Note 7 - Property and Equipment - Depreciation Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Nov. 30, 2019	Nov. 24, 2018	Nov. 25, 2017
Depreciation expense	$ 14,250	$ 13,737	$ 13,587
Cost of Sales [Member]
Depreciation expense	1,402	1,264	989
Selling, General and Administrative Expenses [Member]
Depreciation expense	12,848	12,473	12,598
Selling, General and Administrative Expenses [Member] | Wholesale Segment [Member]
Depreciation expense	1,672	1,666	1,531
Selling, General and Administrative Expenses [Member] | Retail Segment [Member]
Depreciation expense	7,479	7,060	7,080
Selling, General and Administrative Expenses [Member] | Logistical Services [Member]
Depreciation expense	$ 3,697	$ 3,747	$ 3,987