Leases - Weighted Average (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 26, 2022	Jun. 27, 2021	Jun. 26, 2022	Jun. 27, 2021
Leases [Abstract]
Operating lease liabilities arising from obtaining right-of-use assets	$ 1.3	$ 1.7	$ 5.0	$ 1.9
Finance lease liabilities arising from obtaining right-of-use assets	$ 9.1	$ 0.0	$ 9.1	$ 0.0
Weighted-average remaining lease term (in years):
Operating leases	4 years 3 months 25 days	5 years 1 month 2 days	4 years 3 months 25 days	5 years 1 month 2 days
Finance leases	15 years 6 months 21 days	17 years 2 months 19 days	15 years 6 months 21 days	17 years 2 months 19 days
Weighted-average discount rate:
Operating leases	6.44%	6.50%	6.44%	6.50%
Finance leases	6.03%	6.51%	6.03%	6.51%