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Environmental (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Dec. 31, 2023
Loss Contingencies [Line Items] |  |  |  |  |
Environmental remediation costs | $ 0.7 | $ 2.2 | $ 2.4 | $ 15.4 |
Accrued environmental liability | 188.4 |  | 188.4 |  | $ 195.4
Other Noncurrent Liabilities |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Accrued environmental liability | $ 161.2 |  | $ 161.2 |  | $ 161.4

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