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INVENTORIES (Details) - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Inventory Disclosure [Abstract]    
Inventory, Raw Materials and Purchased Parts, Net of Reserves $ 46,125 $ 45,459
Inventory, Work in Process, Net of Reserves 15,465 15,532
Inventory, Finished Goods, Net of Reserves 17,006 16,093
Inventory, Net $ 78,596 $ 77,084