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Goodwill and Intangible Assets - Summary of Intangible Assets (Detail) - USD ($) $ in Thousands | Apr. 30, 2021 | Oct. 31, 2020
--- | --- | ---
Finite-Lived Intangible Assets [Line Items] |  |
Gross Assets | $ 1,510,096 | $ 1,489,314
Accumulated Amortization | 1,276,287 | 1,234,992
Net Assets | 233,809 | 254,322
Core/developed technology |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Assets | 846,611 | 827,232
Accumulated Amortization | 724,695 | 703,009
Net Assets | 121,916 | 124,223
Customer relationships |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Assets | 381,495 | 380,838
Accumulated Amortization | 292,556 | 277,219
Net Assets | 88,939 | 103,619
Contract rights intangible |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Assets | 192,595 | 192,812
Accumulated Amortization | 187,705 | 186,763
Net Assets | 4,890 | 6,049
Trademarks and trade names |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Assets | 43,095 | 43,096
Accumulated Amortization | 29,935 | 28,716
Net Assets | 13,160 | 14,380
In Process Research and Development |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Assets | 914 | 1,214
Accumulated Amortization | 0 | 0
Net Assets | 914 | 1,214
Capitalized software development costs |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Assets | 45,386 | 44,122
Accumulated Amortization | 41,396 | 39,285
Net Assets | $ 3,990 | $ 4,837

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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/disclosureRef -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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