Goodwill and Intangible Assets - Summary of Intangible Assets (Detail) - USD ($) $ in Thousands	Jul. 31, 2022	Oct. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 1,794,135	$ 1,598,984
Accumulated Amortization	1,389,483	1,319,852
Net Amount	404,652	279,132
Core/developed technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,078,103	911,903
Accumulated Amortization	793,937	748,759
Net Amount	284,166	163,144
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	423,739	404,571
Accumulated Amortization	328,459	308,355
Net Amount	95,280	96,216
Contract rights intangible
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	191,430	193,317
Accumulated Amortization	188,524	188,231
Net Amount	2,906	5,086
Trademarks and trade names
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	52,795	43,095
Accumulated Amortization	33,157	31,155
Net Amount	19,638	11,940
Capitalized software development costs
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	48,068	46,098
Accumulated Amortization	45,406	43,352
Net Amount	$ 2,662	$ 2,746