Income Taxes Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Jan. 01, 2023	Jan. 02, 2022	Jan. 03, 2021
Income Tax Disclosure [Abstract]
Deferred Tax Assets, Interest Expense	$ 8,090	$ 1,345
Deferred Tax Assets, Operating Lease Liabilities	211,000	217,236
Postretirement benefit expenses	721	766
Intangible assets	757	0
Stock-based compensation expense	1,467	1,683
Federal net operating loss carryforwards	26,122	26,839
State net operating loss carryforwards	8,216	6,837
Tax credit carryforwards	43,906	39,965
Accrued vacation benefits	2,904	2,844
Accumulated other comprehensive income-postretirement benefits	(386)	(380)
Deferred Tax Assets, Accumulated Other Comprehensive Income, Interest Rate Swap	(2,160)	(161)
Deferred Tax Liabilities, Other	(313)	(2,679)
Other	5,981	6,507
Deferred Tax Assets, Gross, Total	309,164	304,022
Less: Valuation allowance	(44,263)	(24,410)	$ (13,138)
Net deferred income tax assets	264,901	279,612
Deferred Tax Liabilities, Operating Right-of-use Assets	(195,705)	(202,887)
Property and equipment depreciation	(12,247)	(18,092)
Franchise rights	(61,755)	(63,030)
Deferred Tax Liabilities, Gross	(272,566)	(287,229)
Carrying value of net deferred income tax assets	$ (7,665)	$ (7,617)