Income Taxes - Provision for Income Taxes and Effective Tax Rates (Detail) - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2024	Jan. 31, 2023
Income Tax Disclosure [Abstract]
Income before income taxes	$ 465,104	$ 279,224
Provision (benefit) for income taxes	$ 18,897	$ 10,597
Effective tax rate	4.10%	3.80%