cm:Concept: us-gaap:DeferredSetUpCostsCurrent
| Deferred Set-up Costs, Current |
| us-gaap:DeferredSetUpCostsCurrent |
| Deferred incremental direct costs incurred typically at a contract's inception so that the company may be in a position to fulfill all contractual obligations of an arrangement. The costs are directly related to specified activities under the arrangement and are deferred in order to match revenue that will be recognized within one year of the balance sheet date (or one operating cycle if longer). |
| cm:Concept |
| Monetary (xbrli:monetaryItemType) |
| As Of (instant) |
| Debit |
| false |
| us-gaap:DeferredSetUpCostsCurrent |