, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-31
Value31870
Percentage of DefinedBenefitPlanPlanAssetsInvestmentWithinPlanAssetCategoryAmount160.423.3

us-gaap:DefinedBenefitPlanCash, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-31
Value2514
Percentage of DefinedBenefitPlanPlanAssetsInvestmentWithinPlanAssetCategoryAmount12.74.9

us-gaap:DefinedBenefitPlanEquitySecuritiesNonUs, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-31
Value368286
Percentage of DefinedBenefitPlanPlanAssetsInvestmentWithinPlanAssetCategoryAmount185.594.3

us-gaap:DefinedBenefitPlanEquitySecuritiesUs, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-31
Value276240
Percentage of DefinedBenefitPlanPlanAssetsInvestmentWithinPlanAssetCategoryAmount139.679.3

us-gaap:FixedIncomeSecurities, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-31
Value49295
Percentage of DefinedBenefitPlanPlanAssetsInvestmentWithinPlanAssetCategoryAmount24.997.2

us-gaap:MunicipalBonds, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-31
Value155.8
Percentage of DefinedBenefitPlanPlanAssetsInvestmentWithinPlanAssetCategoryAmount8.01.9

us-gaap:PrivateEquityFunds, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-31
Value2.02.6
Percentage of DefinedBenefitPlanPlanAssetsInvestmentWithinPlanAssetCategoryAmount1.00.9

us-gaap:USGovernmentAgenciesDebtSecurities, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-31
Value243160
Percentage of DefinedBenefitPlanPlanAssetsInvestmentWithinPlanAssetCategoryAmount122.753.0

us-gaap:DefinedBenefitPlanWeightedAverageAssetAllocations us-gaap:DefinedBenefitPlanByPlanAssetCategories

us-gaap:DefinedBenefitPlanWeightedAverageAssetAllocations

pkg:InternationalEquitySecurities


Defined
Period End2020-12-312019-12-312018-12-312018-01-052017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value29.00.270.270.280.060.230.220.230.250.2
Percentage of DefinedBenefitPlanWeightedAverageAssetAllocations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

pkg:OtherSecurities


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value2.00.010.020.640.010.020.020.0100.01
Percentage of DefinedBenefitPlanWeightedAverageAssetAllocations6.93.77.41066.74.39.18.74.00.00.0

pkg:USEquitySecurities


Defined
Period End2020-12-312019-12-312018-12-312018-01-052017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value21.00.220.180.20.090.210.20.20.210.16
Percentage of DefinedBenefitPlanWeightedAverageAssetAllocations72.481.566.771.4150.091.390.987.084.080.0

us-gaap:FixedIncomeSecurities


Defined
Period End2020-12-312019-12-312018-12-312018-01-052017-12-312016-12-31
Value48.00.50.530.520.210.54
Percentage of DefinedBenefitPlanWeightedAverageAssetAllocations165.5185.2196.3185.7350.0234.8

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized


Employee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value59674349556344455258354045503035394427323740283236402627
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized us-gaap:AwardType

pkg:PerformanceUnits


Employee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-12-31
Value242817202225171415178.79.810127.29.110.05.47.17.55.06.0256.5462.732.941
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized41.541.540.641.141.340.538.730.830.129.524.624.324.123.923.322.922.519.619.018.517.416.516.210.410.7

us-gaap:RestrictedStock


Employee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value343925293237273136412630343823273034222630332327303323242225
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized58.558.559.458.958.759.561.369.269.970.575.475.775.976.176.777.077.177.580.481.181.081.582.683.283.583.889.689.30.00.0

us-gaap:EmployeeStockOwnershipPlanESOPSharesInESOP

us-gaap:EmployeeStockOwnershipPlanESOPSharesInESOP


Employee
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value1200000.01500000.01900000.01800000.02200000.0
Percentage of EmployeeStockOwnershipPlanESOPSharesInESOP100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseLiability


