Note 14 - Income Tax Effects Of Temporary Differences And Carryforwards (Details) - USD ($)	Nov. 28, 2015	Nov. 29, 2014
Deferred income tax assets:
Trade accounts receivable	$ 506,000	$ 483,000
Inventories	2,420,000	2,384,000
Notes receivable	1,795,000	1,599,000
Retirement benefits	6,992,000	6,093,000
State net operating loss carryforwards	927,000	1,141,000
Unrealized loss from affiliates	356,000	595,000
Lease termination accruals	219,000	167,000
Net deferred rents	2,674,000	2,251,000
Other	1,946,000	1,699,000
Gross deferred income tax assets	17,835,000	16,412,000
Valuation allowance	0	(70,000)
Total deferred income tax assets	17,835,000	16,342,000
Deferred income tax liabilities:
Property and equipment	3,093,000	$ 282,000
Intangible assets	860,000
Unrealized gains from affiliates	8,000	$ 963,000
Prepaid expenses and other	403,000	128,000
Total deferred income tax liabilities	4,364,000	1,373,000
Net deferred income tax assets	$ 13,471,000	$ 14,969,000