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INVENTORIES (Details) - USD ($)
$ in Thousands
Sep. 30, 2017
Dec. 31, 2016
Inventory Disclosure [Abstract]    
Raw materials $ 50,603 $ 60,217
Work-in-process 7,280 7,186
Finished goods 91,143 74,669
Inventories, net $ 149,026 $ 142,072