Condensed Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 27, 2015	Sep. 28, 2014	Sep. 27, 2015	Sep. 28, 2014
Total revenues	$ 389,284	$ 390,399	$ 1,220,559	$ 1,172,640
General and administrative expenses	36,053	33,671	120,029	104,199
Other general expenses	1,607	3,143	4,427	6,640
Depreciation and amortization	10,461	10,520	30,638	29,539
Total costs and expenses	361,847	365,213	1,124,481	1,088,453
Operating income	27,437	25,186	96,078	84,187
Legal settlement expense			(12,278)
Net interest (expense) income	(1,180)	(968)	(3,576)	(2,323)
Income before income taxes	26,257	24,218	80,224	81,864
Income tax expense	7,281	7,256	24,541	26,522
Net income before attribution to noncontrolling interests	18,976	16,962	55,683	55,342
Income attributable to noncontrolling interests	(1,005)	(887)	(4,696)	(3,208)
Net income attributable to the Company	17,971	16,075	50,987	52,134
Calculation of income for earnings per share:
Net income attributable to the Company	17,971	16,075	50,987	52,134
Decrease (increase) in noncontrolling interest redemption value	49	(42)	192	(81)
Net income attributable to participating securities	(73)	(77)	(223)	(295)
Net income attributable to common shareholders	$ 17,947	$ 15,956	$ 50,956	$ 51,758
Basic earnings per common share	$ 0.46	$ 0.39	$ 1.29	$ 1.25
Diluted earnings per common share	$ 0.45	$ 0.39	$ 1.27	$ 1.23
Basic weighted average common shares outstanding	39,394	40,739	39,640	41,248
Diluted weighted average common shares outstanding	39,895	41,386	40,210	42,021
Dividends declared per common share	$ 0.175	$ 0.14	$ 0.455	$ 0.39
International
Royalties and franchise and development fees	$ 6,755	$ 6,673	$ 19,894	$ 18,769
Restaurant and commissary sales	20,246	19,719	58,859	56,825
International restaurant and commissary expenses	16,481	16,605	48,209	47,366
Domestic market | Domestic Company-owned restaurants
Total revenues	180,059	169,076	563,308	517,269
Cost of sales	42,150	42,460	132,943	129,646
Salaries and benefits	50,229	45,835	155,389	139,223
Advertising and related costs	16,293	15,369	49,555	46,979
Occupancy costs and other restaurant operating expenses	39,864	35,687	113,037	104,951
Total costs and expenses	148,536	139,351	450,924	420,799
Domestic market | North America franchising
Franchise royalties	22,079	22,131	70,519	65,728
Franchise and development fees	206	217	666	493
Domestic market | Domestic commissaries
Total revenues	145,863	149,224	457,203	463,852
Cost of sales	111,205	116,908	350,108	364,302
Salaries and benefits and other commissary operating expenses	24,029	22,221	72,420	68,162
Total costs and expenses	135,234	139,129	422,528	432,464
Domestic market | All others
Total revenues	14,076	23,359	50,110	49,704
Other operating expenses	$ 13,475	$ 22,794	$ 47,726	$ 47,446