SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Revenue Recognition) (Details) $ in Millions	Dec. 31, 2016 USD ($)
AP1000 [Member]
Revenue Recognition [Line Items]
Changes In Contract Estimates Leading Decrease In Earnings From Continuing Operations	$ 11.5

Changes in contract estimates leading decrease in earnings from continuing operations.

No definition available.

Name:	cw_ChangesInContractEstimatesLeadingDecreaseInEarningsFromContinuingOperations
Namespace Prefix:	cw_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant