Note 14 - Share-Based Compensation (Details) - Stock Option Activity (USD $) In Thousands, except Share data, unless otherwise specified	0 Months Ended	12 Months Ended
	Aug. 25, 2010	Aug. 28, 2013	Aug. 29, 2012	Aug. 31, 2011
Stock Option Activity [Abstract]
Shares Under Fixed Options Outstanding (in Shares)	1,296,887	882,768	1,177,769	1,356,551
Weighted-Average Exercise Price Outstanding	$ 7.53	$ 5.23	$ 6.30	$ 7.36
Weighted-Average Remaining Contractual Term Outstanding	4 years 146 days	4 years 255 days	3 years 36 days	3 years 328 days
Aggregate Intrinsic Value Outstanding (in Dollars)	$ 711	$ 2,042	$ 1,500	$ 367
Exercisable at August 28, 2013 (in Shares)		602,396
Exercisable at August 28, 2013		$ 5.35
Exercisable at August 28, 2013		4 years 36 days
Exercisable at August 28, 2013 (in Dollars)		1,401
Shares Under Fixed Options Granted (in Shares)		109,335	59,426	116,637
Weighted-Average Exercise Price Granted		$ 5.95	$ 4.42	$ 5.39
Weighted-Average Remaining Contractual Term Granted		0 years	0 years	0 years
Aggregate Intrinsic Value Granted (in Dollars)		0	0	0
Shares Under Fixed Options Exercised (in Shares)		(93,973)	0	(7,125)
Weighted-Average Exercise Price Exercised		$ 4.29	$ 0	$ 3.77
Weighted-Average Remaining Contractual Term Exercised		0 years	0 years	0 years
Aggregate Intrinsic Value Exercised (in Dollars)		$ 0	$ 0	$ 0
Shares Under Fixed Options Forfeited/Expired (in Shares)		(310,363)	(238,208)	(49,848)
Weighted-Average Exercise Price Forfeited/Expired		$ 9.85	$ 11.87	$ 7.60
Weighted-Average Remaining Contractual Term Forfeited/Expired		0 years	0 years	0 years
Aggregate Intrinsic Value Forfeited/Expired		$ 0	$ 0	$ 0