cm:Concept: us-gaap:DefinedBenefitPlanAssetsExpectedToBeReturnedToEmployerAmount
Defined Benefit Plan, Plan Assets, Expected to be Returned to Employer, Amount |
us-gaap:DefinedBenefitPlanAssetsExpectedToBeReturnedToEmployerAmount |
Amount of defined benefit plan asset expected to be returned to employer during 12-month period, or operating cycle, if longer, following latest fiscal year. |
cm:Concept |
Monetary (xbrli:monetaryItemType) |
As Of (instant) |
Debit |
false |
us-gaap:DefinedBenefitPlanAssetsExpectedToBeReturnedToEmployerAmount |