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FAIR VALUE OF FINANCIAL INSTRUMENTS (Debt) (Detail) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2015
Dec. 31, 2014
5.51% Senior notes due 2017 [Member]    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Interest rate 5.51%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_LongtermDebtTypeAxis
= cw_SeniorNotesFiveFiftyOneMember		  
3.84% Senior notes due 2021 [Member]    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Interest rate 3.84%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_LongtermDebtTypeAxis
= cw_SeniorNotesThreeEightyFourMember		  
3.70% Senior notes due 2023 [Member]    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Interest rate 3.70%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_LongtermDebtTypeAxis
= cw_SeniorNotesThreeSeventyMember		  
3.85% Senior notes due 2025 [Member]    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Interest rate 3.85%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_LongtermDebtTypeAxis
= cw_SeniorNotesThreeEightyFiveMember		  
4.24% Senior notes due 2026 [Member]    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Interest rate 4.24%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_LongtermDebtTypeAxis
= cw_SeniorNotesFourTwentyFourMember		  
4.05% Senior notes due 2028 [Member]    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Interest rate 4.05%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_LongtermDebtTypeAxis
= cw_SeniorNotesFourZeroFiveMember		  
4.11% Senior Notes [Member]    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Interest rate 4.11%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_LongtermDebtTypeAxis
= cw_SeniorNotesFourElevenMember		  
Reported Value Measurement [Member]    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Carrying Value $ 966,154us-gaap_LongTermDebt
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_CarryingReportedAmountFairValueDisclosureMember		 $ 954,348us-gaap_LongTermDebt
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_CarryingReportedAmountFairValueDisclosureMember
Reported Value Measurement [Member] | Industrial revenue bond, due 2023 [Member]    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Carrying Value 8,400us-gaap_LongTermDebt
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_CarryingReportedAmountFairValueDisclosureMember
/ us-gaap_LongtermDebtTypeAxis
= cw_IndustrialRevenueBondMember		 8,400us-gaap_LongTermDebt
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_CarryingReportedAmountFairValueDisclosureMember
/ us-gaap_LongtermDebtTypeAxis
= cw_IndustrialRevenueBondMember
Reported Value Measurement [Member] | 5.51% Senior notes due 2017 [Member]    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Carrying Value 150,000us-gaap_LongTermDebt
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_CarryingReportedAmountFairValueDisclosureMember
/ us-gaap_LongtermDebtTypeAxis
= cw_SeniorNotesFiveFiftyOneMember		 150,000us-gaap_LongTermDebt
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_CarryingReportedAmountFairValueDisclosureMember
/ us-gaap_LongtermDebtTypeAxis
= cw_SeniorNotesFiveFiftyOneMember
Reported Value Measurement [Member] | 3.84% Senior notes due 2021 [Member]    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Carrying Value 100,425us-gaap_LongTermDebt
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_CarryingReportedAmountFairValueDisclosureMember
/ us-gaap_LongtermDebtTypeAxis
= cw_SeniorNotesThreeEightyFourMember		 99,934us-gaap_LongTermDebt
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_CarryingReportedAmountFairValueDisclosureMember
/ us-gaap_LongtermDebtTypeAxis
= cw_SeniorNotesThreeEightyFourMember
Reported Value Measurement [Member] | 3.70% Senior notes due 2023 [Member]    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Carrying Value 225,000us-gaap_LongTermDebt
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_CarryingReportedAmountFairValueDisclosureMember
/ us-gaap_LongtermDebtTypeAxis
= cw_SeniorNotesThreeSeventyMember		 225,000us-gaap_LongTermDebt
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_CarryingReportedAmountFairValueDisclosureMember
/ us-gaap_LongtermDebtTypeAxis
= cw_SeniorNotesThreeSeventyMember
Reported Value Measurement [Member] | 3.85% Senior notes due 2025 [Member]    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Carrying Value 101,132us-gaap_LongTermDebt
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_CarryingReportedAmountFairValueDisclosureMember
/ us-gaap_LongtermDebtTypeAxis
= cw_SeniorNotesThreeEightyFiveMember		 98,360us-gaap_LongTermDebt
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_CarryingReportedAmountFairValueDisclosureMember
/ us-gaap_LongtermDebtTypeAxis
= cw_SeniorNotesThreeEightyFiveMember
Reported Value Measurement [Member] | 4.24% Senior notes due 2026 [Member]    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Carrying Value 203,403us-gaap_LongTermDebt
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_CarryingReportedAmountFairValueDisclosureMember
/ us-gaap_LongtermDebtTypeAxis
= cw_SeniorNotesFourTwentyFourMember		 197,237us-gaap_LongTermDebt
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_CarryingReportedAmountFairValueDisclosureMember
/ us-gaap_LongtermDebtTypeAxis
= cw_SeniorNotesFourTwentyFourMember
Reported Value Measurement [Member] | 4.05% Senior notes due 2028 [Member]    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Carrying Value 76,829us-gaap_LongTermDebt
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_CarryingReportedAmountFairValueDisclosureMember
/ us-gaap_LongtermDebtTypeAxis
= cw_SeniorNotesFourZeroFiveMember		 74,348us-gaap_LongTermDebt
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_CarryingReportedAmountFairValueDisclosureMember
/ us-gaap_LongtermDebtTypeAxis
= cw_SeniorNotesFourZeroFiveMember
Reported Value Measurement [Member] | 4.11% Senior Notes [Member]    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Carrying Value 100,000us-gaap_LongTermDebt
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_CarryingReportedAmountFairValueDisclosureMember
/ us-gaap_LongtermDebtTypeAxis
