PKG


Line plots across dimensions of each concept
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:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ProductOrService
us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments

us-gaap:CostOfGoodsAndServicesSold

us-gaap:GrossProfit

us-gaap:OperatingCostsAndExpenses

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:OperatingIncomeLoss
us-gaap:StatementBusinessSegments

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

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

us-gaap:IncomeTaxesPaidNet

us-gaap:ProfitLoss

us-gaap:ComprehensiveIncomeNetOfTax
us-gaap:StatementEquityComponents

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

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:Assets
us-gaap:ConsolidatedEntities
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:InvestmentType
us-gaap:InvestmentType

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:PropertyPlantAndEquipmentNet

us-gaap:Goodwill
us-gaap:StatementBusinessSegments

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:OtherAssetsNoncurrent

us-gaap:LiabilitiesCurrent

us-gaap:AccountsPayableCurrent

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:DividendsPayableCurrent

us-gaap:LiabilitiesNoncurrent

us-gaap:LongTermDebtNoncurrent

us-gaap:DeferredTaxLiabilitiesNoncurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent

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

us-gaap:CommonStockValue

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities

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

us-gaap:ProfitLoss

us-gaap:IncreaseDecreaseInInventories

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:EffectiveIncomeTaxRateContinuingOperations
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod

us-gaap:ShareBasedCompensation

us-gaap:OperatingLeaseRightOfUseAsset

pkg:CommonStockWithheldToCoverTaxesOnVestedAndRetiredStockAwardsValue
us-gaap:StatementEquityComponents

pkg:DepreciationDepletionAmortizationAndOtherCashFlowImpact

pkg:NonOperatingPensionIncomeExpense

pkg:OtherComprehensiveIncomeAmortizationOfDefinedBenefitPlanNetPriorServiceCostAndNetLossRecognizedInNetPeriodicPensionCostTax

pkg:PensionAndPostretirementBenefitsContributionsExpenseNet

us-gaap:AdjustmentsToAdditionalPaidInCapitalOther
us-gaap:StatementEquityComponents

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:AwardType

us-gaap:AllocatedShareBasedCompensationExpenseNetOfTax

us-gaap:AmortizationOfDeferredCharges

us-gaap:AmortizationOfFinancingCosts

us-gaap:AmortizationOfIntangibleAssets

us-gaap:CapitalExpendituresIncurredButNotYetPaid

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

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:DeferredIncomeTaxExpenseBenefit
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:IncreaseDecreaseInAccountsPayable

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInAccruedLiabilities

us-gaap:IncreaseDecreaseInIncomeTaxesReceivable

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:InterestIncomeExpenseNet

us-gaap:InterestIncomeExpenseNonoperatingNet

us-gaap:InterestPaid

us-gaap:NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent

us-gaap:NumberOfReportableSegments

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

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax

us-gaap:OtherOperatingActivitiesCashFlowStatement

us-gaap:OtherOperatingIncomeExpenseNet

us-gaap:ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic

us-gaap:PaymentsOfDividendsCommonStock
us-gaap:SubsequentEventType

us-gaap:PaymentsToAcquireOtherProductiveAssets

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

us-gaap:RepaymentsOfDebtAndCapitalLeaseObligations
us-gaap:Range, us-gaap:StatementScenario
us-gaap:RestructuringCharges
us-gaap:StatementBusinessSegments
us-gaap:Range, us-gaap:StatementScenario
us-gaap:RestructuringCostsAndAssetImpairmentCharges

us-gaap:RestructuringReserveAcceleratedDepreciation
us-gaap:ProductOrService, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:RevenueFromRelatedParties
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensationGross

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

us-gaap:UnrealizedLossOnSecurities
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument
dei:LegalEntity
us-gaap:VariableInterestEntityOwnershipPercentage
us-gaap:RelatedPartyTransactionsByRelatedParty

pkg:AccrualForFranchisePropertySalesAndUseTaxesCurrent

pkg:AccruedMedicalInsuranceAndWorkersCompensationCurrent

pkg:AllowanceForDoubtfulAccountsReceivableAndReserveForCustomerDeductionsCurrent

us-gaap:AccruedEmployeeBenefitsCurrent

us-gaap:AccruedEnvironmentalLossContingenciesCurrent

us-gaap:AccruedLiabilitiesCurrent

us-gaap:AccruedMarketingCostsCurrent

us-gaap:AdditionalPaidInCapitalCommonStock

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:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations

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

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions
us-gaap:FinancialInstrument
us-gaap:InvestmentType

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
us-gaap:AwardType

us-gaap:FinanceLeaseLiabilityCurrent

us-gaap:FinanceLeaseLiabilityNoncurrent

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsGross
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

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:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OtherInventorySupplies
us-gaap:Range, us-gaap:StatementScenario
us-gaap:RestructuringAndRelatedCostExpectedCost1
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:SupplementalUnemploymentBenefitsSeveranceBenefits

Tables

  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-30
us-gaap:CommonStockValue ▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁█████▁▁▁▁▁▁▁▁▁▁▁▁▁█████0000000000000000011111000000000000011111NA1NANA
 us-gaap:SharesOutstanding us-gaap:StatementEquityComponents us-gaap:CommonStock▄▄▄▄▄▄▄▄▄▄94949494949494949494NANANA94NANANA96NANANA98NANANA98NANANA98NANANA98NANANA102NANANA103NANA
us-gaap:CommonStockSharesIssued ▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▃▃▃▄▄▄▄▄▄▄▄▄▄▄▄▄▄▅▆▆▇▇█9494949494949494949494949494949494969797989898989898989898989898989899101101102102103NA103NANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding 94NA949494NA949393NA939393NA939394NA969697NA979696NA979797NA979797NA100101101NA102102102NA102102
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic 93NA939393NA939393NA939393NA939394NA969697NA979696NA969696NA969696NA99100100NA101102101NA101101
us-gaap:EarningsPerShareBasic ▄▄▆▆▆▆▆▆▄█▄▅▄▄▄▄▃▃▄▄▃▃▃▃▃▇▃▂▂▂▂▂▁▂▂▂▁▂▃▁▁▂▂▃1.51.441.92.051.982.172.191.981.482.851.471.521.251.171.271.231.091.071.311.160.921.01.061.010.922.350.870.670.630.630.410.470.180.410.420.390.370.540.920.370.190.58000000000000010.711.07
us-gaap:EarningsPerShareDiluted ▄▄▆▆▆▆▆▆▄█▄▅▄▄▄▄▃▃▄▄▃▃▃▃▃▇▃▂▂▂▂▂▁▂▂▂▂▂▃▂▁▂▂▃1.491.431.892.041.972.162.181.971.482.841.471.521.241.171.261.231.091.071.311.160.921.01.061.010.922.330.860.660.620.630.410.460.180.40.420.390.370.540.910.370.190.57000000000000030.711.07
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-30
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax ▇███████▇▇▇▇▇▆▆▆▆▆▆▆▆▆▆▆▆▅▃▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁17081720175017591733174618091767169016841640158415361476148414171401139014701454142514341518146814311264845800755736723712671654670665629626642615550532553549
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,pkg:Packaging▂▁▄▅▃▅█▄14671460148915041477150415351496NA13971346131112571196116711251095109111441142109911221175114510971030845800755NANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,pkg:Paper▁▆▆▅▅▃█▇217244242237239227254250NA267271253259253292266280272291281297284312295309NANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService pkg:Trade▄▄▆▆▅▅█▆▃▃▁17081720175017591733174618091767169016841640NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementBusinessSegments pkg:Trade,pkg:Packaging▂▁▄▅▃▅█▄14651453148214971470149715281489NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementBusinessSegments pkg:Trade,pkg:Paper▁▆▆▅▅▃█▇217244242237239227254250NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementBusinessSegments pkg:Packaging▆▆▇▇▇▇█▇▅▅▃▂▁1467146014891504147715041535149614021397134613111257NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementBusinessSegments pkg:Paper▁▃▃▂▃▂▄▃▅▅▅▄▄▄▇▅▆▅▆▆▇▆█▇█217244242237239227254250269267271253259253292266280272291281297284312295309NANANANANANANANANANANANANANANANANANANA
us-gaap:CostOfGoodsAndServicesSold ▇▆▆▆▅▅█▇▆▅▁13431336133913321312132113661346133413121243NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:GrossProfit ▆▇▇█████▆▇▇▆▆▆▆▆▅▅▆▆▅▅▆▅▅▄▄▃▃▃▂▂▂▂▂▂▂▂▃▂▁▁▁▂3653834114274214254434203563713973643383273293202982853283232772973203103012572251921821731621581451341371361331471661318687110118
us-gaap:OperatingCostsAndExpenses ▅▆▆▄▅▅▅▆▅▁█▄▅▅▅▄▄▄▃▄10111136910138-14240796533-34NANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:SellingGeneralAndAdministrativeExpense ▇▇▇▇▇▆▆▇▆▆▆▆▆▆▅▅▅▄▅▆▅▅▅▆▅█▁▁▁▁▁▁▁14513713614314012913413713413313013012812511611411310511212111711011912211615956545554515251NA48484746474444434442
us-gaap:OperatingIncomeLoss ▆▇▇█▇██▇▆▇▇▇▆▆▆▆▅▅▆▆▅▅▆▅▅▄▄▄▄▃▃▃▅▃▃▃▃▃▁▃▂▃▃▄2092352622802752862982692122522422332031922062001801752191971571731881801601211411071039892831696771676596-1267337096135
 us-gaap:OperatingIncomeLoss us-gaap:StatementBusinessSegments pkg:Packaging▄▅▆▇▇▇██▅▇▇▅▄▄▄▄▃▄▄▄▂▃▃▃▃▂▃▁▁199214235263249263284273224266261224190177179192159181198194141161164166170150154122117NANANANANANANANANANANANANANANA
 us-gaap:OperatingIncomeLoss us-gaap:StatementBusinessSegments pkg:Paper▆▇█▇█▇▆▃▂▁▁▅▅▆▇▄▆▃▇▄▆▆▇▆▅32424838454232167302929334424361339233531433327NANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest ▅▅▇▇▇██▇▅▆▆▆▅▅▅▅▄▄▅▅▃▄▄▄▄▂▃▂▂▂▁▁▄190172239256249264274245186224216208179168183177159153197175137150165158140931309893896170159NA646159NANANANANANANA
us-gaap:IncomeTaxExpenseBenefit ▆▅▆▆▆▆▆▆▆▃▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▁▆▅▅▅▅▅█483659626259675846-44776561576361554969614751605950-133453333282125141NA22222133-11321531418
us-gaap:IncomeTaxesPaidNet 4NA467813NA511110NA102969NA75785NA75789NA52561NA3654NANANANANANANANANANANANANANANA
us-gaap:ProfitLoss ▂▂▄▅▄▅▅▄▂█▂▂▁▁▁141136179193186204206186140268139143117110119NANA104127NANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ComprehensiveIncomeNetOfTax ▅▄▆▇▆▇▇▆▅█▅▅▄▃▄▄▄▄▅▄▄▁▄▄▃█▄▃▃▂▂▂▂144105183196190210210190144243142146120851221211061211301219251041019124893806348403026NA1640NANA8330NANANANA
 us-gaap:ComprehensiveIncomeNetOfTax us-gaap:StatementEquityComponents us-gaap:RetainedEarnings▂▁▅▇▆██▆▁141136179193186204206186140NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLoss ▄▄▆▆▆▆▆▆▄█▄▅▄▄▄▄▃▃▄▄▃▃▃▃▃▇▃▂▂▂▂▂▁▂▂▂▂▂▃▂▁▂▃▄141136179193186204206186140268139143117110119115103104127114909810499902278464606139451739413937549338195872108
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic ▄▄▅▅▅▆▆▅▄█▄▄▃▃▃▃▂▂▃▃▂▂▂▂▂▇▂▁▁14013517819218520320518513926613814211610911811410210312611289971029888228846662NANANANANANANANANANANANANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-30
us-gaap:Assets ████▇▇▇▇▆▆▆▆▆▆▆▅▅▅▅▅▅▅▅▅▅▅▂▂▁▁▁▂▁▁▁▁▁▁▁▁7347723571917074692865696500631561396197602759035843577757475296522752845422540953855348533053045263519926572614251524532455283124922412223222592220222421902203NA2152NANA
 us-gaap:Liabilities us-gaap:ConsolidatedEntities us-gaap:VariableInterestEntityPrimaryBeneficiary█▁53NANANA2NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LiabilitiesAndStockholdersEquity ████▇▇▇▇▆▆▆▆▆▆▆▅▅▅▅▅▅▅▅▅▅▅▂▂▁▁▁▂▁▁▁▁▁▁▁▁7347723571917074692865696500631561396197602759035843577757475296522752845422540953855348533053045263519926572614251524532455283124922412223222592220222421902203NA2152NANA
us-gaap:StockholdersEquity ███▇▇▇▆▆▅▅▄▄▄▄▄▃▃▃▃▃▃▃▃▃▃▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁31493071303429212794267225302388227321821994190618241759172916621590163316151591155615211552148214171313109910511001969940922921928973102110201009966921NA898NANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-30
us-gaap:AssetsCurrent ███▇▇▆▆▆▅▅▆▅▅▅▅▄▄▄▅▅▄▄▄▄▄▄▃▃▂▂▂▃▂▂▁▁▁▁▂▂261324782531240222622115211419561832191520011863177916961747160915281554167916571614157815971574156114871135110210119379241285865812669742772798813860NA885NANA
us-gaap:CashAndCashEquivalentsAtCarryingValue █▇█▆▅▄▃▃▂▃▄▄▃▃▃▃▂▂▂▂▂▂▂▂▂▂▄▄▃▃▂▆▁▂▁▂▂▃▂▂▃▃▃▂7646797385694423612931991022163703212542392792131621841861631261241541611851903963702682071405158415640119173196172181197260224192
 us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:FairValueByFairValueHierarchyLevel,us-gaap:InvestmentType us-gaap:FairValueInputsLevel1,us-gaap:MoneyMarketFunds█▁300000.0100000.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:InvestmentType us-gaap:CashAndCashEquivalents█▁763675NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:AccountsReceivableNetCurrent ▇▇▇█▇▇█▇▇▆▆▆▅▅▅▅▄▄▅▅▅▅▅▅▅▅▂▂▂▂▂▂▂▁▁▁▁▁▁▁879845932947930901986920860830831755733689713663631636683708676646717704696643409403391352379353348319338331308293335308NA243NANA
us-gaap:InventoryNet ██████▇▇▇▇▇▇▇▇▆▆▆▆▆▆▆▆▆▆▅▅▂▂▂▂▂▂▂▂▁▁▁▁▁▁809794806815831795780763766762736734744723690671692676695667687664616611607522266263270268260258263254244226233241226207NA213NANA
us-gaap:InventoryFinishedGoods █▇██▇▇▆▇▇████▇▆▆▇▆▇▇██▇▇▇▇▁▁▁▁▁▁▁▁▁▁22020721521321019918019720221721422221220618818219018920620821621619519619520978827678777678747772NA73NANANANANANA
us-gaap:PrepaidExpenseAndOtherAssetsCurrent ▇▄▄▆▆▄▅▆▅▃▄▅▄▂▄▆▄▂▅▆▇▆█▆▄▃▃▃▂▁▂▃▂▁67444459583949565535435247304560422849586561765940323137242027332618NANANA17NANANANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-30
us-gaap:PropertyPlantAndEquipmentGross ██▇▇▇▇▆▆▆▅▅▄▄▄▄▃▃▃▃▃▂▂▂▂▁▁70546997690568336764669165886540641463116197612060656010595258295770571456845631559055155464538152935232NANANA3640NANANA3618NANANA3439NANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:Building██▇▇▇▆▅▄▄▄▄▄▄▄▃▂▁▁▂▂▂▂▂▁▁▁844837815812806795756735734729731725723717687645641640661659659659645642637628NANANA390NANANA377NANANA350NANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:MachineryAndEquipment███▇▇▇▆▆▅▅▅▅▄▄▄▄▃▃▃▃▂▂▂▁▁▁57425727567256035522548153565364521251625066501749874951490248004769474746714621453345084374434842684263NANANA3048NANANA3045NANANA2753NANANANANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment ██▇▇▇▆▆▆▆▆▅▅▅▄▄▄▃▃▃▃▂▂▂▂▁▁39163846379537263654358235233514345233863316324731773114307330192952288228412778272626572646256424932426NANANA2274NANANA2141NANANA2101NANANANANANA
us-gaap:PropertyPlantAndEquipmentNet ████████▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▁▁▁▁▁▂▂▂▂▂▁▁▁▁3138315131103107310931083065302629612924288128722887289528782809281728322842285228642857281828172800280513691363135313661376139314771476143414011360133712911256NA1182NANA
us-gaap:Goodwill ██████████▇▇▇▇▆▅▅▅▅▅▅▅▅▅▅▅▁▁▁▁▁▁▁▁▁▁▁▁▁▁9189189189189179178888888838837327317377376925445445445445445465465415375265266767676771717158515338383838NA38NANA
 us-gaap:Goodwill us-gaap:StatementBusinessSegments pkg:Packaging██████▇▇▇▇▅▅▅▅▄▁▁▁▁▁▁▁▁▁▁▁863863863863862862833833828828676675681682636488488488488488491491487483472472NANANA67NANANANANANANANANANANANANANA
us-gaap:FiniteLivedIntangibleAssetsNet ▇▇▇▇▇▇▇███▇▇▇▇▇▅▅▆▆▆▆▆▆▆▆▆▁▁▁▁▁▁▁▁▁▁▁▁▁▁3293383483583683783733843994103473563583673542592652702762822872932993063043103536373834353625201610101111NA11NANA
us-gaap:OtherAssetsNoncurrent ▄▄▃▃▄▃▄▄▅▅▅███▇▆▆██▇▆▆▇▆▆▆▃▂▃▂▃▂▂▂▃▂▂▁▁▁55554949535057596364638081807472718380737272736970694945464547444140504439383535NA34NANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-30
us-gaap:LiabilitiesCurrent ▇▇▇▇▇▆▇▇▆██▇▇▅▆▅▄▅▆▅▅▅▆▆▆▆▂▂▁▁▂▆▂▂▃▃▃▃▃▃744723770729740693766715673832824760776625637551545561628606621611690657643660353344286259307689320376421425387405426397NA370NANA
us-gaap:AccountsPayableCurrent ▇▆▇▇▇▇███▇▇▆▆▅▆▅▅▅▆▆▆▆▇▇▇▆▂▂▂▁▂▁▂▂▂▃▂▂▂▂389351385382405382438431427402379349367323327308309294337339352330387394390357163164142117147134153154176189167154169165NA126NANA
us-gaap:OtherAccruedLiabilitiesCurrent █▇▄▆▄▆▇▇▇▁▂▁▁▂▃▂▃▄▅▃▇▇▇▄▃▇1514101291214141357557878911813141410813NANANA10NANANA7NANANA7NANANANANANA
us-gaap:DividendsPayableCurrent ████████▅▅▅▅▅▅▅▃▃▄▄▄▄▁▁▁▁▁7776767576767575606060606059595252535353543939393939NANANA024242419192020151515NA15NANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-30
us-gaap:LiabilitiesNoncurrent █████▇▇▇▇▇▇▇▇██▇▇▇▇▇▇▇▇▇▇▇▂▂▂▂▂▂▂▂▁▁▁▁▁▁3453344133853423339332033203321131923182320832363242339133793082309130893178321232073216308831633202322612041219122712241207121812491107837812813809797885NA883NANA
us-gaap:LongTermDebtNoncurrent █▇████████▇▇▇██▇▇▇▇▇▇▇▇▇▇█▂▂▂▂▂▂▂▂▁▁▁▁▁▁24772476248624852484248324822482248124802456245724582620262522882289230223192345234723482350242524752508767771774778782786789793549549549549549548NA548NANA
us-gaap:DeferredTaxLiabilitiesNoncurrent ▇▆▆▆▆▆▅▅▅▅▆▆▇▆▇▇▇▇▇▇▇█████▃▃▃▃▃▃▃▁35434032731430528527927225623934234234933436035335734740240239940942643042343414412712312513512515011NA89986190NA205NANA
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent ██▇███████▇███▆███████▄▄▄▄▂▃▃▃▂▃▃▃▁▁▁▁▁▁37237532036436335736037437337232235635535731235736335837637236736120420019919313216317116413415115314894101100978284NA78NANA
us-gaap:OtherLiabilitiesNoncurrent ▅▄▅▅▅▅▅▅▅▆▆▅▅▅▅▅▅▅▅▆▆▇███▆▂▁▁▁▁▁▁▁▆▁▁▁▅▂56555758565963636270686059596061605958707072848380653329312928282729692830295639NA27NANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-30
us-gaap:StockholdersEquity ███▇▇▇▆▆▅▅▄▄▄▄▄▃▃▃▃▃▃▃▃▃▃▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁31493071303429212794267225302388227321821994190618241759172916621590163316151591155615211552148214171313109910511001969940922921928973102110201009966921NA898NANA
us-gaap:CommonStockValue ▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁█████▁▁▁▁▁▁▁▁▁▁▁▁▁█████0000000000000000011111000000000000011111NA1NANA
us-gaap:RetainedEarningsAccumulatedDeficit ███▇▇▇▆▆▅▅▄▄▄▄▄▃▃▃▃▃▃▃▃▃▃▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁2771270426432539242723152185205419491867165815781504144713961337128613171317129312711242118411191067975787753729703670661648673678726707690650572NA546NANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▁▁▃▃▂▂▂▂▁▁▃▂▂▂▄▃▃▃▂▂▁▁▇▇▇▆▅▅▄▄▄▄▅▅▇███▇█-157-159-128-132-135-138-145-149-153-156-131-134-136-139-114-116-122-124-142-145-152-153-60-61-63-65-86-95-111-114-101-103-88-97-62-37-38-44-54-44NA-36NANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-30
us-gaap:NetCashProvidedByUsedInOperatingActivities ▅██▇▅█▇█▄▆▄▅▃▄▄▃▄▄▅▄▁▃▅▃▃▄▂▄▁▃▁23632933930223634530133120227219722116421321718019122023719610817922218414918813718795152101NA34NANANA6313810294149668NA
us-gaap:NetCashProvidedByUsedInInvestingActivities █▇███▇▇▇█▆███▇▆██████▇█▇█▁█████-77-278-95-92-80-202-131-166-107-381-86-83-57-186-455-72-55-95-78-66-57-167-112-117-53-1278-49-53-28-33-24NA-71NANANA-66-89-74-92-64-45-21NA
us-gaap:NetCashProvidedByUsedInFinancingActivities ▃▃▃▃▃▃▃▃▂▃▃▃▃▃▅▃▃▃▃▃▃▃▃▃▃█▃▃▃▃▁-75-109-75-82-75-75-75-67-209-44-61-71-91-66304-56-157-128-135-92-49-41-117-90-100885-60-31-6-51-451NA-35NANANA-21-25-36-17-13-14-15NA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-30
us-gaap:NetCashProvidedByUsedInOperatingActivities ▅██▇▅█▇█▄▆▄▅▃▄▄▃▄▄▅▄▁▃▅▃▃▄▂▄▁▃▁23632933930223634530133120227219722116421321718019122023719610817922218414918813718795152101NA34NANANA6313810294149668NA
us-gaap:NetIncomeLoss ▄▄▆▆▆▆▆▆▄█▄▅▄▄▄▄▃▃▄▄▃▃▃▃▃▇▃▂▂▂▂▂▁▂▂▂▂▂▃▂▁▂▃▄141136179193186204206186140268139143117110119115103104127114909810499902278464606139451739413937549338195872108
us-gaap:ProfitLoss ▂▂▄▅▄▅▅▄▂█▂▂▁▁▁141136179193186204206186140268139143117110119NANA104127NANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncreaseDecreaseInInventories ▅▃▃▂▇▅▅▄▄▄▄▃▅▆▄▂▅▂▆▂▆█▄▄▅▁▄▃▄▄▄15-12-9-16361316-2882-1020291-2115-1928-1922499013-313-7172NA6NANANA-71518-7240NA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-30
us-gaap:NetCashProvidedByUsedInInvestingActivities █▇███▇▇▇█▆███▇▆██████▇█▇█▁█████-77-278-95-92-80-202-131-166-107-381-86-83-57-186-455-72-55-95-78-66-57-167-112-117-53-1278-49-53-28-33-24NA-71NANANA-66-89-74-92-64-45-21NA
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▃▆▄▄▄▇▆█▅▆▄▄▃▄▃▃▂▅▄▄▂█▅▅▂▅▂▂▁▁▁70135929278147130165108116868157866668529676865516510697501044953273425NA34NANANA64897592634518NA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-30
us-gaap:NetCashProvidedByUsedInFinancingActivities ▃▃▃▃▃▃▃▃▂▃▃▃▃▃▅▃▃▃▃▃▃▃▃▃▃█▃▃▃▃▁-75-109-75-82-75-75-75-67-209-44-61-71-91-66304-56-157-128-135-92-49-41-117-90-100885-60-31-6-51-451NA-35NANANA-21-25-36-17-13-14-15NA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-30

Common Stock Value

us-gaap:CommonStockValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-31
Value00000000000000000111110000000000000111111
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Par Or Stated Value Per Share

Shares Outstanding

us-gaap:StatementEquityComponents

us-gaap:SharesOutstanding

us-gaap:CommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value94949494949494949494949698989898102103102
Percentage of SharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Shares Issued

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-31
Value9494949494949494949494949494949494969797989898989898989898989898989899101101102102103103
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Authorized

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-30
Value94949494949393939393939394969697979696979797979797100101101102102102102102
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-30
Value9393939393939393939393939496969797969696969696969699100100101102101101101
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-30
Value1.51.441.92.051.982.172.191.981.482.851.471.521.251.171.271.231.091.071.311.160.921.01.061.010.922.350.870.670.630.630.410.470.180.410.420.390.370.540.920.370.190.58000000000000010.711.07
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-30
Value1.491.431.892.041.972.162.181.971.482.841.471.521.241.171.261.231.091.071.311.160.921.01.061.010.922.330.860.660.620.630.410.460.180.40.420.390.370.540.910.370.190.57000000000000030.711.07
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-30
Value17081720175017591733174618091767169016841640158415361476148414171401139014701454142514341518146814311264845800755736723712671654670665629626642615550532553549
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems

us-gaap:IntersegmentElimination



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-36-40-41-38-40-41-39-40-35-38-39-37-33-35-38-34
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-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-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:IntersegmentElimination100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MaterialReconcilingItems



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value-36-40-41-38-40-41-39-40-35-38-39-37-33-35-38-34-37-33-36-35-31-33-38-39-39
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-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-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:MaterialReconcilingItems100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:IntersegmentElimination, pkg:Packaging



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-30
Value2676666666
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.40.40.40.40.40.40.40.40.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.40.40.40.40.40.40.40.40.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination pkg:Packaging100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IntersegmentElimination, us-gaap:CorporateAndOther



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-30
Value34343431333432333233
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.02.01.91.81.92.01.81.91.92.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.02.01.91.81.92.01.81.91.92.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination us-gaap:CorporateAndOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, pkg:Packaging



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value1467146014891504147715041535149613971346131112571196116711251095109111441142109911221175114510971030845800755
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax85.984.985.185.585.286.184.884.783.082.182.881.881.178.679.478.278.577.878.577.178.277.478.076.781.5100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax85.984.985.185.585.286.184.884.783.082.182.881.881.178.679.478.278.577.878.577.178.277.478.076.781.5100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments pkg:Packaging100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, pkg:Paper



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value217244242237239227254250267271253259253292266280272291281297284312295309
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.714.213.913.513.813.014.114.215.916.516.016.917.219.718.820.019.619.819.320.919.820.620.121.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.714.213.913.513.813.014.114.215.916.516.016.917.219.718.820.019.619.819.320.919.820.620.121.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments pkg:Paper100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, us-gaap:CorporateAndOther



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value60565955565559605861555461626062597166616069676445000
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.53.33.43.23.33.23.33.43.43.73.53.54.24.24.24.54.34.84.64.34.24.64.64.53.60.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.53.33.43.23.33.23.33.43.43.73.53.54.24.24.24.54.34.84.64.34.24.64.64.53.60.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments us-gaap:CorporateAndOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:ProductOrService

pkg:Trade



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value17081720175017591733174618091767169016841640
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax pkg:Trade100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProductOrService, us-gaap:StatementBusinessSegments

pkg:Trade, pkg:Packaging



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value14651453148214971470149715281489
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax85.884.584.785.184.885.784.484.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax85.884.584.785.184.885.784.484.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax pkg:Trade pkg:Packaging100.0100.0100.0100.0100.0100.0100.0100.0

pkg:Trade, pkg:Paper



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value217244242237239227254250
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.714.213.913.513.813.014.114.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.714.213.913.513.813.014.114.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax pkg:Trade pkg:Paper100.0100.0100.0100.0100.0100.0100.0100.0

pkg:Trade, us-gaap:CorporateAndOther



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value2522252423212727
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.51.31.41.41.31.21.51.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.51.31.41.41.31.21.51.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax pkg:Trade us-gaap:CorporateAndOther100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementBusinessSegments

pkg:Packaging



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1467146014891504147715041535149614021397134613111257
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax85.984.985.185.585.286.184.884.783.083.082.182.881.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax85.984.985.185.585.286.184.884.783.083.082.182.881.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax pkg:Packaging100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

pkg:Paper



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value217244242237239227254250269267271253259253292266280272291281297284312295309
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.714.213.913.513.813.014.114.215.915.916.516.016.917.219.718.820.019.619.819.320.919.820.620.121.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.714.213.913.513.813.014.114.215.915.916.516.016.917.219.718.820.019.619.819.320.919.820.620.121.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax pkg:Paper100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CorporateAndOther



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value23151817161420201819221820
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.40.91.01.00.90.81.11.21.11.21.31.21.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.40.91.01.00.90.81.11.21.11.21.31.21.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CorporateAndOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenues

Sales Revenue Net

Sales Revenue Goods Net

Cost Of Goods And Services Sold

us-gaap:CostOfGoodsAndServicesSold



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value13431336133913321312132113661346133413121243
Percentage of CostOfGoodsAndServicesSold100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax78.677.776.575.775.775.675.576.278.977.975.8

Cost Of Goods Sold

Gross Profit

us-gaap:GrossProfit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-30
Value3653834114274214254434203563713973643383273293202982853283232772973203103012572251921821731621581451341371361331471661318687110118
Percentage of GrossProfit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax21.422.323.524.324.324.424.523.821.122.124.223.022.022.222.222.621.320.522.322.319.420.721.121.221.120.426.724.024.223.622.522.221.620.520.520.621.223.525.921.415.816.420.021.6

Operating Costs And Expenses

us-gaap:OperatingCostsAndExpenses



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value10111136910138-14240796533-34
Percentage of OperatingCostsAndExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.60.70.70.20.30.50.60.80.5-0.81.50.00.50.60.40.40.30.3-0.30.3

Research And Development Expense

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-30
Value1451371361431401291341371341331301301281251161141131051121211171101191221161595654555451525148484746474444434442
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.58.07.88.28.17.47.47.88.07.97.98.28.48.57.98.18.17.67.78.48.27.77.98.48.112.66.76.97.47.47.17.47.77.37.27.67.47.37.38.08.18.07.8

Operating Income Loss

us-gaap:OperatingIncomeLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-30
Value2092352622802752862982692122522422332031922062001801752191971571731881801601211411071039892831696771676596-1267337096135
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.213.715.015.915.916.416.515.312.615.014.814.813.213.113.914.112.912.614.913.611.012.112.412.311.29.616.813.413.713.412.711.825.210.410.610.210.515.4-1.911.06.113.317.424.7

us-gaap:StatementBusinessSegments

pkg:Packaging



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value199214235263249263284273224266261224190177179192159181198194141161164166170150154122117
Percentage of OperatingIncomeLoss95.691.489.594.190.691.895.3101.3105.5105.9107.996.093.992.187.096.188.3102.990.398.589.893.287.492.3106.1124.5109.1114.0114.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.712.513.415.014.415.115.715.513.315.815.914.212.412.012.113.611.413.013.513.49.911.310.811.311.911.918.315.315.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax pkg:Packaging13.614.715.817.516.917.518.518.316.019.119.417.115.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

pkg:Paper



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value32424838454232167302929334424361339233531433327
Percentage of OperatingIncomeLoss15.518.218.313.816.614.610.86.03.41.3-0.312.414.717.221.612.220.07.918.011.822.718.022.818.617.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.92.52.72.22.62.41.80.90.40.2-0.01.81.92.23.01.72.61.02.71.62.52.22.82.31.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax pkg:Paper14.917.619.816.319.018.512.76.52.71.3-0.311.511.513.015.29.112.95.113.58.312.010.913.811.49.0

us-gaap:CorporateAndOther



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-23-22-20-22-19-18-18-19-19-19-18-19-17-17-17-16-14-19-18-20-19-19-19-19-37-49-12-12-11
Percentage of OperatingIncomeLoss-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-1.4-1.3-1.2-1.3-1.1-1.1-1.0-1.1-1.1-1.2-1.1-1.2-1.1-1.2-1.2-1.2-1.1-1.4-1.2-1.4-1.4-1.3-1.3-1.3-2.6-3.9-1.4-1.5-1.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CorporateAndOther-97.5-142.1-113.3-127.4-120.7-125.2-88.8-96.6-103.8-102.1-81.4-102.7-86.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-31
Value190172239256249264274245186224216208179168183177159153197175137150165158140931309893896170159646159
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.110.013.714.514.415.115.113.911.013.313.213.211.711.412.312.511.411.013.412.19.710.510.910.89.87.415.412.312.412.18.59.923.79.69.29.4

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-3-3-3-3-3-3-4-4-3-2-2-2-2-3-3-3-3-1-1-1-1-2-5-10-3
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest-1.9-1.9-1.3-1.2-1.2-1.5-1.5-1.6-1.9-1.7-1.5-1.5-1.6-2.4-1.8-2.1-2.6-1.1-1.1-1.1-1.3-2.6-4.3-11.1-3.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.3-0.2-0.2-0.3-0.1-0.1-0.1-0.1-0.2-0.7-1.4-0.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-30
Value483659626259675846-44776561576361554969614751605950-13345333328212514122222133-11321531418
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.82.13.43.53.63.43.73.32.8-2.74.74.14.03.94.34.44.03.64.84.23.33.64.04.03.5-10.65.44.24.43.83.03.621.13.43.33.45.4-17.73.51.00.62.73.3

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value00000-1-1-1-1-1-1-1-1-1-1-1-100000-2-4-1
Percentage of IncomeTaxExpenseBenefit-1.9-2.2-1.3-1.3-1.3-1.7-1.5-1.7-1.9-1.9-1.6-1.6-1.8-2.8-2.0-2.3-3.0-1.2-1.1-1.2-1.60.7-4.7-12.6-3.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.1-0.0-0.0-0.0-0.0-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.0-0.0-0.0-0.1-0.1-0.3-0.5-0.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Income Taxes Paid Net

us-gaap:IncomeTaxesPaidNet



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-31
Value44678135111101029697578575789525613654
Percentage of IncomeTaxesPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.32.64.50.82.80.70.66.36.10.65.15.50.45.25.40.73.53.80.14.30.70.5

Profit Loss

us-gaap:ProfitLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312015-09-30
Value141136179193186204206186140268139143117110119104127
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.37.910.311.010.811.711.410.68.316.08.59.07.67.58.07.58.7

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302010-09-302010-06-30
Value14410518319619021021019014424314214612085122121106121130121925104101912489380634840302616408330
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.46.110.511.211.012.111.610.88.514.48.79.27.85.88.28.67.68.78.98.36.50.46.96.96.419.611.010.18.46.65.64.34.02.56.012.94.9

us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2-303336443
Percentage of ComprehensiveIncomeNetOfTax1.7-29.11.91.71.73.01.92.12.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.1-1.80.20.20.20.40.20.20.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value141136179193186204206186140
Percentage of ComprehensiveIncomeNetOfTax98.3129.198.198.398.397.098.197.997.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.37.910.311.010.811.711.410.68.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

Net Income Loss

us-gaap:NetIncomeLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-30
Value141136179193186204206186140268139143117110119115103104127114909810499902278464606139451739413937549338195872108
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.37.910.311.010.811.711.410.68.316.08.59.07.67.58.08.27.47.58.77.86.46.96.96.86.318.010.08.18.08.35.56.32.76.06.25.95.98.814.56.23.511.013.119.8

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-2-2-2-2-2-2-3-3-2-1-1-1-1-2-2-2-2-1-1-10-1-3-6-1
Percentage of NetIncomeLoss-1.9-1.8-1.3-1.2-1.2-1.4-1.5-1.6-1.9-1.5-1.5-1.4-1.5-2.2-1.6-1.9-2.4-1.1-1.0-1.1-1.1-0.7-4.0-10.3-3.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.2-0.1-0.1-0.1-0.1-0.2-0.2-0.2-0.1-0.1-0.1-0.1-0.1-0.2-0.1-0.2-0.2-0.1-0.1-0.1-0.1-0.1-0.4-0.8-0.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss Available To Common Stockholders Basic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value14013517819218520320518513926613814211610911811410210312611289971029888228846662
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.27.910.210.910.711.611.310.58.215.88.49.07.67.48.08.17.37.48.67.76.36.86.86.76.218.010.08.38.2

Net Income Loss Attributable To Noncontrolling Interest

Assets

us-gaap:Assets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-31
Value73477235719170746928656965006315613961976027590358435777574752965227528454225409538553485330530452635199265726142515245324552831249224122232225922202224219022032152
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary



Period End2020-03-312019-12-312018-12-31
Value532
Percentage of Assets0.10.10.0
Percentage of Assets0.10.10.0
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary100.0100.0100.0

Liabilities

us-gaap:ConsolidatedEntities

us-gaap:Liabilities

us-gaap:VariableInterestEntityPrimaryBeneficiary



Period End2020-03-312019-12-312018-12-31
Value532
Percentage of Liabilities100.0100.0100.0
Percentage of Assets0.10.10.0
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary100.0100.0100.0

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-31
Value73477235719170746928656965006315613961976027590358435777574752965227528454225409538553485330530452635199265726142515245324552831249224122232225922202224219022032152
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-312008-12-312007-12-31
Value31493071303429212794267225302388227321821994190618241759172916621590163316151591155615211552148214171313109910511001969940922921928973102110201009966921898683760
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets42.942.442.241.340.340.738.937.837.035.233.132.331.230.530.131.430.430.929.829.428.928.429.128.026.925.341.440.239.839.538.332.637.038.543.645.245.945.444.141.841.80.00.0

us-gaap:DerivativeInstrumentRisk, us-gaap:StatementEquityComponents

pkg:MarketableDebtSecurities, us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges



Period End2020-03-31
Value-200000.0
Percentage of StockholdersEquity-0.0
Percentage of Assets-0.0
Percentage of Assets pkg:MarketableDebtSecurities us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges0.0

us-gaap:ForeignExchangeContract, us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value-200000.0-200000.0-300000.0-300000.0-300000.0-300000.0-300000.0
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 us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges0.00.00.00.00.00.00.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value-156-158-120-123-125-127-142
Percentage of StockholdersEquity-5.0-5.2-4.0-4.2-4.5-4.8-6.5
Percentage of Assets-2.1-2.2-1.7-1.7-1.8-1.9-2.3
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value-157-159-128-132-135-138-156-124-153-65-114-97-44-36-38-7
Percentage of StockholdersEquity-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-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:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value-400000.0-400000.0-400000.0-400000.0-400000.0-400000.0-300000.0
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:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.0

Assets Current

us-gaap:AssetsCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-31
Value261324782531240222622115211419561832191520011863177916961747160915281554167916571614157815971574156114871135110210119379241285865812669742772798813860885
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets35.634.335.234.032.732.232.531.029.830.933.231.630.429.430.430.429.229.431.030.630.029.530.029.729.728.642.842.240.238.237.745.434.733.730.032.934.835.937.139.141.1

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-10-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302008-12-312007-12-31
Value7646797385694423612931991022161843703212542392792131621841861631261241541611851903963702682071405158415640119173196172181197260224192149228
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.49.410.38.06.45.54.53.21.73.50.06.15.44.34.14.94.03.13.53.43.02.32.32.93.13.53.714.914.210.78.55.718.23.46.51.85.37.88.87.98.20.012.10.00.00.00.0

us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel1



Period End2020-03-312019-12-31
Value03
Percentage of CashAndCashEquivalentsAtCarryingValue0.10.5
Percentage of Assets0.00.0
Percentage of Assets us-gaap:FairValueInputsLevel10.00.0

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:InvestmentType

us-gaap:FairValueInputsLevel1, us-gaap:MoneyMarketFunds



Period End2020-03-312019-12-31
Value300000.0100000.0
Percentage of CashAndCashEquivalentsAtCarryingValue0.00.0
Percentage of Assets0.00.0
Percentage of Assets us-gaap:FairValueInputsLevel1 us-gaap:MoneyMarketFunds0.00.0

us-gaap:FairValueInputsLevel1, us-gaap:USTreasurySecurities



Period End2020-03-312019-12-31
Value03
Percentage of CashAndCashEquivalentsAtCarryingValue0.10.5
Percentage of Assets0.00.0
Percentage of Assets us-gaap:FairValueInputsLevel1 us-gaap:USTreasurySecurities0.00.0

us-gaap:InvestmentType

us-gaap:CashAndCashEquivalents



Period End2020-03-312019-12-31
Value763675
Percentage of CashAndCashEquivalentsAtCarryingValue99.999.4
Percentage of Assets10.49.3
Percentage of Assets us-gaap:CashAndCashEquivalents0.00.0

Accounts Receivable Net Current

us-gaap:AccountsReceivableNetCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-31
Value879845932947930901986920860830831755733689713663631636683708676646717704696643409403391352379353348319338331308293335308243
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets12.011.713.013.413.413.715.214.614.013.413.812.812.511.912.412.512.112.012.613.112.612.113.513.313.212.415.415.415.614.415.512.514.013.315.214.713.913.215.314.011.3

us-gaap:MajorCustomers, us-gaap:ConcentrationRiskByType

pkg:OfficeDepot, us-gaap:CreditConcentrationRisk



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value56767883836673687533313331
Percentage of AccountsReceivableNetCurrent6.59.08.48.89.07.47.57.58.74.03.84.44.6
Percentage of Assets0.81.11.11.21.21.01.11.11.20.50.50.60.6
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



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-31
Value809794806815831795780763766762736734744723690671692676695667687664616611607522266263270268260258263254244226233241226207213
Percentage of InventoryNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets11.011.011.211.512.012.112.012.112.512.312.212.412.712.512.012.713.212.812.812.312.812.411.611.511.510.010.010.110.711.010.69.110.610.610.910.010.510.810.49.49.9

Inventory Finished Goods

us-gaap:InventoryFinishedGoods



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value2202072152132101991801972022172142222122061881821901892062082162161951961952097882767877767874777273
Percentage of InventoryFinishedGoods100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.02.93.03.03.03.02.83.13.33.53.63.83.63.63.33.43.63.63.83.94.04.03.73.73.74.03.03.13.03.23.22.73.23.13.53.23.3

Inventory L I F O Reserve

Prepaid Expense And Other Assets Current

us-gaap:PrepaidExpenseAndOtherAssetsCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value6744445958394956553543524730456042284958656176594032313724202733261817
Percentage of PrepaidExpenseAndOtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.90.60.60.80.80.60.80.90.90.60.70.90.80.50.81.10.80.50.91.11.21.21.41.10.80.61.21.41.00.91.11.21.00.80.8

Noncurrent Assets

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312011-12-312010-12-31
Value70546997690568336764669165886540641463116197612060656010595258295770571456845631559055155464538152935232364036183439
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets96.096.796.096.697.6101.8101.4103.6104.5101.8102.8103.7103.8104.0103.6110.1110.4108.1104.8104.1103.8103.1102.5101.5100.6100.6148.4150.0154.6

us-gaap:PropertyPlantAndEquipmentByType

us-gaap:Building



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312011-12-312010-12-31
Value844837815812806795756735734729731725723717687645641640661659659659645642637628390377350
Percentage of PropertyPlantAndEquipmentGross12.012.011.811.911.911.911.511.211.411.611.811.911.911.911.611.111.111.211.611.711.812.011.811.912.012.010.710.410.2
Percentage of Assets11.511.611.311.511.612.111.611.712.011.812.112.312.412.412.012.212.312.112.212.212.312.312.112.112.112.115.915.715.7
Percentage of Assets us-gaap:Building0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ConstructionInProgress



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312011-12-312010-12-31
Value2051741731721931762402092391941771521331251511721481191461441981542531951981686766212
Percentage of PropertyPlantAndEquipmentGross2.92.52.52.52.92.63.73.23.73.12.92.52.22.12.53.02.62.12.62.63.52.84.63.63.73.21.81.86.2
Percentage of Assets2.82.42.42.42.82.73.73.33.93.12.92.62.32.22.63.32.82.32.72.73.72.94.73.73.83.22.72.79.6
Percentage of Assets us-gaap:ConstructionInProgress0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:LandAndLandImprovements



