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Income Taxes (Tables)
3 Months Ended
Feb. 29, 2020
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 Ended
 
February 29,
 
February 28,
(Dollars in thousands)
2020
 
2019
Provision for income taxes

$32,329

 
79,700

Effective tax rate (1)
7.5
%
 
24.9
%
(1)
For both the three months ended February 29, 2020 and February 28, 2019, the effective tax rate included state income tax expense and non-deductible executive compensation, partially offset by solar tax credits. For the three months ended February 29, 2020, the effective tax rate also included a $69.2 million benefit due to Congress extending the new energy efficient home credit in December 2019.