= cw_SeniorNotesFourElevenMember		 100,000us-gaap_LongTermDebt
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_CarryingReportedAmountFairValueDisclosureMember
/ us-gaap_LongtermDebtTypeAxis
= cw_SeniorNotesFourElevenMember
Reported Value Measurement [Member] | Other debt [Member]    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Carrying Value 965us-gaap_LongTermDebt
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_CarryingReportedAmountFairValueDisclosureMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_OtherDebtSecuritiesMember		 1,069us-gaap_LongTermDebt
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_CarryingReportedAmountFairValueDisclosureMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_OtherDebtSecuritiesMember
Estimate of Fair Value Measurement [Member]    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Estimated Fair Value 990,472us-gaap_LongTermDebtFairValue
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_EstimateOfFairValueFairValueDisclosureMember		 968,514us-gaap_LongTermDebtFairValue
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_EstimateOfFairValueFairValueDisclosureMember
Estimate of Fair Value Measurement [Member] | Industrial revenue bond, due 2023 [Member]    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Estimated Fair Value 8,400us-gaap_LongTermDebtFairValue
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_EstimateOfFairValueFairValueDisclosureMember
/ us-gaap_LongtermDebtTypeAxis
= cw_IndustrialRevenueBondMember		 8,400us-gaap_LongTermDebtFairValue
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_EstimateOfFairValueFairValueDisclosureMember
/ us-gaap_LongtermDebtTypeAxis
= cw_IndustrialRevenueBondMember
Estimate of Fair Value Measurement [Member] | 5.51% Senior notes due 2017 [Member]    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Estimated Fair Value 162,675us-gaap_LongTermDebtFairValue
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_EstimateOfFairValueFairValueDisclosureMember
/ us-gaap_LongtermDebtTypeAxis
= cw_SeniorNotesFiveFiftyOneMember		 162,617us-gaap_LongTermDebtFairValue
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_EstimateOfFairValueFairValueDisclosureMember
/ us-gaap_LongtermDebtTypeAxis
= cw_SeniorNotesFiveFiftyOneMember
Estimate of Fair Value Measurement [Member] | 3.84% Senior notes due 2021 [Member]    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Estimated Fair Value 100,425us-gaap_LongTermDebtFairValue
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_EstimateOfFairValueFairValueDisclosureMember
/ us-gaap_LongtermDebtTypeAxis
= cw_SeniorNotesThreeEightyFourMember		 99,934us-gaap_LongTermDebtFairValue
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_EstimateOfFairValueFairValueDisclosureMember
/ us-gaap_LongtermDebtTypeAxis
= cw_SeniorNotesThreeEightyFourMember
Estimate of Fair Value Measurement [Member] | 3.70% Senior notes due 2023 [Member]    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Estimated Fair Value 231,602us-gaap_LongTermDebtFairValue
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_EstimateOfFairValueFairValueDisclosureMember
/ us-gaap_LongtermDebtTypeAxis
= cw_SeniorNotesThreeSeventyMember		 225,748us-gaap_LongTermDebtFairValue
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_EstimateOfFairValueFairValueDisclosureMember
/ us-gaap_LongtermDebtTypeAxis
= cw_SeniorNotesThreeSeventyMember
Estimate of Fair Value Measurement [Member] | 3.85% Senior notes due 2025 [Member]    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Estimated Fair Value 101,132us-gaap_LongTermDebtFairValue
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_EstimateOfFairValueFairValueDisclosureMember
/ us-gaap_LongtermDebtTypeAxis
= cw_SeniorNotesThreeEightyFiveMember		 98,360us-gaap_LongTermDebtFairValue
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_EstimateOfFairValueFairValueDisclosureMember
/ us-gaap_LongtermDebtTypeAxis
= cw_SeniorNotesThreeEightyFiveMember
Estimate of Fair Value Measurement [Member] | 4.24% Senior notes due 2026 [Member]    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Estimated Fair Value 203,403us-gaap_LongTermDebtFairValue
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_EstimateOfFairValueFairValueDisclosureMember
/ us-gaap_LongtermDebtTypeAxis
= cw_SeniorNotesFourTwentyFourMember		 197,237us-gaap_LongTermDebtFairValue
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_EstimateOfFairValueFairValueDisclosureMember
/ us-gaap_LongtermDebtTypeAxis
= cw_SeniorNotesFourTwentyFourMember
Estimate of Fair Value Measurement [Member] | 4.05% Senior notes due 2028 [Member]    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Estimated Fair Value 76,829us-gaap_LongTermDebtFairValue
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_EstimateOfFairValueFairValueDisclosureMember
/ us-gaap_LongtermDebtTypeAxis
= cw_SeniorNotesFourZeroFiveMember		 74,348us-gaap_LongTermDebtFairValue
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_EstimateOfFairValueFairValueDisclosureMember
/ us-gaap_LongtermDebtTypeAxis
= cw_SeniorNotesFourZeroFiveMember
Estimate of Fair Value Measurement [Member] | 4.11% Senior Notes [Member]    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Estimated Fair Value 105,041us-gaap_LongTermDebtFairValue
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_EstimateOfFairValueFairValueDisclosureMember
/ us-gaap_LongtermDebtTypeAxis
= cw_SeniorNotesFourElevenMember		 100,801us-gaap_LongTermDebtFairValue
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_EstimateOfFairValueFairValueDisclosureMember
/ us-gaap_LongtermDebtTypeAxis
= cw_SeniorNotesFourElevenMember
Estimate of Fair Value Measurement [Member] | Other debt [Member]    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Estimated Fair Value $ 965us-gaap_LongTermDebtFairValue
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_EstimateOfFairValueFairValueDisclosureMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_OtherDebtSecuritiesMember		 $ 1,069us-gaap_LongTermDebtFairValue
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_EstimateOfFairValueFairValueDisclosureMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_OtherDebtSecuritiesMember