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312011-12-312010-12-31
Value17717716716716516116215915815615615615414914814714614614515014413813814114014010710298
Percentage of PropertyPlantAndEquipmentGross2.52.52.42.52.42.42.52.42.52.52.52.62.52.52.52.52.52.62.62.72.62.52.52.62.72.72.92.82.9
Percentage of Assets2.42.52.32.42.42.52.52.52.62.52.62.62.62.62.62.82.82.82.72.82.72.62.62.72.72.74.44.24.4
Percentage of Assets us-gaap:LandAndLandImprovements0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:MachineryAndEquipment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312011-12-312010-12-31
Value57425727567256035522548153565364521251625066501749874951490248004769474746714621453345084374434842684263304830452753
Percentage of PropertyPlantAndEquipmentGross81.481.882.182.081.681.981.382.081.381.881.782.082.282.482.482.382.783.182.282.181.181.780.180.880.681.583.784.280.0
Percentage of Assets78.279.278.979.279.783.482.484.984.983.384.185.085.485.785.390.691.289.886.285.484.284.382.182.081.182.0124.3126.2123.8
Percentage of Assets us-gaap:MachineryAndEquipment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherCapitalizedPropertyPlantAndEquipment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312011-12-312010-12-31
Value8481777875757271706866676666626364615854545453534930272724
Percentage of PropertyPlantAndEquipmentGross1.21.21.11.11.11.11.11.11.11.11.11.11.11.11.11.11.11.11.01.01.01.01.01.00.90.60.70.80.7
Percentage of Assets1.11.11.11.11.11.11.11.11.21.11.11.11.11.21.11.21.21.21.11.01.01.01.01.00.90.61.11.11.1
Percentage of Assets us-gaap:OtherCapitalizedPropertyPlantAndEquipment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312011-12-312010-12-31
Value39163846379537263654358235233514345233863316324731773114307330192952288228412778272626572646256424932426227421412101
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets53.353.252.852.752.754.554.255.656.254.655.055.054.453.953.557.056.554.552.451.450.649.749.648.347.446.792.788.894.5

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-31
Value31383151311031073109310830653026296129242881287228872895287828092817283228422852286428572818281728002805136913631353136613761393147714761434140113601337129112561182
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets42.743.643.343.944.947.347.247.948.247.247.848.749.450.150.153.153.953.652.452.753.253.452.953.153.254.051.552.253.855.756.149.259.361.264.262.061.260.259.057.054.9

Goodwill

us-gaap:Goodwill



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-31
Value918918918918917917888888883883732731737737692544544544544544546546541537526526676767677171715851533838383838
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets12.512.712.813.013.214.013.714.114.414.312.112.412.612.812.010.310.410.310.010.110.110.210.210.110.010.12.52.62.72.72.92.52.92.42.32.41.71.71.81.81.8

us-gaap:StatementBusinessSegments

pkg:Packaging



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value86386386386386286283383382882867667568168263648848848848848849149148748347247267
Percentage of Goodwill94.094.094.094.094.094.093.893.893.893.892.592.492.592.592.089.989.989.989.989.989.989.990.090.089.889.8100.1
Percentage of Assets11.811.912.012.212.413.112.813.213.513.411.211.411.711.811.19.29.49.29.09.09.19.29.29.19.09.12.7
Percentage of Assets pkg:Packaging0.015.70.00.00.016.10.00.00.016.80.00.00.015.10.00.00.012.10.00.00.012.00.00.00.012.13.2

pkg:Paper



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value555555555555555555555555555555555555555555545453530
Percentage of Goodwill6.06.06.06.06.06.06.26.26.26.27.57.67.58.010.110.110.110.110.110.110.110.010.010.210.20.0
Percentage of Assets0.80.80.80.80.80.80.80.90.90.90.90.91.01.01.01.11.01.01.01.01.01.01.01.01.00.0
Percentage of Assets pkg:Paper0.07.00.00.00.07.30.00.00.05.80.00.05.80.00.00.05.70.00.00.05.70.00.00.05.70.0

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-31
Value329338348358368378373384399410347356358367354259265270276282287293299306304310353637383435362520161010111111
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.54.74.85.15.35.85.86.16.56.65.86.06.16.46.24.95.15.15.15.25.35.55.65.85.86.01.31.41.51.61.41.31.51.00.90.70.50.50.50.50.5

Deferred Tax Assets Liabilities Net

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-31
Value5555494953505759636463808180747271838073727273697069494546454744414050443938353534
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.70.80.70.70.80.80.90.91.01.01.11.41.41.41.31.41.41.61.51.41.31.31.41.31.31.31.91.71.81.81.91.61.71.72.32.01.81.71.61.61.6

Liabilities Current

us-gaap:LiabilitiesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-31
Value744723770729740693766715673832824760776625637551545561628606621611690657643660353344286259307689320376421425387405426397370
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.110.010.710.310.710.611.811.311.013.413.712.913.310.811.110.410.410.611.611.211.511.412.912.412.212.713.313.211.410.612.524.412.915.618.918.817.418.219.518.017.2

Long Term Debt Current

Accounts Payable Current

us-gaap:AccountsPayableCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-31
Value389351385382405382438431427402379349367323327308309294337339352330387394390357163164142117147134153154176189167154169165126
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.34.95.45.45.85.86.86.87.06.56.35.96.35.65.75.85.95.66.26.36.56.27.37.47.46.96.26.35.74.86.04.76.16.47.98.47.66.97.87.55.9

Other Accrued Liabilities Current

us-gaap:OtherAccruedLiabilitiesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312011-12-312010-12-31
Value15141012912141413575578789118131414108131077
Percentage of OtherAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.20.10.20.10.20.20.20.20.10.10.10.10.10.10.10.20.20.20.20.20.30.30.20.20.30.40.30.3

Accrued Income Taxes Current

Dividends Payable Current

us-gaap:DividendsPayableCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-31
Value777676757676757560606060605959525253535354393939393902424241919202015151515
Percentage of DividendsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.01.11.11.11.11.21.21.21.01.01.01.01.01.01.01.01.01.01.01.01.00.70.70.70.70.80.01.00.91.00.80.90.90.90.70.70.70.7

Liabilities Noncurrent

us-gaap:LiabilitiesNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-31
Value3453344133853423339332033203321131923182320832363242339133793082309130893178321232073216308831633202322612041219122712241207121812491107837812813809797885883
Percentage of LiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets47.047.647.148.449.048.849.350.952.051.353.254.855.558.758.858.259.158.558.659.459.660.157.959.660.862.045.346.648.849.949.243.050.145.937.536.036.636.436.440.241.0

Long Term Debt

Long Term Debt Noncurrent

us-gaap:LongTermDebtNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-31
Value24772476248624852484248324822482248124802456245724582620262522882289230223192345234723482350242524752508767771774778782786789793549549549549549548548
Percentage of LongTermDebtNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets33.734.234.635.135.937.838.239.340.440.040.841.642.145.445.743.243.843.642.843.443.643.944.145.747.048.228.929.530.831.731.927.831.732.924.624.324.724.725.124.925.5

Deferred Tax Liabilities Noncurrent

us-gaap:DeferredTaxLiabilitiesNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-06-302011-03-312010-12-312010-09-302010-06-302009-12-31
Value3543403273143052852792722562393423423493343603533573474024023994094264304234341441271231251351251501189986190205
Percentage of DeferredTaxLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.84.74.64.44.44.34.34.34.23.95.75.86.05.86.36.76.86.67.47.47.47.78.08.18.18.45.44.94.95.15.54.46.10.50.40.40.44.08.79.5

Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-31
Value3723753203643633573603743733723223563553573123573633583763723673612042001991931321631711641341511531489410110097828478
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.15.24.55.25.25.45.55.96.16.05.46.06.16.25.46.76.96.87.06.96.86.83.83.83.83.75.06.36.86.75.55.46.26.24.34.54.54.43.83.83.7

Minority Interest

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-31
Value5655575856596363627068605959606160595870707284838065332931292828272969283029563927
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.80.80.80.80.80.91.01.01.01.11.11.01.01.01.01.21.21.11.11.31.31.41.61.61.51.31.31.11.21.21.21.01.11.23.11.31.41.32.61.81.3

Stockholders Equity

us-gaap:StockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-312008-12-312007-12-31
Value31493071303429212794267225302388227321821994190618241759172916621590163316151591155615211552148214171313109910511001969940922921928973102110201009966921898683760
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets42.942.442.241.340.340.738.937.837.035.233.132.331.230.530.131.430.430.929.829.428.928.429.128.026.925.341.440.239.839.538.332.637.038.543.645.245.945.444.141.841.80.00.0

us-gaap:DerivativeInstrumentRisk, us-gaap:StatementEquityComponents

pkg:MarketableDebtSecurities, us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges



Period End2020-03-31
Value-200000.0
Percentage of StockholdersEquity-0.0
Percentage of Assets-0.0
Percentage of Assets pkg:MarketableDebtSecurities us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges0.0

us-gaap:ForeignExchangeContract, us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value-200000.0-200000.0-300000.0-300000.0-300000.0-300000.0-300000.0
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 us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges0.00.00.00.00.00.00.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value-156-158-120-123-125-127-142
Percentage of StockholdersEquity-5.0-5.2-4.0-4.2-4.5-4.8-6.5
Percentage of Assets-2.1-2.2-1.7-1.7-1.8-1.9-2.3
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value-157-159-128-132-135-138-156-124-153-65-114-97-44-36-38-7
Percentage of StockholdersEquity-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-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:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value-400000.0-400000.0-400000.0-400000.0-400000.0-400000.0-300000.0
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:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-31
Value00000000000000000111110000000000000111111
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-31
Value2771270426432539242723152185205419491867165815781504144713961337128613171317129312711242118411191067975787753729703670661648673678726707690650572546
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets37.737.436.835.935.035.233.632.531.830.127.526.725.725.024.325.224.624.924.323.923.623.222.221.120.318.829.628.829.028.727.323.426.027.930.432.131.831.029.726.025.4

Treasury Stock Value

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-31
Value-157-159-128-132-135-138-145-149-153-156-131-134-136-139-114-116-122-124-142-145-152-153-60-61-63-65-86-95-111-114-101-103-88-97-62-37-38-44-54-44-36
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-2.1-2.2-1.8-1.9-2.0-2.1-2.2-2.4-2.5-2.5-2.2-2.3-2.3-2.4-2.0-2.2-2.3-2.4-2.6-2.7-2.8-2.9-1.1-1.2-1.2-1.3-3.2-3.6-4.4-4.6-4.2-3.6-3.6-4.1-2.8-1.7-1.7-2.0-2.5-2.0-1.7

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
Value23632933930223634530133120227219722116421321718019122023719610817922218414918813718795152101346313810294149668
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.919.119.417.213.619.816.618.712.016.212.114.010.714.414.612.713.615.916.113.57.612.514.712.610.414.916.223.412.720.714.15.210.222.215.915.32.618.212.3

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
Value-77-278-95-92-80-202-131-166-107-381-86-83-57-186-455-72-55-95-78-66-57-167-112-117-53-1278-49-53-28-33-24-71-66-89-74-92-64-45-21
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-4.5-16.2-5.5-5.3-4.6-11.6-7.3-9.4-6.3-22.7-5.3-5.2-3.8-12.7-30.7-5.1-4.0-6.9-5.4-4.6-4.0-11.7-7.4-8.0-3.7-101.1-5.9-6.7-3.8-4.6-3.4-10.7-10.6-14.3-11.6-15.1-11.7-8.6-3.9

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
Value-75-109-75-82-75-75-75-67-209-44-61-71-91-66304-56-157-128-135-92-49-41-117-90-100885-60-31-6-51-451-35-21-25-36-17-13-14-15
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-4.4-6.4-4.3-4.7-4.3-4.3-4.1-3.8-12.4-2.7-3.7-4.5-6.0-4.520.5-4.0-11.2-9.2-9.2-6.4-3.5-2.9-7.8-6.2-7.170.0-7.2-3.9-0.8-7.1-62.4-5.3-3.3-4.1-5.7-2.8-2.4-2.8-2.7

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
Value23632933930223634530133120227219722116421321718019122023719610817922218414918813718795152101346313810294149668
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.919.119.417.213.619.816.618.712.016.212.114.010.714.414.612.713.615.916.113.57.612.514.712.610.414.916.223.412.720.714.15.210.222.215.915.32.618.212.3

