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Note 14 - Capital Stock (Details)
12 Months Ended
Jul. 12, 2005
$ / shares
shares
Oct. 31, 2015
USD ($)
$ / shares
shares
Oct. 31, 2014
USD ($)
$ / shares
shares
Oct. 31, 2013
USD ($)
Mar. 12, 2013
$ / shares
shares
Mar. 11, 2013
$ / shares
shares
Dec. 05, 2008
Aug. 15, 2008
Aug. 04, 2008
Jul. 03, 2001
shares
Note 14 - Capital Stock (Details) [Line Items]                    
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 (in Shares)   5,600 5,600              
Defined Benefit Plan, Contributions by Employer (in Dollars) | $   $ 6,200,000 $ 4,700,000 $ 600,000            
Common Class A [Member]                    
Note 14 - Capital Stock (Details) [Line Items]                    
Common Stock Voting Rights Votes Per Share Number   1                
Common Stock, Shares Authorized (in Shares)   400,000,000 400,000,000   400,000,000 200,000,000        
Common Stock, Par or Stated Value Per Share (in Dollars per share) | $ / shares   $ 0.01 $ 0.01   $ 0.01 $ 0.01        
Shareholder Ownership Percentage               4.90%    
Number of Rights               1    
Shareholder, Percent of Stock Acquired               4.90%    
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)                   4,000,000
Stock Repurchased During Period, Shares (in Shares)   0                
Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased (in Shares)   500,000                
Common Class B [Member]                    
Note 14 - Capital Stock (Details) [Line Items]                    
Common Stock Voting Rights Votes Per Share Number   10                
Common Stock, Shares Authorized (in Shares)   60,000,000 60,000,000   60,000,000 30,000,000        
Common Stock, Par or Stated Value Per Share (in Dollars per share) | $ / shares   $ 0.01 $ 0.01   $ 0.01 $ 0.01        
Preferred Class A [Member]                    
Note 14 - Capital Stock (Details) [Line Items]                    
Preferred Stock, Shares Issued (in Shares) 5,600                  
Preferred Stock, Dividend Rate, Percentage 7.625%                  
Preferred Stock, Liquidation Preference Per Share (in Dollars per share) | $ / shares $ 25,000                  
Payments of Dividends (in Dollars) | $   $ 0 $ 0 $ 0            
Minimum [Member]                    
Note 14 - Capital Stock (Details) [Line Items]                    
Shareholder Ownership Percentage                 5.00%