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Amount of assets pledged to secure a debt instrument.

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Note 8 - Notes Payable and Bank Credit Facility (Details Textual) $ in Thousands		3 Months Ended
	Feb. 02, 2015 USD ($)	Feb. 25, 2017 USD ($)	Feb. 27, 2016 USD ($)	Nov. 26, 2016 USD ($)
Long-term Debt, Current Maturities		$ 3,320		$ 3,290
Long-term Debt		4,053		7,111
Bank One [Member]
Line of Credit Facility, Maximum Borrowing Capacity		15,000
Letters of Credit Outstanding, Amount		1,972
Line of Credit Facility, Remaining Borrowing Capacity		13,028
Bank Two [Member]
Letters of Credit Outstanding, Amount		511
Real Estate Notes Payable Operated in Retail Segment [Member]
Long-term Debt		$ 1,124		1,219
Debt Instrument, Interest Rate, Stated Percentage		6.73%
Secured Debt, Current		$ 391		385
Real Estate Notes Payable Operated in Retail Segment [Member] \| Financed Through Commercial Mortgages [Member]
Debt Instrument, Collateral Amount		5,825		5,858
Zenith Freight Lines [Member] \| Unsecured Debt [Member]
Debt Instrument, Face Amount	$ 9,000
Debt Instrument, Number of Annual Payments	3
Debt Instrument, Periodic Payment	$ 3,000
Amortization of Debt Discount (Premium)		37	$ 66
Long-term Debt, Current Maturities		$ 2,929		$ 2,904