CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jul. 01, 2014	Jul. 02, 2013	Jul. 01, 2014	Jul. 02, 2013
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Revenues	$ 496,406	$ 470,118	$ 977,837	$ 933,136
Costs and expenses:
Cost of sales	120,667	112,947	240,029	227,240
Labor expenses	160,777	151,162	320,227	302,145
Other operating costs and expenses	119,577	113,805	235,210	224,783
General and administrative expenses	29,042	27,811	60,284	56,600
Depreciation and amortization expenses	20,534	19,215	40,785	38,445
Impairment of assets and lease terminations	510	1,505	696	2,149
Preopening costs	2,608	2,503	4,842	3,817
Total costs and expenses	453,715	428,948	902,073	855,179
Income from operations	42,691	41,170	75,764	77,957
Interest and other expense, net	(1,544)	(1,271)	(2,935)	(2,581)
Income before income taxes	41,147	39,899	72,829	75,376
Income tax provision	11,098	11,316	20,262	21,501
Net income	$ 30,049	$ 28,583	$ 52,567	$ 53,875
Net income per share:
Basic (in dollars per share)	$ 0.61	$ 0.54	$ 1.05	$ 1.02
Diluted (in dollars per share)	$ 0.59	$ 0.52	$ 1.01	$ 0.99
Weighted average shares outstanding:
Basic (in shares)	49,349	52,892	50,044	52,574
Diluted (in shares)	51,358	55,073	52,098	54,692
Cash dividends declared per common share (in dollars per share)	$ 0.14	$ 0.12	$ 0.28	$ 0.24