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INVENTORIES (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Inventory Disclosure [Abstract]    
Raw material $ 83,569 $ 110,806
Work-in-process 48,369 55,543
Finished goods 201,418 229,386
Inventory, Net $ 333,356 $ 395,735