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Note 11 - Leases (Details Textual) - USD ($)
$ in Thousands
6 Months Ended
May 30, 2020
Dec. 01, 2019
Nov. 30, 2019
Retained Earnings (Accumulated Deficit), Ending Balance $ 103,391   $ 129,130
Lease Obligations of Licensee Operators [Member]      
Loss Contingency, Estimate of Possible Loss 1,793   $ 1,776
Other Current Liabilities and Accrued Expenses [Member] | Effect of Covid-19 Pandemic [Member]      
Past Due Rents Subject to Negotiation with Lessors $ 4,470    
Accounting Standards Update 2016-02 [Member]      
Lease, Right-of-Use Asset, Net   $ 146,585  
Lease, Liability, Net   151,672  
Deferred Income Tax Liabilities, Net, Total   1,302  
Retained Earnings (Accumulated Deficit), Ending Balance   $ 3,785  
Minimum [Member]      
Lease Guarantees Term (Year) 1 year    
Minimum [Member] | Real Estate Lease [Member]      
Lessee, Operating Lease, Term of Contract (Year) 1 year    
Lessee, Operating Lease, Renewal Term (Year) 5 years    
Maximum [Member]      
Lease Guarantees Term (Year) 10 years    
Maximum [Member] | Real Estate Lease [Member]      
Lessee, Operating Lease, Term of Contract (Year) 15 years    
Lessee, Operating Lease, Renewal Term (Year) 15 years