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REVENUES FROM CONTRACTS WITH CUSTOMERS - Schedule of Revenues Disaggregated by Major Source (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Disaggregation of Revenue [Line Items]
Total Revenues	$ 389,992	$ 258,665	$ 750,063	$ 612,989
Codman Specialty Surgical
Disaggregation of Revenue [Line Items]
Total Revenues	256,837	169,778	498,078	401,218
Codman Specialty Surgical | Neurosurgery
Disaggregation of Revenue [Line Items]
Total Revenues	202,600	141,430	391,854	326,373
Codman Specialty Surgical | Instruments
Disaggregation of Revenue [Line Items]
Total Revenues	54,237	28,348	106,224	74,845
Tissue Technologies
Disaggregation of Revenue [Line Items]
Total Revenues	133,155	88,887	251,985	211,771
Tissue Technologies | Wound Reconstruction and Care
Disaggregation of Revenue [Line Items]
Total Revenues	102,616	56,291	191,314	128,558
Tissue Technologies | Extremity Orthopedics
Disaggregation of Revenue [Line Items]
Total Revenues	0	11,162	0	32,634
Tissue Technologies | Private Label
Disaggregation of Revenue [Line Items]
Total Revenues	$ 30,539	$ 21,434	$ 60,671	$ 50,579

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