Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 29, 2019	Jun. 30, 2018
Cash flows from operating activities:
Net income	$ 34,780	$ 35,286
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	46,324	46,137
Loss on disposition of fixed assets	806	157
Loss on sale of marketable securities	0	54
Unrealized (gain) loss in value of equity securities	(848)	1,238
Deferred income taxes	(482)	1,379
Changes in operating assets and liabilities:
Inventories	14,413	6,093
Accounts receivable and prepaid expenses	10,762	5,436
Accounts payable and other liabilities	(29,423)	(20,538)
Income taxes	2,147	8,429
Other	487	556
Net cash provided by operating activities	78,966	84,227
Cash flows from investing activities:
Purchase of property and equipment	(44,335)	(46,367)
Proceeds from the sale of property and equipment	1,320	321
Purchase of marketable securities	(4,205)	(586)
Proceeds from maturities of marketable securities	2,785	2,800
Proceeds from the sale of marketable securities	0	514
Purchase of intangible assets	(540)	(1,662)
Change in SERP investment	(3,476)	(1,414)
Net cash used in investing activities	(48,451)	(46,394)
Cash flows from financing activities:
Payments on long-term debt	0	(34,988)
Dividends paid	(16,677)	(16,139)
Net cash used in financing activities	(16,677)	(51,127)
Net increase (decrease) in cash and cash equivalents	13,838	(13,294)
Cash and cash equivalents at beginning of year	37,808	47,917
Cash and cash equivalents at end of period	$ 51,646	$ 34,623