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v3.25.3

Environmental Obligations - Environmental Reserve Rollforward and Recoveries and Reserves (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024
Accrual for Environmental Loss Contingencies [Roll Forward] |  |  |  |  |
Environmental reserves, long-term | $ 514.1 |  | $ 514.1 |  | $ 521.3
Recorded Recoveries [Roll Forward] |  |  |  |  |
Environmental recoveries, beginning |  |  | 3.8 |  |
Increase (Decrease) in recoveries |  |  | 0.4 |  |
Cash received |  |  | (0.7) |  |
Environmental recoveries, ending | 3.5 |  | 3.5 |  |
Environmental charges, net | 4.9 | $ 4.8 | 15.8 | $ 13.8 |
Environmental provision, net | 8.5 | 8.7 | 26.0 | 23.3 |
Continuing Operations |  |  |  |  |
Recorded Recoveries [Roll Forward] |  |  |  |  |
Environmental charges, net | 4.9 | 4.8 | 15.8 | 13.8 |
Discontinued Operations |  |  |  |  |
Recorded Recoveries [Roll Forward] |  |  |  |  |
Environmental charges, net | 3.6 | 3.9 | 10.2 | 9.5 |
Environmental Provisions, Net - Recorded to Assets |  |  |  |  |
Recorded Recoveries [Roll Forward] |  |  |  |  |
Environmental provision, net | (0.1) | (0.1) | (0.4) | (0.4) |
Environmental Provisions, Net - Recorded to Liabilities |  |  |  |  |
Recorded Recoveries [Roll Forward] |  |  |  |  |
Environmental provision, net | 8.6 | $ 8.8 | 26.4 | $ 23.7 |
Gross |  |  |  |  |
Accrual for Environmental Loss Contingencies [Roll Forward] |  |  |  |  |
Total environmental reserves at December 31, 2024 |  |  | 623.2 |  |
Provision (Benefit) |  |  | 27.4 |  |
(Spending) Recoveries |  |  | (55.4) |  |
Foreign currency translation adjustments |  |  | 13.6 |  |
Net change |  |  | (14.4) |  |
Total environmental reserves at September 30, 2025 | 608.8 |  | 608.8 |  |
Environmental reserves, current | 86.5 |  | 86.5 |  |
Environmental reserves, long-term | 522.3 |  | 522.3 |  |
Total environmental reserves at September 30, 2025 | 608.8 |  | 608.8 |  | 623.2
Recoveries |  |  |  |  |
Accrual for Environmental Loss Contingencies [Roll Forward] |  |  |  |  |
Total environmental reserves at December 31, 2024 |  |  | 10.1 |  |
Provision (Benefit) |  |  | (1.0) |  |
(Spending) Recoveries |  |  | 1.5 |  |
Foreign currency translation adjustments |  |  | 0.0 |  |
Net change |  |  | 0.5 |  |
Total environmental reserves at September 30, 2025 | 9.6 |  | 9.6 |  |
Environmental reserves, current | 1.4 |  | 1.4 |  |
Environmental reserves, long-term | 8.2 |  | 8.2 |  |
Total environmental reserves at September 30, 2025 | 9.6 |  | 9.6 |  | 10.1
Net |  |  |  |  |
Accrual for Environmental Loss Contingencies [Roll Forward] |  |  |  |  |
Total environmental reserves at December 31, 2024 |  |  | 613.1 |  |
Provision (Benefit) |  |  | 26.4 |  |
(Spending) Recoveries |  |  | (53.9) |  |
Foreign currency translation adjustments |  |  | 13.6 |  |
Net change |  |  | (13.9) |  |
Total environmental reserves at September 30, 2025 | 599.2 |  | 599.2 |  |
Environmental reserves, current | 85.1 |  | 85.1 |  |
Environmental reserves, long-term | 514.1 |  | 514.1 |  |
Total environmental reserves at September 30, 2025 | $ 599.2 |  | $ 599.2 |  | $ 613.1

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