 | us-gaap:DefinedBenefitPlanServiceCost | summation-item | http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefits |
 | us-gaap:DefinedBenefitPlanInterestCost | summation-item | http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefits |
 | us-gaap:DefinedBenefitPlanBenefitObligationContributionsByPlanParticipant | summation-item | http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefits |
 | us-gaap:DefinedBenefitPlanActuarialGainLoss | summation-item | http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefits |
 | us-gaap:DefinedBenefitPlanForeignCurrencyExchangeRateChangesBenefitObligation | summation-item | http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefits |
 | us-gaap:DefinedBenefitPlanBenefitObligationBenefitsPaid | summation-item | http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefits |
 | us-gaap:DefinedBenefitPlanBenefitObligationPrescriptionDrugSubsidyReceipt | summation-item | http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefits |
 | us-gaap:DefinedBenefitPlanPlanAmendments | summation-item | http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefits |
 | us-gaap:DefinedBenefitPlanBusinessCombinationsAndAcquisitionsBenefitObligation | summation-item | http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefits |
 | us-gaap:DefinedBenefitPlanDivestituresBenefitObligation | summation-item | http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefits |
 | us-gaap:DefinedBenefitPlanCurtailments | summation-item | http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefits |
 | us-gaap:DefinedBenefitPlanSettlementsBenefitObligation | summation-item | http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefits |
 | us-gaap:DefinedBenefitPlanSpecialTerminationBenefits | summation-item | http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefits |
 | us-gaap:DefinedBenefitPlanOtherChanges | summation-item | http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefits |