Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 29, 2018	Dec. 30, 2017	Dec. 31, 2016
Cash flows from operating activities:
Net income	$ 62,738	$ 98,414	$ 87,162
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	93,567	85,415	76,862
(Gain) loss on disposition of fixed assets	1,274	(700)	1,353
Impairment of fixed assets	1,532	0	894
(Gain) loss on sale of marketable securities	54	40	(437)
Unrealized loss in value of investment securities	1,606	0	0
Gain on sale of intangible assets	0	0	(200)
Gain on acquisition of business	0	0	(23,879)
Deferred income taxes	3,418	(31,993)	5,703
Changes in operating assets and liabilities:
Inventories	(1,247)	(2,726)	(38,102)
Accounts receivable and prepaid expenses	(5,874)	4,045	(7,613)
Accounts payable and other liabilities	(18,583)	7,742	46,131
Income taxes	9,330	(422)	41
Other	565	446	1,161
Net cash provided by operating activities	148,380	160,261	149,076
Cash flows from investing activities:
Purchase of property and equipment	(95,696)	(95,857)	(142,144)
Proceeds from the sale of property and equipment	1,734	2,246	442
Purchase of marketable securities	(5,627)	(12,612)	(40,858)
Proceeds from maturities of marketable securities	6,550	8,442	1,335
Proceeds from the sale of marketable securities	5,834	7,272	62,566
Acquisition of business	0	0	(63,632)
Purchase of intangible assets	(3,540)	(3,565)	(2,568)
Proceeds from sale of intangible assets	0	0	200
Change in SERP investment	(210)	(3,322)	(2,075)
Net cash used in investing activities	(90,955)	(97,396)	(186,734)
Cash flows from financing activities:
Payments on long-term debt	(34,988)	(29,488)
Proceeds from long-term debt			64,476
Dividends paid	(32,546)	(32,278)	(32,278)
Net cash used in financing activities	(67,534)	(61,766)	32,198
Net decrease in cash and cash equivalents	(10,109)	1,099	(5,460)
Cash and cash equivalents at beginning of year	47,917	46,818	52,278
Cash and cash equivalents at end of period	$ 37,808	$ 47,917	$ 46,818