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INVENTORIES (Details) - USD ($)
$ in Thousands
Sep. 30, 2017
Dec. 31, 2016
Inventory Disclosure [Abstract]    
Raw material $ 88,036 $ 76,380
Work-in-process 41,960 32,395
Finished goods 201,382 163,461
Inventory, Gross $ 331,378 $ 272,236