DISPOSITION OF THE CORE BUSINESS - Narrative (Details) - USD ($) $ in Thousands		3 Months Ended		4 Months Ended	6 Months Ended	8 Months Ended	9 Months Ended		12 Months Ended
	Aug. 30, 2018	Mar. 31, 2019	Sep. 30, 2018	Dec. 31, 2018	Jun. 30, 2019	Aug. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from the disposition of Core business	$ 97,000								$ 0	$ 91,095	$ 0
Other gains or (losses)		$ (295)	$ (868)		$ (495)		$ (265)	$ (868)	(351)	(947)	0
Gain on sale of the Core Business, net of tax	$ 68,404		$ 69,072					$ 69,072	$ 0	68,404	$ 0
Core Business
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain on sale of the Core Business, net of tax						$ 19,600				16,140
Cost of sales						10,500
Operating expenses						$ 2,800
Symmetry Surgical Inc. | Electro Surgical Disposables and Accessories, Cauteries and Other Products Supply Agreement
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Asset Purchase Agreement, term									4 years
Other gains or (losses)									$ 100	$ (200)
Gain on sale of the Core Business, net of tax				$ 1,500					9,400
Cost of sales				1,500					8,800
Operating expenses				$ 200					$ 500
Symmetry Surgical Inc. | Manufacture and Supply Agreement
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Asset Purchase Agreement, term									10 years