SEGMENT AND GEOGRAPHIC INFORMATION - Net Sales and Profit by Reportable Segment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Segment Net Sales
Total Revenues	$ 359,690	$ 357,082
Segment Profit
Operating income	32,308	25,579
Amortization	(5,279)	(5,390)
Codman Specialty Surgical
Segment Net Sales
Total Revenues	234,568	236,115
Orthopedics and Tissue Technologies
Segment Net Sales
Total Revenues	125,122	120,967
Operating Segments
Segment Profit
Operating income	131,875	121,929
Operating Segments | Codman Specialty Surgical
Segment Profit
Operating income	91,380	89,491
Operating Segments | Orthopedics and Tissue Technologies
Segment Profit
Operating income	40,495	32,438
Segment Reconciling Items
Segment Profit
Amortization	(5,279)	(5,390)
Corporate and other
Segment Profit
Operating income	$ (94,288)	$ (90,960)