Goodwill and Intangible Assets - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 29, 2024	Jul. 01, 2023	Jun. 29, 2024	Jul. 01, 2023
Goodwill [Line Items]
Goodwill impairment charge			$ 22.1
Intangible assets amortization expense	$ 57.5	$ 69.3	115.9	$ 134.7
Rare Diseases Business
Goodwill [Line Items]
Goodwill impairment charge			22.1
Intangible assets reclassified to Current assets held for sale, net	162.0
Operating Segments | CSCI
Goodwill [Line Items]
Goodwill impairment charge	22.1		22.1
Intangible assets amortization expense	$ 42.4	$ 54.7	$ 86.2	$ 106.1