Goodwill and Intangible Assets - Amortization Expense Related to Intangible Assets (Detail) - USD ($) $ in Thousands		12 Months Ended
		Oct. 31, 2021	Oct. 31, 2020	Oct. 31, 2019
Finite-Lived Intangible Assets [Line Items]
Amortization of intangible expense		$ 86,447	$ 95,004	$ 103,782
Core/developed technology
Finite-Lived Intangible Assets [Line Items]
Amortization of intangible expense		46,049	47,890	56,163
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Amortization of intangible expense		31,478	35,075	37,533
Contract rights intangible
Finite-Lived Intangible Assets [Line Items]
Amortization of intangible expense		2,413	5,181	3,581
Trademarks and trade names
Finite-Lived Intangible Assets [Line Items]
Amortization of intangible expense		2,440	3,135	3,637
Capitalized software development costs
Finite-Lived Intangible Assets [Line Items]
Amortization of intangible expense	[1]	$ 4,067	$ 3,723	$ 2,868

[1] Amortization of capitalized software development costs is included in cost of products revenue in the consolidated statements of income.