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Note 3 - Business Combinations (Details Textual)
$ / shares in Units, $ in Thousands
2 Months Ended 3 Months Ended 12 Months Ended
Feb. 02, 2015
USD ($)
Feb. 01, 2015
USD ($)
Feb. 25, 2017
USD ($)
Nov. 25, 2017
USD ($)
Nov. 26, 2016
USD ($)
Nov. 28, 2015
USD ($)
$ / shares
Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain       $ 7,212
Bassett Home Furnishings, Columbus, Ohio [Member]            
Business Combination, Consideration Transferred     $ 655      
Zenith Freight Lines [Member]            
Business Combination, Consideration Transferred $ 19,111          
Equity Method Investment, Ownership Percentage   49.00%        
Business Acquisition, Percentage of Voting Interests Acquired 51.00%          
Debt Instrument, Periodic Payment, Number of Installments 3          
Equity Method Investments, Carrying Value Prior to Step Acquisition Remeasurement   $ 9,480        
Business Combination, Step Acquisition, Equity Interest in Acquiree, Fair Value $ 16,692         16,692
Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain           $ 7,212
Diluted Earnings Per Share Adjustment | $ / shares           $ 0.41
Business Acquisition, Goodwill, Expected Tax Deductible Amount           $ 6,982
Business Combination, Acquisition Related Costs           $ 209
Zenith Freight Lines [Member] | Long-term Debt [Member]            
Debt Instrument, Periodic Payment $ 3,000