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Goodwill and Intangible Assets - Summary of Intangible Assets (Detail) - USD ($) $ in Thousands | Jul. 31, 2021 | Oct. 31, 2020
--- | --- | ---
Finite-Lived Intangible Assets [Line Items] |  |
Gross Assets | $ 1,547,399 | $ 1,489,314
Accumulated Amortization | 1,297,425 | 1,234,992
Net Assets | 249,974 | 254,322
Core/developed technology |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Assets | 884,603 | 827,232
Accumulated Amortization | 736,125 | 703,009
Net Assets | 148,478 | 124,223
Customer relationships |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Assets | 381,703 | 380,838
Accumulated Amortization | 300,441 | 277,219
Net Assets | 81,262 | 103,619
Contract rights intangible |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Assets | 192,359 | 192,812
Accumulated Amortization | 187,909 | 186,763
Net Assets | 4,450 | 6,049
Trademarks and trade names |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Assets | 43,095 | 43,096
Accumulated Amortization | 30,545 | 28,716
Net Assets | 12,550 | 14,380
In Process Research and Development |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Assets |  | 1,214
Accumulated Amortization |  | 0
Net Assets |  | 1,214
Capitalized software development costs |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Assets | 45,639 | 44,122
Accumulated Amortization | 42,405 | 39,285
Net Assets | $ 3,234 | $ 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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- 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/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 928 -SubTopic 340 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -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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