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Revenue Recognition | 12 Months Ended
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Dec. 31, 2024
Revenue Recognition [Abstract] |
Revenue Recognition | Revenue Recognition Disaggregation of Revenue Revenue by product type and market is set forth in the following tables. With respect to its seaborne reportable segments, the Company classifies as “Export” certain revenue from domestically-delivered coal under contracts in which the price is derived on a basis similar to export contracts.
| Year Ended December 31, 2024
| Seaborne Thermal |  | Seaborne Metallurgical |  | Powder River Basin |  | Other U.S. Thermal |  | Corporate and Other (1) |  | Consolidated
| (Dollars in millions)
Thermal coal |  |  |  |  |  |  |  |  |  |  |
Domestic | $ | 150.8 |  |  | $ | — |  |  | $ | 1,096.4 |  |  | $ | 785.0 |  |  | $ | — |  |  | $ | 2,032.2 |
Export | 1,060.6 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 1,060.6 |
Total thermal | 1,211.4 |  |  | — |  |  | 1,096.4 |  |  | 785.0 |  |  | — |  |  | 3,092.8 |
Metallurgical coal |  |  |  |  |  |  |  |  |  |  |
Export | — |  |  | 1,049.5 |  |  | — |  |  | — |  |  | — |  |  | 1,049.5 |
Total metallurgical | — |  |  | 1,049.5 |  |  | — |  |  | — |  |  | — |  |  | 1,049.5 |
Other (2) | 2.5 |  |  | 6.1 |  |  | 2.4 |  |  | 37.6 |  |  | 45.8 |  |  | 94.4 |
Revenue | $ | 1,213.9 |  |  | $ | 1,055.6 |  |  | $ | 1,098.8 |  |  | $ | 822.6 |  |  | $ | 45.8 |  |  | $ | 4,236.7 |
| Year Ended December 31, 2023
| Seaborne Thermal |  | Seaborne Metallurgical |  | Powder River Basin |  | Other U.S. Thermal |  | Corporate and Other (1) |  | Consolidated
| (Dollars in millions)
Thermal coal |  |  |  |  |  |  |  |  |  |  |
Domestic | $ | 136.4 |  |  | $ | — |  |  | $ | 1,193.9 |  |  | $ | 867.7 |  |  | $ | — |  |  | $ | 2,198.0 |
Export | 1,192.5 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 1,192.5 |
Total thermal | 1,328.9 |  |  | — |  |  | 1,193.9 |  |  | 867.7 |  |  | — |  |  | 3,390.5 |
Metallurgical coal |  |  |  |  |  |  |  |  |  |  |
Export | — |  |  | 1,299.6 |  |  | — |  |  | — |  |  | — |  |  | 1,299.6 |
Total metallurgical | — |  |  | 1,299.6 |  |  | — |  |  | — |  |  | — |  |  | 1,299.6 |
Other (2) | 0.8 |  |  | 2.3 |  |  | 4.2 |  |  | 20.5 |  |  | 228.8 |  |  | 256.6 |
Revenue | $ | 1,329.7 |  |  | $ | 1,301.9 |  |  | $ | 1,198.1 |  |  | $ | 888.2 |  |  | $ | 228.8 |  |  | $ | 4,946.7 |
| Year Ended December 31, 2022
| Seaborne Thermal |  | Seaborne Metallurgical |  | Powder River Basin |  | Other U.S. Thermal |  | Corporate and Other (1) |  | Consolidated
| (Dollars in millions)
Thermal coal |  |  |  |  |  |  |  |  |  |  |
Domestic | $ | 167.6 |  |  | $ | — |  |  | $ | 1,066.0 |  |  | $ | 943.9 |  |  | $ | — |  |  | $ | 2,177.5 |
Export | 1,177.3 |  |  | — |  |  | — |  |  | 3.5 |  |  | — |  |  | 1,180.8 |
Total thermal | 1,344.9 |  |  | — |  |  | 1,066.0 |  |  | 947.4 |  |  | — |  |  | 3,358.3 |
Metallurgical coal |  |  |  |  |  |  |  |  |  |  |
Export | — |  |  | 1,610.8 |  |  | — |  |  | — |  |  | — |  |  | 1,610.8 |
Total metallurgical | — |  |  | 1,610.8 |  |  | — |  |  | — |  |  | — |  |  | 1,610.8 |
Other (2) | 0.7 |  |  | 6.1 |  |  | (0.5) |  |  | 4.8 |  |  | 1.7 |  |  | 12.8 |
Revenue | $ | 1,345.6 |  |  | $ | 1,616.9 |  |  | $ | 1,065.5 |  |  | $ | 952.2 |  |  | $ | 1.7 |  |  | $ | 4,981.9 |
(1) Corporate and Other includes the following:
| Year Ended December 31,
| 2024 |  | 2023 |  | 2022
| (Dollars in millions)
Unrealized gains (losses) on derivative contracts related to forecasted sales | $ | — |  |  | $ | 159.0 |  |  | $ | (35.8) |
Realized losses on derivative contracts related to forecasted sales | — |  |  | (80.9) |  |  | (455.1) |
Revenue from physical sale of coal (3) | 27.8 |  |  | 109.4 |  |  | 470.7 |
Trading revenue | — |  |  | — |  |  | 10.7 |
Other (2) | 18.0 |  |  | 41.3 |  |  | 11.2 |
Total Corporate and Other | $ | 45.8 |  |  | $ | 228.8 |  |  | $ | 1.7 |
(2) Includes revenue from arrangements such as customer contract-related payments associated with volume shortfalls; royalties related to coal lease agreements; sales agency commissions; farm income; property and facility rentals; and revenue related to the Company’s assignment of rights to its excess port and rail capacity. (3) Includes revenue recognized upon the physical sale of coal purchased from the Company’s operating segments and sold to customers through the Company’s coal trading business, including as part of settling certain derivative contracts. Primarily represents the difference between the price contracted with the customer and the price allocated to the operating segment. Committed Revenue from Contracts with Customers The Company expects to recognize revenue subsequent to December 31, 2024 of approximately $3.6 billion related to contracts with customers in which volumes and prices per ton were fixed or reasonably estimable at December 31, 2024. Approximately 51% of such amount is expected to be recognized over the next twelve months and the remainder thereafter. Actual revenue related to such contracts may differ materially for various reasons, including price adjustment features for coal quality and cost escalations, volume optionality provisions and potential force majeure events. This estimate of future revenue does not include any revenue related to contracts with variable prices per ton that cannot be reasonably estimated, such as the majority of seaborne metallurgical and seaborne thermal coal contracts where pricing is negotiated or settled quarterly or annually. Accounts Receivable “Accounts receivable, net” at December 31, 2024 and 2023 consisted of the following:
| December 31,
| 2024 |  | 2023
| (Dollars in millions)
Trade receivables, net | $ | 294.9 |  |  | $ | 322.3 |
Miscellaneous receivables, net | 64.4 |  |  | 67.4 |
Accounts receivable, net | $ | 359.3 |  |  | $ | 389.7 |
None of the above receivables included allowances for credit losses at December 31, 2024 or 2023. No charges for credit losses were recognized during the years ended December 31, 2024, 2023 or 2022.

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