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Asset Retirement Obligations (Tables) | 12 Months Ended
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Dec. 31, 2022
Asset Retirement Obligation Disclosure [Abstract] |
Schedule of changes in asset retirement obligations | Changes in asset retirement obligations for the years ended December 31, 2022 and 2021 were as follows:
(In millions) |  | 2022 |  | 2021
Balance at beginning of year |  | $ | 19.0 |  |  | $ | 24.0 |
Accretion expense |  | 0.8 |  |  | 0.8 |
Payments |  | (2.0) |  |  | (5.6) |
Divestiture |  | — |  |  | (0.2) |
Balance at end of year |  | $ | 17.8 |  |  | $ | 19.0 |

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- Definition Tabular disclosure of the changes in carrying amount of a liability for asset retirement obligations, for changes such as new obligations, changes in estimates of existing obligations, spending on existing obligations, property dispositions, and foreign currency translation. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849 + Details
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