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DESCRIPTION OF THE BUSINESS	12 Months Ended
	Dec. 31, 2012
Description Of Business [Abstract]
DESCRIPTION OF THE BUSINESS	1. DESCRIPTION OF THE BUSINESS Wabash National Corporation (the “Company”) designs, manufactures and markets standard and customized truck and tank trailers, intermodal equipment and transportation related products under the Wabash®, Wabash National®, DuraPlate®, DuraPlate HD®, DuraPlate® XD-35®, DuraPlate AeroSkirt®, ArcticLite®, FreightPro®, RoadRailer®, TrustLock Plus®, Transcraft®, Eagle®, Eagle II®, D-Eagle®, Benson®, Walker® Transport, Walker® Stainless Equipment, Walker® Defense Group, Walker® Barrier Systems, Walker® Engineered Products, Brenner® Tank, Garsite, Progress Tank, TST®, Bulk Tank InternationalTM, Extract Technology®, and Beall® brand name or trademarks. The Company’s wholly-owned subsidiaries, Wabash National Trailer Centers, Inc. and Brenner Tank Services, LLC, sells new and used trailers through its retail network and provides aftermarket parts and service for the Company’s and competitors’ trailers and related equipment.

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- Definition

The entire disclosure for the nature of an entity's business, the major products or services it sells or provides and its principal markets, including the locations of those markets. If the entity operates in more than one business, the disclosure also indicates the relative importance of its operations in each business and the basis for the determination (for example, assets, revenues, or earnings).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 275

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6003-108592



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

-Publisher AICPA

-Name Statement of Position (SOP)

-Number 94-6

-Paragraph 10

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

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