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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY AND TEMPORARY EQUITY (Parenthetical) - $ / shares
3 Months Ended
Jan. 31, 2020
Jan. 31, 2019
Dividends on common stock (in dollars per share) $ 0.075 $ 0.0725
Series B Preferred Stock    
Dividends on preferred stock (in dollars per share) 2.19 2.19
Series B2 Preferred Stock    
Dividends on preferred stock (in dollars per share) $ 10 $ 10