Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Jul. 31, 2025	Jul. 31, 2024	Jul. 31, 2025	Jul. 31, 2024	Oct. 31, 2024
Income Tax Disclosure [Abstract]
Income tax provision	$ 129,879	$ 129,016	$ 298,614	$ 368,781
Effective tax rate	26.00%	25.60%	24.90%	25.20%
State income tax rate			5.60%		6.30%
Gross unrecognized tax benefits	$ 23,400		$ 23,400