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v3.22.0.1

Segment and Geographic Information - Segment Results (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Segment Reporting Information [Line Items] |  |  |
Revenues | $ 3,318.3 | $ 2,881.1 | $ 4,623.4
Adjusted EBITDA | 916.7 | 258.8 | 883.0
Additions to property, plant, equipment and mine development | 183.1 | 191.4 | 285.4
(Income) loss from equity affiliates | (82.1) | 60.1 | (3.4)
Seaborne Thermal Mining |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 934.0 | 711.8 | 971.7
Adjusted EBITDA | 353.1 | 163.2 | 329.4
Additions to property, plant, equipment and mine development | 88.6 | 100.7 | 42.1
(Income) loss from equity affiliates | 0.0 | 0.0 | 0.0
Seaborne Metallurgical Mining |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 727.7 | 486.5 | 1,033.1
Adjusted EBITDA | 178.2 | (130.2) | 140.2
Additions to property, plant, equipment and mine development | 25.1 | 50.8 | 143.4
(Income) loss from equity affiliates | 0.0 | 0.0 | 0.0
Powder River Basin Mining |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 971.2 | 991.1 | 1,228.7
Adjusted EBITDA | 134.9 | 194.8 | 221.2
Additions to property, plant, equipment and mine development | 41.4 | 13.2 | 42.8
(Income) loss from equity affiliates | 0.0 | 0.0 | 0.0
Other U.S. Thermal Mining |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 689.1 | 707.3 | 1,309.4
Adjusted EBITDA | 164.2 | 168.4 | 361.4
Additions to property, plant, equipment and mine development | 24.2 | 23.3 | 54.0
(Income) loss from equity affiliates | 0.0 | 0.0 | 0.0
Corporate and Other |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | (3.7) | (15.6) | 80.5
Adjusted EBITDA | 86.3 | (137.4) | (169.2)
Additions to property, plant, equipment and mine development | 3.8 | 3.4 | 3.1
(Income) loss from equity affiliates | $ (82.1) | $ 60.1 | $ (3.4)

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