ACQUISITION (Proforma Narrative) (Detail) (Phonix Group [Member], Flow Control [Member], USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended
Sep. 30, 2012	Sep. 30, 2012
Phonix Group [Member] \| Flow Control [Member]
Business Acquisition [Line Items]
Additional amortization of intangible assets	$ 3.3	$ 9.7
Elimination of historical interest expense	0.9	2.9
Additional interest expense	$ 4.6	$ 13.6

The additional amortization expense realted to the fair value of identifiable assets acquired included in the proforma results.

No definition available.

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