Leases - Cash Paid (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 25, 2022	Sep. 26, 2021	Sep. 25, 2022	Sep. 26, 2021
Leases [Abstract]
Finance lease - cash paid for interest	$ 0.8	$ 0.7	$ 2.2	$ 2.0
Finance lease - financing cash flows	0.4	0.3	1.0	0.7
Operating lease - operating cash flows (fixed payments)	$ 3.2	$ 2.9	$ 10.0	$ 8.7