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Contingencies - Narrative (Details) $ in Millions | Jun. 11, 2024 USD ($) | Sep. 30, 2025 USD ($) | Dec. 31, 2024 USD ($) | Dec. 28, 2004 unrelated_party
--- | --- | --- | --- | ---
Loss Contingencies [Line Items] |  |  |  |
Number of unrelated parties | unrelated_party |  |  |  | 12
Accrual for environmental loss contingencies |  | $ 4.8 | $ 4.8 |
Other Current Liabilities |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Accrual for environmental loss contingencies |  | 1.4 |  |
Other Noncurrent Liabilities |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Accrual for environmental loss contingencies |  | $ 3.4 |  |
Government vs Timken India Limited | Pending Litigation | Timken India Limited |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Loss contingency, damages sought, value | $ 12.0 |  |  |

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