Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Apr. 30, 2025	Apr. 30, 2024	Apr. 30, 2025	Apr. 30, 2024	Oct. 31, 2024
Income Tax Disclosure [Abstract]
Income tax provision	$ 125,056	$ 168,162	$ 168,735	$ 239,765
Effective tax rate	26.20%	25.90%	24.10%	25.00%
State income tax rate			5.70%		6.30%
Gross unrecognized tax benefits	$ 22,100		$ 22,100