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cm:Concept: us-gaap:DisposalGroupIncludingDiscontinuedOperationPostretirementPlanBenefitObligationCurrent
Standard label: Disposal Group, Including Discontinued Operation, Postretirement Plan Benefit Obligation, Current
Name: us-gaap:DisposalGroupIncludingDiscontinuedOperationPostretirementPlanBenefitObligationCurrent
Documentation: Amount classified as defined benefit non-pension postretirement plan obligations attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.
Object type: cm:Concept
Data type: Monetary (xbrli:monetaryItemType)
Period type: As Of (instant)
Balance type: Credit
Abstract: false
Workiva Wdesk Taxonomy Analyzer: us-gaap:DisposalGroupIncludingDiscontinuedOperationPostretirementPlanBenefitObligationCurrent

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Labels
Label Role Language
Disposal Group, Including Discontinued Operation, Postretirement Plan Benefit Obligation, Current http://www.xbrl.org/2003/role/label en-US

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References
Reference Role Topic
FASB Accounting Standards Codification 205 20 50 5B (e) http://fasb.org/us-gaap/role/ref/legacyRef 205
FASB Accounting Standards Codification 205 20 45 11 http://fasb.org/us-gaap/role/ref/legacyRef 205
FASB Accounting Standards Codification 360 10 50 3 (e) http://fasb.org/us-gaap/role/ref/legacyRef 360

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