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Income Taxes (Tables)
9 Months Ended
Aug. 31, 2023
Income Tax Disclosure [Abstract]  
Schedule of Income Tax Expense and Effective Tax Rates Our income tax expense and effective tax rates were as follows (dollars in thousands):
 Three Months Ended August 31,Nine Months Ended August 31,
 2023202220232022
Income tax expense $44,600 $70,900 $131,800 $186,900 
Effective tax rate
22.9 %21.7 %23.1 %23.7 %