Consolidated Statements of Cash Flows (unaudited) - USD ($)	6 Months Ended
	Jun. 28, 2016	Jun. 30, 2015
Cash flows from operations:
Net income	$ 69,554,000	$ 73,789,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	75,088,000	66,282,000
Stock-based compensation expense	8,058,000	7,482,000
Tax benefit from stock-based compensation	(114,000)	(43,000)
Deferred income taxes	3,116,000	(28,649,000)
Refranchising loss, cash flow	7,414,000	9,558,000
Other	5,434,000	1,148,000
Changes in operating assets and liabilities, excluding the effect of acquisitions and dispositions:
Trade and other accounts receivable, net	33,366,000	49,413,000
Inventories	1,043,000	1,264,000
Prepaid expenses and other	2,875,000	1,348,000
Deposits and other	851,000	360,000
Accounts payable	7,710,000	16,755,000
Accrued expenses	(10,990,000)	(25,718,000)
Deferred rent	(204,000)	1,878,000
Other long-term liabilities	(615,000)	(5,262,000)
Net cash provided by operating activities	202,586,000	169,605,000
Cash flows from investing activities:
Additions to property and equipment	(98,955,000)	(104,856,000)
Proceeds from refranchising	15,151,000	3,218,000
Proceeds from sale-leaseback transactions	2,998,000	7,184,000
Proceeds from sale of property and equipment	0	1,553,000
Net cash used in investing activities	(80,806,000)	(92,901,000)
Cash flows from financing activities:
Repayments of Long-term Debt	(8,647,000)	0
Repurchase of common stock	(196,842,000)	(150,185,000)
Tax benefit from stock-based compensation	114,000	43,000
Proceeds from issuance of common stock under employee benefit plans	1,772,000	1,761,000
Distribution to redeemable noncontrolling interest	(45,000)	0
Net cash used in financing activities	(203,648,000)	(148,381,000)
Net decrease in cash and cash equivalents	(81,868,000)	(71,677,000)
Cash and cash equivalents at beginning of period	241,886,000	196,493,000
Cash and cash equivalents at end of period	$ 160,018,000	$ 124,816,000