INVENTORY - (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Inventory [Line Items]
Finished goods	$ 96,619	$ 90,226
Inventory allowances	(34,722)	(28,224)
Inventory, net	61,897	62,002
Surgical and Medical Instruments [Member]
Inventory [Line Items]
Inventory, net	$ 9,874	$ 8,946