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Segment Information (Tables) | 3 Months Ended
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Mar. 31, 2018
Segment Reporting [Abstract] |
Reportable segment results | Reportable segment results were as follows:
|  | Successor | Predecessor
|  | Three Months Ended March 31, 2018 | Three Months Ended March 31, 2017
|  | (Dollars in millions)
Revenues: |  |  |
Powder River Basin Mining |  | $ | 389.3 |  | $ | 394.3 |
Midwestern U.S. Mining |  | 201.7 |  | 193.2 |
Western U.S. Mining |  | 143.7 |  | 149.7 |
Australian Metallurgical Mining |  | 466.2 |  | 328.9 |
Australian Thermal Mining |  | 201.4 |  | 224.8 |
Trading and Brokerage |  | 20.1 |  | 15.0 |
Corporate and Other |  | 40.3 |  | 20.3 |
Total |  | $ | 1,462.7 |  | $ | 1,326.2 |
Adjusted EBITDA: |  |  |
Powder River Basin Mining |  | $ | 74.5 |  | $ | 91.7 |
Midwestern U.S. Mining |  | 31.2 |  | 50.0 |
Western U.S. Mining |  | 32.0 |  | 50.0 |
Australian Metallurgical Mining |  | 166.4 |  | 109.6 |
Australian Thermal Mining |  | 61.6 |  | 75.6 |
Trading and Brokerage |  | 1.2 |  | 8.8 |
Corporate and Other (1) |  | (3.0 | ) | (44.4 | )
Total |  | $ | 363.9 |  | $ | 341.3 |
(1) |
Reconciliation of Adjusted EBITDA to consolidated loss from continuing operations, net of income taxes | A reconciliation of consolidated income from continuing operations, net of income taxes to Adjusted EBITDA follows:
|  | Successor | Predecessor
|  | Three Months Ended March 31, 2018 | Three Months Ended March 31, 2017
|  | (Dollars in millions)
Income from continuing operations, net of income taxes |  | $ | 208.3 |  | $ | 124.3 |
Depreciation, depletion and amortization |  | 169.6 |  | 119.9 |
Asset retirement obligation expenses |  | 12.3 |  | 14.6 |
Asset impairment |  | — |  | 30.5 |
Changes in deferred tax asset valuation allowance and amortization of basis difference related to equity affiliates |  | (7.6 | ) | (5.2 | )
Interest expense |  | 36.3 |  | 32.9 |
Interest income |  | (7.2 | ) | (2.7 | )
Reorganization items, net |  | (12.8 | ) | 41.4 |
Unrealized gains on economic hedges |  | (38.6 | ) | (16.6 | )
Unrealized losses on non-coal trading derivative contracts |  | 1.8 |  | — |
Take-or-pay contract-based intangible recognition |  | (8.3 | ) | — |
Income tax provisi on |  | 10.1 |  | 2.2 |
Total Adjusted EBITDA |  | $ | 363.9 |  | $ | 341.3 |

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- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8906-108599 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8813-108599 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8721-108599 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8736-108599 + Details
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