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Consolidated Balance Sheets (Parentheticals) (USD $)
Oct. 31, 2011
Oct. 31, 2010
Preferred stock, par value (in Dollars per share) $ 0.01 $ 0.01
Preferred stock, shares authorized (in Shares) 100,000 100,000
Preferred stock, shares issued (in Shares) 5,600 5,600
Preferred stock, liquidation preference (in Dollars per share) $ 140,000 $ 140,000
Common Class A [Member]
    
Common stock, par value (in Dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized (in Shares) 200,000,000 200,000,000
Common stock, shares issued (in Shares) 92,141,492 74,809,683
Common stock, shares held in Treasury (in Shares) 11,694,720 11,694,720
Common Class B [Member]
    
Common stock, par value (in Dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized (in Shares) 30,000,000 30,000,000
Common stock, shares issued (in Shares) 15,252,212 15,256,543
Common stock, shares held in Treasury (in Shares) 691,748 691,748