BASIS OF PRESENTATION (Detail)	3 Months Ended
Mar. 31, 2012 wholenumber
Basis Of Presentation [Abstract]
Number Manufacturing Facilities	65
Number Metal Treatment Service Facilities	58

Number of metal treatment facilities operations are conducted through.

No definition available.

Name:	cw_NumberMetalTreatmentServiceFacilities
Namespace Prefix:	cw_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration