Note 3 - Intangible Assets And Goodwill (Detail) - Amortizable Intangible Assets (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jan. 31, 2013	Oct. 31, 2012
Amortizable intangible assets:
Intangible Assets Net	$ 36,395	$ 38,329
Patents, Games And Prodcts [Member]
Amortizable intangible assets:
Weighted Average Useful Life	10 years
Intangible Assets Gross	68,358	67,174
Less: accumulated amortization	(55,034)	(53,182)
Intangible Assets Net	13,324	13,992
Customer Relationships [Member]
Amortizable intangible assets:
Weighted Average Useful Life	10 years
Intangible Assets Gross	26,768	26,623
Less: accumulated amortization	(15,968)	(15,197)
Intangible Assets Net	10,800	11,426
Licenses And Other [Member]
Amortizable intangible assets:
Weighted Average Useful Life	6 years
Intangible Assets Gross	22,958	22,935
Less: accumulated amortization	(10,687)	(10,024)
Intangible Assets Net	$ 12,271	$ 12,911