Note 3 - Intangible Assets and Goodwill (Detail) (USD $)	3 Months Ended		9 Months Ended		12 Months Ended
	Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2012	Jul. 31, 2011	Oct. 31, 2011	Oct. 31, 2004
Amortization of Intangible Assets	$ 2,200,000	$ 2,500,000	$ 6,800,000	$ 7,400,000
Finite-Lived Intangible Asset, Useful Life	8 years
Indefinite-Lived Trade Names	24,700,000		24,700,000		25,500,000
Goodwill, Acquired During Period			3,000,000		4,799,000
Goodwill, Other Changes			(690,000)		(927,000)
Business Acquisition, Contingent Consideration, at Fair Value						7,600,000
Business Acquisition, Contingent Consideration, Potential Cash Payment						12,000,000
Contingent Installments Paid	11,200,000		11,200,000
Bet Technology Acquisition [Member]
Goodwill, Acquired During Period	3,000,000
Goodwill, Other Changes	700,000
Patents, Games And Prodcts [Member]
Finite-lived Intangible Assets Acquired	900,000
Finite-Lived Intangible Asset, Useful Life	10 years
Customer Relationships [Member]
Finite-lived Intangible Assets Acquired	1,600,000
Licenses And Other [Member]
Finite-lived Intangible Assets Acquired	$ 3,600,000
Finite-Lived Intangible Asset, Useful Life	7 years