Note 3 - Intangible Assets and Goodwill (Detail) - Amortizable Intangible Assets (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended				3 Months Ended				3 Months Ended
	Jul. 31, 2012	Oct. 31, 2011	Jul. 31, 2012 Minimum [Member] Licenses And Other [Member]	Jul. 31, 2012 Maximum [Member] Patents, Games And Prodcts [Member]	Jul. 31, 2012 Maximum [Member] Customer Relationships [Member]	Jul. 31, 2012 Maximum [Member] Licenses And Other [Member]	Jul. 31, 2012 Patents, Games And Prodcts [Member]	Oct. 31, 2011 Patents, Games And Prodcts [Member]	Jul. 31, 2012 Customer Relationships [Member]	Oct. 31, 2011 Customer Relationships [Member]	Jul. 31, 2012 Licenses And Other [Member]	Oct. 31, 2011 Licenses And Other [Member]
Amortizable intangible assets:
Weighted Average Useful Life	8 years		6 years	10 years	10 years	9 years	10 years				7 years
Intangible Assets Gross							$ 65,807	$ 68,999	$ 26,702	$ 25,688	$ 22,971	$ 18,925
Less: accumulated amortization							(51,068)	(52,145)	(14,571)	(12,829)	(9,377)	(7,581)
Intangible Assets Net	$ 40,464	$ 41,057					$ 14,739	$ 16,854	$ 12,131	$ 12,859	$ 13,594	$ 11,344