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cm:Concept: us-gaap:OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent
Standard label: Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent
Name: us-gaap:OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent
Documentation: Amount before tax of other comprehensive income (loss) attributable to parent entity.
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:OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent

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Labels
Label Role Language
Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent http://www.xbrl.org/2003/role/label en-US
Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent, Total http://www.xbrl.org/2003/role/totalLabel en-US

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References
Reference Role Topic
FASB Accounting Standards Codification 810 10 50 1A (c)(3) http://fasb.org/us-gaap/role/ref/legacyRef 810
FASB Accounting Standards Codification 810 10 45 19 http://fasb.org/us-gaap/role/ref/legacyRef 810
FASB Accounting Standards Codification 810 10 45 20 http://fasb.org/us-gaap/role/ref/legacyRef 810