XML 12 R39.htm IDEA: XBRL DOCUMENT v2.4.0.6

Stock Based Compensation - Additional Information (Detail) (USD $)	3 Months Ended
	Mar. 31, 2013
Compensation costs related to stock options, nonvested restricted stock, stock appreciation rights and performance units not yet recognized	$ 11,500
Recognition period	2016

X

- Definition

As of the balance sheet date, the aggregate unrecognized cost of equity-based awards made to employees under equity-based compensation awards that have yet to vest.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (i)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph h

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Employee Service Share Based Compensation Related To Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition.

+ References

No definition available.

+ Details

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Namespace Prefix:	wnc_
Data Type:	xbrli:gYearItemType
Balance Type:	na
Period Type:	duration