Income Taxes - Provision for (Benefit from) Income Taxes (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 26, 2025	Dec. 27, 2024	Dec. 29, 2023
Current:
U.S. federal income tax	$ 0.2	$ 0.1	$ 0.1
State	1.9	0.7	1.0
Non-U.S.	27.3	24.8	20.8
Total	29.4	25.6	21.9
Deferred:
U.S. federal income tax	(0.6)	0.3	(1.1)
State	(0.7)	0.2	(0.2)
Non-U.S.	9.3	3.0	(2.5)
Total	8.0	3.5	(3.8)
Provision for income taxes	$ 37.4	$ 29.1	$ 18.1