CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Oct. 02, 2012	Sep. 27, 2011	Oct. 02, 2012	Sep. 27, 2011
Revenues	$ 453,819	$ 430,417	$ 1,344,322	$ 1,279,928
Costs and expenses:
Cost of sales	111,620	109,274	330,237	323,862
Labor expenses	145,630	139,085	434,696	416,052
Other operating costs and expenses	113,700	106,510	328,458	313,176
General and administrative expenses	22,450	23,442	77,393	71,915
Depreciation and amortization expenses	18,733	17,588	55,540	52,524
Preopening costs	2,362	4,264	7,485	7,132
Total costs and expenses	414,495	400,163	1,233,809	1,184,661
Income from operations	39,324	30,254	110,513	95,267
Interest and other (expense)/income, net	(1,710)	(1,201)	(3,696)	(3,697)
Income before income taxes	37,614	29,053	106,817	91,570
Income tax provision	10,451	8,479	30,533	25,792
Net income	27,163	20,574	76,284	65,778
Other comprehensive income, net			0
Comprehensive income	$ 27,163	$ 20,574	$ 76,284	$ 65,778
Net income per share:
Basic (in dollars per share)	$ 0.51	$ 0.37	$ 1.43	$ 1.15
Diluted (in dollars per share)	$ 0.49	$ 0.36	$ 1.38	$ 1.11
Weighted average shares outstanding:
Basic (in shares)	52,958	55,661	53,264	57,136
Diluted (in shares)	55,126	57,439	55,271	59,108
Cash dividends declared per common share	$ 0.12		$ 0.12