Note 14 - Income Taxes - Income Tax Effects of Temporary Differences and Carryforwards (Details) - USD ($) $ in Thousands	Nov. 24, 2018	Nov. 25, 2017
Deferred income tax assets:
Trade accounts receivable	$ 192	$ 239
Inventories	1,755	2,606
Notes receivable	109	550
Post employment benefit obligations	3,619	5,555
State net operating loss carryforwards	218	583
Unrealized loss from affiliates	15	69
Net deferred rents	3,199	3,906
Other	1,290	1,878
Gross deferred income tax assets	10,397	15,386
Valuation allowance
Total deferred income tax assets	10,397	15,386
Deferred income tax liabilities:
Property and equipment	5,353	5,426
Intangible assets	1,060	1,185
Prepaid expenses and other	718	382
Total deferred income tax liabilities	7,131	6,993
Net deferred income tax assets	$ 3,266	$ 8,393