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Commitments and Contingencies - Schedule of Environmental Remediation Reserve Activity (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Environmental remediation reserve activity |  |  |
Beginning remediation accrual balance | $ 0.8 | $ 2.1 | $ 2.4
Current period expenses | 0.3 | 0.0 | 0.0
Cash expenditures | (0.4) | (1.3) | (0.3)
Ending remediation accrual balance | $ 0.7 | $ 0.8 | $ 2.1

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