cm:Level3TextBlock: us-gaap:BusinessAcquisitionProFormaInformationNonrecurringAdjustmentsTableTextBlock
Business Acquisition, Pro Forma Information, Nonrecurring Adjustments [Table Text Block] |
us-gaap:BusinessAcquisitionProFormaInformationNonrecurringAdjustmentsTableTextBlock |
Tabular disclosure of the nature and amount of any material, nonrecurring adjustments directly attributable to the business combination(s) included in the reported pro forma revenue and earnings (supplemental pro forma information). |
cm:Level3TextBlock |
Text Block (HTML) (nonnum:textBlockItemType) |
For Period (duration) |
(no balance type) |
false |
us-gaap:BusinessAcquisitionProFormaInformationNonrecurringAdjustmentsTableTextBlock |