Note 14 - Income Taxes - Income Tax Effects of Temporary Differences and Carryforwards (Details) - USD ($) $ in Thousands	Nov. 25, 2017	Nov. 26, 2016	Nov. 29, 2014
Deferred income tax assets:
Trade accounts receivable	$ 239	$ 307
Inventories	2,606	2,407
Notes receivable	550	562
Post employment benefit obligations	5,555	5,338
State net operating loss carryforwards	583	731
Unrealized loss from affiliates	69	217
Net deferred rents	3,906	3,112
Other	1,878	2,005
Gross deferred income tax assets	15,386	14,679
Valuation allowance	0	0	$ (70)
Total deferred income tax assets	15,386	14,679
Deferred income tax liabilities:
Property and equipment	5,426	5,179
Intangible assets	1,185	1,012
Prepaid expenses and other	382	417
Total deferred income tax liabilities	6,993	6,608
Net deferred income tax assets	$ 8,393	$ 8,071