Net Income Loss

us-gaap:NetIncomeLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-30
Value141136179193186204206186140268139143117110119115103104127114909810499902278464606139451739413937549338195872108
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.37.910.311.010.811.711.410.68.316.08.59.07.67.58.08.27.47.58.77.86.46.96.96.86.318.010.08.18.08.35.56.32.76.06.25.95.98.814.56.23.511.013.119.8

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-2-2-2-2-2-2-3-3-2-1-1-1-1-2-2-2-2-1-1-10-1-3-6-1
Percentage of NetIncomeLoss-1.9-1.8-1.3-1.2-1.2-1.4-1.5-1.6-1.9-1.5-1.5-1.4-1.5-2.2-1.6-1.9-2.4-1.1-1.0-1.1-1.1-0.7-4.0-10.3-3.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.2-0.1-0.1-0.1-0.1-0.2-0.2-0.2-0.1-0.1-0.1-0.1-0.1-0.2-0.1-0.2-0.2-0.1-0.1-0.1-0.1-0.1-0.4-0.8-0.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312015-09-30
Value141136179193186204206186140268139143117110119104127
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.37.910.311.010.811.711.410.68.316.08.59.07.67.58.07.58.7

Depreciation Depletion And Amortization

Increase Decrease In Other Operating Capital Net

Increase Decrease In Inventories

us-gaap:IncreaseDecreaseInInventories



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
Value15-12-9-16361316-2882-1020291-2115-1928-1922499013-313-71726-71518-7240
Percentage of IncreaseDecreaseInInventories100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
Value-77-278-95-92-80-202-131-166-107-381-86-83-57-186-455-72-55-95-78-66-57-167-112-117-53-1278-49-53-28-33-24-71-66-89-74-92-64-45-21
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-4.5-16.2-5.5-5.3-4.6-11.6-7.3-9.4-6.3-22.7-5.3-5.2-3.8-12.7-30.7-5.1-4.0-6.9-5.4-4.6-4.0-11.7-7.4-8.0-3.7-101.1-5.9-6.7-3.8-4.6-3.4-10.7-10.6-14.3-11.6-15.1-11.7-8.6-3.9

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
Value701359292781471301651081168681578666685296768655165106975010449532734253464897592634518
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
Value-75-109-75-82-75-75-75-67-209-44-61-71-91-66304-56-157-128-135-92-49-41-117-90-100885-60-31-6-51-451-35-21-25-36-17-13-14-15
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-4.4-6.4-4.3-4.7-4.3-4.3-4.1-3.8-12.4-2.7-3.7-4.5-6.0-4.520.5-4.0-11.2-9.2-9.2-6.4-3.5-2.9-7.8-6.2-7.170.0-7.2-3.9-0.8-7.1-62.4-5.3-3.3-4.1-5.7-2.8-2.4-2.8-2.7

Proceeds From Issuance Of Long Term Debt

Payments For Repurchase Of Common Stock

Debt Instrument Interest Rate Stated Percentage

Effective Income Tax Rate Continuing Operations

us-gaap:EffectiveIncomeTaxRateContinuingOperations



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-31
Value0.2550.2490.2440.2510.2460.2390.2490.3590.3140.3450.3480.3480.348-0.354-0.350.3420.3680.3730.3570.3530.3440.356
Percentage of EffectiveIncomeTaxRateContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

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

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

us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod

pkg:PerformanceUnits



Period End2020-03-312019-12-312019-09-302018-12-312018-09-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-09-302014-06-302014-03-31
Value0000000000000000560
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod100.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.0100.00.0100.00.0

us-gaap:RestrictedStock



Period End2020-03-312019-12-312019-09-302018-12-312018-09-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-312012-09-30
Value000000000000000-22901953396000
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod182.10.00.0-0.00.00.00.0280.00.00.00.0314.90.00.0241.40.00.0344.10.00.00.00.00.0

Share Based Compensation

us-gaap:ShareBasedCompensation



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
Value10551166655555444454444344343333221112111
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Liabilities

Deferred Tax Assets Net

Unrecognized Tax Benefits

Deferred Tax Assets Valuation Allowance

Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset



Period End2020-03-312019-12-312019-09-302019-06-30
Value235234232238
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0

Cash And Cash Equivalents Period Increase Decrease

pkg:CommonStockWithheldToCoverTaxesOnVestedAndRetiredStockAwardsValue



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value0007007
Percentage of CommonStockWithheldToCoverTaxesOnVestedAndRetiredStockAwardsValue0.0100.0100.0100.00.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value0.00.00.0600000.00.00.0400000.0
Percentage of CommonStockWithheldToCoverTaxesOnVestedAndRetiredStockAwardsValue0.00.00.07.80.00.05.3

us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value0007007
Percentage of CommonStockWithheldToCoverTaxesOnVestedAndRetiredStockAwardsValue0.0100.0100.092.20.0100.094.7

pkg:DepreciationDepletionAmortizationAndOtherCashFlowImpact



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value100989795949710110410810797939293888788908988959410710386
Percentage of DepreciationDepletionAmortizationAndOtherCashFlowImpact100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

pkg:NonOperatingPensionIncomeExpense



Period End2020-03-312019-03-31
Value0-2
Percentage of NonOperatingPensionIncomeExpense100.0100.0

pkg:OtherComprehensiveIncomeAmortizationOfDefinedBenefitPlanNetPriorServiceCostAndNetLossRecognizedInNetPeriodicPensionCostTax



Period End2020-03-312019-12-312019-09-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value000011111111-7-1-1-1-1-1-1-100000-2-4-1
Percentage of OtherComprehensiveIncomeAmortizationOfDefinedBenefitPlanNetPriorServiceCostAndNetLossRecognizedInNetPeriodicPensionCostTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

pkg:PensionAndPostretirementBenefitsContributionsExpenseNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value-1-341-4-7-511-5-3-430-3-1-342-2-6-7-8-7-7-6-6-6-6-717-17-10-914-1-5-3
Percentage of PensionAndPostretirementBenefitsContributionsExpenseNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalOther



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value-100000.00.00.0-200000.0300000.00.00.0
Percentage of AdjustmentsToAdditionalPaidInCapitalOther100.00.00.0100.0100.00.00.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value0.00.00.00.00.0-100000.00.0
Percentage of AdjustmentsToAdditionalPaidInCapitalOther-0.00.00.0-0.00.00.00.0

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value0.00.00.00.0-100000.0100000.0200000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalOther-0.00.00.0-0.0-33.30.00.0

us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value-100000.00.00.0-200000.0400000.00.0-200000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalOther100.00.00.0100.0133.30.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value10551265665
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value10551265665
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllocatedShareBasedCompensationExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value10551166655555444454444344343333232-2-21-1-2
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AwardType

pkg:PerformanceUnits



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value2220211011111110010000000000
Percentage of AllocatedShareBasedCompensationExpense20.840.740.77.729.023.025.810.723.528.826.926.826.123.427.117.012.522.219.610.214.314.77.17.45.47.80.50.0

us-gaap:RestrictedStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value833104445333433334334333334233
Percentage of AllocatedShareBasedCompensationExpense79.259.359.392.371.077.074.289.376.571.273.173.273.976.672.983.087.577.880.489.885.783.585.392.992.694.692.299.5100.0

us-gaap:AllocatedShareBasedCompensationExpenseNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-31
Value744854543333223232232222221121111111
Percentage of AllocatedShareBasedCompensationExpenseNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AmortizationOfDeferredCharges



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0162222222422222112211
Percentage of AmortizationOfDeferredCharges100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AmortizationOfFinancingCosts



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
Value020000000200000000000020062000000000000
Percentage of AmortizationOfFinancingCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AmortizationOfIntangibleAssets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value999999101010108889655555555553000
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalExpendituresIncurredButNotYetPaid



Period End2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value353-734-21-1-755011-1130-7-13329-160-2051
Percentage of CapitalExpendituresIncurredButNotYetPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect



Period End2020-03-312019-12-312019-03-312018-12-31
Value84-588067
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0

us-gaap:CommonStockDividendsPerShareDeclared



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-132016-12-312016-08-312016-08-302016-09-302016-06-302016-02-252016-03-312015-12-152015-12-312015-08-272015-09-302015-05-132015-06-302015-02-262015-03-312014-12-092014-12-312014-08-282014-09-302014-05-142014-06-302014-02-272014-03-312013-12-122013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-30
Value0.790.790.790.790.790.790.790.790.630.63000000000000010.630.630.630.630.62999999999999992.522.20.630.550.550.550.550.55000000000000030.550.550.550.550.550.550.40.400000000000000130.40.40.40.40.40.40.40.40.40.40.31250.250.250.250.250.20.20.20.149999999999999970.150.150.150.149999999999999970.150.15
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:MajorCustomers, us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType

us-gaap:ConcentrationRiskPercentage1

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



Period End2020-03-312019-03-31
Value0.050.07
Percentage of ConcentrationRiskPercentage1100.0100.0

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



Period End2020-03-312019-03-312018-03-31
Value0.060.090.09
Percentage of ConcentrationRiskPercentage1120.0128.60.0

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

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



Period End2020-03-312019-03-312018-03-312017-03-31
Value0.430.520.450.44
Percentage of ConcentrationRiskPercentage1860.0742.90.00.0

us-gaap:DeferredIncomeTaxExpenseBenefit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
Value132211818341415-86-2-812-105-680-507-14-2315-16712-801511445-111-5-106-9-10
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-2-1-1-1-1-2-2-2-1-1-1-1-1-2-2-2-200000-2-1-1
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RetirementPlanType

us-gaap:PensionPlansDefinedBenefit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-2-1-1-1-1-2-2-2-2-1-1-1-1-1-1-1
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses103.8100.0100.0106.2106.2104.3100.0100.00.00.00.00.0100.0100.0100.0116.7

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value11111111111111111111113011
Percentage of DefinedBenefitPlanAmortizationOfPriorServiceCostCredit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RetirementPlanType

us-gaap:PensionPlansDefinedBenefit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value1111111111111111
Percentage of DefinedBenefitPlanAmortizationOfPriorServiceCostCredit110.0106.7106.7106.7106.7106.2105.9105.90.00.00.00.0100.0107.7107.7100.0

us-gaap:RetirementPlanTaxStatus, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanContributionsByEmployer

us-gaap:QualifiedPlan, us-gaap:PensionPlansDefinedBenefit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value3349300181
Percentage of DefinedBenefitPlanContributionsByEmployer100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets

us-gaap:PensionPlansDefinedBenefit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value14131313131414141413131313121212
Percentage of DefinedBenefitPlanExpectedReturnOnPlanAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanInterestCost

us-gaap:PensionPlansDefinedBenefit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value10111111111010101010101010101010
Percentage of DefinedBenefitPlanInterestCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost

us-gaap:PensionPlansDefinedBenefit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value5888866666666676
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanServiceCost

us-gaap:PensionPlansDefinedBenefit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value5666666665566666
Percentage of DefinedBenefitPlanServiceCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Depreciation



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value8988878585868991949487838283797980797978858495937666424141
Percentage of Depreciation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStockCash



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value757575747474747459
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value757575747474747459
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value2113111112221111211111111111111110-1000
Percentage of EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnDispositionOfAssets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-6-6-9-4-4-2-5-4-5-1-3-2-2-80-1-1-4-5-3-1-3-2-2-1-3-3-3-2
Percentage of GainLossOnDispositionOfAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsPayable



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
Value28-300-1513-37812-1318-625317-40-23-33-13-23-6-104702323-2913-415-14073110-7
Percentage of IncreaseDecreaseInAccountsPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsReceivable



