CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Apr. 03, 2012	Mar. 29, 2011
Revenues	$ 435,754	$ 418,765
Costs and expenses:
Cost of sales	107,598	104,664
Labor expenses	142,980	137,498
Other operating costs and expenses	105,888	103,274
General and administrative expenses	28,665	24,265
Depreciation and amortization expenses	18,298	17,453
Preopening costs	2,106	1,760
Total costs and expenses	405,535	388,914
Income from operations	30,219	29,851
Interest and other income/(expense), net	(1,148)	(1,402)
Income before income taxes	29,071	28,449
Income tax provision	8,349	7,993
Net income	20,722	20,456
Other comprehensive income, net	0
Comprehensive income	$ 20,722	$ 20,456
Net income per share:
Basic (in dollars per share)	$ 0.39	$ 0.35
Diluted (in dollars per share)	$ 0.37	$ 0.34
Weighted average shares outstanding:
Basic (in shares)	53,680	58,480
Diluted (in shares)	55,699	60,499