Finance
Period End2020-12-312019-12-312019-09-302019-06-302018-12-31
Value1617171819
Percentage of FinanceLeaseLiability100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiability us-gaap:PropertyPlantAndEquipmentByType

pkg:BuildingsMachineryAndEquipment


Finance
Period End2020-12-312019-12-312018-12-31
Value161719
Percentage of FinanceLeaseLiability100.0100.0100.0

us-gaap:FinanceLeaseLiabilityCurrent

us-gaap:FinanceLeaseLiabilityCurrent


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
Value1700000.01700000.01600000.01600000.01600000.01600000.01500000.01500000.01500000.01500000.01400000.0
Percentage of FinanceLeaseLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityNoncurrent

us-gaap:FinanceLeaseLiabilityNoncurrent


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
Value1314141415151616161717
Percentage of FinanceLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityPaymentsDue

us-gaap:FinanceLeaseLiabilityPaymentsDue


Finance
Period End2020-12-31
Value20
Percentage of FinanceLeaseLiabilityPaymentsDue100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive


Finance
Period End2020-12-31
Value7000000.0
Percentage of FinanceLeaseLiabilityPaymentsDueAfterYearFive100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths


Finance
Period End2020-12-31
Value2700000.0
Percentage of FinanceLeaseLiabilityPaymentsDueNextTwelveMonths100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive


Finance
Period End2020-12-31
Value2700000.0
Percentage of FinanceLeaseLiabilityPaymentsDueYearFive100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour


Finance
Period End2020-12-31
Value2700000.0
Percentage of FinanceLeaseLiabilityPaymentsDueYearFour100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree


Finance
Period End2020-12-31
Value2700000.0
Percentage of FinanceLeaseLiabilityPaymentsDueYearThree100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo


Finance
Period End2020-12-31
Value2700000.0
Percentage of FinanceLeaseLiabilityPaymentsDueYearTwo100.0

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount


Finance
Period End2020-12-31
Value4500000.0
Percentage of FinanceLeaseLiabilityUndiscountedExcessAmount100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value265237247237228213204194184175165155145135125114106978980746862575145403428231713121110109.2628.3667.8277.4366.9596.466
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:CustomerRelationships


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value237211220211202189180171162153144135126118109100938679736762575247423631262116121211109.8869.1088.2737.7717.4096.466
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization89.489.089.189.088.988.588.388.187.987.787.387.087.287.687.888.088.488.989.491.291.291.291.491.491.691.992.292.493.093.794.896.296.596.897.297.998.398.999.399.6100.0

us-gaap:OtherIntangibleAssets


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value4.13.73.83.73.53.43.33.23.02.92.72.62.42.22.01.91.71.51.40.20.20.20.20.20.20.20.10.1410.1340.1220.1090.5120.4430.3740.3050.2120.1540.0930.056
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization1.51.61.51.61.51.61.61.61.61.71.61.71.61.61.61.71.61.51.60.20.30.30.30.40.40.40.20.40.50.50.63.83.53.22.82.11.71.10.7

us-gaap:TrademarksAndTradeNames


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value24222322212120191918181716141311109.38.16.96.35.85.24.74.13.53.02.4551.871.3340.7940.248
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization9.19.49.39.49.69.910.110.210.410.711.111.311.110.810.610.310.09.59.18.68.58.58.38.28.07.77.57.16.55.84.62.3

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths


Finite
Period End2020-12-31
Value37
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive


Finite
Period End2020-12-31
Value33
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFive100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour


Finite
Period End2020-12-31
Value33
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFour100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree


Finite
Period End2020-12-31
Value33
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearThree100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo


Finite
Period End2020-12-31
Value34
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo100.0

us-gaap:FiniteLivedIntangibleAssetsGross

us-gaap:FiniteLivedIntangibleAssetsGross


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value5425425425425425425425425425435435295295355354624624564564353333333333333333333333333343273274949494944444432272317
Percentage of FiniteLivedIntangibleAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsGross us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:CustomerRelationships