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
Value34-86-141628-92665922-27762244-32932-5-47-243031-6627443-2661139-27262115-41263232-308
Percentage of IncreaseDecreaseInAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccruedLiabilities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
Value-22-153721-44-184323-42-13324-48-143420-43-202528-48-1431-155-414-7-1027-8-22-3218719-33-919
Percentage of IncreaseDecreaseInAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInIncomeTaxesReceivable



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value-3016-124-3011-11-32-20492221-39-81619-4226020-2812-103-23128
Percentage of IncreaseDecreaseInIncomeTaxesReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
Value231-15119-11-6217-5-9415-11-161313-20-8204-220188-7-6113-7-673-4-2721132-16
Percentage of IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value000000000000000000000000000110011011
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestIncomeExpenseNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-19-60-21-22-24-21-23-23-25
Percentage of InterestIncomeExpenseNet100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestIncomeExpenseNonoperatingNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value-19-60-21-22-24-21-23-23-25-28-25-25-24-24-23-22-21-22-21-22-19-23-23-21-20-27-11-9-9-9-30
Percentage of InterestIncomeExpenseNonoperatingNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestPaid



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-31
Value760738738738122919301828162715261527152792910695
Percentage of InterestPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value011220000
Percentage of NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NumberOfReportableSegments



Period End2020-03-312019-12-312019-09-302014-09-30
Value3.00.00.00.0
Percentage of NumberOfReportableSegments100.00.00.00.0

us-gaap:OciBeforeReclassificationsNetOfTaxAttributableToParent



Period End2020-03-31
Value200000.0
Percentage of OciBeforeReclassificationsNetOfTaxAttributableToParent100.0

us-gaap:DerivativeInstrumentRisk, us-gaap:StatementEquityComponents

pkg:MarketableDebtSecurities, us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges



Period End2020-03-31
Value200000.0
Percentage of OciBeforeReclassificationsNetOfTaxAttributableToParent100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax



Period End2020-03-312019-12-312019-09-302019-03-312018-12-312018-09-302018-03-31
Value0-600000
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax0.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312016-09-302016-06-30
Value2-303336443-2522-2525
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value22222233321221111222211101361111
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax



Period End2020-03-312019-03-31
Value100000.00.0
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax100.00.0

us-gaap:OtherOperatingActivitiesCashFlowStatement



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-12-312011-09-302011-03-31
Value5-4044-144-1-9112-1-9022-10-51-5-54-2200-100-105-1-95
Percentage of OtherOperatingActivitiesCashFlowStatement100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherOperatingIncomeExpenseNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value-3-3-20-1-20-2-2400-1-20-2-1-3-33-4-2-13-12-7-23-37-6-10-3-3-1-3-2-1-1
Percentage of OtherOperatingIncomeExpenseNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value1111111112111111111111111000
Percentage of ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:PaymentsOfDividendsCommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-01-122018-03-312017-12-312017-09-302017-07-312017-06-302017-04-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
Value74747474747474595959595959595959595151535353543939393939393930049241915151515151515
Percentage of PaymentsOfDividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SubsequentEventType

us-gaap:SubsequentEvent



Period End2020-04-152020-01-152019-10-152019-07-152019-04-152019-01-152018-10-152018-07-132018-04-132017-04-302017-01-132016-10-142016-07-152016-04-152016-01-152015-10-152015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value74747474747474745959595951515353535439393939
Percentage of PaymentsOfDividendsCommonStock0.00.00.00.00.00.00.00.00.0100.00.00.00.00.00.00.0100.0100.0100.0100.0100.1100.0

us-gaap:PaymentsToAcquireOtherProductiveAssets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
Value202010101012213323332053200010012000100
Percentage of PaymentsToAcquireOtherProductiveAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value-2-9-3-3-3
Percentage of ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value-2-2-2-2-2
Percentage of ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent100.024.570.672.769.7

us-gaap:ProductOrService, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:RelatedPartiesAmountInCostOfSales

pkg:Fiber, us-gaap:CoVenturer



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value2219212120172222234344455677773
Percentage of RelatedPartiesAmountInCostOfSales100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

pkg:WoodProductsIncludingChipsAndLogs, us-gaap:CoVenturer



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-30
Value43444444434453
Percentage of RelatedPartiesAmountInCostOfSales18.618.920.620.622.022.718.320.80.00.00.00.021.3100.0

us-gaap:RepaymentsOfDebtAndCapitalLeaseObligations



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0922000000150
Percentage of RepaymentsOfDebtAndCapitalLeaseObligations100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Range, us-gaap:StatementScenario

us-gaap:RestructuringCharges

srt:Maximum, srt:ScenarioForecast



Period End2020-06-30
Value25
Percentage of RestructuringCharges100.0

srt:Minimum, srt:ScenarioForecast



Period End2020-06-30
Value21
Percentage of RestructuringCharges84.0

us-gaap:StatementBusinessSegments

pkg:PackagingAndPaper



Period End2020-03-31
Value400000.0
Percentage of RestructuringCharges0.0

us-gaap:Range, us-gaap:StatementScenario

us-gaap:RestructuringCostsAndAssetImpairmentCharges

srt:Maximum, srt:ScenarioForecast



Period End2020-06-30
Value13
Percentage of RestructuringCostsAndAssetImpairmentCharges100.0

srt:Minimum, srt:ScenarioForecast



Period End2020-06-30
Value9
Percentage of RestructuringCostsAndAssetImpairmentCharges69.2

us-gaap:RestructuringReserveAcceleratedDepreciation



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value00000005880000009618151
Percentage of RestructuringReserveAcceleratedDepreciation0.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0100.0100.0100.0100.0100.0

us-gaap:ProductOrService, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:RevenueFromRelatedParties

pkg:Fiber, us-gaap:CoVenturer



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value22192121201722222332151722182523211821181610
Percentage of RevenueFromRelatedParties100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

pkg:PerformanceUnits



Period End2020-03-312019-12-312019-09-302018-12-312018-09-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-09-302014-06-302014-03-31
Value96.630.00.00.019999999999996020.00.00.0108.190.00.00.067.570.00.010000000000005116-0.140000000000000570.071.190.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue100.00.00.0100.00.00.00.0100.00.00.00.0100.00.0100.0100.00.0100.00.0

us-gaap:RestrictedStock



Period End2020-03-312019-12-312019-09-302018-12-312018-09-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312014-09-302014-06-302014-03-31
Value94.280.0300000000000011370.00.00.00.00.0107.570.00.00.05.13000000000000362.350.0-0.090000000000003410.00.04.94999999999998965.29
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue97.60.00.00.00.00.00.099.40.00.00.07.60.00.064.30.00.07.00.0

us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensationGross

us-gaap:CommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-194000.0495000.02000.0-255000.03000.0432000.01000.0-219000.02000.0
Percentage of StockIssuedDuringPeriodSharesShareBasedCompensationGross100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnrealizedGainOnSecurities



Period End2020-03-31
Value500000.0
Percentage of UnrealizedGainOnSecurities100.0

us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel1



Period End2020-03-31
Value400000.0
Percentage of UnrealizedGainOnSecurities80.0

us-gaap:FairValueInputsLevel2



Period End2020-03-31
Value100000.0
Percentage of UnrealizedGainOnSecurities20.0

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument

us-gaap:FairValueInputsLevel2, us-gaap:CorporateDebtSecurities



Period End2020-03-31
Value100000.0
Percentage of UnrealizedGainOnSecurities20.0

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:InvestmentType

us-gaap:FairValueInputsLevel1, us-gaap:USTreasurySecurities



Period End2020-03-31
Value400000.0
Percentage of UnrealizedGainOnSecurities80.0

us-gaap:UnrealizedLossOnSecurities



Period End2020-03-31
Value800000.0
Percentage of UnrealizedLossOnSecurities100.0

us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel2



Period End2020-03-31
Value800000.0
Percentage of UnrealizedLossOnSecurities100.0

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument

us-gaap:FairValueInputsLevel2, us-gaap:CorporateDebtSecurities



Period End2020-03-31
Value800000.0
Percentage of UnrealizedLossOnSecurities100.0

dei:LegalEntity

us-gaap:VariableInterestEntityOwnershipPercentage

pkg:PackagingCorporationOfAmerica



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.50.00.00.50.50.00.00.00.50.00.0
Percentage of VariableInterestEntityOwnershipPercentage100.00.00.0100.0100.00.00.00.0100.00.00.0

us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:CoVenturer



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value0.50.00.00.50.50.00.00.00.50.00.00.00.50.00.00.00.50.00.00.00.50.00.0
Percentage of VariableInterestEntityOwnershipPercentage100.00.00.0100.0100.00.00.00.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

pkg:AccrualForFranchisePropertySalesAndUseTaxesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312011-12-312010-12-31
Value1915252117132118151622181516191715162318161727211920989
Percentage of AccrualForFranchisePropertySalesAndUseTaxesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

pkg:AccruedMedicalInsuranceAndWorkersCompensationCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value26262627262727262523282928
Percentage of AccruedMedicalInsuranceAndWorkersCompensationCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

pkg:AllowanceForDoubtfulAccountsReceivableAndReserveForCustomerDeductionsCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-31
Value13121312131314131312111010109910101212121112111110655555555445556
Percentage of AllowanceForDoubtfulAccountsReceivableAndReserveForCustomerDeductionsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedEmployeeBenefitsCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value8512412110681136131109781271199973120114886410610997781301361268613071
Percentage of AccruedEmployeeBenefitsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedEnvironmentalLossContingenciesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value55555544444456779798976757
Percentage of AccruedEnvironmentalLossContingenciesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedLiabilitiesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-31
Value17821722019716022222319515720320717714720120417014419320918916422022820718021412912091122114102122163110937711111193106
Percentage of AccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedMarketingCostsCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312011-12-312010-12-31
Value242727221825211816232118141820161115141310131211911131817
Percentage of AccruedMarketingCostsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdditionalPaidInCapitalCommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-31
Value534524518513501494488482476471466460456451446441432439438441436432427423412401396392382378370363361351356331350362370391387
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtSecuritiesCurrent



Period End2020-03-312019-12-31
Value9287
Percentage of AvailableForSaleSecuritiesDebtSecuritiesCurrent100.0100.0

us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel1



Period End2020-03-312019-12-31
Value1311
Percentage of AvailableForSaleSecuritiesDebtSecuritiesCurrent15.013.1

us-gaap:FairValueInputsLevel2



Period End2020-03-312019-12-31
Value7876
Percentage of AvailableForSaleSecuritiesDebtSecuritiesCurrent85.086.9

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument

us-gaap:FairValueInputsLevel2, us-gaap:CorporateDebtSecurities



Period End2020-03-312019-12-31
Value6964
Percentage of AvailableForSaleSecuritiesDebtSecuritiesCurrent75.673.5

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:InvestmentType

us-gaap:FairValueInputsLevel1, us-gaap:USTreasurySecurities



Period End2020-03-312019-12-31
Value1311
Percentage of AvailableForSaleSecuritiesDebtSecuritiesCurrent15.013.1

us-gaap:FairValueInputsLevel2, us-gaap:CommercialPaper



Period End2020-03-312019-12-31
Value14
Percentage of AvailableForSaleSecuritiesDebtSecuritiesCurrent2.05.6

us-gaap:AvailableForSaleSecuritiesDebtSecuritiesNoncurrent



Period End2020-03-312019-12-31
Value5758
Percentage of AvailableForSaleSecuritiesDebtSecuritiesNoncurrent100.0100.0

us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel1



Period End2020-03-312019-12-31
Value1612
Percentage of AvailableForSaleSecuritiesDebtSecuritiesNoncurrent29.421.5

us-gaap:FairValueInputsLevel2



Period End2020-03-312019-12-31
Value4045
Percentage of AvailableForSaleSecuritiesDebtSecuritiesNoncurrent70.678.5

