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Note 8 - Notes Payable and Bank Credit Facility (Details Textual)
$ in Thousands
3 Months Ended 9 Months Ended
Feb. 02, 2015
USD ($)
Aug. 29, 2015
USD ($)
Aug. 29, 2015
USD ($)
Nov. 29, 2014
USD ($)
Minimum [Member] | Transportation Equipment Notes Payable [Member]        
Debt Instrument, Term     1 year 330 days  
Debt Instrument, Interest Rate, Stated Percentage   3.75% 3.75%  
Maximum [Member] | Transportation Equipment Notes Payable [Member]        
Debt Instrument, Term     3 years 210 days  
Debt Instrument, Interest Rate, Stated Percentage   2002.00% 2002.00%  
Transportation Equipment Notes Payable [Member] | Tractors, Trailers and Local Delivery Trucks [Member]        
Debt Instrument, Collateral Amount   $ 4,582 $ 4,582  
Transportation Equipment Notes Payable [Member]        
Secured Debt   2,952 2,952  
Secured Debt, Current   1,115 1,115  
Long-term Debt   2,952 2,952  
Unsecured Debt [Member] | Zenith Freight Lines [Member]        
Debt Instrument, Face Amount $ 9,000      
Debt Instrument, Number of Annual Payments 3      
Debt Instrument, Periodic Payment $ 3,000      
Debt Instrument, Interest Rate, Stated Percentage 0.62%      
Amortization of Debt Discount (Premium)   76 177  
Debt Instrument, Carrying Amount, Current   2,767 2,767  
Real Estate Notes Payable Operated in Retail Segment [Member] | Financed Through Commercial Mortgages [Member]        
Debt Instrument, Collateral Amount   $ 6,026 $ 6,026 $ 6,127
Real Estate Notes Payable Operated in Retail Segment [Member]        
Debt Instrument, Interest Rate, Stated Percentage   6.73% 6.73%  
Secured Debt, Current   $ 332 $ 332 316
Long-term Debt   1,983 1,983 2,218
Real Estate Notes Payable Operated in Logistical Services Segment [Member] | Land and Building [Member]        
Debt Instrument, Collateral Amount   $ 6,203 $ 6,203  
Real Estate Notes Payable Operated in Logistical Services Segment [Member]        
Debt Instrument, Interest Rate, Stated Percentage   3.75% 3.75%  
Secured Debt   $ 1,289 $ 1,289  
Secured Debt, Current   262 262  
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid   1,004 1,004  
Debt Instrument, Carrying Amount, Current   4,709 4,709 $ 316
Long-term Debt   14,836 14,836  
Line of Credit Facility, Maximum Borrowing Capacity   15,000 15,000  
Letters of Credit Outstanding, Amount   $ 13,175 $ 13,175