Goodwill and Intangible Assets - Summary of Intangible Assets (Detail) - USD ($) $ in Thousands	Apr. 30, 2023	Oct. 31, 2022
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 1,824,747	$ 1,801,997
Accumulated Amortization	1,467,634	1,415,551
Net Amount	357,113	386,446
Core/developed technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,097,217	1,083,703
Accumulated Amortization	848,890	813,226
Net Amount	248,327	270,477
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	431,303	426,242
Accumulated Amortization	345,857	333,984
Net Amount	85,446	92,258
Contract rights intangible
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	193,594	190,666
Accumulated Amortization	189,953	188,262
Net Amount	3,641	2,404
Trademarks and trade names
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	52,795	52,795
Accumulated Amortization	35,840	34,054
Net Amount	16,955	18,741
Capitalized software development costs
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	49,838	48,591
Accumulated Amortization	47,094	46,025
Net Amount	$ 2,744	$ 2,566