Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 25, 2011	Dec. 26, 2010	Dec. 27, 2009
Cash flows from operating activities:
Net income	$ 19,549	$ 15,957	$ 2,419
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	14,859	15,360	16,499
Deferred income taxes	(2,084)	832	(3,298)
Non-cash interest expense	728	774	1,127
Loss on the disposal of property and equipment, net	436	21	1,126
Loss on the disposal of assets held for sale			837
Loss on impairment	3,042	805	8,634
Amortization of below market lease	226	198	198
Restructuring expense (benefit)	(502)	(1,683)	40
Stock-based compensation expense	2,531	2,181	2,163
Changes in operating assets and liabilities:
Accounts receivables	(738)	(1,898)	3,288
Inventories	163	(153)	1,262
Prepaid expenses and other	(134)	32	2,080
Other assets	163	156	51
Accounts payable and accrued expenses	1,002	5,334	(4,658)
Deferred revenue	1,844	403	(1,586)
Deferred rent	753	1,641	(291)
Other liabilities	(2,501)	294	(1,455)
Net cash provided by operating activities	39,337	40,254	28,436
Cash flows from investing activities:
Acquisition of property and equipment	(8,975)	(6,128)	(4,270)
Proceeds on disposal of property and equipment, net			1,019
Proceeds on disposal of assets held for sale			9,663
Net cash provided by (used in) investing activities	(8,975)	(6,128)	6,412
Cash flows from financing activities:
Net principal repayments on long-term debt	(29,000)	(74,500)	(34,750)
Proceeds from issuance of common stock		25,368
Proceeds from the issuance of Series A 10% redeemable convertible preferred stock		25,000
Income tax benefits credited to equity upon exercise of stock options	2	74	24
Proceeds from exercise of stock options and warrants	43	60	16
Dividend payments	(2,500)	(1,582)
Equity offering costs		(3,820)
Deferred financing costs		(1,389)	(2,333)
Net cash provided by (used in) financing activities	(31,455)	(30,789)	(37,043)
Net (decrease) increase in cash and cash equivalents	(1,093)	3,337	(2,195)
Cash and cash equivalents at beginning of period	5,018	1,681	3,876
Cash and cash equivalents at end of period	3,925	5,018	1,681
Supplemental disclosures of cash flow information:
Interest, net of capitalized interest	2,192	4,398	7,978
Income taxes	3,003	2,138	1,511
Noncash investing and financing activities:
Excess accrual-based acquistion of property and equipment	69	434	1,668
Preferred stock dividends declared	589	596
Stock-based compensation APIC pool adjustments		$ 508	$ 119