Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2023	Dec. 31, 2022	Dec. 25, 2021
Cash flows from operating activities:
Net income	$ 103,828	$ 125,196	$ 108,849
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	108,438	104,026	102,804
(Gain) loss on disposition of fixed assets	(46)	(2,407)	1,026
Unrealized (gain) loss in value of equity securities	275	1,325	900
Deferred income taxes	4,955	(852)	12,313
Unrealized (gain) loss in SERP	(2,834)	5,653	(2,309)
Changes in operating assets and liabilities:
Inventories	(2,883)	(23,687)	(563)
Accounts receivable and prepaid expenses	(18,564)	2,436	2,727
Accounts payable and other liabilities	13,095	7,695	174
Income taxes	(5,839)	(1,005)	2,302
Other	1,176	(356)	(514)
Net cash provided by operating activities	201,602	218,024	227,709
Cash flows from investing activities:
Purchase of property and equipment	(104,010)	(122,169)	(151,800)
Proceeds from the sale of property and equipment	867	6,691	5,932
Purchase of marketable securities	(112,979)	(355,757)	(116,268)
Proceeds from the sale and maturities of marketable securities	79,518	362,237	19,680
Purchase of intangible assets	(1,075)	(819)	(208)
Change in SERP investment	(1,120)	(1,290)	(1,986)
Net cash used in investing activities	(138,800)	(111,107)	(244,650)
Cash flows from financing activities:
Dividends paid	(36,582)	(34,968)	(33,623)
Net cash used in financing activities	(36,582)	(34,968)	(33,623)
Net increase (decrease) in cash and cash equivalents	26,220	71,949	(50,564)
Cash and cash equivalents at beginning of year	157,997	86,048	136,612
Cash and cash equivalents at end of period	$ 184,217	$ 157,997	$ 86,048