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Note 16 - Common Stock (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended 9 Months Ended
Jul. 31, 2014
Aug. 04, 2008
Jul. 31, 2014
Common Class A [Member]
Jul. 31, 2014
Common Class A [Member]
Dec. 05, 2008
Common Class A [Member]
Aug. 15, 2008
Common Class A [Member]
Jul. 03, 2001
Common Class A [Member]
Jul. 31, 2014
Common Class B [Member]
Aug. 04, 2008
Minimum [Member]
Note 16 - Common Stock (Details) [Line Items]                  
Common Stock Voting Rights Votes Per Share Number       1       10  
Common Stock Dividends, Percent of Increase from Class A to Class B 110.00%                
Shareholder Ownership Percentage           4.90%     5.00%
Shareholder Ownership, Percentage of Increase   50.00%              
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    
Stock Repurchased During Period, Shares (in Shares)     0 0          
Stock Repurchase Program, Remaining Authorized Repurchase Amount (in Dollars)     $ 0.5 $ 0.5