Share-Based Compensation - Schedule of Compensation Expense and Related Income Tax Benefit For Share-Based Awards (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Jul. 31, 2026	Jul. 31, 2025	Jul. 31, 2026	Jul. 31, 2025
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation expense	$ 15.9	$ 16.2	$ 50.6	$ 55.3
Related income tax benefit	2.0	1.8	6.8	7.5
Income Statement Location [Axis]: us-gaap:CostOfGoodsAndServicesSold
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation expense	1.8	1.0	5.0	3.5
Income Statement Location [Axis]: us-gaap:ResearchAndDevelopmentExpense
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation expense	0.5	0.7	1.7	2.1
Income Statement Location [Axis]: us-gaap:SellingGeneralAndAdministrativeExpense
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation expense	$ 13.6	$ 14.5	$ 43.9	$ 49.7

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details