Condensed Consolidated Statements of Comprehensive Income (Unaudited) (As Restated [Member], USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 25, 2012		Mar. 27, 2011
Total revenues	$ 331,276		$ 312,467
General and administrative expenses	31,596		29,074
Other general expenses	5,674		781
Depreciation and amortization	7,927		8,312
Total costs and expenses	304,020		285,256
Operating income	27,256		27,211
Investment income	170		177
Interest income (expense)	94		(1,335)
Income before income taxes	27,520		26,053
Income tax expense	9,213		8,955
Net income, including redeemable noncontrolling interests	18,307		17,098
Income attributable to redeemable noncontrolling interests	(1,326)		(1,122)
Net income, net of redeemable noncontrolling interests	16,981	[1]	15,976	[1]
Basic earnings per common share	$ 0.71		$ 0.63
Earnings per common share - assuming dilution	$ 0.69		$ 0.62
Basic weighted average shares outstanding	24,053		25,484
Diluted weighted average shares outstanding	24,438		25,757
Comprehensive income, including redeemable noncontrolling interests	18,518		18,371
Comprehensive income, redeemable noncontrolling interests	(1,326)		(1,122)
Comprehensive income, net of redeemable noncontrolling interests	17,192		17,249
Domestic Company-owned Restaurant [Member]
Revenue from external customers	143,815		138,671
Cost of sales	32,456		32,100
Salaries and benefits	38,813		37,649
Advertising and related costs	12,699		12,789
Occupancy costs	7,898		7,869
Other operating expenses	20,418		19,915
Total costs and expenses	112,284		110,322
North America [Member]
Franchise royalties	20,518		19,731
Franchise and development fees	222		185
Domestic Commissaries [Member]
Revenue from external customers	137,610		127,672
All Others [Member]
Other sales	12,258		13,447
International [Member]
Royalties and franchise and development fees	4,486		3,762
Revenue from external customers	12,367		8,999
Operating expenses	10,392		7,728
Domestic Commissary and Other [Member]
Cost of sales	112,838		106,443
Salaries and benefits	9,003		9,011
Other operating expenses	14,306		13,585
Total costs and expenses	$ 136,147		$ 129,039

[1] Net income at March 25, 2012 and March 27, 2011 is net of $1,326 and $1,122, respectively, allocable to the redeemable noncontrolling interests for our joint venture arrangements.