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v3.20.4

Accrued Liabilities (Tables) | 12 Months Ended
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Dec. 31, 2020
Balance Sheet Related Disclosures [Abstract] |
Schedule of Accrued Liabilities | Accrued liabilities consist of following:
| December 31,
| 2020 |  | 2019
| (Dollars in millions)
Accrued benefits | $ | 18.3 |  |  | $ | 21.7 |
Current portion of postretirement benefit obligation | 2.8 |  |  | 2.9 |
Other taxes payable | 9.8 |  |  | 9.9 |
Current portion of black lung liability | 4.6 |  |  | 4.6 |
Accrued legal | 6.4 |  |  | 2.7 |
Other | 7.9 |  |  | 5.5 |
Total accrued liabilities | $ | 49.8 |  |  | $ | 47.3 |

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- Definition Tabular disclosure of the components of accrued liabilities. + References No definition available. + Details
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