REVENUES FROM CONTRACTS WITH CUSTOMERS - Schedule of Revenues Disaggregated by Major Source (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Disaggregation of Revenue [Line Items]
Total Revenues	$ 258,665	$ 383,645	$ 612,989	$ 743,335
Codman Specialty Surgical
Disaggregation of Revenue [Line Items]
Total Revenues	169,778	249,258	401,218	483,826
Codman Specialty Surgical | Neurosurgery
Disaggregation of Revenue [Line Items]
Total Revenues	141,430	192,929	326,373	372,448
Codman Specialty Surgical | Instruments
Disaggregation of Revenue [Line Items]
Total Revenues	28,348	56,329	74,845	111,378
Orthopedics and Tissue Technologies
Disaggregation of Revenue [Line Items]
Total Revenues	88,887	134,387	211,771	259,509
Orthopedics and Tissue Technologies | Wound Reconstruction and Care
Disaggregation of Revenue [Line Items]
Total Revenues	56,291	82,282	128,558	157,245
Orthopedics and Tissue Technologies | Extremity Orthopedics
Disaggregation of Revenue [Line Items]
Total Revenues	11,162	21,762	32,634	44,447
Orthopedics and Tissue Technologies | Private Label
Disaggregation of Revenue [Line Items]
Total Revenues	$ 21,434	$ 30,343	$ 50,579	$ 57,817