Note 15 - Related Parties (Details) (USD $)	12 Months Ended
	Aug. 28, 2013	Aug. 29, 2012	Aug. 31, 2011	Aug. 28, 2013 New Lease Agreement [Member]	Aug. 28, 2013 New Lease Agreement [Member] 2014 [Member]	Aug. 25, 2011 Maximum [Member] Revolving Credit Facility [Member]	May 31, 2011 Maximum [Member] Revolving Credit Facility [Member]	Feb. 28, 2011 Maximum [Member] Revolving Credit Facility [Member]	Jul. 26, 2010 Maximum [Member] Revolving Credit Facility [Member]
Note 15 - Related Parties (Details) [Line Items]
Number of Related Party Entities	2
Total Capital Expenditures	$ 0	$ 139,000	$ 27,000
Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Ownership Interest	50.00%
Lease Annual Rent Payments	426,000	332,000	326,000
Lease Annual Rent Payments Per Square Foot (in Dollars per Item)	14.64			20.00	22.00
Lessee Leasing Arrangements, Operating Leases, Term of Contract	12 years
Option To Extend Lease Years	2
Optional Lease Term	5 years
Percent of Total Rents from Continuing Operations	2.70%	2.60%	2.60%
Amount Of Loans Guaranteed						$ 0	$ 6,000,000	$ 9,500,000	$ 13,000,000