Consolidated Statements Of Operations And Comprehensive Loss (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jul. 01, 2012	Jun. 30, 2013	Jul. 01, 2012
Revenues:
Revenue, Net	$ 173,518	$ 122,104	$ 329,657	$ 207,554
Costs and expenses:
Cost of sales	52,870	38,877	101,501	64,999
Restaurant wages and related expenses	53,665	37,446	104,332	65,314
Restaurant rent expense	11,869	7,932	23,578	13,615
Other restaurant operating expenses	27,547	18,221	53,783	31,864
Advertising expense	7,926	4,604	15,020	7,300
General and administrative	9,524	8,081	18,602	14,280
Depreciation and amortization	8,391	6,149	16,454	10,842
Impairment and other lease charges	2,198	101	2,828	127
Other Income	0	0	(185)	0
Total operating expenses	173,990	121,411	335,913	208,341
Loss from operations	(472)	693	(6,256)	(787)
Interest expense	4,711	2,646	9,422	3,561
Loss on extinguishment of debt	0	1,509	0	1,509
Loss from continuing operations before income taxes	(5,183)	(3,462)	(15,678)	(5,857)
Provision (benefit) for income taxes	(1,687)	(2,683)	(6,983)	(2,175)
Loss from continuing operations	(3,496)	(779)	(8,695)	(3,682)
Loss from discontinued operations, net of income taxes	0	668	0	44
Net loss	(3,496)	(111)	(8,695)	(3,638)
Loss from continuing operations, per basic and diluted share	$ (0.15)	$ (0.03)	$ (0.38)	$ (0.16)
Loss from discontinued operations, per basic and diluted share	$ 0.00	$ 0.03	$ 0.00	$ 0.00
Basic and diluted weighted average common shares outstanding	22,899,092	22,742,257	22,883,993	22,413,285
Other comprehensive income (loss), net of tax:
Net loss	(3,496)	(111)	(8,695)	(3,638)
Change in valuation of interest rate swap, net of tax	0	106	0	68
Other	0	0	(13)	0
Comprehensive loss	$ (3,496)	$ (5)	$ (8,708)	$ (3,570)