Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

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Amount attributed to the reconstituted entity, as well as the expected net realizable value of those assets that will be disposed before reconstitution occurs.

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Business Combination and Divestitures - Schedule of Unaudited Pro Forma Financial Information (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 26, 2025	Sep. 27, 2024	Sep. 26, 2025	Sep. 27, 2024	Apr. 23, 2024
Endo
Business Acquisition [Line Items]
Reorganization value					$ 6,125.1
Mallinckrodt & Endo Merger
Business Acquisition [Line Items]
Net Sales	$ 868.6	$ 931.1	$ 2,611.3	$ 2,777.3
Net (loss) income	$ (426.2)	$ (112.0)	$ (622.5)	$ 5,934.2