Goodwill and Intangible Assets - Intangible categories (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Oct. 01, 2022	Sep. 30, 2023	Oct. 01, 2022	Dec. 31, 2022
Finite And Indefinite Lived Assets By Major Class [Line Items]
Indefinite-lived intangible assets	$ 5.0		$ 5.0		$ 58.6
Definite-lived intangible assets	4,841.9		4,841.9		4,949.0
Accumulated Amortization	1,900.5		1,900.5		1,718.8
Total intangible assets	4,846.9		4,846.9		5,007.6
Intangible assets amortization expense	68.0	$ 67.9	202.7	$ 178.8
Distribution and license agreements and supply agreements
Finite And Indefinite Lived Assets By Major Class [Line Items]
Definite-lived intangible assets	94.6		94.6		94.9
Accumulated Amortization	60.8		60.8		58.1
Developed product technology, formulations, and product rights
Finite And Indefinite Lived Assets By Major Class [Line Items]
Definite-lived intangible assets	522.6		522.6		484.8
Accumulated Amortization	230.1		230.1		211.8
Customer relationships and distribution networks
Finite And Indefinite Lived Assets By Major Class [Line Items]
Definite-lived intangible assets	1,814.4		1,814.4		1,825.1
Accumulated Amortization	1,049.9		1,049.9		965.9
Trademarks, trade names, and brands
Finite And Indefinite Lived Assets By Major Class [Line Items]
Definite-lived intangible assets	2,408.3		2,408.3		2,542.2
Accumulated Amortization	557.7		557.7		481.0
Non-compete agreements
Finite And Indefinite Lived Assets By Major Class [Line Items]
Definite-lived intangible assets	2.0		2.0		2.0
Accumulated Amortization	2.0		2.0		2.0
Trademarks, trade names, and brands
Finite And Indefinite Lived Assets By Major Class [Line Items]
Indefinite-lived intangible assets	3.2		3.2		3.2
In-process research and development
Finite And Indefinite Lived Assets By Major Class [Line Items]
Indefinite-lived intangible assets	$ 1.8		$ 1.8		$ 55.4