Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 27, 2016	Sep. 29, 2015
Operating activities
Net loss	$ (26,301)	$ (9,511)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	20,983	20,959
Deferred income taxes	1,124	(7,826)
Restaurant impairments, closure costs and asset disposals	12,903	22,740
Amortization of debt issuance costs	91	73
Stock-based compensation	2,021	1,036
Gain on insurance proceeds received for property damage	(416)	0
Changes in operating assets and liabilities:
Accounts receivable	194	686
Inventories	(717)	(945)
Prepaid expenses and other assets	(1,315)	(1,585)
Accounts payable	(3,182)	512
Deferred rent	4,480	5,027
Income taxes	121	1,538
Accrued expenses and other liabilities	6,078	5,182
Net cash provided by operating activities	16,064	37,886
Investing activities
Purchases of property and equipment	(33,784)	(35,616)
Acquisition of franchise restaurant	0	628
Insurance proceeds received for property damage	500	0
Net cash used in investing activities	(33,284)	(36,244)
Financing activities
Proceeds from issuance of long-term debt	314,181	328,008
Payments on long-term debt	(297,916)	(295,104)
Proceeds from exercise of stock options, warrants and employee stock purchase plan	1,065	(2,029)
Acquisition of treasury stock	0	32,152
Other financing activities	(98)	(163)
Net cash provided by (used in) financing activities	17,232	(1,440)
Effect of exchange rate changes on cash	42	(92)
Net increase in cash and cash equivalents	54	110
Cash and cash equivalents
Beginning of period	1,912	1,906
End of period	$ 1,966	$ 2,016