Condensed Consolidated Statements of Comprehensive Income (Unaudited) (As Restated [Member], USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 24, 2012	Jun. 26, 2011	Jun. 24, 2012		Jun. 26, 2011
Total revenues	$ 318,579	$ 293,534	$ 649,855		$ 606,001
General and administrative expenses	31,463	27,617	63,059		56,691
Other general expenses	1,135	1,459	6,809		2,240
Depreciation and amortization	8,104	8,425	16,031		16,737
Total costs and expenses	294,252	274,379	598,272		559,635
Operating income	24,327	19,155	51,583		46,366
Investment income	195	205	365		382
Interest expense	(1,056)	(383)	(962)		(1,718)
Income before income taxes	23,466	18,977	50,986		45,030
Income tax expense	8,005	5,980	17,218		14,935
Net income, including redeemable noncontrolling interests	15,461	12,997	33,768		30,095
Income attributable to redeemable noncontrolling interests	(1,172)	(929)	(2,498)		(2,051)
Net income, net of redeemable noncontrolling interests	14,289	12,068	31,270	[1]	28,044	[1]
Basic earnings per common share	$ 0.60	$ 0.47	$ 1.31		$ 1.10
Earnings per common share - assuming dilution	$ 0.59	$ 0.47	$ 1.29		$ 1.09
Basic weighted average shares outstanding	23,733	25,464	23,893		25,474
Diluted weighted average shares outstanding	24,112	25,685	24,270		25,713
Comprehensive income, including redeemable noncontrolling interests	15,010	12,483	33,528		30,854
Comprehensive income, redeemable noncontrolling interests	(1,172)	(929)	(2,498)		(2,051)
Comprehensive income, net of redeemable noncontrolling interests	13,838	11,554	31,030		28,803
Domestic Company-owned Restaurant [Member]
Revenue from external customers	143,527	127,641	287,342		266,312
Cost of sales	32,881	30,162	65,337		62,262
Salaries and benefits	39,839	34,367	78,652		72,016
Advertising and related costs	13,278	11,898	25,977		24,687
Occupancy costs	8,619	7,939	16,517		15,808
Other operating expenses	20,830	18,492	41,248		38,407
Total costs and expenses	115,447	102,858	227,731		213,180
North America [Member]
Franchise royalties	19,101	18,103	39,619		37,834
Franchise and development fees	206	124	428		309
Domestic Commissaries [Member]
Revenue from external customers	126,593	121,027	264,203		248,699
All Others [Member]
Other sales	11,771	12,370	24,029		25,817
International [Member]
Royalties and franchise and development fees	4,701	4,049	9,187		7,811
Revenue from external customers	12,680	10,220	25,047		19,219
Operating expenses	10,975	8,756	21,367		16,484
Domestic Commissary and Other [Member]
Cost of sales	104,412	103,529	217,250		209,972
Salaries and benefits	9,218	8,651	18,221		17,662
Other operating expenses	13,498	13,084	27,804		26,669
Total costs and expenses	$ 127,128	$ 125,264	$ 263,275		$ 254,303

[1] Net income at June 24, 2012 and June 26, 2011 is net of $2,498 and $2,051, respectively, allocable to the redeemable noncontrolling interests for our joint venture arrangements.