XML 37 R23.htm IDEA: XBRL DOCUMENT v3.8.0.1
INVENTORIES (Tables)
9 Months Ended
Sep. 30, 2017
Inventory Disclosure [Abstract]  
Schedule of inventories, net of reserves
   

September 30,

2017

    December 31,
2016
 
Chassis   $ 5,959     $ 8,524  
Raw materials     29,287       26,322  
Work in process     12,268       11,620  
Finished goods     17,134       17,670  
    $ 64,648     $ 64,136