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cm:Concept: us-gaap:RecordedUnconditionalPurchaseObligationAmountOfMaturitiesAndSinkingFundRequirements
Standard label: Recorded Unconditional Purchase Obligation, Amount of Maturities and Sinking Fund Requirements
Name: us-gaap:RecordedUnconditionalPurchaseObligationAmountOfMaturitiesAndSinkingFundRequirements
Documentation: States the combined aggregate amount of maturities and sinking fund requirements for a long-term unconditional purchase obligation that has been recognized on the balance sheet.
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:RecordedUnconditionalPurchaseObligationAmountOfMaturitiesAndSinkingFundRequirements

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Labels
Label Role Language
Recorded Unconditional Purchase Obligation, Amount of Maturities and Sinking Fund Requirements http://www.xbrl.org/2003/role/label en-US

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References
Reference Role Topic
FASB Accounting Standards Codification 470 10 50 1 http://fasb.org/us-gaap/role/ref/legacyRef 470