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INVENTORIES

3 Months Ended

Mar. 31, 2012

3.	INVENTORIES

Inventory costs include materials, labor and factory overhead. Inventories are stated at the lower of cost or market (net realizable value), determined on a first-in, first-out basis. Appropriate consideration is given to obsolescence, valuation and other factors in determining net realizable value. Revisions of these estimates could result in the need for adjustments. Inventories, net of reserves, at March 31, 2012 and December 31, 2011 consisted of the following (in thousands):


	March 31, 2012		December 31, 2011
Chassis	$	15,224	$	12,807
Raw materials		18,028		18,725
Work in process		8,592		8,426
Finished goods		10,568		8,282
	$	52,412	$	48,240

- Definition

The entire disclosure for inventory. This may include, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the major classes of inventory, and the nature of the cost elements included in inventory. If inventory is stated above cost, accrued net losses on firm purchase commitments for inventory and losses resulting from valuing inventory at the lower-of-cost-or-market may also be included. For LIFO inventory, may disclose the amount and basis for determining the excess of replacement or current cost over stated LIFO value and the effects of a LIFO quantities liquidation that impacts net income.

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