Goodwill and Intangible Assets - Amortization Expense Related to Intangible Assets (Detail) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Jul. 31, 2022	Jul. 31, 2021	Jul. 31, 2022	Jul. 31, 2021
Finite Lived Intangible Assets Amortization Expense [Line Items]
Amortization expense of intangible assets		$ 27,073	$ 21,450	$ 72,233	$ 63,557
Core/developed technology
Finite Lived Intangible Assets Amortization Expense [Line Items]
Amortization expense of intangible assets		18,603	11,431	45,180	33,416
Customer relationships
Finite Lived Intangible Assets Amortization Expense [Line Items]
Amortization expense of intangible assets		6,322	7,960	20,819	23,443
Contract rights intangible
Finite Lived Intangible Assets Amortization Expense [Line Items]
Amortization expense of intangible assets		727	439	2,180	1,748
Trademarks and trade names
Finite Lived Intangible Assets Amortization Expense [Line Items]
Amortization expense of intangible assets		802	610	2,002	1,830
Capitalized software development costs
Finite Lived Intangible Assets Amortization Expense [Line Items]
Amortization expense of intangible assets	[1]	$ 619	$ 1,010	$ 2,052	$ 3,120

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