Income Taxes - Rate Reconciliation Between Provision (Benefit) for Income Taxes and Taxes Computed at Statutory Federal Rate (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2025	Oct. 31, 2024	Oct. 31, 2023
Income Tax Disclosure [Abstract]
Statutory federal tax	$ 292,560	$ 317,912	$ 274,149
State tax (benefit), net of federal effect	26,897	48,393	438
Federal tax credits	(64,818)	(70,119)	(60,500)
Tax (benefit) on foreign earnings	28,008	3,316	(17,571)
Foreign-derived intangible income deduction	(106,903)	(104,835)	(80,034)
Tax settlements	0	0	(23,752)
Stock-based compensation	20,583	(43,419)	(39,995)
Changes in valuation allowance	(148,006)	(57,371)	29,631
Capital loss on the sale of investments	(30,868)	0	0
Acquisition costs	17,877	0	0
Other	20,661	5,841	7,822
Provision (benefit) for income taxes	$ 55,991	$ 99,718	$ 90,188