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Cost of Manufactured Inventory Includes Raw Material, Labor and Overhead (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Inventory Net [Line Items]
Raw materials and components	$ 54,699	$ 57,187
Work in progress	20,749	24,849
Finished goods	82,673	82,930
Aftermarket parts	10,389	9,882
Used trailers	15,663	14,639
Inventories	$ 184,173	$ 189,487

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- Definition

Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer.

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Inventory Aftermarket Parts

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Inventory used trailers.

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