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value50350350350350350350350350350450449149149749742942942442440831131131131131131131131131230630648484848444432
Percentage of FiniteLivedIntangibleAssetsGross92.892.892.892.892.892.892.892.892.892.892.892.892.893.093.092.992.993.093.093.893.493.493.493.493.493.493.493.493.593.493.498.098.098.098.098.598.598.9

us-gaap:OtherIntangibleAssets


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value4.34.34.34.34.34.34.34.34.34.34.44.34.34.34.34.24.24.24.21.50.20.20.20.20.20.20.20.220.2590.220.220.990.990.990.990.6950.6950.349
Percentage of FiniteLivedIntangibleAssetsGross0.80.80.80.80.80.80.80.80.80.80.80.80.80.80.80.90.90.90.90.30.10.10.10.10.10.10.10.10.10.10.12.02.02.02.01.51.51.1

us-gaap:TrademarksAndTradeNames


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value343434343434343434343433333232282827272521212121212121212121210.77
Percentage of FiniteLivedIntangibleAssetsGross6.46.46.46.46.46.46.46.46.46.46.46.46.46.16.16.26.26.16.15.96.56.56.56.56.56.56.56.56.46.56.51.6

us-gaap:IncomeTaxesReceivable

us-gaap:IncomeTaxesReceivable


Income
Period End2020-12-312020-06-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312010-12-312009-12-31
Value5.16.1269.511165.1164869200.00.013181.30.0280.00.00.05.10.02.870.0229.4244.70736650.04.707
Percentage of IncomeTaxesReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.00.0100.00.00.00.0100.00.0100.00.0100.0100.0100.0100.0100.00.0100.0

us-gaap:InterestPayableCurrent

us-gaap:InterestPayableCurrent


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value112811281130132611271127112714181319131813181318131813198.932199.7225.1313.6825.1573.6764.672124.391124.353124.3591212
Percentage of InterestPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryRawMaterials

us-gaap:InventoryRawMaterials


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
Value288281263249272269271280303330307317291293279263257282271259256272260271254275261239239239212134124131125124123124126123114126
Percentage of InventoryRawMaterials100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryWorkInProcess

us-gaap:InventoryWorkInProcess


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
Value151111141312111514131314151412131313121411121413131211121212139.688.128.8928.2878.8948.578.8757.618.6587.9846.395
Percentage of InventoryWorkInProcess100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentOwnedAtCost

us-gaap:InvestmentOwnedAtCost


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value1123113211221094975913825
Percentage of InvestmentOwnedAtCost100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentOwnedAtCost us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel1


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value30302828563127
Percentage of InvestmentOwnedAtCost2.72.72.62.65.83.43.3

us-gaap:FairValueInputsLevel2


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value12312112312294119122
Percentage of InvestmentOwnedAtCost11.010.711.011.29.713.114.9

us-gaap:InvestmentOwnedAtCost us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument

us-gaap:FairValueInputsLevel2, us-gaap:CorporateDebtSecurities


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value10610410711388108106
Percentage of InvestmentOwnedAtCost9.59.39.610.49.011.812.9

us-gaap:FairValueInputsLevel2, us-gaap:USGovernmentAgenciesDebtSecurities


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value7.97.16.68.15.65.67.0
Percentage of InvestmentOwnedAtCost0.70.60.60.70.60.60.8

us-gaap:InvestmentOwnedAtCost us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:InvestmentType

us-gaap:FairValueInputsLevel1, us-gaap:MoneyMarketFunds


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value2.01.80.60.7290.30.1
Percentage of InvestmentOwnedAtCost0.20.20.10.13.00.00.0

us-gaap:FairValueInputsLevel1, us-gaap:USTreasurySecurities


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value28282828273027
Percentage of InvestmentOwnedAtCost2.52.62.52.62.83.43.3

us-gaap:FairValueInputsLevel2, us-gaap:CertificatesOfDeposit


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value9.07.35.91.20.73.93.9
Percentage of InvestmentOwnedAtCost0.80.60.50.10.10.40.5

us-gaap:FairValueInputsLevel2, us-gaap:CommercialPaper


Investment
Period End2021-03-312020-12-312020-03-312019-12-31
Value2.33.21.85.6
Percentage of InvestmentOwnedAtCost0.20.30.20.7

us-gaap:InvestmentOwnedAtCost us-gaap:InvestmentType

us-gaap:CashAndCashEquivalents


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value969980970943824763675
Percentage of InvestmentOwnedAtCost86.386.686.586.284.583.581.8

us-gaap:InvestmentOwnedAtFairValue

us-gaap:InvestmentOwnedAtFairValue


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value1123113211221095976913825
Percentage of InvestmentOwnedAtFairValue100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentOwnedAtFairValue us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel1


