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Note 13 - Income Taxes - Reconciliation of Statutory Federal Income Tax Rate and Effective Income Tax Rate (Details)
12 Months Ended
Nov. 26, 2022
Nov. 27, 2021
Nov. 28, 2020
Statutory federal income tax rate 21.00% 21.00% 21.00%
Adjustments to state net operating CARES Act benefit 0.00% 0.00% 19.20%
State income tax, net of federal benefit 4.40% 4.20% 1.70%
Impairment of non-deductible goodwill 0.00% 0.00% (2.50%)
Excess tax from stock-based compensation 0.00% 0.40% (0.60%)
Other 0.10% (0.10%) (2.50%)
Effective income tax rate 25.50% 25.50% 36.30%