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Environmental Obligations - Environmental Reserve Rollforward (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Accrual for Environmental Loss Contingencies [Roll Forward] |  |  |
Total environmental reserves, net of recoveries beginning of period | $ 503.2 | $ 564.4 | $ 585.8
Provision | 104.8 | 65.8 | 53.2
Spending, net of recoveries | (74.5) | (121.8) | (81.1)
Foreign currency translation adjustments | (4.3) | (5.2) | 6.5
Net Change | 26.0 | (61.2) | (21.4)
Total environmental reserves, net of recoveries end of period | $ 529.2 | $ 503.2 | $ 564.4
Environmental Loss Contingency, Statement of Financial Position [Extensible Enumeration] | Environmental liabilities, continuing and discontinued | Environmental liabilities, continuing and discontinued | Environmental liabilities, continuing and discontinued

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- Definition Amount of expense for newly incurred environmental loss contingencies. Includes, but is not limited to, remediation expense and interest accretion. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.Y.Q1) -URI https://asc.fasb.org/extlink&oid=27011672&loc=d3e149879-122751 + Details
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