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Goodwill and Intangible Assets - Summary of Intangible Assets (Detail) - USD ($) $ in Thousands | Apr. 30, 2017 | Oct. 31, 2016
--- | --- | ---
Finite-Lived Intangible Assets [Line Items] |  |
Gross Assets | $ 1,134,761 | $ 1,068,428
Accumulated Amortization | 860,152 | 801,767
Net Assets | 274,609 | 266,661
Core/developed technology |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Assets | 622,979 | 610,812
Accumulated Amortization | 495,488 | 460,722
Net Assets | 127,491 | 150,090
Customer relationships |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Assets | 276,756 | 235,997
Accumulated Amortization | 153,598 | 139,932
Net Assets | 123,158 | 96,065
Contract rights intangible |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Assets | 173,589 | 171,248
Accumulated Amortization | 168,332 | 162,183
Net Assets | 5,257 | 9,065
Trademarks and trade names |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Assets | 25,129 | 20,729
Accumulated Amortization | 15,659 | 13,821
Net Assets | 9,470 | 6,908
In Process Research and Development [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Assets | 4,600 |
Accumulated Amortization | 0 |
Net Assets | 4,600 |
Capitalized software development costs |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Assets | 31,708 | 29,642
Accumulated Amortization | 27,075 | 25,109
Net Assets | $ 4,633 | $ 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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