INVENTORIES (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Inventory Disclosure [Abstract]
Raw materials	$ 59,247	$ 60,217
Work-in-process	7,830	7,186
Finished goods	82,999	74,669
Inventories, net	150,076	142,072
Inventory reserves for obsolescence and other estimated losses	$ 10,600	$ 9,500