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Income Taxes (Tables)
3 Months Ended
Feb. 28, 2022
Income Tax Disclosure [Abstract]  
Income tax benefit computed at the statutory U.S federal income tax rate and income tax benefit (expense) provided in the consolidated statements of operations Our income tax expense and effective tax rates were as follows (dollars in thousands):
 Three Months Ended February 28,
 20222021
Income tax expense $43,800 $26,500 
Effective tax rate
24.6 %21.4 %