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Acquisitions and Dispositions, Pending disposition of facilities in Germany (Details) $ in Millions | 1 Months Ended | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Oct. 31, 2023 item | Sep. 30, 2025 USD ($) | Sep. 30, 2025 USD ($) | Mar. 31, 2025 USD ($) item
Acquisitions and Dispositions |  |  |  |
Number of Automotive Businesses Sold | item | 3 |  |  |
Impairment charge |  | $ 4.1 | $ 4.1 |
Pending disposition of facilities in germany | Disposal group held-for-sale not discontinued operations |  |  |  |
Acquisitions and Dispositions |  |  |  |
Number of Automotive Businesses Sold | item |  |  |  | 3
Real estate investment firm |  | 5.0 | 5.0 |
Impairment charge |  | 4.1 |  |
Related assets expected |  | $ 4.7 | $ 4.7 | $ 8.2

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