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v3.24.0.1

General (Details) $ in Millions |  |  | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Nov. 30, 2023 USD ($) | Jul. 05, 2022 segment | Sep. 30, 2022 segment | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Aug. 01, 2023 USD ($)
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |
Number of reportable segments | segment |  | 2 | 2 |  |  |  |
Income from discontinued operations, net of tax |  |  |  | $ 198.2 | $ 62.3 | $ 87.2 |
Discontinued Operations, Disposed of by Sale |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |
Income from discontinued operations, net of tax |  |  |  | $ 198.2 | $ 62.3 | $ 87.2 |
Engineered Papers Business |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |
Total proceeds |  |  |  |  |  |  | $ 620.0
Engineered Papers Business | Discontinued Operations, Disposed of by Sale |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |
Gain on sale | $ 176.3 |  |  |  |  |  |
Income from discontinued operations, net of tax | $ 170.0 |  |  |  |  |  |

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