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cm:Concept: us-gaap:DiscontinuedOperationTaxExpenseBenefitFromProvisionForGainLossOnDisposal
Standard label: Discontinued Operation, Tax (Expense) Benefit from Provision for (Gain) Loss on Disposal
Name: us-gaap:DiscontinuedOperationTaxExpenseBenefitFromProvisionForGainLossOnDisposal
Documentation: Amount of tax (expense) benefit on (gain) loss recognized for the (reversal of write-down) write-down to fair value, less cost to sell, of a discontinued operation.
Object type: cm:Concept
Data type: Monetary (xbrli:monetaryItemType)
Period type: For Period (duration)
Balance type: Credit
Abstract: false
Workiva Wdesk Taxonomy Analyzer: us-gaap:DiscontinuedOperationTaxExpenseBenefitFromProvisionForGainLossOnDisposal

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Labels
Label Role Language
Discontinued Operation, Tax (Expense) Benefit from Provision for (Gain) Loss on Disposal http://www.xbrl.org/2003/role/label en-US
Discontinued Operation, Tax (Expense) Benefit from Provision for (Gain) Loss on Disposal, Total http://www.xbrl.org/2003/role/totalLabel en-US

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References
Reference Role Topic
FASB Accounting Standards Codification 205 20 45 3B http://fasb.org/us-gaap/role/ref/legacyRef 205
FASB Accounting Standards Codification 205 20 50 5C (b)(2) http://fasb.org/us-gaap/role/ref/legacyRef 205
FASB Accounting Standards Codification 205 20 50 1 (b) http://fasb.org/us-gaap/role/ref/legacyRef 205
FASB Accounting Standards Codification 740 20 45 2 (b) http://fasb.org/us-gaap/role/ref/legacyRef 740

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