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Income Taxes - Effective Income Tax Rate Narrative (Details) - USD ($) $ in Millions | 7 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Valuation allowance, deferred tax asset, increase (decrease), amount |  | $ 36.1 | $ 8.9 |
Reorganization and restructuring actions |  | (26.1) | 0.0 | $ 0.0
Gain on bargain purchase of business |  | 0.0 | 13.6 | 0.0
Tax benefit on loss carryback |  | 0.0 | 0.0 | $ (5.2)
Tekfor Group |  |  |  |
Gain on bargain purchase of business | $ 13.6 |  | 13.6 |
US Tax Authority and Foreign Tax Authority |  |  |  |
Valuation allowance, deferred tax asset, increase (decrease), amount |  | $ 36.1 |  |
Foreign Tax Authority [Member] |  |  |  |
Valuation allowance, deferred tax asset, increase (decrease), amount |  |  | $ (7.5) |

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