Condensed Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 28, 2015	Jun. 29, 2014	Jun. 28, 2015	Jun. 29, 2014
Total revenues	$ 398,991	$ 380,864	$ 831,275	$ 782,241
General and administrative expenses	42,043	33,562	83,976	70,528
Other general expenses	1,004	1,964	2,820	3,497
Depreciation and amortization	10,136	9,855	20,177	19,019
Total costs and expenses	367,995	353,865	762,634	723,240
Operating income	30,996	26,999	68,641	59,001
Legal settlement expense	(12,278)		(12,278)
Net interest (expense) income	(1,187)	(763)	(2,396)	(1,355)
Income before income taxes	17,531	26,236	53,967	57,646
Income tax expense	5,063	8,397	17,260	19,266
Net income before attribution to noncontrolling interests	12,468	17,839	36,707	38,380
Income attributable to noncontrolling interests	(1,688)	(1,091)	(3,691)	(2,321)
Net income attributable to the Company	10,780	16,748	33,016	36,059
Calculation of income for earnings per share:
Net income attributable to the Company	10,780	16,748	33,016	36,059
Decrease (increase) in noncontrolling interest redemption value	73	(31)	143	(39)
Net income attributable to participating securities	(50)	(81)	(150)	(218)
Net income attributable to common shareholders	$ 10,803	$ 16,636	$ 33,009	$ 35,802
Basic earnings per common share	$ 0.27	$ 0.40	$ 0.83	$ 0.86
Diluted earnings per common share	$ 0.27	$ 0.40	$ 0.82	$ 0.85
Basic weighted average common shares outstanding	39,692	41,225	39,764	41,501
Diluted weighted average common shares outstanding	40,217	41,970	40,368	42,332
Dividends declared per common share	$ 0.14	$ 0.125	$ 0.28	$ 0.25
International
Royalties and franchise and development fees	$ 6,641	$ 6,317	$ 13,139	$ 12,096
Restaurant and commissary sales	19,685	19,256	38,613	37,106
International restaurant and commissary expenses	16,250	15,876	31,728	30,761
Domestic market | Domestic Company-owned restaurants
Total revenues	185,962	170,000	383,249	348,193
Cost of sales	43,289	42,030	90,793	87,186
Salaries and benefits	51,502	45,805	105,160	93,388
Advertising and related costs	16,492	15,354	33,262	31,610
Occupancy costs and other restaurant operating expenses	36,073	34,666	73,173	69,264
Total costs and expenses	147,356	137,855	302,388	281,448
Domestic market | North America franchising
Franchise royalties	23,081	20,983	48,440	43,597
Franchise and development fees	195	132	460	276
Domestic market | Domestic commissaries
Total revenues	149,007	150,581	311,340	314,628
Cost of sales	113,777	118,470	238,903	247,394
Salaries and benefits and other commissary operating expenses	23,781	23,062	48,391	45,941
Total costs and expenses	137,558	141,532	287,294	293,335
Domestic market | All others
Total revenues	14,420	13,595	36,034	26,345
Other operating expenses	$ 13,648	$ 13,221	$ 34,251	$ 24,652