Leases - Cash Paid (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 01, 2023	Sep. 25, 2022	Oct. 01, 2023	Sep. 25, 2022
Leases [Abstract]
Finance lease - cash paid for interest	$ 0.8	$ 0.8	$ 2.3	$ 2.2
Finance lease - financing cash flows	0.4	0.4	1.2	1.0
Operating lease - operating cash flows (fixed payments)	$ 3.7	$ 3.2	$ 10.3	$ 10.0