INVENTORY - (Details) - USD ($)
$ in Thousands
Sep. 30, 2016
Dec. 31, 2015
Inventory [Line Items]    
Finished goods $ 99,478 $ 90,226
Inventory allowances (32,741) (28,224)
Inventory, net 66,737 62,002
Surgical and Medical Instruments    
Inventory [Line Items]    
Inventory, net $ 10,499 $ 8,946