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Contingent Liabilities and Other Matters - Environmental Matters (Details) $ in Millions | Dec. 31, 2024 USD ($) site | Dec. 31, 2023 USD ($) site
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Environmental Matters |  |
Accrual for environmental loss contingencies | $ | $ 27.4 | $ 24.1
Site investigation and remediation |  |
Environmental Matters |  |
Number of sites | 16 | 16
Number of third-party disposal sites for which entity is potentially responsible | 9 | 9

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