Goodwill and Intangible Assets - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 28, 2024	Sep. 30, 2023	Sep. 28, 2024	Sep. 30, 2023
Goodwill [Line Items]
Goodwill impairment charge			$ 27.5
Intangible assets amortization expense	$ 57.5	$ 68.0	173.4	$ 202.7
Orion Laboratories Hospital & Specialty Business
Goodwill [Line Items]
Goodwill impairment charge	5.4		5.4
Intangible assets reclassified to Current assets held for sale, net	0.2
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)		27.5
Intangible assets amortization expense	$ 42.3	$ 53.5	$ 128.5	$ 159.6