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument

us-gaap:FairValueInputsLevel2, us-gaap:CorporateDebtSecurities



Period End2020-03-312019-12-31
Value3741
Percentage of AvailableForSaleSecuritiesDebtSecuritiesNoncurrent66.071.6

us-gaap:FairValueInputsLevel2, us-gaap:USGovernmentAgenciesDebtSecurities



Period End2020-03-312019-12-31
Value24
Percentage of AvailableForSaleSecuritiesDebtSecuritiesNoncurrent4.66.9

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:InvestmentType

us-gaap:FairValueInputsLevel1, us-gaap:USTreasurySecurities



Period End2020-03-312019-12-31
Value1612
Percentage of AvailableForSaleSecuritiesDebtSecuritiesNoncurrent29.421.5

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations



Period End2020-03-312019-12-312019-09-302019-03-312018-12-312018-09-302017-12-312016-12-31
Value764679738442361293216239
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPosition



Period End2020-03-312019-12-31
Value10478
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPosition100.0100.0

us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities



Period End2020-03-312019-12-31
Value10263
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPosition97.381.0

us-gaap:USGovernmentAgenciesDebtSecurities



Period End2020-03-312019-12-31
Value10
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPosition1.01.0

us-gaap:InvestmentType

us-gaap:CertificatesOfDeposit



Period End2020-03-31
Value1
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPosition1.6

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss



Period End2020-03-31
Value800000.0
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss100.0

us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities



Period End2020-03-31
Value800000.0
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss100.0

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions



Period End2020-03-312019-12-31
Value108.071.0
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions100.0100.0

us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities



Period End2020-03-312019-12-31
Value105.061.0
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions97.285.9

us-gaap:InvestmentType

us-gaap:CertificatesOfDeposit



Period End2020-03-31
Value2.0
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions1.9

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized



Period End2020-03-312019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value6344455258354045503035394427323740283236402627
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AwardType

pkg:PerformanceUnits



Period End2020-03-312019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-12-31
Value2517141517891012791057756622
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized40.538.730.830.129.524.624.324.123.923.322.922.519.619.018.517.416.516.210.410.7

us-gaap:RestrictedStock



Period End2020-03-312019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value37273136412630343823273034222630332327303323242225
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized59.561.369.269.970.575.475.775.976.176.777.077.177.580.481.181.081.582.683.283.583.889.689.30.00.0

us-gaap:FinanceLeaseLiabilityCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value111111
Percentage of FinanceLeaseLiabilityCurrent100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value151616161717
Percentage of FinanceLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value21320419418417516515514513512511410697898074686257514540342823171312111010987766
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:CustomerRelationships



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value18918017116215314413512611810910093867973676257524742363126211612121110998776
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization88.588.388.187.987.787.387.087.287.687.888.088.488.989.491.291.291.291.491.491.691.992.292.493.093.794.896.296.596.897.297.998.398.999.399.6100.0

us-gaap:OtherIntangibleAssets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value3333222222111100000000000000000000
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization1.61.61.61.61.71.61.71.61.61.61.71.61.51.60.20.30.30.30.40.40.40.20.40.50.50.63.83.53.22.82.11.71.10.7

us-gaap:TrademarksAndTradeNames



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value212019191818171614131110986655443321100
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization9.910.110.210.410.711.111.311.110.810.610.310.09.59.18.68.58.58.38.28.07.77.57.16.55.84.62.3

us-gaap:FiniteLivedIntangibleAssetsGross



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value5425425425425435435295295355354624624564564353333333333333333333333333343273274949494944444432272317
Percentage of FiniteLivedIntangibleAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:CustomerRelationships



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value50350350350350450449149149749742942942442440831131131131131131131131131230630648484848444432
Percentage of FiniteLivedIntangibleAssetsGross92.892.892.892.892.892.892.892.893.093.092.992.993.093.093.893.493.493.493.493.493.493.493.493.593.493.498.098.098.098.098.598.598.9

us-gaap:OtherIntangibleAssets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value444444444444441000000000000000000
Percentage of FiniteLivedIntangibleAssetsGross0.80.80.80.80.80.80.80.80.80.80.90.90.90.90.30.10.10.10.10.10.10.10.10.10.10.12.02.02.02.01.51.51.1

us-gaap:TrademarksAndTradeNames



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value34343434343433333232282827272521212121212121212121210
Percentage of FiniteLivedIntangibleAssetsGross6.46.46.46.46.46.46.46.46.16.16.26.26.16.15.96.56.56.56.56.56.56.56.56.46.56.51.6

us-gaap:InterestPayableCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-31
Value30132611271127112714181319131813181318131813198199535341241241241241212
Percentage of InterestPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryRawMaterials



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value269271280303330307317291293279263257282271259256272260271254275261239239239212134124131125124123124126123114126
Percentage of InventoryRawMaterials100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryWorkInProcess



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value121115141313141514121313131214111214131312111212121398888887876
Percentage of InventoryWorkInProcess100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentOwnedAtCost



Period End2020-03-312019-12-31
Value913825
Percentage of InvestmentOwnedAtCost100.0100.0

us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel1



Period End2020-03-312019-12-31
Value3127
Percentage of InvestmentOwnedAtCost3.43.3

us-gaap:FairValueInputsLevel2



Period End2020-03-312019-12-31
Value119122
Percentage of InvestmentOwnedAtCost13.114.9

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument

us-gaap:FairValueInputsLevel2, us-gaap:CorporateDebtSecurities



Period End2020-03-312019-12-31
Value108106
Percentage of InvestmentOwnedAtCost11.812.9

us-gaap:FairValueInputsLevel2, us-gaap:USGovernmentAgenciesDebtSecurities



Period End2020-03-312019-12-31
Value57
Percentage of InvestmentOwnedAtCost0.60.8

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:InvestmentType

us-gaap:FairValueInputsLevel1, us-gaap:MoneyMarketFunds



Period End2020-03-312019-12-31
Value300000.0100000.0
Percentage of InvestmentOwnedAtCost0.00.0

us-gaap:FairValueInputsLevel1, us-gaap:USTreasurySecurities



Period End2020-03-312019-12-31
Value3027
Percentage of InvestmentOwnedAtCost3.43.3

us-gaap:FairValueInputsLevel2, us-gaap:CommercialPaper



Period End2020-03-312019-12-31
Value15
Percentage of InvestmentOwnedAtCost0.20.7

us-gaap:InvestmentType

us-gaap:CashAndCashEquivalents



Period End2020-03-312019-12-31
Value763675
Percentage of InvestmentOwnedAtCost83.581.8

us-gaap:InvestmentOwnedAtFairValue



Period End2020-03-312019-12-31
Value913825
Percentage of InvestmentOwnedAtFairValue100.0100.0

us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel1



Period End2020-03-312019-12-31
Value3127
Percentage of InvestmentOwnedAtFairValue3.43.3

us-gaap:FairValueInputsLevel2



Period End2020-03-312019-12-31
Value118122
Percentage of InvestmentOwnedAtFairValue13.014.9

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument

us-gaap:FairValueInputsLevel2, us-gaap:CorporateDebtSecurities



Period End2020-03-312019-12-31
Value107106
Percentage of InvestmentOwnedAtFairValue11.812.9

us-gaap:FairValueInputsLevel2, us-gaap:USGovernmentAgenciesDebtSecurities



Period End2020-03-312019-12-31
Value57
Percentage of InvestmentOwnedAtFairValue0.60.8

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:InvestmentType

us-gaap:FairValueInputsLevel1, us-gaap:MoneyMarketFunds



Period End2020-03-312019-12-31
Value300000.0100000.0
Percentage of InvestmentOwnedAtFairValue0.00.0

us-gaap:FairValueInputsLevel1, us-gaap:USTreasurySecurities



Period End2020-03-312019-12-31
Value3127
Percentage of InvestmentOwnedAtFairValue3.43.3

us-gaap:FairValueInputsLevel2, us-gaap:CommercialPaper



Period End2020-03-312019-12-31
Value15
Percentage of InvestmentOwnedAtFairValue0.20.7

us-gaap:InvestmentType

us-gaap:CashAndCashEquivalents



Period End2020-03-312019-12-31
Value763675
Percentage of InvestmentOwnedAtFairValue83.681.8

us-gaap:OperatingLeaseLiabilityCurrent



Period End2020-03-312019-12-312019-09-302019-06-30
Value64626059
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0

us-gaap:OperatingLeaseLiabilityNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-30
Value177177177183
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0

us-gaap:OtherInventorySupplies



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value307303294284277274267259255253245240235232227220217212204192182175169163160158113116119119116117116115109104102
Percentage of OtherInventorySupplies100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Range, us-gaap:StatementScenario

us-gaap:RestructuringAndRelatedCostExpectedCost1

srt:Maximum, srt:ScenarioForecast



Period End2020-06-30
Value18
Percentage of RestructuringAndRelatedCostExpectedCost1100.0

srt:Minimum, srt:ScenarioForecast



Period End2020-06-30
Value14
Percentage of RestructuringAndRelatedCostExpectedCost177.8

us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber

pkg:PerformanceUnits



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value00000000000000000000001271277070
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302011-12-312010-12-31
Value000000000000000001111112161222142414631373152817711798210118171478
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber210.6221.9224.1228.4277.5278.8279.6281.5324.6326.5327.7330.3329.6338.7351.1356.1596.2573.7580.3591.9913.1928.9954.6959.02018.22073.20.00.00.00.00.00.00.0

us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

pkg:PerformanceUnits



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value96.5896.5696.5696.5690.0190.0190.0190.0177.0777.0777.0777.0762.6862.6862.6862.6860.2559.9460.2460.1358.2558.2558.2558.2547.8347.83
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312011-12-312010-12-31
Value94.4794.594.594.2586.8986.988.0787.9677.2477.2377.1177.0763.3363.4462.9862.9949.6649.4749.9749.8240.9141.7141.7341.7232.431.4823.4422.3720.7
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue97.897.997.997.696.596.597.897.7100.2100.2100.1100.0101.0101.2100.5100.582.482.583.082.970.271.671.671.667.765.80.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant



Period End2020-03-312020-02-25
Value01
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant100.0100.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312016-09-302015-12-312014-12-312013-12-31
Value314930713034292127942672253023882273218217591730163315211356
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value-157-159-128-132-135-138-145-149-153-156-139-124-153-65
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-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

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value534524518513501494488482476471451439432401
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest17.017.117.117.617.918.519.320.220.921.625.726.928.429.6

us-gaap:CommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value900000.0900000.0900000.0900000.0900000.0900000.0900000.0900000.0900000.0900000.0900000.01000000.01000000.01000000.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.10.10.10.1

us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value27712704264325392427231521852054194918671447131712421019
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest88.088.187.186.986.986.786.486.085.785.682.280.781.675.1

us-gaap:SupplementalUnemploymentBenefitsSeveranceBenefits



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value4334223333433332479128823780
Percentage of SupplementalUnemploymentBenefitsSeveranceBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

Line plots across dimensions of each concept

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementBusinessSegments


us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems


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


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


us-gaap:OperatingIncomeLoss us-gaap:StatementBusinessSegments


us-gaap:ComprehensiveIncomeNetOfTax us-gaap:StatementEquityComponents


us-gaap:StockholdersEquity us-gaap:StatementEquityComponents


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


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


us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType


us-gaap:Goodwill us-gaap:StatementBusinessSegments


us-gaap:StockholdersEquity us-gaap:StatementEquityComponents


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