Note 13 - Operating Leases (Details)	12 Months Ended
	Aug. 27, 2014
Note 13 - Operating Leases (Details) [Line Items]
Lessee Leasing Arrangements, Operating Leases, Term of Contract	12 years
Number Properties On Operating Lease Agreements Gross	99
Number of Operating Lease Remaining To Renew Or Extend	75
Lease Term Expires Less Than 1 Year [Member]
Note 13 - Operating Leases (Details) [Line Items]
Number Properties On Operating Lease Agreements	11
Lease Term Expires Between 1 to 5 Years [Member]
Note 13 - Operating Leases (Details) [Line Items]
Number Properties On Operating Lease Agreements	72
Lease Term Expires Greater Than 5 Years [Member]
Note 13 - Operating Leases (Details) [Line Items]
Number Properties On Operating Lease Agreements	16
Minimum [Member]
Note 13 - Operating Leases (Details) [Line Items]
Lessee Leasing Arrangements, Operating Leases, Term of Contract	5 years
Lessee Leasing Arrangements, Operating Leases, Renewal Term	1 year
Non-Cancellable Lease Term In Years	36 months
Maximum [Member]
Note 13 - Operating Leases (Details) [Line Items]
Lessee Leasing Arrangements, Operating Leases, Term of Contract	30 years
Lessee Leasing Arrangements, Operating Leases, Renewal Term	25 years
Non-Cancellable Lease Term In Years	72 months