GOODWILL AND INTANGIBLE ASSETS - Rollforward of Goodwill (Details) $ in Thousands	3 Months Ended
	Apr. 01, 2023 USD ($)
Goodwill [Roll Forward]
Beginning balance	$ 2,849,903
Acquisitions	37,129
Foreign exchange	14,595
Ending balance	2,901,627
RMS
Goodwill [Roll Forward]
Beginning balance	497,710
Acquisitions	0
Foreign exchange	131
Ending balance	497,841
DSA
Goodwill [Roll Forward]
Beginning balance	1,433,601
Acquisitions	37,129
Foreign exchange	8,016
Ending balance	1,478,746
Goodwill, impaired, accumulated impairment loss	(1,000,000)
Manufacturing
Goodwill [Roll Forward]
Beginning balance	918,592
Acquisitions	0
Foreign exchange	6,448
Ending balance	$ 925,040