CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (UNAUDITED) (Parenthetical)
3 Months Ended
Jan. 31, 2017
$ / shares
Common Stock [Member]  
Increase (Decrease) in Stockholders' Equity [Roll Forward]  
Common stock, dividends per share declared (in dollars per share) $ 0.2350
Class A Common Stock [Member]  
Increase (Decrease) in Stockholders' Equity [Roll Forward]  
Common stock, dividends per share declared (in dollars per share) $ 0.2650
7.125% Series F Preferred Stock [Member]  
Increase (Decrease) in Stockholders' Equity [Roll Forward]  
Preferred stock, dividend rate 7.125%
6.75% Series G Preferred Stock [Member]  
Increase (Decrease) in Stockholders' Equity [Roll Forward]  
Preferred stock, dividend rate 6.75%
Preferred Stock [Member] | 7.125% Series F Preferred Stock [Member]  
Increase (Decrease) in Stockholders' Equity [Roll Forward]  
Preferred stock, dividend rate 7.125%
Preferred Stock [Member] | 6.75% Series G Preferred Stock [Member]  
Increase (Decrease) in Stockholders' Equity [Roll Forward]  
Preferred stock, dividend rate 6.75%
Common Stock [Member] | Common Stock [Member]  
Increase (Decrease) in Stockholders' Equity [Roll Forward]  
Common stock, dividends per share declared (in dollars per share) $ 0.235
Common Stock [Member] | Class A Common Stock [Member]  
Increase (Decrease) in Stockholders' Equity [Roll Forward]  
Common stock, dividends per share declared (in dollars per share) $ 0.265