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cm:Concept: us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardPerShareWeightedAveragePriceOfSharesPurchased
Standard label: Share-based Compensation Arrangement by Share-based Payment Award, Per Share Weighted Average Price of Shares Purchased
Name: us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardPerShareWeightedAveragePriceOfSharesPurchased
Documentation: Per share weighted-average price paid for shares purchased on open market for issuance under share-based payment arrangement.
Object type: cm:Concept
Data type: Share (num:perShareItemType)
Period type: As Of (instant)
Balance type: (no balance type)
Abstract: false
Workiva Wdesk Taxonomy Analyzer: us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardPerShareWeightedAveragePriceOfSharesPurchased

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Labels
Label Role Language
Share-based Compensation Arrangement by Share-based Payment Award, Per Share Weighted Average Price of Shares Purchased http://www.xbrl.org/2003/role/label en-US

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References
Reference Role Topic
FASB Accounting Standards Codification 718 10 50 1 (a) http://fasb.org/us-gaap/role/ref/legacyRef 718
FASB Accounting Standards Codification 718 10 50 2 http://fasb.org/us-gaap/role/ref/legacyRef 718