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Goodwill and Intangible Assets - Summary of Intangible Assets (Detail) - USD ($) $ in Thousands | Jan. 31, 2017 | Oct. 31, 2016
--- | --- | ---
Finite-Lived Intangible Assets [Line Items] |  |
Gross Assets | $ 1,133,232 | $ 1,068,428
Accumulated Amortization | 831,310 | 801,767
Net Assets | 301,922 | 266,661
Core/developed technology |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Assets | 622,954 | 610,812
Accumulated Amortization | 479,000 | 460,722
Net Assets | 143,954 | 150,090
Customer relationships |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Assets | 276,625 | 235,997
Accumulated Amortization | 146,731 | 139,932
Net Assets | 129,894 | 96,065
Contract rights intangible |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Assets | 173,249 | 171,248
Accumulated Amortization | 164,730 | 162,183
Net Assets | 8,519 | 9,065
Trademarks and trade names |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Assets | 25,129 | 20,729
Accumulated Amortization | 14,763 | 13,821
Net Assets | 10,366 | 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 | 30,675 | 29,642
Accumulated Amortization | 26,086 | 25,109
Net Assets | $ 4,589 | $ 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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