Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 26, 2022	Mar. 27, 2021
Cash flows from operating activities:
Net income	$ 31,389	$ 24,255
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	25,629	25,359
(Gain) loss on disposition of fixed assets	(3)	63
Unrealized (gain) loss in value of equity securities	214	(237)
Deferred income taxes	3,557	2,133
Unrealized (gain) loss in SERP	2,184	(448)
Changes in operating assets and liabilities:
Inventories	(15,768)	(7,709)
Accounts receivable and prepaid expenses	6,297	15,763
Accounts payable and other liabilities	(26,316)	(49,776)
Income taxes	7,559	5,146
Other	(262)	388
Net cash provided by operating activities	34,480	14,937
Cash flows from investing activities:
Purchase of property and equipment	(18,793)	(37,043)
Proceeds from the sale of property and equipment	13	29
Purchase of marketable securities	(25,965)	(10,165)
Proceeds from the sale and maturities of marketable securities	25,481	6,125
Purchase of intangible assets	(48)	(17)
Proceeds from sale of intangible assets	125
Change in SERP investment	359	(922)
Net cash used in investing activities	(18,828)	(41,993)
Cash flows from financing activities:
Dividends paid	(8,608)	(8,339)
Net cash used in financing activities	(8,608)	(8,339)
Net increase (decrease) in cash and cash equivalents	7,044	(35,395)
Cash and cash equivalents at beginning of year	86,048	136,612
Cash and cash equivalents at end of period	$ 93,092	$ 101,217