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value30302828573127
Percentage of InvestmentOwnedAtFairValue2.72.72.62.65.83.43.3

us-gaap:FairValueInputsLevel2


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value12312112312395118122
Percentage of InvestmentOwnedAtFairValue11.010.711.011.29.713.014.9

us-gaap:InvestmentOwnedAtFairValue us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument

us-gaap:FairValueInputsLevel2, us-gaap:CorporateDebtSecurities


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value10710510711388107106
Percentage of InvestmentOwnedAtFairValue9.59.39.610.49.111.812.9

us-gaap:FairValueInputsLevel2, us-gaap:USGovernmentAgenciesDebtSecurities


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value7.97.16.68.15.65.67.0
Percentage of InvestmentOwnedAtFairValue0.70.60.60.70.60.60.8

us-gaap:InvestmentOwnedAtFairValue us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:InvestmentType

us-gaap:FairValueInputsLevel1, us-gaap:MoneyMarketFunds


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value2.01.80.60.7290.30.1
Percentage of InvestmentOwnedAtFairValue0.20.20.10.13.00.00.0

us-gaap:FairValueInputsLevel1, us-gaap:USTreasurySecurities


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value28292828283127
Percentage of InvestmentOwnedAtFairValue2.62.62.52.62.93.43.3

us-gaap:FairValueInputsLevel2, us-gaap:CertificatesOfDeposit


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value9.07.35.91.20.73.93.9
Percentage of InvestmentOwnedAtFairValue0.80.60.50.10.10.40.5

us-gaap:FairValueInputsLevel2, us-gaap:CommercialPaper


Investment
Period End2021-03-312020-12-312020-03-312019-12-31
Value2.33.21.85.6
Percentage of InvestmentOwnedAtFairValue0.20.30.20.7

us-gaap:InvestmentOwnedAtFairValue us-gaap:InvestmentType

us-gaap:CashAndCashEquivalents


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value969980970943824763675
Percentage of InvestmentOwnedAtFairValue86.286.586.486.184.483.681.8

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths


Lessee
Period End2020-12-31
Value76
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths100.0

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

us-gaap:LettersOfCreditOutstandingAmount

us-gaap:LetterOfCredit, us-gaap:LineOfCredit


Letters
Period End2020-12-31
Value23
Percentage of LettersOfCreditOutstandingAmount100.0

us-gaap:LongTermDebtFairValue us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:LongTermDebtFairValue

pkg:FixedRateSeniorNotes, us-gaap:SeniorNotes


Long
Period End2021-06-302021-03-312020-12-312020-09-30
Value2741271928272776
Percentage of LongTermDebtFairValue100.0100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour


Long
Period End2020-12-31
Value400
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree


Long
Period End2020-12-31
Value700
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree100.0

us-gaap:LongtermDebtPercentageBearingFixedInterestAmount us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:LongtermDebtPercentageBearingFixedInterestAmount

pkg:FixedRateSeniorNotes, us-gaap:SeniorNotes


Longterm
Period End2021-06-302021-03-312020-12-312020-09-30
Value2494249324932493
Percentage of LongtermDebtPercentageBearingFixedInterestAmount100.0100.0100.0100.0

