Leases - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 15, 2025	Jun. 16, 2024	Jun. 15, 2025	Jun. 16, 2024	Dec. 29, 2024
Rent Expense	$ 22.3	$ 21.0	$ 44.1	$ 42.2
Mileage expense and fixed maintenance charges	1.6	$ 1.9	3.6	$ 3.9
Lessee, operating lease, lease not yet commenced, future minimum rental commitments	155.7		155.7
Potential future payments	$ 15.7		$ 15.7		$ 12.8
Operating and Finance Leases [Member]
Lease Term	20 years		20 years