Leases - Summary of Components of Lease Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 26, 2025	Dec. 27, 2024
Leases [Abstract]
Operating lease cost	$ 32.3	$ 32.1
Short-term lease cost	2.9	2.5
Sublease income	(1.0)	(0.8)
Total lease cost	34.2	33.8
Operating cash flows used in operating leases	$ 30.0	$ 29.9
Weighted-average remaining lease term – operating leases	9 years 2 months 12 days	9 years 9 months 18 days
Weighted-average discount rate – operating leases	7.30%	7.20%