XML 38 R27.htm IDEA: XBRL DOCUMENT v3.8.0.1
ORGANIZATION, BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES, Federal Income Taxes (Details)
6 Months Ended
Apr. 30, 2018
Minimum [Member]  
Federal Income Taxes [Abstract]  
Tax years remaining open to examination by Internal Revenue Service 2014
Maximum [Member]  
Federal Income Taxes [Abstract]  
Tax years remaining open to examination by Internal Revenue Service 2017