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SHARE-BASED COMPENSATION PLANS (Narrative) (Detail) (USD $)
In Millions, except Share data, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Common stock authorized 100,000,000us-gaap_CommonStockSharesAuthorized 100,000,000us-gaap_CommonStockSharesAuthorized  
2014 Omnibus Plan [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Common stock authorized 2,400,000us-gaap_CommonStockSharesAuthorized
/ us-gaap_AwardTypeAxis
= cw_A2014OmnibusPlanMember
   
Non Qualfied Stock Options [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Total intrinsic value of stock options exercised $ 28.3us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
/ us-gaap_AwardTypeAxis
= cw_NonQualfiedStockOptionsMember
$ 11.4us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
/ us-gaap_AwardTypeAxis
= cw_NonQualfiedStockOptionsMember
$ 3.1us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
/ us-gaap_AwardTypeAxis
= cw_NonQualfiedStockOptionsMember
Performance Shares [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Nonvested intrinsic value 22.0cw_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedExpectedToVestIntrinsicValue
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
   
Unrecognized compensation cost 8.6us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
   
Unrecognized compensation expense, period of recognition 2 years 3 months 18 days    
Restricted Stock Units (RSUs) [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Requisite service period 3 years    
Nonvested intrinsic value 17.3cw_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedExpectedToVestIntrinsicValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember
   
Unrecognized compensation cost 5.9us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember
   
Unrecognized compensation expense, period of recognition 2 years 8 months 1 day    
Employee Stock [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Purchase price percentage of fair market value 85.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPricePurchaseDate
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockMember
   
Authorized shares reserved 1,200,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockMember
   
Shares purchased under plan 166,948us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockMember
   
Proceeds from shares purchased under plan $ 4.5us-gaap_ProceedsFromStockPlans
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockMember
   
Number of shares equivalent related to purchase 73,929us-gaap_SharesHeldInEmployeeStockOptionPlanCommittedToBeReleased
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockMember