Note 3 - Intangible Assets And Goodwill (Detail) - Amortizable Intangible Assets (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Apr. 30, 2013	Oct. 31, 2012
Amortizable intangible assets:
Intangible Assets Net	$ 34,202	$ 38,329
Patents, Games And Prodcts [Member]
Amortizable intangible assets:
Weighted Average Useful Life	10 years
Intangible Assets Gross	67,382	67,174
Less: accumulated amortization	(54,783)	(53,182)
Intangible Assets Net	12,599	13,992
Customer Relationships [Member]
Amortizable intangible assets:
Weighted Average Useful Life	10 years
Intangible Assets Gross	26,541	26,623
Less: accumulated amortization	(16,497)	(15,197)
Intangible Assets Net	10,044	11,426
Licenses And Other [Member]
Amortizable intangible assets:
Weighted Average Useful Life	6 years
Intangible Assets Gross	22,661	22,935
Less: accumulated amortization	(11,102)	(10,024)
Intangible Assets Net	$ 11,559	$ 12,911