Consolidated Statements of Cash Flows (unaudited) (USD $)	3 Months Ended
	Mar. 31, 2015	Apr. 01, 2014
Cash flows from operations:
Net income	$ 31,860,000	$ 42,395,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	33,947,000	29,442,000
Stock-based compensation expense	4,046,000	3,139,000
Tax benefit from stock-based compensation	(28,000)	(351,000)
Deferred income taxes	(32,379,000)	(16,325,000)
Refranchising loss	8,891,000	0
Other	458,000	297,000
Changes in operating assets and liabilities, excluding the effect of acquisitions and dispositions:
Trade and other accounts receivable, net	54,290,000	37,414,000
Inventories	1,676,000	2,688,000
Prepaid expenses and other	(1,167,000)	3,479,000
Deposits and other	160,000	(94,000)
Accounts payable	(273,000)	9,632,000
Accrued expenses	(25,059,000)	(39,096,000)
Deferred rent	772,000	(2,496,000)
Other long-term liabilities	(5,176,000)	(5,679,000)
Net cash provided by operating activities	72,018,000	64,445,000
Cash flows from investing activities:
Additions to property and equipment	(49,574,000)	(42,301,000)
Proceeds from refranchising	3,218,000	0
Proceeds from sale-leaseback transactions	2,161,000	2,709,000
Proceeds from sale of property and equipment	1,553,000	0
Net cash used in investing activities	(42,642,000)	(39,592,000)
Cash flows from financing activities:
Repurchase of common stock	(25,139,000)	(50,300,000)
Exercise of employee stock options	0	190,000
Tax benefit from stock-based compensation	28,000	351,000
Proceeds from issuance of common stock under employee benefit plans	773,000	748,000
Net cash used in financing activities	(24,338,000)	(49,011,000)
Net increase (decrease) in cash and cash equivalents	5,038,000	(24,158,000)
Cash and cash equivalents at beginning of period	196,493,000	125,245,000
Cash and cash equivalents at end of period	$ 201,531,000	$ 101,087,000