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STOCKHOLDERS' EQUITY, Authorized Stock and Restricted Stock Plan (Details) - USD ($)
3 Months Ended 9 Months Ended
Jul. 31, 2019
Jul. 31, 2018
Jul. 31, 2019
Jul. 31, 2018
Oct. 31, 2018
Authorized Stock [Abstract]          
Shares authorized (in shares) 200,000,000   200,000,000    
Excess stock, shares authorized (in shares) 20,000,000   20,000,000   20,000,000
Preferred Stock, shares authorized (in shares) 50,000,000   50,000,000    
Common Stock [Member]          
Authorized Stock [Abstract]          
Common stock, shares authorized (in shares) 30,000,000   30,000,000   30,000,000
Class A Common Stock [Member]          
Authorized Stock [Abstract]          
Common stock, shares authorized (in shares) 100,000,000   100,000,000   100,000,000
Restricted Stock [Member]          
Non-vested shares, weighted-average grant-date fair value [Roll forward]          
Unamortized restricted stock compensation $ 14,500,000   $ 14,500,000    
Weighted average period for recognizing unamortized expense     4 years 8 months 12 days    
Total amounts charged to compensation expense $ 1,077,000 $ 1,155,000 $ 3,191,000 $ 3,249,000  
Restricted Stock [Member] | Common Stock [Member]          
Restricted Stock Plan [Abstract]          
Number of shares awarded (in shares)     137,200    
Non-vest shares, number of shares [Roll forward]          
Non-vested, beginning of period (in shares)     1,255,900    
Granted (in shares)     137,200    
Vested (in shares)     (247,000)    
Forfeited (in shares)     0    
Non-vested, end of period (in shares) 1,146,100   1,146,100    
Non-vested shares, weighted-average grant-date fair value [Roll forward]          
Non-vested, beginning of period (in dollars per share)     $ 17.22    
Granted (in dollars per share)     15.33    
Vested (in dollars per share)     14.78    
Forfeited (in dollars per share)     0    
Non-vested, end of period (in dollars per share) $ 17.52   $ 17.52    
Restricted Stock [Member] | Class A Common Stock [Member]          
Restricted Stock Plan [Abstract]          
Number of shares awarded (in shares)     111,450    
Non-vest shares, number of shares [Roll forward]          
Non-vested, beginning of period (in shares)     452,925    
Granted (in shares)     111,450    
Vested (in shares)     (77,000)    
Forfeited (in shares)     (24,150)    
Non-vested, end of period (in shares) 463,225   463,225    
Non-vested shares, weighted-average grant-date fair value [Roll forward]          
Non-vested, beginning of period (in dollars per share)     $ 21.13    
Granted (in dollars per share)     18.84    
Vested (in dollars per share)     18.15    
Forfeited (in dollars per share)     21.58    
Non-vested, end of period (in dollars per share) $ 21.07   $ 21.07    
Restricted Stock Plan [Member] | Class A Common Shares or Common Shares [Member]          
Restricted Stock Plan [Abstract]          
Number of shares authorized (in shares) 5,500,000   5,500,000    
Restricted Stock Plan [Member] | Restricted Stock [Member] | Common Stock [Member]          
Restricted Stock Plan [Abstract]          
Number of shares authorized (in shares) 350,000   350,000    
Restricted Stock Plan [Member] | Restricted Stock [Member] | Class A Common Stock [Member]          
Restricted Stock Plan [Abstract]          
Number of shares authorized (in shares) 350,000   350,000    
Restricted Stock Plan [Member] | Restricted Stock [Member] | Class A Common Shares or Common Shares [Member]          
Restricted Stock Plan [Abstract]          
Number of shares authorized (in shares) 4,800,000   4,800,000    
Increase in shares available for grant (in shares)     1,000,000    
Grant date fair value     $ 4,200,000