REVENUES FROM CONTRACTS WITH CUSTOMERS - Schedule of Revenues Disaggregated by Major Source (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Disaggregation of Revenue [Line Items]
Total Revenues	$ 366,190	$ 282,164	$ 723,272	$ 540,801
Codman Specialty Surgical
Disaggregation of Revenue [Line Items]
Total Revenues	239,504	159,857	475,619	316,147
Codman Specialty Surgical | Neurosurgery
Disaggregation of Revenue [Line Items]
Total Revenues	170,588	91,218	337,487	180,687
Codman Specialty Surgical | Precision Tools and Instruments
Disaggregation of Revenue [Line Items]
Total Revenues	68,916	68,639	138,132	135,460
Orthopedics and Tissue Technologies
Disaggregation of Revenue [Line Items]
Total Revenues	126,686	122,307	247,653	224,654
Orthopedics and Tissue Technologies | Wound Reconstruction and Care
Disaggregation of Revenue [Line Items]
Total Revenues	76,601	69,746	146,713	124,510
Orthopedics and Tissue Technologies | Extremity Orthopedics
Disaggregation of Revenue [Line Items]
Total Revenues	23,727	24,322	48,537	48,283
Orthopedics and Tissue Technologies | Private Label
Disaggregation of Revenue [Line Items]
Total Revenues	$ 26,358	$ 28,239	$ 52,403	$ 51,861