Note 6 - Leases - Supplemental Balance Sheet Information (Details) - USD ($) $ in Thousands	Dec. 03, 2022	Nov. 27, 2021
Operating lease right-of-use assets	$ 32,440	$ 32,744
Current operating lease liabilities	9,794
Noncurrent operating lease liabilities	23,421
Total operating lease liabilities	33,215	32,982
Current obligations of finance leases	1,541
Finance leases, net of current obligations	7,507
Total finance lease liabilities	9,048	8,657
Other Assets [Member]
Operating lease right-of-use assets	32,440	32,744
Other Accrued Expenses [Member]
Current operating lease liabilities	9,794	8,921
Current obligations of finance leases	1,541	1,109
Other Liabilities [Member]
Noncurrent operating lease liabilities	23,421	24,061
Finance leases, net of current obligations	7,507	7,548
Property, Plant and Equipment, Net [Member]
Equipment right-of-use assets	$ 11,150	$ 9,455