Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 24, 2022	Sep. 25, 2021
Cash flows from operating activities:
Net income	$ 96,313	$ 86,234
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	77,604	77,232
(Gain) loss on disposition of fixed assets	(2,481)	524
Unrealized (gain) loss in value of equity securities	1,590	463
Deferred income taxes	(1,711)	7,812
Unrealized (gain) loss in SERP	6,082	(2,130)
Changes in operating assets and liabilities:
Inventories	(30,499)	11,161
Accounts receivable and prepaid expenses	(3,689)	11,289
Accounts payable and other liabilities	(9,802)	(20,868)
Income taxes	9,248	10,164
Other	(344)	224
Net cash provided by operating activities	142,311	182,105
Cash flows from investing activities:
Purchase of property and equipment	(83,335)	(118,156)
Proceeds from the sale of property and equipment	6,710	5,856
Purchase of marketable securities	(267,106)	(19,455)
Proceeds from the sale and maturities of marketable securities	287,124	12,275
Purchase of intangible assets	(944)	(165)
Proceeds from sale of intangible assets	125
Change in SERP investment	(507)	(1,488)
Net cash used in investing activities	(57,933)	(121,133)
Cash flows from financing activities:
Dividends paid	(25,823)	(25,016)
Net cash used in financing activities	(25,823)	(25,016)
Net increase (decrease) in cash and cash equivalents	58,555	35,956
Cash and cash equivalents at beginning of year	86,048	136,612
Cash and cash equivalents at end of period	$ 144,603	$ 172,568