Name:	cw_EnvironmentalDecommisioningCosts
Namespace Prefix:	cw
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ Details

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Namespace Prefix:	cw
Data Type:	xbrli:monetaryItemType
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- Definition

Total costs accrued as of the balance sheet date for environmental loss contingencies.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Statement of Position (SOP)
-Number 96-1
-Paragraph 161
-Subparagraph a

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 5
-Paragraph 9

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- Definition

Aggregate carrying amount of reserve for known or estimated probable loss from litigation, which may include attorneys' fees and other litigation costs.

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- Definition

Carrying amount of reserve for known or estimated probable loss from litigation, which may include attorneys' fees and other litigation costs, which is expected to be paid within one year of the date of the statement of financial position.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 25
-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 5
-Paragraph 9, 35

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- Definition

This element represents the gross amount awarded, to be received by, or to be remitted to the entity in settlement of litigation occurring during the period.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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CONTINGENCIES AND COMMITMENTS (Detail) (USD $) In Millions		1 Months Ended
CONTINGENCIES AND COMMITMENTS (Detail) (USD $) In Millions	Jan. 31, 2007	Jan. 31, 2007 Legal Proceedings [Member]	Jun. 30, 2011 Legal Proceedings [Member]	Jun. 30, 2011 Environmental Matters [Member]	Dec. 31, 2010 Environmental Matters [Member]	Jun. 30, 2011 Standby Letters Of Credit [Member]	Dec. 31, 2010 Standby Letters Of Credit [Member]
Loss Contingencies [Line Items]
Litigation Settlement Gross		$ 9.0
Litigation Reserve Current			10.6
Litigation Reserve	6.5
Accrual For Environmental Loss Contingencies				20.7	20.8
Environmental Decommisioning Costs				4.5
Letters of Credit Outstanding Amount						$ 57.2	$ 47.0