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INVENTORIES (Tables)
3 Months Ended
Mar. 31, 2014
Inventory Disclosure [Abstract]  
Inventories
Inventories consist of the following (in thousands):
 
 
 
March 31,
 
December 31,
 
 
 
2014
 
2013
 
Raw materials and components
 
$
70,377
 
$
54,699
 
Work in progress
 
 
24,391
 
 
20,749
 
Finished goods
 
 
139,670
 
 
82,673
 
Aftermarket parts
 
 
9,904
 
 
10,389
 
Used trailers
 
 
18,573
 
 
15,663
 
 
 
$
262,915
 
$
184,173