Income Taxes - U.S. and Foreign Components of Income before Income Taxes (Detail) - USD ($) $ in Millions	12 Months Ended
Dec. 27, 2024	Dec. 29, 2023	Dec. 30, 2022
Income Tax Disclosure [Abstract]
United States	$ (106.4)	$ (133.5)	$ (61.9)
Foreign	173.6	122.2	150.2
Income (loss) before provision for income taxes	$ 67.2	$ (11.3)	$ 88.3

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