SEGMENT AND GEOGRAPHIC INFORMATION - Net Sales and Profit by Reportable Segment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Segment Net Sales
Revenues	$ 278,834	$ 250,332	$ 819,634	$ 736,411
Segment Profit
Operating income	10,642	30,095	37,586	74,570
Amortization	(5,456)	(3,467)	(14,976)	(10,410)
Specialty Surgical Solutions
Segment Net Sales
Revenues	164,760	159,409	480,907	468,767
Orthopedics and Tissue Technologies
Segment Net Sales
Revenues	114,074	90,923	338,727	267,644
Operating Segments
Segment Profit
Operating income	98,700	94,875	286,742	262,153
Operating Segments | Specialty Surgical Solutions
Segment Profit
Operating income	68,289	67,148	198,242	188,126
Operating Segments | Orthopedics and Tissue Technologies
Segment Profit
Operating income	30,411	27,727	88,500	74,027
Segment Reconciling Items
Segment Profit
Amortization	(5,456)	(3,467)	(14,976)	(10,410)
Corporate and other
Segment Profit
Operating income	$ (82,602)	$ (61,313)	$ (234,180)	$ (177,173)