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Goodwill and Intangible Assets - Summary of Intangible Assets (Detail) - USD ($) $ in Thousands | Oct. 31, 2017 | Oct. 31, 2016
--- | --- | ---
Finite-Lived Intangible Assets [Line Items] |  |
Gross Assets | $ 1,166,198 | $ 1,068,428
Accumulated Amortization | 912,355 | 801,767
Net Assets | 253,843 | 266,661
Core-developed technology |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Assets | 647,975 | 610,812
Accumulated Amortization | 526,796 | 460,722
Net Assets | 121,179 | 150,090
Customer relationships |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Assets | 278,811 | 235,997
Accumulated Amortization | 166,886 | 139,932
Net Assets | 111,925 | 96,065
Contract rights intangible |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Assets | 174,615 | 171,248
Accumulated Amortization | 172,178 | 162,183
Net Assets | 2,437 | 9,065
Trademarks and trade names |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Assets | 25,329 | 20,729
Accumulated Amortization | 17,401 | 13,821
Net Assets | 7,928 | 6,908
In Process Research and Development |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Assets | 6,600 |
Accumulated Amortization | 0 |
Net Assets | 6,600 |
Capitalized software development costs |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Assets | 32,868 | 29,642
Accumulated Amortization | 29,094 | 25,109
Net Assets | $ 3,774 | $ 4,533

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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=66006027&loc=d3e16323-109275 + Details
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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) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition 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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph ((a)(1),(b)) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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