Note 9 - Commitments and Contingencies (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Feb. 28, 2015	May. 30, 2015	Nov. 29, 2014
Lease Obligations of Licensee Operators [Member]
Note 9 - Commitments and Contingencies (Details) [Line Items]
Loss Contingency, Estimate of Possible Loss (in Dollars)	$ 2,856		$ 3,164
Minimum [Member]
Note 9 - Commitments and Contingencies (Details) [Line Items]
Operating Lease Lease Term		1 year
Renewal Term on Operating Lease		5 years
Lease Guarantees Term	1 year
Maximum [Member]
Note 9 - Commitments and Contingencies (Details) [Line Items]
Operating Lease Lease Term		15 years
Renewal Term on Operating Lease		15 years
Lease Guarantees Term	10 years
Transportation Equipment [Member] | Minimum [Member]
Note 9 - Commitments and Contingencies (Details) [Line Items]
Lessee Leasing Arrangements, Operating Leases, Term of Contract		2 years
Transportation Equipment [Member] | Maximum [Member]
Note 9 - Commitments and Contingencies (Details) [Line Items]
Lessee Leasing Arrangements, Operating Leases, Term of Contract		7 years