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v3.25.3

Employee Benefit Plans - Performance-Based Restricted Stock Units (Details) - Performance Shares [Member] - USD ($) $ / shares in Units, $ in Millions |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | ---
Oct. 01, 2025 | Oct. 31, 2024 | Oct. 31, 2023 | Oct. 31, 2022 | Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Share-based compensation expense |  |  |  |  | $ 40.2 | $ 23.1 | $ 11.6
Minimum [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage |  |  |  |  | 0.00% |  |
Maximum [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage |  |  |  |  | 300.00% |  |
Fiscal 2023 Grant |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Target number of performance units |  |  |  | 600,000 |  |  |
Granted, weighted average grant date fair value, per share |  |  |  | $ 79.97 |  |  |
Share-based compensation expense |  |  |  |  | $ 7.8 | 10.0 | 11.6
Fiscal 2023 Grant | Subsequent Event [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Restricted stock awarded | 484,492 |  |  |  |  |  |
Fiscal 2024 Grant |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Target number of performance units |  |  | 277,779 |  |  |  |
Granted, weighted average grant date fair value, per share |  |  | $ 146.72 |  |  |  |
Share-based compensation expense |  |  |  |  | 13.1 | 13.1 | 0.0
Fiscal 2025 Grant |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Target number of performance units |  | 327,717 |  |  |  |  |
Granted, weighted average grant date fair value, per share |  | $ 176.39 |  |  |  |  |
Share-based compensation expense |  |  |  |  | $ 19.3 | $ 0.0 | $ 0.0

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