Goodwill and Intangible Assets - Amortization Expense Related to Intangible Assets (Detail) - USD ($) $ in Thousands		3 Months Ended
		Jan. 31, 2022	Jan. 31, 2021
Finite Lived Intangible Assets Amortization Expense [Line Items]
Amortization expense of intangible assets		$ 23,112	$ 21,314
Core/developed technology
Finite Lived Intangible Assets Amortization Expense [Line Items]
Amortization expense of intangible assets		12,848	11,016
Customer relationships
Finite Lived Intangible Assets Amortization Expense [Line Items]
Amortization expense of intangible assets		8,185	7,780
Contract rights intangible
Finite Lived Intangible Assets Amortization Expense [Line Items]
Amortization expense of intangible assets		727	870
Trademarks and trade names
Finite Lived Intangible Assets Amortization Expense [Line Items]
Amortization expense of intangible assets		600	610
Capitalized software development costs
Finite Lived Intangible Assets Amortization Expense [Line Items]
Amortization expense of intangible assets	[1]	$ 752	$ 1,038

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