Income Taxes - Schedule of Provision for Income Taxes and Effective Tax Rates (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Apr. 30, 2026	Apr. 30, 2025	Apr. 30, 2026	Apr. 30, 2025
Income Tax Disclosure [Abstract]
Income before income taxes	$ 19,276	$ 396,191	$ 98,329	$ 687,308
Provision for income taxes	$ 2,408	$ 47,181	$ 16,745	$ 40,887
Effective tax rate	12.50%	11.90%	17.00%	5.90%

Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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+ Details

- Definition

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

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+ Details