Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 28, 2014	Dec. 29, 2013	Dec. 30, 2012
Total revenues	$ 1,598,149	$ 1,439,022	$ 1,342,653
General and administrative expenses	140,566	134,228	131,591
Other general expenses	8,223	6,673	8,313
Depreciation and amortization	39,965	35,105	32,798
Total costs and expenses	1,480,519	1,332,519	1,242,846
Operating income	117,630	106,503	99,807
Investment income	702	589	750
Interest expense	(4,077)	(983)	(2,162)
Income before income taxes	114,255	106,109	98,395
Income tax expense	36,558	33,130	32,393
Net income before attribution to noncontrolling interests	77,697	72,979	66,002
Income attributable to noncontrolling interests	(4,382)	(3,442)	(4,342)
Net income attributable to the Company	73,315	69,537	61,660
Calculation of income for earnings per share:
Net income attributable to the Company	73,315	69,537	61,660
Increase in noncontrolling interest redemption value	(44)	(510)
Net income attributable to participating securities	(402)	(530)
Net income attributable to common shareholders	72,869	68,497	61,660
Basic earnings per common share	$ 1.78	$ 1.58	$ 1.31
Diluted earnings per common share	$ 1.75	$ 1.55	$ 1.29
Basic weighted average common shares outstanding	40,960	43,387	46,916
Diluted weighted average common shares outstanding	41,718	44,243	47,810
Dividends declared per common share (in dollars per share)	$ 0.53	$ 0.25
Supplemental data (see Note 16):
Revenues - affiliates	3,546	3,259	29,310
International
Royalties and franchise and development fees	25,730	21,979	19,881
Restaurant and commissary sales	76,725	66,661	53,049
International restaurant and commissary expenses	63,718	56,609	44,853
Domestic market | Domestic Company-owned restaurants
Total revenues	701,854	635,317	592,203
Cost of sales	175,733	156,237	137,378
Salaries and benefits	188,234	173,316	163,260
Advertising and related costs	63,463	59,172	54,583
Occupany costs and other restaurant operating expenses	144,628	128,826	120,581
Total costs and expenses	572,058	517,551	475,802
Domestic market | North America franchising
Franchise royalties	89,443	81,692	79,567
Franchise and development fees	726	1,181	806
Domestic market | Domestic commissaries
Total revenues	629,492	578,870	545,924
Cost of sales	492,940	448,693	426,531
Salaries and benefits and other commissary operating expenses	91,981	85,649	77,503
Total costs and expenses	584,921	534,342	504,034
Domestic market | All others
Total revenues	74,179	53,322	51,223
Other operating expenses	$ 71,068	$ 48,011	$ 45,455