Note 7 - Property and Equipment - Depreciation Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Nov. 25, 2017	Nov. 26, 2016	Nov. 28, 2015
Depreciation expense	$ 13,587	$ 12,396	$ 10,226
Cost of Sales [Member]
Depreciation expense	989	748	599
Selling, General and Administrative Expenses [Member]
Depreciation expense	12,598	11,648	9,627
Selling, General and Administrative Expenses [Member] | Wholesale Segment [Member]
Depreciation expense	1,531	1,154	1,291
Selling, General and Administrative Expenses [Member] | Retail Segment [Member]
Depreciation expense	6,736	6,612	5,970
Selling, General and Administrative Expenses [Member] | Logistical Services [Member]
Depreciation expense	$ 4,331	$ 3,882	$ 2,366