Leases Lessee's Schedule Of Balance Sheet Information For Operating And Financing Leases (Details) - USD ($) $ in Thousands		Dec. 26, 2020	Dec. 28, 2019
Lessee's Schedule Of Balance Sheet Information [Abstract]
OPERATING LEASE RIGHT-OF-USE ASSETS		$ 22,074	$ 24,835
Current portion of operating lease liabilities		3,323	3,172
OPERATING LEASE LIABILITIES		19,404	22,123
Operating Lease, Liability		22,727	25,295
Finance Lease, Right-of-Use Asset	[1]	14,332	15,152
Finance Lease, Liability, Current	[1]	2,771	4,011
Finance Lease, Liability, Noncurrent	[1]	14,167	15,472
Finance Lease, Liability		$ 16,938	$ 19,483

[1] (1) Includes leases classified as failed sale-leaseback transactions.