Consolidated Statements Of Operations And Comprehensive Loss (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Oct. 02, 2011	Sep. 30, 2012	Oct. 02, 2011
Revenues:
Revenue, Net	$ 169,471,000	$ 90,599,000	$ 377,025,000	$ 260,816,000
Costs and expenses:
Cost of sales	54,456,000	26,868,000	119,455,000	77,336,000
Restaurant wages and related expenses	53,494,000	27,616,000	118,808,000	82,003,000
Restaurant rent expense	12,348,000	5,749,000	26,010,000	17,151,000
Other restaurant operating expenses	28,820,000	13,686,000	60,684,000	40,162,000
Advertising expense	7,837,000	3,802,000	15,137,000	10,884,000
General and administrative (including stock-based compensation expense of $309, $273, $588 and $795, respectively)	9,331,000	4,778,000	23,610,000	14,753,000
Depreciation and amortization	8,176,000	3,924,000	19,215,000	11,712,000
Impairment and other lease charges (Note 3)	125,000	57,000	252,000	1,028,000
Other Income	(236,000)	(2,000)	(236,000)	(450,000)
Total operating expenses	174,351,000	86,478,000	382,935,000	254,579,000
Income from operations	(4,880,000)	4,121,000	(5,910,000)	6,237,000
Interest Expense	4,475,000	1,696,000	8,030,000	6,385,000
Loss on extinguishment of debt	0	1,233,000	1,509,000	1,233,000
Income (loss) from continuing operations before income taxes	(9,355,000)	1,192,000	(15,449,000)	(1,381,000)
Provision (benefit) for income taxes (Note 6)	(2,663,000)	835,000	(4,936,000)	(1,206,000)
Income (loss) from continuing operations	(6,692,000)	357,000	(10,513,000)	(175,000)
Income (loss) from discontinued operations, net of income taxes	(2,000)	3,048,000	42,000	11,334,000
Net income (loss)	(6,694,000)	3,405,000	(10,471,000)	11,159,000
Income (Loss) from Continuing Operations, Per Basic Share	$ (0.29)	$ 0.02	$ (0.47)	$ (0.01)
Income (Loss) from Discontinued Operations, Net of Tax, Per Basic Share	$ 0.00	$ 0.14	$ 0.00	$ 0.52
Continuing operations	$ (0.29)	$ 0.02	$ (0.47)	$ (0.01)
Discontinued operations	$ 0.00	$ 0.14	$ 0.00	$ 0.52
Basic weighted average common shares outstanding (Note 11)	22,747,041	21,690,753	22,524,537	21,665,551
Diluted weighted average common shares outstanding (Note 11)	22,747,041	22,232,539	22,524,537	21,665,551
Other comprehensive income (loss), net of tax:
Net income (loss)	(6,694,000)	3,405,000	(10,471,000)	11,159,000
Change in valuation of interest rate swap, net of tax	0	0	68,000	0
Comprehensive income (loss)	$ (6,694,000)	$ 3,405,000	$ (10,403,000)	$ 11,159,000