Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 30, 2017
Current:
Cash and cash equivalents	$ 34,623	$ 47,917
Marketable securities	58,734	63,665
SERP investment	15,890	14,476
Accounts receivable, net	52,835	56,265
Inventories	273,416	279,509
Prepaid expenses and other current assets	17,429	19,435
Income taxes recoverable	0	2,047
Total current assets	452,927	483,314
Property and equipment, net	886,223	886,243
Goodwill	52,330	52,330
Intangible and other assets, net	20,785	19,852
Total assets	1,412,265	1,441,739
Current:
Accounts payable	192,209	216,252
Accrued expenses	37,891	33,403
Accrued self-insurance	16,949	17,470
Deferred revenue, net	5,212	7,217
Income taxes payable	6,382	0
Total current liabilities	258,643	274,342
Long-term debt	0	34,988
Postretirement benefit obligations	19,059	18,409
Accrued self-insurance	20,132	20,140
Deferred income taxes	88,643	87,422
Other	14,205	13,594
Total liabilities	400,682	448,895
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	1,152,499	1,127,872
Accumulated other comprehensive income (Net of deferred taxes of $1 in 2018 and $2,310 in 2017)	(8)	5,880
Shareholders' equity before treasury stock	1,162,440	1,143,701
Treasury stock at cost, 6,149,364 shares	(150,857)	(150,857)
Total shareholders' equity	1,011,583	992,844
Total liabilities and shareholders' equity	$ 1,412,265	$ 1,441,739