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent


Operating
Period End2020-12-312019-12-31
Value3.794.23
Percentage of OperatingLeaseWeightedAverageDiscountRatePercent100.0100.0

us-gaap:OperatingLossCarryforwards us-gaap:IncomeTaxAuthority

us-gaap:OperatingLossCarryforwards

us-gaap:DomesticCountry


Operating
Period End2020-12-312019-12-312018-12-312017-12-31
Value25293235
Percentage of OperatingLossCarryforwards100.0100.0100.0100.0

us-gaap:ForeignCountry


Operating
Period End2020-12-31
Value0.1
Percentage of OperatingLossCarryforwards0.4

us-gaap:StateAndLocalJurisdiction


Operating
Period End2020-12-312019-12-312018-12-312017-12-31
Value1.51.82.02.3
Percentage of OperatingLossCarryforwards5.96.26.26.4

us-gaap:OperatingLossCarryforwards us-gaap:IncomeTaxAuthority, us-gaap:TaxPeriod

us-gaap:DomesticCountry, pkg:Next10YearsMember


Operating
Period End2020-12-312019-12-312018-12-312017-12-31
Value2529280.0
Percentage of OperatingLossCarryforwards100.0100.088.30.0

us-gaap:ForeignCountry, pkg:Years11through20


Operating
Period End2020-12-31
Value0.1
Percentage of OperatingLossCarryforwards0.4

us-gaap:StateAndLocalJurisdiction, pkg:Next10YearsMember


Operating
Period End2020-12-312019-12-312018-12-312017-12-31
Value1.31.61.81.4
Percentage of OperatingLossCarryforwards5.15.55.63.9

us-gaap:StateAndLocalJurisdiction, pkg:Years11through20


Operating
Period End2020-12-312019-12-312018-12-312017-12-31
Value0.20.20.20.9
Percentage of OperatingLossCarryforwards0.80.70.62.5

us-gaap:OtherInventorySupplies

us-gaap:OtherInventorySupplies


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
Value342332329323317307303294284277274267259255253245240235232227220217212204192182175169163160158113116119119116117116115109104102
Percentage of OtherInventorySupplies100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities us-gaap:RetirementPlanType

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Pension
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value600000.0700000.0800000.01000000.01200000.0
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Pension
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value1200000.01400000.01400000.01400000.01300000.0
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities200.0200.0175.0140.0108.3

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

pkg:PerformanceUnits


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value108.2111.38103.63103.63103.6396.5896.5696.5696.5690.0190.0190.0190.0177.0777.0777.0777.0762.6862.6862.6862.6860.2559.9460.2460.1358.2558.2558.2558.2547.8347.83
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedStock


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312011-12-312010-12-31
Value109.12108.85102.55102.55102.5294.4794.594.594.2586.8986.988.0787.9677.2477.2377.1177.0763.3363.4462.9862.9949.6649.4749.9749.8240.9141.7141.7341.7232.431.4823.4422.3720.7
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue100.997.799.099.098.997.897.997.997.696.596.597.897.7100.2100.2100.1100.0101.0101.2100.5100.582.482.583.082.970.271.671.671.667.765.80.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-05-052020-03-312020-02-25
Value1200000.01200000.01500000.01500000.01500000.01400000.0100000.01400000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SupplementalUnemploymentBenefitsSeveranceBenefits

us-gaap:SupplementalUnemploymentBenefitsSeveranceBenefits


Supplemental
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value2.43.04.13.69.74.13.53.54.02.02.23.33.93.33.14.23.23.33.03.32.74.87.39.5128.88.32.0523.3157.2818.1720.0
Percentage of SupplementalUnemploymentBenefitsSeveranceBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:TaxCreditCarryforwardAmount us-gaap:IncomeTaxAuthority, us-gaap:TaxPeriod

us-gaap:TaxCreditCarryforwardAmount

us-gaap:DomesticCountry, pkg:Next10YearsMember


Tax
Period End2020-12-312019-12-312017-12-31
Value0.10.10.0
Percentage of TaxCreditCarryforwardAmount100.0100.00.0

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value1200000.01200000.01100000.01100000.01100000.0
Percentage of UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued100.0100.0100.0100.0100.0

