Leases - Cash Paid (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 25, 2022	Dec. 26, 2021
Leases [Abstract]
Finance lease - cash paid for interest	$ 3.1	$ 3.0
Finance lease - financing cash flows	1.5	1.4	$ 1.0
Operating lease - operating cash flows (fixed payments)	$ 14.1	$ 13.3