CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Oct. 01, 2013	Oct. 02, 2012	Oct. 01, 2013	Oct. 02, 2012
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Revenues	$ 469,699	$ 453,819	$ 1,402,835	$ 1,344,322
Costs and expenses:
Cost of sales	112,430	111,620	339,670	330,237
Labor expenses	150,910	145,630	453,055	434,696
Other operating costs and expenses	113,955	113,700	338,738	328,458
General and administrative expenses	28,805	22,450	85,405	77,393
Depreciation and amortization expenses	19,661	18,733	58,106	55,540
Impairment of assets and lease terminations	1,097		3,246
Preopening costs	4,210	2,362	8,027	7,485
Total costs and expenses	431,068	414,495	1,286,247	1,233,809
Income from operations	38,631	39,324	116,588	110,513
Interest and other expense, net	(727)	(1,710)	(3,308)	(3,696)
Income before income taxes	37,904	37,614	113,280	106,817
Income tax provision	10,423	10,451	31,924	30,533
Net income	$ 27,481	$ 27,163	$ 81,356	$ 76,284
Net income per share:
Basic (in dollars per share)	$ 0.52	$ 0.51	$ 1.55	$ 1.43
Diluted (in dollars per share)	$ 0.50	$ 0.49	$ 1.49	$ 1.38
Weighted average shares outstanding:
Basic (in shares)	52,416	52,958	52,521	53,264
Diluted (in shares)	54,612	55,126	54,654	55,271
Cash dividends declared per common share (in dollars per share)	$ 0.14	$ 0.12	$ 0.38	$ 0.12