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Income Taxes (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Nov. 30, 2021
Nov. 30, 2020
May 31, 2020
Nov. 30, 2021
Nov. 30, 2020
Feb. 28, 2018
Income Tax Contingency [Line Items]            
One time tax charge required due to Tax Act           $ 17,900
Income tax expense $ 11,203 $ 13,721   $ 28,873 $ 16,061 $ 9,400
Income tax expense (benefit) as a percent of income before income taxes 12.90% 14.00%   13.60% 6.50%  
COVID-19            
Income Tax Contingency [Line Items]            
One-time income tax benefit, CARES Act     $ 9,400