Note 7 - Property and Equipment - Depreciation Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Nov. 28, 2020	Nov. 30, 2019	Nov. 24, 2018
Depreciation expense	$ 13,100	$ 14,250	$ 13,737
Cost of Sales [Member]
Depreciation expense	1,552	1,402	1,264
Selling, General and Administrative Expenses [Member]
Depreciation expense	11,548	12,848	12,473
Selling, General and Administrative Expenses [Member] | Wholesale Segment [Member]
Depreciation expense	1,516	1,672	1,666
Selling, General and Administrative Expenses [Member] | Retail Segment [Member]
Depreciation expense	6,578	7,479	7,060
Selling, General and Administrative Expenses [Member] | Logistical Services [Member]
Depreciation expense	$ 3,454	$ 3,697	$ 3,747