XML 16 R9.htm IDEA: XBRL DOCUMENT v2.4.0.6
INVENTORIES
6 Months Ended
Jun. 30, 2012
Inventory Disclosure [Abstract]  
INVENTORIES
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 June 30, 2012 and December 31, 2011 consisted of the following (in thousands):
 
June 30, 2012
December 31, 2011
Chassis
$ 12,457 $ 12,807
Raw materials
17,739 18,725
Work in process
7,829 8,426
Finished goods
9,698 8,282
$ 47,723 $ 48,240