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Reportable Segments and Geographic Information - Schedule of Geographic Information (Details) - USD ($) $ in Millions | Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2023
--- | --- | --- | ---
Geographic Information |  |  |
Total | $ 5,155.8 | $ 4,558.9 | $ 4,624.3
Americas |  |  |
Geographic Information |  |  |
Total | 3,779.2 | 3,315.3 | 3,478.5
Europe, Middle East, India, Africa |  |  |
Geographic Information |  |  |
Total | 1,025.5 | 872.9 | 803.5
Asia-Australia-Pacific |  |  |
Geographic Information |  |  |
Total | $ 351.1 | $ 370.7 | $ 342.3

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