cm:Concept: us-gaap:IncrementalCommonSharesAttributableToEquityForwardAgreements
Incremental Common Shares Attributable to Dilutive Effect of Equity Forward Agreements |
us-gaap:IncrementalCommonSharesAttributableToEquityForwardAgreements |
Additional shared included in the calculation of diluted EPS as a result of the potentially dilutive effect of equity forward arrangements using the reverse treasury stock method. |
cm:Concept |
Shares (xbrli:sharesItemType) |
For Period (duration) |
(no balance type) |
false |
us-gaap:IncrementalCommonSharesAttributableToEquityForwardAgreements |