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Income Taxes (Details)
6 Months Ended 12 Months Ended
Oct. 31, 2021
Oct. 31, 2020
Apr. 30, 2022
Expected Tax Rate on Ordinary Income 23.10%    
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent 21.00%    
Effective Income Tax Rate Reconciliation, Percent 24.90% 16.40%  
Forecast [Member]      
Expected Tax Rate on Ordinary Income     23.10%