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Acquisitions, Discontinued Operations, and the Asbestos Portfolio Sale - Sale of Transformers Solutions Business - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Dec. 31, 2021 | Oct. 02, 2021 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Oct. 01, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |
Gain on disposition of discontinued operations, net of tax |  |  | $ (19.6) | $ 360.7 | $ (3.7) |
Discontinued operations, disposed of by sale | Transformer solutions |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |
Accrued liabilities |  |  |  |  |  | $ 620.6
Gain on disposition of discontinued operations, net of tax | $ 24.5 | $ 357.7 |  | $ 382.2 |  |

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