Consolidated Statements of Operations (USD $) Share data in Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Aug. 28, 2013		Aug. 29, 2012		Aug. 31, 2011
SALES:
Restaurant sales	$ 366,155,000		$ 324,536,000		$ 325,383,000
Culinary contract services	16,693,000		17,711,000		15,619,000
Franchise revenue	6,937,000		7,232,000		7,092,000
Vending revenue	565,000		618,000		654,000
TOTAL SALES	390,350,000		350,097,000		348,748,000
COSTS AND EXPENSES:
Cost of food	104,993,000.000		90,416,000.000		94,166,000.000
Payroll and related costs	126,306,000.000		112,028,000.000		115,119,000.000
Other operating expenses	66,382,000		54,233,000		56,830,000
Occupancy costs	21,537,000.000		17,985,000.000		18,090,000.000
Opening costs	783,000		395,000		346,000
Cost of culinary contract services	14,874,000		16,545,000		14,516,000
Depreciation and amortization	18,533,000		17,894,000		17,125,000
General and administrative expenses	32,121,000		30,678,000		29,530,000
Provision for asset impairments, net	615,000		451,000		84,000
Net loss (gain) on disposition of property and equipment	(1,723,000)		278,000		(1,574,000)
Total costs and expenses	384,421,000		340,903,000		344,232,000
INCOME FROM OPERATIONS	5,929,000		9,194,000		4,516,000
Interest expense	(920,000)		(942,000)		(2,443,000)
Other income, net	1,052,000		1,067,000		1,275,000
Income before income taxes and discontinued operations	6,061,000		9,319,000		3,348,000
Provision for income taxes, net	1,839,000		1,706,000		548,000
Income from continuing operations	4,222,000		7,613,000		2,800,000
Income (loss) from discontinued operations, net of income taxes	(937,000)		(759,000)		165,000
NET INCOME	$ 3,285,000		$ 6,854,000		$ 2,965,000
Income per share from continuing operations:
Basic (in Dollars per share)	$ 0.15		$ 0.27		$ 0.09
Assuming dilution (in Dollars per share)	$ 0.15	[1]	$ 0.27	[1]	$ 0.09	[1]
Income (loss) per share from discontinued operations:
Basic (in Dollars per share)	$ (0.04)		$ (0.03)		$ 0.01
Assuming dilution (in Dollars per share)	$ (0.04)		$ (0.03)		$ 0.01
Net income per share:
Basic (in Dollars per share)	$ 0.11		$ 0.24		$ 0.10
Assuming dilution (in Dollars per share)	$ 0.11	[1]	$ 0.24	[1]	$ 0.10	[1]
Weighted-average shares outstanding:
Basic (in Shares)	28,618		28,351		28,237
Assuming dilution (in Shares)	28,866		28,429		28,297

[1] Potentially dilutive shares not included in the computation of net income per share because to do so would have been antidilutive amounted to zero shares in fiscal year 2013, fiscal year 2012 and fiscal year 2011. Additionally, stock options with exercise prices exceeding market close prices that were excluded from the computation of net income per share amounted to 67,000 shares in fiscal year 2013, 373,020 shares in fiscal year 2012 and 1,043,000 shares in fiscal year 2011.