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Accounts Payable and Accrued Expenses | 12 Months Ended
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Dec. 31, 2020
Payables and Accruals [Abstract] |
Accounts Payable and Accrued Expenses | Accounts Payable and Accrued Expenses Accounts payable and accrued expenses consisted of the following:
| December 31,
| 2020 |  | 2019
| (Dollars in millions)
Accrued payroll and related benefits | $ | 163.9 |  |  | $ | 186.2 |
Trade accounts payable | 146.3 |  |  | 254.8 |
Other accrued expenses | 116.2 |  |  | 118.5 |
Accrued taxes other than income | 80.4 |  |  | 99.0 |
Asset retirement obligations | 77.7 |  |  | 98.2 |
Accrued royalties | 25.8 |  |  | 61.7 |
Liabilities associated with discontinued operations | 62.3 |  |  | 58.8 |
Operating lease liabilities | 24.5 |  |  | 29.6 |
Accrued health care insurance | 15.7 |  |  | 15.8 |
Accrued interest | 15.5 |  |  | 15.0 |
Workers’ compensation obligations | 9.0 |  |  | 8.4 |
Intangible take-or-pay contracts | 4.4 |  |  | 8.4 |
Income taxes payable | 2.3 |  |  | 2.6 |
Liabilities from coal trading activities | 1.7 |  |  | — |
Accounts payable and accrued expenses | $ | 745.7 |  |  | $ | 957.0 |

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- Definition The entire disclosure for accounts payable and accrued liabilities at the end of the reporting period. + 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 210.5-02.19(a),20,24) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- References No definition available. + Details
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