Income Taxes - Schedule of Reconciliation Between the Expected Provision for Income Taxes at the US Federal Statutory Rate and the Provision for Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2025	Oct. 31, 2024	Oct. 31, 2023
Income Tax Disclosure [Abstract]
Provision for income taxes at United States statutory tax rate	$ 118.9	$ 122.3	$ 86.7
Foreign earnings in jurisdictions with different tax rates	20.5	27.8	7.0
Foreign earnings subject to United States tax	50.7	45.5	34.3
Excess tax benefits from share-based compensation	(0.3)	(5.1)	(2.4)
Changes in valuation allowance	10.1	0.0	0.0
Changes in unrecognized tax benefits	(12.5)	0.6	0.0
State tax provision	1.0	1.2	(4.2)
Nontaxable or nondeductible items	9.2	9.4	0.1
Prior year tax returns	(2.4)	(6.3)	0.7
Other, net	(3.6)	(5.4)	(3.5)
Total provision for income taxes	$ 191.6	$ 190.0	$ 118.7