ACCUMULATED OTHER COMPREHENSIVE INCOME (Narrative) (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2011
Statement Of Income And Comprehensive Income Abstract
Functional Currency Change Foreign Currency Translation Adjustment Other Comprehensive Income	$ 18.6

Foreign currency translation adjustment recorded in other comprehensive income as a result of one of the Corporation's entities changing its functional currency.

No definition available.

Name:	cw_FunctionalCurrencyChangeForeignCurrencyTranslationAdjustmentOtherComprehensiveIncome
Namespace Prefix:	cw_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration