Goodwill and Intangible Assets - Summary of Intangible Assets (Detail) - USD ($) $ in Thousands	Jul. 31, 2023	Oct. 31, 2022
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 1,829,327	$ 1,801,997
Accumulated Amortization	1,492,604	1,415,551
Net Amount	336,723	386,446
Core/developed technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,101,118	1,083,703
Accumulated Amortization	866,708	813,226
Net Amount	234,410	270,477
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	431,469	426,242
Accumulated Amortization	351,474	333,984
Net Amount	79,995	92,258
Contract rights intangible
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	193,120	190,666
Accumulated Amortization	190,036	188,262
Net Amount	3,084	2,404
Trademarks and trade names
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	52,825	52,795
Accumulated Amortization	36,736	34,054
Net Amount	16,089	18,741
Capitalized software development costs
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	50,795	48,591
Accumulated Amortization	47,650	46,025
Net Amount	$ 3,145	$ 2,566