Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Oct. 31, 2011	Oct. 31, 2010	Oct. 31, 2009
Intangible Assets
Gross intangible	$ 787,944	$ 786,794
Accumulated Amortization	(456,309)	(360,382)
Net Intangible	331,635	426,412
Expected future amortization of finite-lived intangible assets
2012	74,497
2013	71,309
2014	57,151
2015	52,879
2016	52,879
Thereafter	22,920
Total	331,635
Intangible Assets (Textuals) [Abstract]
Amortization expense of finite-lived intangible assets	95,927	127,018	31,429
Developed Technology [Member]
Intangible Assets
Gross intangible	417,833	417,833
Accumulated Amortization	(234,393)	(186,129)
Net Intangible	183,440	231,704
Patents And Licenses [Member]
Intangible Assets
Gross intangible	46,538	45,388
Accumulated Amortization	(45,320)	(45,167)
Net Intangible	1,218	221
Customer Relationships, Covenants Not To Compete, Outstanding Purchase Orders And Contracts [Member]
Intangible Assets
Gross intangible	323,573	323,573
Accumulated Amortization	(176,596)	(129,086)
Net Intangible	$ 146,977	$ 194,487

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The accumulated amount of amortization of a major finite-lived intangible asset class. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

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Aggregate amount of intangible asset amortization recognized as expense during the period.

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The aggregate estimated amortization expense for succeeding fiscal years for intangible assets subject to amortization.

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Sum of the gross carrying amounts before accumulated amortization as of the balance sheet date of all intangible assets having statutory or estimated useful lives. The aggregate gross carrying amount (including any previously recognized impairment charges) of a major finite-lived intangible asset class. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

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The aggregate sum of gross carrying value of a major finite-lived intangible asset class, less accumulated amortization and any impairment charges. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

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The amount of amortization expense expected to be recognized for the remainder of the finite-lived intangible asset useful life after the fifth succeeding fiscal year.

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No definition available.

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The amount of amortization expense expected to be recognized during year five of the five succeeding fiscal years.

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The amount of amortization expense expected to be recognized during year four of the five succeeding fiscal years.

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The amount of amortization expense expected to be recognized during year one of the five succeeding fiscal years.

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The amount of amortization expense expected to be recognized during year three of the five succeeding fiscal years.

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The amount of amortization expense expected to be recognized during year two of the five succeeding fiscal years.

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