Income Taxes - Activity Related to Company's Unrecognized Tax Benefits (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 30, 2022	Dec. 31, 2021	Dec. 25, 2020
Income Tax Disclosure [Abstract]
Balance as of the beginning of period	$ 1.6	$ 0.9	$ 1.0
Expiration of the statute of limitations for the assessment of taxes		(0.2)	(0.1)
Increases related to prior year tax positions	0.1	0.2
Increases related to current year tax positions	1.0	0.7
Balance as of the end of period	$ 2.7	$ 1.6	$ 0.9