cm:Member: us-gaap:UnassertedClaimMember
| Unasserted Claim [Member] |
| us-gaap:UnassertedClaimMember |
| A claim for damages that is likely to be made and for which it is reasonably possible that there will be an unfavorable outcome, such as a likelihood that lawsuits from parties as yet unidentified will be filed alleging injury from using a product when other parties have successfully sued the entity for such use. |
| cm:Member |
| [Member] (nonnum:domainItemType) |
| For Period (duration) |
| (no balance type) |
| true |
| us-gaap:UnassertedClaimMember |