Divestitures (Details) $ in Millions		3 Months Ended		9 Months Ended		12 Months Ended
	Jul. 10, 2024 USD ($)	Sep. 28, 2024 USD ($) product transaction	Sep. 30, 2023 USD ($)	Sep. 28, 2024 USD ($)	Sep. 30, 2023 USD ($)	Dec. 31, 2023 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain (loss) on sale of business				$ 5.8	$ 0.0
Impairment charges		$ 16.2	$ 0.0	50.3	$ 0.0
Goodwill impairment charge				27.5
Rare Diseases Business
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Total consideration	$ 244.5
Fair value contingent consideration	34.5	34.5		34.5
Gain (loss) on sale of business	$ 5.8
Impairment charges				34.1		$ 90.0
Goodwill impairment charge				22.1
Branded Products
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Total consideration		33.3		$ 33.3
Gain (loss) on sale of business		$ 26.0
Number of products sold | product		6
Number of transactions | transaction		3