Leases - Cash Paid (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 25, 2022	Dec. 26, 2021	Dec. 27, 2020
Leases [Abstract]
Finance lease - cash paid for interest	$ 3.0	$ 2.7
Finance lease - financing cash flows	1.4	1.0	$ 0.6
Operating lease - operating cash flows (fixed payments)	$ 13.3	$ 11.8