Note 5 - Intangible Assets And Goodwill (Detail) (USD $)
12 Months Ended
Oct. 31, 2012
Oct. 31, 2011
Oct. 31, 2010
Oct. 31, 2004
Amortization of Intangible Assets $ 9,000,000 $ 10,100,000 $ 11,000,000  
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life 8 years      
Indefinite-Lived Trade Names 24,500,000 25,500,000    
Business Acquisition, Contingent Consideration, at Fair Value       7,600,000
Contingent Consideration Payment Term       10 years
Business Acquisition, Contingent Consideration, Potential Cash Payment       12,000,000
Contingent Installments Paid 11,500,000      
Intellectual Property [Member]
       
Goodwill, Acquired During Period 3,000,000      
Bet Technology Acquisition [Member]
       
Goodwill, Other Changes       1,000,000
Patents, Games and Products [Member]
       
Finite-lived Intangible Assets Acquired 900,000      
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life 10 years      
Customer Relationships [Member]
       
Finite-lived Intangible Assets Acquired 1,600,000      
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life 10 years      
Licensing Agreements [Member]
       
Finite-lived Intangible Assets Acquired $ 3,600,000      
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life 7 years