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Variable Interest Entities (Tables)
3 Months Ended
Jan. 31, 2018
Variable Interest Entities Disclosure Table [Abstract]  
Summary of the fair value of the Consolidated CLO Entity's assets that are subject to fair value accounting
 January 31, 2018    
   CLO Bank Loan Investments
 (in thousands) Total CLO Bank Loan Investments 90 Days or More Past Due
 Unpaid principal balance$ 75,660$ -
 Unpaid principal balance over fair value  894  -
 Fair value$ 76,554$ -