cm:Abstract: us-gaap:MovementInStandardAndExtendedProductWarrantyIncreaseDecreaseRollForward
Movement in Standard and Extended Product Warranty Accrual, Increase (Decrease) [Roll Forward] |
us-gaap:MovementInStandardAndExtendedProductWarrantyIncreaseDecreaseRollForward |
A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. |
cm:Abstract |
Text/String (xbrli:stringItemType) |
For Period (duration) |
(no balance type) |
true |
us-gaap:MovementInStandardAndExtendedProductWarrantyIncreaseDecreaseRollForward |