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INVENTORIES (Detail) - USD ($)
$ in Thousands
Jun. 30, 2017
Dec. 31, 2016
Inventory [Line Items]    
Finished goods $ 102,238 $ 57,297
Raw materials and components 56,922 53,388
Work in progress 25,177 18,422
Used trailers 7,541 2,490
Aftermarket parts 7,398 8,356
Total, Inventories $ 199,276 $ 139,953