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Note 3 - Intangible Assets And Goodwill (Detail) - Goodwill Activity by Segment (USD $)
In Thousands, unless otherwise specified
6 Months Ended 12 Months Ended
Apr. 30, 2013
Oct. 31, 2012
Oct. 31, 2011
Goodwill $ 88,156 $ 84,950  
Utility [Member]
     
Goodwill     48,818
Goodwill 45,564 45,350 48,818
Foreign currency translation adjustment 214 (3,468)  
Proprietary Table Games [Member]
     
Goodwill     10,253
Goodwill 14,682 14,208 10,253
Acquisition   3,000  
Other 474 955  
Electronic Table Systems [Member]
     
Goodwill     35,328
Accumulated impairments     (22,137)
Goodwill 12,659 12,725 13,191
Foreign currency translation adjustment (66) (466)  
Electronic Gaming Machines [Member]
     
Goodwill     13,130
Goodwill 15,251 12,667 13,130
Foreign currency translation adjustment (66) (463)  
Acquisition 2,650    
Total [Member]
     
Goodwill     107,529
Accumulated impairments     (22,137)
Goodwill 88,156 84,950 85,392
Foreign currency translation adjustment 82 (4,397)  
Acquisition 2,650 3,000  
Other $ 474 $ 955