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ORGANIZATION, BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES, Federal Income Taxes (Details)
3 Months Ended
Jan. 31, 2020
Minimum [Member]  
Federal Income Taxes [Abstract]  
Tax years remaining open to examination by Internal Revenue Service 2016
Maximum [Member]  
Federal Income Taxes [Abstract]  
Tax years remaining open to examination by Internal Revenue Service 2019