cm:Concept: us-gaap:ContingentlyConvertibleSecuritiesIncludedInDilutedEarningsPerShare
Contingently Convertible Securities Included in Diluted Earnings Per Share [true false] |
us-gaap:ContingentlyConvertibleSecuritiesIncludedInDilutedEarningsPerShare |
Indicates (true false) whether share issuable in conversion of contingently convertible security is included in calculation of diluted earnings per share. |
cm:Concept |
Yes/No (xbrli:booleanItemType) |
For Period (duration) |
(no balance type) |
false |
us-gaap:ContingentlyConvertibleSecuritiesIncludedInDilutedEarningsPerShare |