Income Taxes - Schedule of Income before Income Tax, Domestic and Foreign (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 29, 2024	Dec. 31, 2023	Dec. 25, 2022
Components of income (loss) from continuing operations before income taxes
Domestic	$ 3.8	$ (9.6)	$ (48.7)
Foreign	22.7	20.7	15.7
Income (loss) before income taxes	$ 26.5	$ 11.1	$ (33.0)