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Income Taxes (Details Textual) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Jan. 31, 2022
Jan. 31, 2021
Jan. 31, 2022
Jan. 31, 2021
Income Tax Disclosure [Abstract]        
Effective Income Tax Rate Reconciliation, Percent 36.40% 27.70% 26.40% 25.50%
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent 21.00% 21.00% 21.00% 21.00%
Income Taxes (Textual) [Abstract]        
Time Period Over Which it is Reasonably Possible That Company Could Increase or Decrease its Unrecognized Tax Benefits     12 months  
Amount unrecognized tax benefit could decrease in the next 12 months $ 3.2   $ 3.2