Consolidated Statements Of Income (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 25, 2011	Dec. 26, 2010	Dec. 27, 2009
Revenues:
Restaurant sales	$ 353,606	$ 337,721	$ 325,818
Franchise income	12,464	11,532	10,533
Other operating income	3,503	3,722	3,560
Total revenues	369,573	352,975	339,911
Costs and expenses:
Food and beverage costs	109,577	100,475	95,474
Restaurant operating expenses	183,294	177,538	173,489
Marketing and advertising	11,806	11,469	11,557
General and administrative costs	22,803	22,800	23,777
Depreciation and amortization expenses	14,859	15,360	16,278
Pre-opening costs	192	387	16
Loss on impairment	3,042	805	7,965
Restructuring expense (benefit)	(502)	(1,683)	40
Loss on the disposal of property and equipment, net	436	21	1,963
Operating income	24,066	25,803	9,352
Other income (expense):
Interest expense	(2,892)	(4,244)	(7,754)
Other	(486)	20	526
Income from continuing operations before income tax expense	20,688	21,579	2,124
Income tax expense (benefit)	1,597	4,769	(1,427)
Income from continuing operations	19,091	16,810	3,551
Discontinued operations:
Loss (income) from operations of discontinued restaurants, net of income tax benefit (expense): 2009-$879; 2010-$455; 2011-$182	(458)	853	1,132
Net income	19,549	15,957	2,419
Preferred stock dividends	2,493	2,178
Accretion of preferred stock redemption value	353	309
Net income available to preferred and common shareholders	$ 16,703	$ 13,470	$ 2,419
Basic earnings per common share:
Continuing operations	$ 0.38	$ 0.36	$ 0.15
Discontinued operations	$ 0.01	$ (0.02)	$ (0.05)
Basic earnings per share	$ 0.39	$ 0.34	$ 0.10
Diluted earnings per common share:
Continuing operations	$ 0.38	$ 0.36	$ 0.15
Discontinued operations	$ 0.01	$ (0.02)	$ (0.05)
Diluted earnings per share	$ 0.39	$ 0.34	$ 0.10
Shares used in computing net income per common share:
Basic	34,093,104	32,513,867	23,566,358
Diluted	43,252,101	40,239,854	23,733,260