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Income Taxes (Tables)
6 Months Ended
May 31, 2021
Income Tax Disclosure [Abstract]  
Schedule of Income Tax Benefit (Provision) and Effective Tax Rate
The provision for income taxes and effective tax rate were as follows:
Three Months EndedSix Months Ended
May 31,May 31,
(Dollars in thousands)2021202020212020
Provision for income taxes$260,113 160,479 570,218 192,808 
Effective tax rate (1)23.8 %23.7 %23.7 %17.4 %
(1)For the three and six months ended May 31, 2021 and 2020, the effective tax rate included state income tax expense and non-deductible executive compensation, partially offset by new energy efficient home and solar tax credits. The six months ended May 31, 2020 also included benefits related to the years ended November 30, 2018 and 2019, due to Congress retroactively extending the new energy efficient home tax credit in December 2019.