Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 24, 2016	Sep. 26, 2015
Cash flows from operating activities:
Net income	$ 46,021	$ 42,754
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	48,867	45,942
Amortization	7,331	6,145
Loss (gain) on disposition of fixed assets	690	(26)
Gain on sale of marketable securities	(438)	(15)
Gain on sale of intangible assets	(200)	0
Deferred income taxes	(2,628)	(4,929)
Changes in operating assets and liabilities:
Inventories	3,333	8,483
Accounts receivable and prepaid expenses	10,783	1,969
Income taxes recoverable	(114)	612
Accounts payable and other liabilities	(2,675)	(4,533)
Income taxes payable	0	3,314
Other	970	824
Net cash provided by operating activities	111,940	100,540
Cash flows from investing activities:
Purchase of property and equipment	(96,659)	(64,874)
Proceeds from the sale of property and equipment	281	1,302
Purchase of marketable securities	(29,277)	(26,184)
Proceeds from maturities of marketable securities	835	1,851
Proceeds from the sale of marketable securities	42,516	7,067
Acquisitions	(47,547)	0
Purchase of intangible assets	(1,697)	(1,886)
Proceeds from the sale of intangible assets	200	0
Change in SERP investment	(1,570)	(741)
Net cash used in investing activities	(132,918)	(83,465)
Cash flows from financing activities:
Proceeds from long-term debt	40,139	0
Dividends paid	(24,209)	(24,209)
Net cash provided by (used in) financing activities	15,930	(24,209)
Net decrease in cash and cash equivalents	(5,048)	(7,134)
Cash and cash equivalents at beginning of year	17,596	22,986
Cash and cash equivalents at end of period	$ 12,548	$ 15,852