Income Taxes - Provisions for Income Taxes (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 28, 2024	Dec. 30, 2023	Dec. 31, 2022
Current expense:
Federal	$ 10.1	$ (0.6)	$ 22.7
State	0.2	(1.7)	4.0
Foreign	3.4	1.3	28.2
Deferred expense (credit):
Federal	(3.9)	(88.5)	(52.9)
State	0.2	0.1	(4.9)
Foreign	0.1	(5.6)	(60.9)
Total provision for income taxes	$ 10.1	$ (95.0)	$ (63.8)