XML 97 R82.htm IDEA: XBRL DOCUMENT v3.21.2
EARNINGS PER SHARE - Additional Information (Details) - $ / shares
12 Months Ended
Oct. 31, 2021
Oct. 31, 2020
Oct. 31, 2019
Class of Stock [Line Items]      
Antidilutive stock option (shares) 0 0 0
Class A common stock      
Class of Stock [Line Items]      
Dividend proportions (usd per share) $ 1    
Percentage of shares outstanding used in two class method calculation 40.00%    
Class B common stock      
Class of Stock [Line Items]      
Percentage of shares outstanding used in two class method calculation 60.00%    
Board of Director Authorized      
Class of Stock [Line Items]      
Number of shares authorized to be purchased (shares) 4,703,487 4,703,487  
Stock Repurchase Committee Authorized      
Class of Stock [Line Items]      
Repurchase of common stock (shares) 0 0