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Contingencies - Narrative (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023
Loss Contingencies [Line Items] |  |
Standard product warranty length, minimum | 1 year |
Standard product warranty length, maximum | 2 years |
Limited product warranty length (up to) | 10 years |
Litigation accruals | $ 9,297 | $ 9,404
Performance Bonds |  |
Loss Contingencies [Line Items] |  |
Letters of credit secured using cash collateral | 36,400 |
Outstanding performance bonds | $ 332,200 |

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