Note 6 - Inventories - Activity in Reserves for Excess Quantities and Obsolete Inventory by Segment (Details) $ in Thousands	3 Months Ended
	Feb. 25, 2017 USD ($)
Balance	$ 1,350
Additions charged to expense	259
Write-offs	(370)
Balance	1,239
Operating Segments [Member] | Wholesale Segment [Member]
Balance	1,061
Additions charged to expense	139
Write-offs	(242)
Balance	958
Operating Segments [Member] | Retail Segment [Member]
Balance	289
Additions charged to expense	120
Write-offs	(128)
Balance	$ 281