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Goodwill and Intangible Assets - Summary of Intangible Assets (Detail) - USD ($) $ in Thousands	Oct. 31, 2016	Oct. 31, 2015
Finite-Lived Intangible Assets [Line Items]
Gross Assets	$ 1,068,428	$ 1,030,594
Accumulated Amortization	801,767	666,935
Net Assets	266,661	363,659
Core-developed technology
Finite-Lived Intangible Assets [Line Items]
Gross Assets	610,812	584,293
Accumulated Amortization	460,722	375,395
Net Assets	150,090	208,898
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Assets	235,997	231,908
Accumulated Amortization	139,932	115,170
Net Assets	96,065	116,738
Contract rights intangible
Finite-Lived Intangible Assets [Line Items]
Gross Assets	171,248	168,153
Accumulated Amortization	162,183	144,293
Net Assets	9,065	23,860
Trademarks and trade names
Finite-Lived Intangible Assets [Line Items]
Gross Assets	20,729	20,729
Accumulated Amortization	13,821	10,665
Net Assets	6,908	10,064
Capitalized software development costs
Finite-Lived Intangible Assets [Line Items]
Gross Assets	29,642	25,511
Accumulated Amortization	25,109	21,412
Net Assets	$ 4,533	$ 4,099

X

- 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=66006027&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

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)
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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
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-Section 50
-Paragraph 2
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