Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 27, 2017	Jun. 28, 2016
Cash flows from operating activities:
Net income including noncontrolling interests	$ 75,202	$ 71,862
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	45,702	39,777
Deferred income taxes	(3,780)	(3,395)
Loss on disposition of assets	2,339	2,696
Equity income from investments in unconsolidated affiliates	(790)	(827)
Distributions of income received from investments in unconsolidated affiliates	370	998
Provision for doubtful accounts	19	35
Share-based compensation expense	12,365	11,703
Changes in operating working capital:
Receivables	26,814	24,285
Inventories	819	1,190
Prepaid expenses	980	1,427
Other assets	(4,046)	(1,915)
Accounts payable	(744)	(4,705)
Deferred revenue-gift cards	(51,170)	(39,499)
Accrued wages	3,083	(10,089)
Excess tax benefits from share-based compensation		(2,193)
Prepaid income taxes and income taxes payable	7,254	10,941
Accrued taxes and licenses	1,208	276
Other accrued liabilities	5,883	6,074
Deferred rent	2,842	2,220
Other liabilities	3,958	3,207
Net cash provided by operating activities	128,308	114,068
Cash flows from investing activities:
Capital expenditures-property and equipment	(73,637)	(69,159)
Acquisition of franchise restaurants, net of cash acquired	(16,528)
Net cash used in investing activities	(90,165)	(69,159)
Cash flows from financing activities:
Proceeds from revolving credit facility, net		25,000
Proceeds from noncontrolling interest contribution	3,457
Repurchase of shares of common stock		(4,110)
Distributions to noncontrolling interest holders	(2,748)	(2,487)
Excess tax benefits from share-based compensation		2,193
Proceeds from stock option and other deposits, net	436	285
Indirect repurchase of shares for minimum tax withholdings	(8,626)	(6,337)
Principal payments on long-term debt and capital lease obligation	(81)	(71)
Proceeds from exercise of stock options	1,291	1,866
Dividends paid to shareholders	(28,308)	(25,277)
Net cash used in financing activities	(34,579)	(8,938)
Net increase in cash and cash equivalents	3,564	35,971
Cash and cash equivalents—beginning of period	112,944	59,334
Cash and cash equivalents—end of period	116,508	95,305
Supplemental disclosures of cash flow information:
Interest paid, net of amounts capitalized	588	499
Income taxes paid	24,638	23,398
Capital expenditures included in current liabilities	$ 6,110	$ 3,710