Consolidated Statements Of Operations And Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 03, 2016	Jun. 28, 2015	Jul. 03, 2016	Jun. 28, 2015
Revenues:
Restaurant sales	$ 241,368	$ 219,102	$ 463,887	$ 412,272
Costs and expenses:
Cost of sales	62,117	60,496	121,137	117,346
Restaurant wages and related expenses	73,545	66,707	145,628	130,019
Restaurant rent expense	16,118	14,571	31,996	28,995
Other restaurant operating expenses	37,316	33,654	73,005	66,146
Advertising expense	10,770	8,080	19,898	15,363
General and administrative	14,355	12,903	27,561	24,499
Depreciation and amortization	11,486	9,793	22,543	19,798
Impairment and other lease charges	286	706	508	2,336
Other expense	1,479	(166)	1,035	(126)
Total operating expenses	227,472	206,744	443,311	404,376
Income from operations	13,896	12,358	20,576	7,896
Interest expense	4,520	4,700	9,055	9,514
Loss on extinguishment of debt	0	12,635	0	12,635
Income (loss) before income taxes	9,376	(4,977)	11,521	(14,253)
Provision (benefit) for income taxes	0	0	0	0
Net income (loss)	$ 9,376	$ (4,977)	$ 11,521	$ (14,253)
Basic and diluted net income (loss) per share	$ 0.21	$ (0.14)	$ 0.25	$ (0.41)
Diluted weighted average common shares outstanding	44,818,528	34,899,019	44,849,707	34,890,661
Other comprehensive income (loss), net of tax:
Net income (loss)	$ 9,376	$ (4,977)	$ 11,521	$ (14,253)
Other	0	0	0	0
Comprehensive income (loss)	$ 9,376	$ (4,977)	$ 11,521	$ (14,253)