Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 26, 2016	Mar. 28, 2015
Cash flows from operating activities:
Net income	$ 20,129	$ 13,323
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	16,233	15,303
Amortization	2,135	1,996
(Gain) loss on disposition of fixed assets	(75)	8
Gain on sale of marketable securities	(269)	(6)
Deferred income taxes	(1,153)	(3,730)
Changes in operating assets and liabilities:
Inventories	3,352	3,093
Accounts receivable and prepaid expenses	5,658	4,608
Income taxes recoverable	1,666	612
Accounts payable and other liabilities	(21,239)	(10,030)
Income taxes payable	11,107	5,666
Other	525	183
Net cash provided by operating activities	38,069	31,026
Cash flows from investing activities:
Purchase of property and equipment	(29,935)	(20,624)
Proceeds from the sale of property and equipment	124	27
Purchase of marketable securities	(1,284)	(9,907)
Proceeds from the sale of marketable securities	15,213	3,191
Purchase of intangible assets	(549)	(644)
Change in SERP investment	(763)	(873)
Net cash used in investing activities	(17,194)	(28,830)
Cash flows from financing activities:
Dividends paid	(8,070)	(8,070)
Net cash used in financing activities	(8,070)	(8,070)
Net increase (decrease) in cash and cash equivalents	12,805	(5,874)
Cash and cash equivalents at beginning of year	17,596	22,986
Cash and cash equivalents at end of period	$ 30,401	$ 17,112