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SEGMENT AND GEOGRAPHIC INFORMATION - Net Sales and Profit by Reportable Segment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Segment Net Sales
Total revenue, net	$ 366,190	$ 282,164	$ 723,272	$ 540,801
Segment Profit
Operating income	27,634	16,985	53,213	26,945
Amortization	(5,286)	(5,419)	(10,676)	(9,520)
Codman Specialty Surgical
Segment Net Sales
Total revenue, net	239,504	159,857	475,619	316,147
Orthopedics and Tissue Technologies
Segment Net Sales
Total revenue, net	126,686	122,307	247,653	224,654
Operating Segments
Segment Profit
Operating income	128,259	98,260	250,188	188,042
Operating Segments | Codman Specialty Surgical
Segment Profit
Operating income	91,118	67,250	180,609	129,953
Operating Segments | Orthopedics and Tissue Technologies
Segment Profit
Operating income	37,141	31,010	69,579	58,089
Segment Reconciling Items
Segment Profit
Amortization	(5,286)	(5,419)	(10,676)	(9,520)
Corporate and other
Segment Profit
Operating income	$ (95,339)	$ (75,856)	$ (186,299)	$ (151,577)

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