ASSET ACQUISITIONS AND BUSINESS COMBINATIONS (Narrative) (Details) $ in Thousands	3 Months Ended				12 Months Ended
	Dec. 31, 2021 USD ($)	Sep. 30, 2021 USD ($) item	Dec. 31, 2020 USD ($) item	Jun. 30, 2020 USD ($)	Dec. 31, 2021 USD ($) item	Dec. 31, 2020 USD ($)	Mar. 31, 2022 USD ($)	Mar. 31, 2021 USD ($)
Business Acquisition [Line Items]
Contingent consideration liability	$ 70,525		$ 37,270		$ 70,525	$ 37,270	$ 68,036	$ 36,021
Goodwill	179,708		$ 156,716		179,708	156,716	179,045
Development Of Technology, Robotic Surgery Platforms [Member]
Business Acquisition [Line Items]
Purchase price of assets	10,000
Additional contingent consideration	5,000
Third Anniversary [Member]
Business Acquisition [Line Items]
Contingent consideration liability							8,000
Fourth Anniversary [Member]
Business Acquisition [Line Items]
Contingent consideration liability							$ 4,000
Capstone Surgical Technologies, LLC [Member]
Business Acquisition [Line Items]
Business combination, consideration transferred	24,500
Capstone Surgical Technologies, LLC [Member] | Approval Of FDA [Member]
Business Acquisition [Line Items]
Contingent consideration liability	15,000				15,000
Capstone Surgical Technologies, LLC [Member] | Achievement Of Certain Performance Obligation [Member]
Business Acquisition [Line Items]
Contingent consideration liability	10,000				10,000
Synoste Acquisition [Member]
Business Acquisition [Line Items]
Payments to Acquire Businesses, Gross				$ 22,800
Business combination, consideration transferred				25,300
Contingent consideration liability				$ 2,500
Contingent consideration payment	2,700
Acquired in-process research and development					$ 34,300	24,400
Series of Individually Immaterial Business Acquisitions [Member]
Business Acquisition [Line Items]
Number of acquisitions | item		2	2		3
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill		$ 1,600	$ 8,800			8,800
Weighted average amortization period		3 years 9 months 18 days	4 years 2 months 12 days
Payments to Acquire Businesses, Gross			$ 1,500		$ 300
Contingent consideration liability	13,000		33,200		13,000	33,200
Goodwill	$ 13,300	$ 11,000	$ 26,200		$ 13,300	$ 26,200
Contingent consideration payment		$ 12,600
Business Acquisitions, Contractual Holdback Obligation Payable Period		10 years	10 years
Liabilities incurred from acquisition			$ 300