Consolidated Statements Of Operations And Comprehensive Loss (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 29, 2013	Dec. 30, 2012	Jan. 01, 2012
Restaurant sales	$ 663,483	$ 539,608	$ 347,518
Costs and expenses:
Cost of sales	201,532	172,698	103,860
Restaurant wages and related expenses	208,404	169,857	109,155
Restaurant rent expense	47,198	37,883	22,665
Other restaurant operating expenses	106,508	88,883	53,389
Advertising expense	29,615	22,257	14,424
General and administrative	37,228	36,085	20,982
Depreciation and amortization	33,594	26,321	16,058
Impairment and other lease charges	4,462	977	1,293
Other income	17	(717)	(720)
Total operating expenses	668,558	554,244	341,106
Income from operations	(5,075)	(14,636)	6,412
Interest Expense	18,841	12,764	7,353
Loss on extinguishment of debt	0	1,509	1,244
Income (loss) from continuing operations before income taxes	(23,916)	(28,909)	(2,185)
Provision (benefit) for income taxes	(10,397)	(10,093)	(1,661)
Income (loss) from continuing operations	(13,519)	(18,816)	(524)
Income (loss) from discontinued operations, net of income taxes	0	(72)	11,742
Net income (loss)	(13,519)	(18,888)	11,218
Basic and diluted net income (loss) per share:
Continuing Operations	$ (0.59)	$ (0.83)	$ (0.02)
Discontinued Operations	$ 0.00	$ 0.00	$ 0.54
Basic and diluted weighted average common shares outstanding	22,958,963	22,580,468	21,677,837
Other comprehensive income (loss), net of tax:
Net income (loss)	(13,519)	(18,888)	11,218
Change in valuation of interest rate swap, net of tax	0	68	(68)
Change in postretirement benefit obligations, net of tax	33	(484)	(382)
Comprehensive income (loss)	$ (13,486)	$ (19,304)	$ 10,768