Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 29, 2015	Dec. 30, 2014	Dec. 31, 2013
Cash flows from operations:
Net Income	$ 149,325,000	$ 179,293,000	$ 196,169,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	135,398,000	124,109,000	106,523,000
Stock-based compensation expense	15,086,000	10,077,000	10,703,000
Tax benefit from exercise of stock options	(2,057,000)	(3,089,000)	(8,100,000)
Deferred income taxes	(10,991,000)	10,459,000	10,356,000
Refranchising loss	12,942,000	0	0
Other	3,505,000	4,617,000	6,353,000
Changes in operating assets and liabilities, excluding the effect of acquisitions and dispositions:
Trade and other accounts receivable, net	(3,605,000)	(22,139,000)	3,021,000
Inventories	(1,698,000)	(895,000)	(2,186,000)
Prepaid expenses and other	(7,191,000)	(8,524,000)	(841,000)
Deposits and other	(455,000)	239,000	1,449,000
Accounts payable	(183,000)	1,978,000	8,162,000
Accrued expenses	31,169,000	35,288,000	13,372,000
Deferred rent	3,751,000	1,067,000	5,868,000
Other long-term liabilities	(6,951,000)	2,599,000	(2,432,000)
Net cash provided by operating activities	318,045,000	335,079,000	348,417,000
Cash flows from investing activities:
Additions to property and equipment	(223,932,000)	(224,217,000)	(192,010,000)
Acquisitions, net of cash acquired	0	0	(2,446,000)
Purchase of investments	0	0	(97,919,000)
Proceeds from sale of investments	0	0	97,936,000
Proceeds from refranchising	46,869,000	0	0
Proceeds from sale of property and equipment	1,553,000	0	0
Proceeds from sale-leaseback transactions	10,095,000	12,900,000	6,132,000
Net cash used in investing activities	(165,415,000)	(211,317,000)	(188,307,000)
Cash flows from financing activities:
Proceeds from Issuance of Long-term Debt	299,070,000	100,000,000	0
Repayments of Long-term Debt	(6,301,000)	0	0
Capitalized debt issuance costs	(363,000)	(193,000)	0
Payment of Deferred Acquisition Holdback	0	(270,000)	(4,112,000)
Repurchase of common stock	(405,513,000)	(159,503,000)	(339,409,000)
Exercise of employee stock options	288,000	1,116,000	573,000
Tax benefit from stock-based compensation	2,057,000	3,089,000	8,100,000
Proceeds from issuance of common stock under employee benefit plans	3,525,000	3,247,000	2,842,000
Net cash used in financing activities	(107,237,000)	(52,514,000)	(332,006,000)
Net increase (decrease) in cash and cash equivalents	45,393,000	71,248,000	(171,896,000)
Cash and cash equivalents at beginning of period	196,493,000	125,245,000	297,141,000
Cash and cash equivalents at end of period	$ 241,886,000	$ 196,493,000	$ 125,245,000