Note 7 - Goodwill and Other Intangible Assets - Changes in Carrying Amount of Goodwill by Reportable Segment (Details) $ in Thousands	9 Months Ended
	Aug. 25, 2018 USD ($)
Balance, beginning	$ 11,900
Goodwill arising from acquisition of Lane Venture (Note 3)	4,109
Balance, ending	16,009
Wholesale Segment [Member]
Balance, beginning	5,045
Goodwill arising from acquisition of Lane Venture (Note 3)	4,109
Balance, ending	9,154
Retail Segment [Member]
Balance, beginning	1,926
Goodwill arising from acquisition of Lane Venture (Note 3)
Balance, ending	1,926
Logistical Services [Member]
Balance, beginning	4,929
Goodwill arising from acquisition of Lane Venture (Note 3)
Balance, ending	$ 4,929