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Note 14 - Other Gains and Losses (Details Textual) - USD ($)
3 Months Ended 12 Months Ended
Aug. 27, 2022
May 28, 2022
Nov. 26, 2022
Nov. 27, 2021
Nov. 28, 2020
Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property     $ 4,595,000 $ 0 $ 0
Gain (Loss) on Disposition of Property Plant Equipment, Total     4,595,000 367,000 81,000
Legal Fees     0 $ 0 1,050,000
Gain (Loss) from Company Owned Life Insurance     1,441,000   914,000
Underperforming Retail Stores [Member]          
Operating Lease, Impairment Loss         6,239,000
Underperforming Retail Stores [Member]          
Asset Impairment Charges, Total         11,114,000
Closed Custom Upholstery Manufacturing Facility in Grand Prairie, Texas [Member]          
Asset Impairment Charges, Total         1,070,000
Land and Building occupied by Spring, Texas Retail Store [Member]          
Gain (Loss) on Disposition of Property Plant Equipment, Total         $ 1,313,000
Houston, Texas [Member]          
Sale of Real Estate, Expected Taxable Gain (Loss) $ 4,300,000        
Tampa Florida [Member]          
Payments to Acquire Real Estate, Total   $ 7,668,000      
Discontinued Operations, Disposed of by Sale [Member] | Houston, Texas [Member]          
Disposal Group, Including Discontinued Operation, Consideration $ 8,217        
Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property     $ 4,595,000