Condensed Consolidated Statement of Income (USD $) In Thousands, except Per Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Condensed Consolidated Statement of Income
Revenue	$ 571,561	$ 466,841	$ 1,080,945	$ 876,527
Restaurant operating costs (exclusive of depreciation and amortization shown separately below):
Food, beverage and packaging	188,121	141,922	351,029	265,830
Labor	137,705	114,790	262,993	218,807
Occupancy	36,195	31,772	71,510	62,860
Other operating costs	62,221	52,968	119,606	96,646
General and administrative expenses	41,968	30,141	74,184	56,335
Depreciation and amortization	18,505	17,053	36,999	33,787
Pre-opening costs	1,606	1,724	2,902	3,226
Loss on disposal of assets	1,377	1,512	3,038	2,781
Total operating expenses	487,698	391,882	922,261	740,272
Income from operations	83,863	74,959	158,684	136,255
Interest and other income	475	427	950	702
Interest and other expense	(2,481)	(85)	(2,669)	(164)
Income before income taxes	81,857	75,301	156,965	136,793
Provision for income taxes	(31,200)	(28,840)	(59,926)	(52,485)
Net income	$ 50,657	$ 46,461	$ 97,039	$ 84,308
Earnings per share
Basic	$ 1.63	$ 1.48	$ 3.12	$ 2.68
Diluted	$ 1.59	$ 1.46	$ 3.06	$ 2.65
Weighted average common shares outstanding
Basic	31,167	31,373	31,125	31,428
Diluted	31,761	31,802	31,740	31,808