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Fair Value Measurements (Details Textual) (USD $)
In Millions, except Per Share data, unless otherwise specified
12 Months Ended
Oct. 31, 2012
Oct. 31, 2011
Oct. 31, 2010
Fair Value Assets and Liabilities (Textual) [Abstract]      
Percentage of outstanding shares of Limoneira's shares owned 35.00%    
Fair Value Assets and Liabilities (Additional Textual) [Abstract]      
Net increase to contingent considerations $ 0.4 $ 0.5  
Limoneira [Member]
     
Fair Value Assets and Liabilities (Textual) [Abstract]      
Percentage of outstanding shares of Limoneira's shares owned 15.00%    
Limoneira's stock price $ 22.47 $ 17.35 $ 20.24
Unrealized investment holding gains $ 8.9 $ 5.0 $ 10.8