cm:Concept: us-gaap:AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits
Dilutive Securities, Effect on Basic Earnings Per Share, Options and Restrictive Stock Units |
us-gaap:AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits |
Amount of increase (decrease) to net income used for calculating diluted earnings per share (EPS), resulting from the assumed exercise of stock options or restrictive stock units (RSUs). |
cm:Concept |
Monetary (xbrli:monetaryItemType) |
For Period (duration) |
Credit |
false |
us-gaap:AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits |