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cm:Concept: us-gaap:DefinedBenefitPlanSettlementsBenefitObligation
Standard label: Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Settlement
Name: us-gaap:DefinedBenefitPlanSettlementsBenefitObligation
Documentation: Amount of (increase) decrease to benefit obligation of defined benefit plan from irrevocable action relieving primary responsibility for benefit obligation and eliminating risk for obligation and assets used to effect settlement. Includes, but is not limited to, lump-sum cash payment to participant in exchange for right to receive specified benefits, purchase of nonparticipating annuity contract and change from remeasurement.
Object type: cm:Concept
Data type: Monetary (xbrli:monetaryItemType)
Period type: For Period (duration)
Balance type: Debit
Abstract: false
Workiva Wdesk Taxonomy Analyzer: us-gaap:DefinedBenefitPlanSettlementsBenefitObligation

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Labels
Label Role Language
Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Settlement http://www.xbrl.org/2003/role/label en-US
Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Settlement, Total http://www.xbrl.org/2003/role/totalLabel en-US

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References
Reference Role Topic
FASB Accounting Standards Codification 715 20 50 1 (a)(10) http://fasb.org/us-gaap/role/ref/legacyRef 715

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Roll Up Relations
Part Of Roll Up:
us-gaap:DefinedBenefitPlanBenefitObligationPeriodIncreaseDecrease