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ORGANIZATION, BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES, Comprehensive Income (Details) - USD ($)
Apr. 30, 2018
Oct. 31, 2017
Comprehensive Income [Abstract]    
Net unrealized losses on an marketable equity securities included in accumulated other comprehensive income $ 22,000  
Net unrealized gains on an interest rate swap agreement included in accumulated other comprehensive income $ 6,300,000 $ 2,700,000