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GOODWILL AND OTHER INTANGIBLE ASSETS - Schedule of Changes in Carrying Amount of Goodwill (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended	12 Months Ended
	Sep. 30, 2018	Jun. 30, 2018	Dec. 31, 2018	Dec. 31, 2017
Goodwill [Roll Forward]
Beginning of period		$ 937,905	$ 937,905	$ 510,571
Divestment to Natus				(2,861)
Foreign currency translation and other			(7,466)	10,210
End of period			926,475	937,905
Derma Sciences
Goodwill [Roll Forward]
Acquisition				73,765
Codman
Goodwill [Roll Forward]
Acquisition				346,220
Codman acquisition measurement period adjustments	$ 800	(3,200)	(3,964)
Codman Specialty Surgical
Goodwill [Roll Forward]
Beginning of period		634,767	634,767	284,358
Divestment to Natus				(2,861)
Foreign currency translation and other			(5,043)	7,050
End of period			625,760	634,767
Codman Specialty Surgical \| Derma Sciences
Goodwill [Roll Forward]
Acquisition				0
Codman Specialty Surgical \| Codman
Goodwill [Roll Forward]
Acquisition				346,220
Codman acquisition measurement period adjustments			(3,964)
Orthopedics and Tissue Technologies
Goodwill [Roll Forward]
Beginning of period		$ 303,138	303,138	226,213
Divestment to Natus				0
Foreign currency translation and other			(2,423)	3,160
End of period			300,715	303,138
Orthopedics and Tissue Technologies \| Derma Sciences
Goodwill [Roll Forward]
Acquisition				73,765
Orthopedics and Tissue Technologies \| Codman
Goodwill [Roll Forward]
Acquisition				$ 0
Codman acquisition measurement period adjustments			$ 0