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Goodwill and Intangible Assets - Summary of Intangible Assets (Detail) - USD ($) $ in Thousands | Oct. 31, 2020 | Oct. 31, 2019
--- | --- | ---
Finite-Lived Intangible Assets [Line Items] |  |
Gross Assets | $ 1,489,314 | $ 1,418,818
Accumulated Amortization | 1,234,992 | 1,139,444
Net Assets | 254,322 | 279,374
Core/developed technology |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Assets | 827,232 | 791,647
Accumulated Amortization | 703,009 | 655,119
Net Assets | 124,223 | 136,528
Customer relationships |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Assets | 380,838 | 358,661
Accumulated Amortization | 277,219 | 242,058
Net Assets | 103,619 | 116,603
Contract rights intangible |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Assets | 192,812 | 184,304
Accumulated Amortization | 186,763 | 181,124
Net Assets | 6,049 | 3,180
Trademarks and trade names |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Assets | 43,096 | 42,929
Accumulated Amortization | 28,716 | 25,581
Net Assets | 14,380 | 17,348
In-process research and development (IPR&D) |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Assets | 1,214 | 1,200
Accumulated Amortization | 0 | 0
Net Assets | 1,214 | 1,200
Capitalized software development costs |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Assets | 44,122 | 40,077
Accumulated Amortization | 39,285 | 35,562
Net Assets | $ 4,837 | $ 4,515

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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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