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Other Noncurrent Liabilities | 12 Months Ended
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Dec. 31, 2022
Other Liabilities Disclosure [Abstract] |
Other Noncurrent Liabilities | Note 11 – Other noncurrent liabilities: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | December 31,
​ |  | 2021 |  | 2022
​ | ​ | (In millions)
Accrued postretirement benefits | ​ | $ | 8.4 | ​ | $ | 5.9
Employee benefits | ​ |  | 6.1 | ​ |  | 4.8
Other | ​ |  | 13.5 | ​ |  | 9.8
Total | ​ | $ | 28.0 | ​ | $ | 20.5
​

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- Definition The entire disclosure for other liabilities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.20,24) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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