Leases Supplemental Lease Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 26, 2022	Mar. 27, 2021
Leases [Abstract]
Operating lease, weighted average remaining lease term	7 years 5 months 12 days	7 years 9 months 3 days
Finance lease, weighted average remaining lease term	13 years 9 months 25 days	12 years 9 months 14 days
Operating lease, weighted average discount rate, percent	6.31%	6.82%
Finance lease, weighted average discount rate, percent	9.73%	9.50%
Operating cash flows from operating leases	$ 1,012	$ 1,124
Operating cash flows from financing leases	333	391
Financing cash flows from financing leases	$ 363	$ 781