cm:Concept: us-gaap:AdvanceRoyaltiesNoncurrent
| Advance Royalties, Noncurrent |
| us-gaap:AdvanceRoyaltiesNoncurrent |
| The amount paid to music publishers, record producers, songwriters, or other artists in advance of their earning royalties from record or music sales. Such an amount is based on contractual terms and is generally nonrefundable. This amount is expected to be consumed after one year or the normal operating cycle, if longer. |
| cm:Concept |
| Monetary (xbrli:monetaryItemType) |
| As Of (instant) |
| Debit |
| false |
| us-gaap:AdvanceRoyaltiesNoncurrent |