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate


Unrecognized
Period End2020-12-312017-12-31
Value4600000.04200000.0
Percentage of UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate100.0100.0

us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary

us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary


Unrecorded
Period End2020-12-31
Value26
Percentage of UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary100.0

us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary

us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary


Unrecorded
Period End2020-12-31
Value27
Percentage of UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary100.0

us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary

us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary


Unrecorded
Period End2020-12-31
Value48
Percentage of UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary100.0

us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary

us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary


Unrecorded
Period End2020-12-31
Value48
Percentage of UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary100.0

us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount

us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount


Unrecorded
Period End2020-12-31
Value283
Percentage of UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount100.0

us-gaap:UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears

us-gaap:UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears


Unrecorded
Period End2020-12-31
Value79
Percentage of UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears100.0

us-gaap:UnrecordedUnconditionalPurchaseObligationDueInNextRollingTwelveMonths

us-gaap:UnrecordedUnconditionalPurchaseObligationDueInNextRollingTwelveMonths


Unrecorded
Period End2020-12-31
Value53
Percentage of UnrecordedUnconditionalPurchaseObligationDueInNextRollingTwelveMonths100.0

Line plots across dimensions of each concept


Operating Margin
us-gaap:StatementBusinessSegments
(None,)
Operating  Marginus-gaap: Statement Business Segments
TTM Greenblatt ROC
_
(None,)
T T M  Greenblatt  R O C_
us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:AwardType
(None,)
Allocated Share Based Compensation Expenseus-gaap: Award Type
us-gaap:ComprehensiveIncomeNetOfTax
us-gaap:StatementEquityComponents
(None,)
Comprehensive Income Net Of Taxus-gaap: Statement Equity Components
us-gaap:OperatingIncomeLoss
us-gaap:StatementBusinessSegments
(None,)
Operating Income Lossus-gaap: Statement Business Segments
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:StatementBusinessSegments
(None,)
Revenue From Contract With Customer Excluding Assessed Taxus-gaap: Statement Business Segments
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
('pkg:Trade', None)
Revenue From Contract With Customer Excluding Assessed Taxus-gaap: Product Or Service, us-gaap: Statement Business Segments
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
Revenue From Contract With Customer Excluding Assessed Taxus-gaap: Consolidation Items, us-gaap: Statement Business Segments
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ConsolidationItems
(None,)
Revenue From Contract With Customer Excluding Assessed Taxus-gaap: Consolidation Items
us-gaap:Assets
us-gaap:StatementBusinessSegments
(None,)
Assetsus-gaap: Statement Business Segments
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
Stockholders Equityus-gaap: Statement Equity Components
us-gaap:CashAndCashEquivalentsAtCarryingValue
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:InvestmentType
('us-gaap:FairValueInputsLevel1', None)
Cash And Cash Equivalents At Carrying Valueus-gaap: Fair Value By Fair Value Hierarchy Level, us-gaap: Investment Type
us-gaap:CashAndCashEquivalentsAtCarryingValue
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:InvestmentType
('us-gaap:FairValueInputsLevel2', None)
Cash And Cash Equivalents At Carrying Valueus-gaap: Fair Value By Fair Value Hierarchy Level, us-gaap: Investment Type
us-gaap:CashAndCashEquivalentsAtCarryingValue
us-gaap:FairValueByFairValueHierarchyLevel
(None,)
Cash And Cash Equivalents At Carrying Valueus-gaap: Fair Value By Fair Value Hierarchy Level
us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType
(None,)
Property Plant And Equipment Grossus-gaap: Property Plant And Equipment By Type
us-gaap:Goodwill
us-gaap:StatementBusinessSegments
(None,)
Goodwillus-gaap: Statement Business Segments
us-gaap:LongTermDebt
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
(None, 'us-gaap:SeniorNotes')
Long Term Debtus-gaap: Debt Instrument, us-gaap: Longterm Debt Type
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent
us-gaap:RetirementPlanType
(None,)
Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrentus-gaap: Retirement Plan Type
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
Stockholders Equityus-gaap: Statement Equity Components
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents
(None,)
Stockholders Equity Including Portion Attributable To Noncontrolling Interestus-gaap: Statement Equity Components
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents
(None,)
Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Valueus-gaap: Statement Equity Components