Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Jan. 03, 2016	Dec. 28, 2014	Dec. 29, 2013
Cash flows provided from (used for) operating activities:
Net income (loss)	$ 4	$ (38,117)	$ (13,519)
Adjustments to reconcile net income to net cash provided from operating activities:
Loss on disposals of property and equipment	364	537	925
Stock-based compensation	1,438	1,180	1,205
Impairment and other lease charges	3,078	3,541	4,462
Depreciation and amortization	39,845	36,923	33,594
Amortization of deferred financing costs	874	1,007	1,004
Amortization of deferred gains from sale-leaseback transactions	(2,535)	(1,793)	(1,799)
Deferred income taxes	0	11,548	(6,284)
Loss on extinguishment of debt	12,635	0	0
Refundable income taxes	2,416	177	(2,379)
Accounts receivable	(2,127)	(1,094)	3,653
Accounts payable	2,054	2,194	(2,691)
Accrued interest	502	30	2
Accrued payroll, related taxes and benefits	10,261	(700)	2,780
Other	1,893	(726)	628
Net cash provided from operating activities	70,702	14,707	21,581
Cash flows used for investing activities:
New restaurant development	(574)	(1,696)	(3,166)
Restaurant remodeling	(41,582)	(38,197)	(37,450)
Other restaurant capital expenditures	(10,772)	(6,720)	(7,203)
Corporate and restaurant information systems	(3,920)	(5,397)	(2,667)
Total capital expenditures	(56,848)	(52,010)	(50,486)
Acquisition of restaurants, net of cash acquired	(52,750)	(52,200)	0
Proceeds from sale of other assets	534	54	0
Increase in restricted cash balance	0	20,000	0
Properties purchased for sale-leaseback	(3,513)	(3,412)	(3,144)
Proceeds from sale-leaseback transactions	9,148	19,565	3,144
Net cash used for investing activities	(103,429)	(68,003)	(50,486)
Cash flows provided from (used for) financing activities:
Proceeds from issuance of senior secured second lien notes	200,000	0	0
Redemption of 11.25% senior secured second lien notes	(159,771)	0	0
Financing costs associated with issuance of debt	(5,169)	(62)	(8)
Proceeds from public stock offering, net of expenses	0	67,327	0
Borrowings under senior credit facility	0	59,000	0
Repayments under senior credit facility	0	(59,000)	0
Principal payments on capital leases	(1,280)	(1,050)	(1,075)
Net cash provided from (used for) financing activities	33,780	66,215	(1,083)
Net increase (decrease) in cash	1,053	12,919	(29,988)
Cash, beginning of period	21,221	8,302
Cash, end of period	22,274	21,221	8,302
Supplemental disclosures:
Interest paid on long-term debt	17,088	17,659	17,731
Interest paid on lease financing obligations	104	103	101
Accruals for capital expenditures	3,779	4,683	524
Income taxes paid (refunded), net	2,416	41	1,733
Capital lease obligations incurred	615	1,459	116
Non-cash assets acquired	0	0	858
Non-cash reduction of capital lease assets and obligation	$ 0	$ 1,055	$ 0