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Commitment and Contingencies - Narrative (Details) $ in Millions | 1 Months Ended | 3 Months Ended | 12 Months Ended | 277 Months Ended
--- | --- | --- | --- | ---
Sep. 30, 2024 USD ($) | Mar. 31, 2025 USD ($) claim | Mar. 31, 2024 USD ($) | Aug. 31, 2024 USD ($) | Sep. 30, 2024 USD ($)
Asbestos-Related Damages |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Pending claims, approximate number | claim |  | 1,195 |  |  |
Payment for settled claims and awards related damages, including interest |  |  |  |  | $ 96.0
Loss contingency accrual | $ 99.6 |  |  |  | $ 99.6
Discontinued Operations | Asbestos-Related Damages and Legal Costs |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Loss contingency payments |  | $ 4.4 | $ 3.0 |  |
Discontinued Operations | Asbestos-Related Damages |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Incremental pre-tax provision | $ 29.3 |  |  |  |
Minimum | Asbestos-Related Damages |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Estimate of possible loss |  |  |  | $ 99.6 |
Loss contingency, increase (decrease) of estimated possible loss |  |  |  | 15.6 |
Minimum | Asbestos-Related Legal Costs |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Estimate of possible loss |  |  |  | 49.8 |
Maximum | Asbestos-Related Damages |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Estimate of possible loss |  |  |  | 210.8 |
Loss contingency, increase (decrease) of estimated possible loss |  |  |  | 75.5 |
Maximum | Asbestos-Related Legal Costs |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Estimate of possible loss |  |  |  | $ 115.9 |

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