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cm:Concept: us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTax
Standard label: Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest
Name: us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTax
Documentation: Amount after tax of income (loss) from a discontinued operation including the portion attributable to the noncontrolling interest. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.
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:IncomeLossFromDiscontinuedOperationsNetOfTax

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Labels
Label Role Language
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest http://www.xbrl.org/2003/role/label en-US
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest, 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 45 3A 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 205 20 45 3 http://fasb.org/us-gaap/role/ref/legacyRef 205
FASB Accounting Standards Codification 205 20 45 4 http://fasb.org/us-gaap/role/ref/legacyRef 205
FASB Accounting Standards Codification 220 10 S99 2 (SX 210.5-03(21)) http://fasb.org/us-gaap/role/ref/legacyRef 220
FASB Accounting Standards Codification 944 220 S99 1 (SX 210.7-04(12)) http://fasb.org/us-gaap/role/ref/legacyRef 944

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