cm:Concept: us-gaap:ContractWithCustomerRefundLiabilityNoncurrent
Contract with Customer, Refund Liability, Noncurrent |
us-gaap:ContractWithCustomerRefundLiabilityNoncurrent |
Amount of liability for consideration received or receivable from customer which is not included in transaction price, when consideration is expected to be refunded to customer, classified as noncurrent. |
cm:Concept |
Monetary (xbrli:monetaryItemType) |
As Of (instant) |
Credit |
false |
us-gaap:ContractWithCustomerRefundLiabilityNoncurrent |