Note 6 - Inventories - Activity in Reserves for Excess Quantities and Obsolete Inventory by Segment (Details) $ in Thousands	9 Months Ended
	Aug. 26, 2017 USD ($)
Balance	$ 1,350
Additions charged to expense	1,178
Write-offs	(1,230)
Balance	1,298
Operating Segments [Member] | Wholesale Segment [Member]
Balance	1,061
Additions charged to expense	816
Write-offs	(854)
Balance	1,023
Operating Segments [Member] | Retail Segment [Member]
Balance	289
Additions charged to expense	362
Write-offs	(376)
Balance	$ 275