Note 2 - Interim Financial Presentation and Other Information (Details Textual) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Aug. 31, 2024	Aug. 26, 2023	Aug. 31, 2024	Aug. 26, 2023
Effective Income Tax Rate Reconciliation, Percent	22.00%	18.80%	17.30%	43.30%
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%	21.00%	21.00%	21.00%
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability			$ 3,476	$ 6,026