Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 28, 2020	Mar. 30, 2019
Cash flows from operating activities:
Net income	$ 26,689	$ 14,304
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	23,886	23,125
(Gain) Loss on disposition of fixed assets	1,425	608
(Gain) Loss on sale of marketable securities	(8)	0
Unrealized (gain) loss in value of equity securities	1,922	(625)
Deferred income taxes	(21)	(1,014)
Unrealized (gain) loss in SERP	2,676	(1,008)
Changes in operating assets and liabilities:
Inventories	46,385	138
Accounts receivable and prepaid expenses	(2,492)	9,894
Accounts payable and other liabilities	14,919	(18,912)
Income taxes	9,329	5,553
Other	53	588
Net cash provided by operating activities	124,763	32,651
Cash flows from investing activities:
Purchase of property and equipment	(24,848)	(24,444)
Proceeds from the sale of property and equipment	161	84
Purchase of marketable securities	(2,079)	(3,960)
Proceeds from maturities of marketable securities	1,800	235
Purchase of intangible assets	41	(540)
Change in SERP investment	(91)	(1,708)
Net cash used in investing activities	(25,016)	(30,333)
Cash flows from financing activities:
Dividends paid	(8,339)	(8,339)
Net cash used in financing activities	(8,339)	(8,339)
Net increase (decrease) in cash and cash equivalents	91,408	(6,021)
Cash and cash equivalents at beginning of year	66,871	37,808
Cash and cash equivalents at end of period	$ 158,279	$ 31,787