Other Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Jan. 31, 2015	Jan. 31, 2014	Oct. 31, 2014
Other Intangible Assets
Gross Intangible	$ 787,944		$ 787,944
Accumulated Amortization	(672,486)		(659,267)
Net Intangible	115,458us-gaap_FiniteLivedIntangibleAssetsNet		128,677us-gaap_FiniteLivedIntangibleAssetsNet
Expected future amortization of finite-lived intangible assets
2015 (remaining nine months)	39,659
2016	52,879
2017	22,783
2018	137
Net Intangible	115,458us-gaap_FiniteLivedIntangibleAssetsNet		128,677us-gaap_FiniteLivedIntangibleAssetsNet
Other Intangible Assets (Textuals) [Abstract]
Amortization of intangible assets excluding amortization included in property, plant and equipment	13,219	16,890
Developed Technology
Other Intangible Assets
Gross Intangible	417,833		417,833
Accumulated Amortization	(358,678)		(351,929)
Net Intangible	59,155		65,904
Expected future amortization of finite-lived intangible assets
Net Intangible	59,155		65,904
Patents And Licenses
Other Intangible Assets
Gross Intangible	46,538		46,538
Accumulated Amortization	(45,949)		(45,908)
Net Intangible	589		630
Expected future amortization of finite-lived intangible assets
Net Intangible	589		630
Customer Relationships, Covenants Not To Compete, Outstanding Purchase Orders And Contracts
Other Intangible Assets
Gross Intangible	323,573		323,573
Accumulated Amortization	(267,859)		(261,430)
Net Intangible	55,714		62,143
Expected future amortization of finite-lived intangible assets
Net Intangible	$ 55,714		$ 62,143

Amortization of Intangible Assets Excluding Amortization Included in Property, Plant and Equipment

No definition available.

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- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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- Definition

Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized in the remainder of the fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

No definition available.

+ Details

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- Definition

Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(3)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(3)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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- Definition

Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(3)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

+ Details

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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