ASSET ACQUISITIONS AND BUSINESS COMBINATIONS (Narrative) (Details) $ in Thousands	3 Months Ended				6 Months Ended	12 Months Ended
	Dec. 31, 2021 USD ($)	Sep. 30, 2021 USD ($) item	Dec. 31, 2020 USD ($) item	Jun. 30, 2020 USD ($)	Jun. 30, 2022 USD ($) item	Dec. 31, 2021 USD ($) item	Dec. 31, 2020 USD ($)
Business Acquisition [Line Items]
Contingent consideration liability	$ 70,525				$ 68,314	$ 70,525
Goodwill	179,708		$ 156,716		$ 182,702	179,708	$ 156,716
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		1	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	300		$ 1,500		$ 200
Contingent consideration liability	13,000		33,200		4,400	$ 13,000	33,200
Goodwill	$ 13,300	$ 11,000	$ 26,200		$ 4,600	$ 13,300	$ 26,200
Contingent consideration payment		$ 12,600
Business Acquisitions, Contractual Holdback Obligation Payable Period		10 years	10 years		10 years
Liabilities incurred from acquisition			$ 300