Income Taxes - Components of Earnings Before Income Taxes Determined by Tax Jurisdiction (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 29, 2024	Dec. 31, 2023	Dec. 25, 2022
Income Tax Disclosure [Abstract]
United States	$ 325.2	$ (356.9)	$ 17.0
International	171.8	(1,352.2)	244.5
Earnings (loss) before income taxes	$ 497.0	$ (1,709.1)	$ 261.5

Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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+ Details