Income Taxes - Components of Provision (Benefit) for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2025	Oct. 31, 2024	Oct. 31, 2023
Current:
Federal	$ 376,014	$ 345,859	$ 252,186
State	25,041	19,808	23,042
Foreign	118,696	110,021	22,869
Current income tax expense (benefit), total	519,751	475,688	298,097
Deferred:
Federal	(339,076)	(312,677)	(191,249)
State	(109,078)	(39,164)	(219)
Foreign	(15,606)	(24,129)	(16,441)
Deferred income tax expense (benefit), total	(463,760)	(375,970)	(207,909)
Provision (benefit) for income taxes	$ 55,991	$ 99,718	$ 90,188