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Income Taxes
 9 Months Ended
Aug. 31, 2023
Income Tax Disclosure [Abstract]  
Income Taxes Income TaxesThe provision for income taxes and effective tax rate were as follows:
Three Months EndedNine Months Ended
August 31,August 31,
(Dollars in thousands)2023202220232022
Provision for income taxes$358,209 351,580 824,233 951,276 
Effective tax rate (1)24.4%19.3%24.2 %22.4 %
(1)In the three and nine months ended August 31, 2023, the Company's overall effective income tax rate was higher than in the three and nine months ended August 31, 2022, primarily due to the resolution of an uncertain state tax position and the retroactive reinstatement of the new energy efficient home credit, both during the third quarter of 2022. For both the three and nine months ended August 31, 2023 and 2022, the effective tax rate included state income tax expense and non-deductible executive compensation, partially offset by energy efficient home and solar tax credits.