Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 27, 2015	Dec. 28, 2014	Dec. 29, 2013
Total revenues	$ 1,637,375	$ 1,598,149	$ 1,439,022
General and administrative expenses	157,421	140,566	134,228
Other general expenses	6,205	8,223	6,673
Depreciation and amortization	40,307	39,965	35,105
Total costs and expenses	1,501,068	1,480,519	1,332,519
Operating income	136,307	117,630	106,503
Legal settlement expense	(12,278)
Investment income	794	702	589
Interest expense	(5,676)	(4,077)	(983)
Income before income taxes	119,147	114,255	106,109
Income tax expense	37,183	36,558	33,130
Net income before attribution to noncontrolling interests	81,964	77,697	72,979
Income attributable to noncontrolling interests	(6,282)	(4,382)	(3,442)
Net income attributable to the Company	75,682	73,315	69,537
Calculation of income for earnings per share:
Net income attributable to the Company	75,682	73,315	69,537
Decrease (increase) in noncontrolling interest redemption value	65	(44)	(510)
Net income attributable to participating securities	(325)	(402)	(530)
Net income attributable to common shareholders	$ 75,422	$ 72,869	$ 68,497
Basic earnings per common share	$ 1.91	$ 1.78	$ 1.58
Diluted earnings per common share	$ 1.89	$ 1.75	$ 1.55
Basic weighted average common shares outstanding	39,458	40,960	43,387
Diluted weighted average common shares outstanding	40,000	41,718	44,243
Dividends declared per common share	$ 0.63	$ 0.53	$ 0.25
Supplemental data (see Note 16):
Revenues - affiliates	$ 3,124	$ 3,546	$ 3,259
International
Royalties and franchise and development fees	27,289	25,730	21,979
Restaurant and commissary sales	77,402	76,725	66,661
International restaurant and commissary expenses	63,506	63,718	56,609
Domestic market | Domestic Company-owned restaurants
Total revenues	756,307	701,854	635,317
Cost of sales	178,952	175,733	156,237
Salaries and benefits	207,998	188,234	173,316
Advertising and related costs	67,164	63,463	59,172
Occupancy costs and other restaurant operating expenses	150,092	144,628	128,826
Total costs and expenses	604,206	572,058	517,551
Domestic market | North America franchising
Franchise royalties	95,046	89,443	81,692
Franchise and development fees	1,010	726	1,181
Domestic market | Domestic commissaries
Total revenues	615,610	629,492	578,870
Cost of sales	471,812	492,940	448,693
Salaries and benefits and other commissary operating expenses	96,715	91,981	85,649
Total costs and expenses	568,527	584,921	534,342
Domestic market | All others
Total revenues	64,711	74,179	53,322
Other operating expenses	$ 60,896	$ 71,068	$ 48,011