XML 37 R23.htm IDEA: XBRL DOCUMENT v3.7.0.1
INVENTORIES (Tables)
3 Months Ended
Mar. 31, 2017
Inventory Disclosure [Abstract]  
Schedule of inventories, net of reserves
   

March 31,

2017

    December 31,
2016
 
Chassis   $ 5,836     $ 8,524  
Raw materials     29,360       26,322  
Work in process     12,039       11,620  
Finished goods     20,326       17,670  
    $ 67,561     $ 64,136