Leases - Cash Paid (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 25, 2023	Jun. 30, 2024	Jun. 25, 2023
Leases [Abstract]
Finance lease - cash paid for interest	$ 0.8	$ 0.8	$ 1.6	$ 1.5
Finance lease - financing cash flows	0.4	0.4	0.7	0.8
Operating lease - operating cash flows (fixed payments)	$ 3.6	$ 3.6	$ 7.2	$ 6.6