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Note 14 - Capital Stock (Details Textual)
$ / shares in Units, $ in Thousands
 12 Months Ended
Jul. 12, 2005
$ / shares
shares
Oct. 31, 2023
USD ($)
$ / shares
shares
Oct. 31, 2022
USD ($)
$ / shares
shares
Oct. 31, 2021
USD ($)
shares
Sep. 01, 2022
USD ($)
Jan. 11, 2018
Aug. 15, 2008
Jul. 03, 2001
shares
Common Stock Dividends Percent of Increase from Class A to Class B   110.00%            
Conversion of Stock From Class B to Class A Conversion Ratio   1            
Shareholder Ownership Percentage of Increase           50.00%    
Preferred Stock, Shares Issued, Total (in shares) | shares   5,600 5,600          
Preferred Stock, Depositary Shares, Number of Shares of Preferred Stock in Each Depositary Share (in shares) | shares 0.001              
Payments of Dividends | $   $ 10,675 $ 10,675 $ 0        
Defined Contribution Plan, Employer Discretionary Contribution Amount | $   $ 8,200 $ 8,300 $ 7,000        
Treasury Stock, Shares, Acquired (in shares) | shares   118,478 312,471 0        
Treasury Stock, Value, Acquired, Cost Method | $   $ 4,800 $ 12,222          
Shares Acquired, Average Cost Per Share (in dollars per share) | $ / shares   $ 40.51 $ 39.12          
Minimum [Member]                
Shareholder Ownership Percentage           5.00%    
Common Class A [Member]                
Common Stock Voting Rights Votes per Share Number   1            
Shareholder Ownership Percentage             4.90%  
Number of Rights             1  
Shareholders Pre Existing Ownership Percentage           5.00%    
Shareholders Current Ownership Percentage           5.00%    
Shareholders Ownership Percentage on Transfers           5.00%    
Shareholders Ownership Percentage Threshold           5.00%    
Stock Repurchase Program, Number of Shares Authorized to be Repurchased (in shares) | shares               200,000
Stock Repurchase Program, Authorized Amount | $         $ 50,000      
Stock Repurchase Program, Remaining Authorized Repurchase Amount | $   $ 33,000            
Common Class B [Member]                
Common Stock Voting Rights Votes per Share Number   10            
Preferred Class A [Member]                
Preferred Stock, Shares Issued, Total (in shares) | shares 5,600              
Preferred Stock, Dividend Rate, Percentage 7.625%              
Preferred Stock, Liquidation Preference Per Share (in dollars per share) | $ / shares $ 25,000