Other Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Jul. 31, 2012	Jul. 31, 2011	Oct. 31, 2011
Other Intangible Assets
Gross intangible	$ 787,944		$ 787,944
Accumulated Amortization	(512,274)		(456,309)
Net Intangible	275,670		331,635
Expected future amortization of finite-lived intangible assets
2012 (remaining six months)	18,532
2013	71,309
2014	57,151
2015	52,879
2016	52,879
Thereafter	22,920
Total	275,670
Other Intangible Assets (Textuals) [Abstract]
Amortization expense of finite-lived intangible assets	55,965	76,567
Developed Technology [Member]
Other Intangible Assets
Gross intangible	417,833		417,833
Accumulated Amortization	(268,498)		(234,393)
Net Intangible	149,335		183,440
Patents And Licenses [Member]
Other Intangible Assets
Gross intangible	46,538		46,538
Accumulated Amortization	(45,504)		(45,320)
Net Intangible	1,034		1,218
Customer Relationships, Covenants Not To Compete, Outstanding Purchase Orders And Contracts [Member]
Other Intangible Assets
Gross intangible	323,573		323,573
Accumulated Amortization	(198,272)		(176,596)
Net Intangible	$ 125,301		$ 146,977