Goodwill and Intangible Assets - Intangible categories (Details) - USD ($) $ in Millions	3 Months Ended
	Apr. 02, 2022	Apr. 03, 2021	Mar. 17, 2022	Dec. 31, 2021
Finite And Indefinite Lived Assets By Major Class [Line Items]
Indefinite-lived intangibles:	$ 5.2			$ 5.3
Gross	3,598.4			3,678.5
Accumulated Amortization	1,544.7			1,532.4
Total other intangible assets	3,603.6			3,683.8
Intangible assets amortization expense	48.5	$ 53.2
Distribution and license agreements and supply agreements
Finite And Indefinite Lived Assets By Major Class [Line Items]
Gross	82.3			73.2
Accumulated Amortization	56.6			56.9
Developed product technology, formulations, and product rights
Finite And Indefinite Lived Assets By Major Class [Line Items]
Gross	298.7		$ 10.0	300.2
Accumulated Amortization	194.4			191.4
Customer relationships and distribution networks
Finite And Indefinite Lived Assets By Major Class [Line Items]
Gross	1,777.0			1,820.7
Accumulated Amortization	891.2			887.8
Trademarks, trade names, and brands
Finite And Indefinite Lived Assets By Major Class [Line Items]
Gross	1,438.3			1,482.3
Accumulated Amortization	400.4			394.2
Non-compete agreements
Finite And Indefinite Lived Assets By Major Class [Line Items]
Gross	2.1			2.1
Accumulated Amortization	2.1			2.1
Trademarks, trade names, and brands
Finite And Indefinite Lived Assets By Major Class [Line Items]
Indefinite-lived intangibles:	3.5			3.5
In-process research and development
Finite And Indefinite Lived Assets By Major Class [Line Items]
Indefinite-lived intangibles:	$ 1.7			$ 1.8