Consolidated Balance Sheets - USD ($) $ in Thousands	Jul. 01, 2023	Dec. 31, 2022
Current:
Cash and cash equivalents	$ 139,338	$ 157,997
Marketable securities	217,866	186,419
SERP investment	24,995	22,696
Accounts receivable, net	56,965	50,863
Inventories	295,026	293,274
Prepaid expenses and other current assets	31,036	29,921
Total current assets	765,225	741,170
Property and equipment, net	965,251	970,913
Operating lease right-to-use	172,871	175,952
Goodwill	52,330	52,330
Intangible and other assets, net	17,830	18,785
Total assets	1,973,507	1,959,150
Current:
Accounts payable	198,200	206,849
Accrued expenses	34,438	57,431
Operating leases	43,150	43,527
Accrued self-insurance	17,216	19,416
Deferred revenue, net	8,861	11,774
Income taxes payable	15,700	6,354
Total current liabilities	317,566	345,351
Postretirement benefit obligations	26,965	25,270
Accrued self-insurance	23,555	23,712
Operating leases	139,129	142,424
Deferred income taxes	114,230	111,225
Other	6,864	9,334
Total liabilities	628,309	657,316
Shareholders' Equity
Common stock, no par value, 100,800,000 shares authorized, 33,047,807 shares issued, 26,898,443 shares outstanding	9,949	9,949
Retained earnings	1,490,979	1,449,191
Accumulated other comprehensive income (loss) (Net of deferred taxes of $1,710 in 2023 and $2,342 in 2022)	(4,874)	(6,449)
Shareholders' equity before treasury stock	1,496,055	1,452,691
Treasury stock at cost, 6,149,364 shares	(150,857)	(150,857)
Total shareholders' equity	1,345,198	1,301,834
Total liabilities and shareholders' equity	$ 1,973,507	$ 1,959,150