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Segment and Geographic Information | 12 Months Ended
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Dec. 31, 2016
Segment Reporting [Abstract] |
Segment and Geographic Information | Segment and Geographic Information The Company reports its results of operations primarily through the following reportable segments: Powder River Basin Mining, Midwestern U.S. Mining, Western U.S. Mining, Australian Metallurgical Mining, Australian Thermal Mining, Trading and Brokerage and Corporate and Other. The principal business of the Company's mining segments in the U.S. is the mining, preparation and sale of thermal coal, sold primarily to electric utilities in the U.S. under long-term contracts, with a portion sold into the seaborne markets as market conditions warrant. The Company's Powder River Basin Mining operations consist of its mines in Wyoming. The mines in that segment are characterized by surface mining extraction processes, coal with a lower sulfur content and Btu and higher customer transportation costs (due to longer shipping distances). The Company's Midwestern U.S. Mining operations include the Company’s Illinois and Indiana mining operations, which are characterized by a mix of surface and underground mining extraction processes, coal with a higher sulfur content and Btu and lower customer transportation costs (due to shorter shipping distances). The Company's Western U.S. Mining operations reflect the aggregation of the New Mexico, Arizona and Colorado mining operations. The mines in that segment are characterized by a mix of surface and underground mining extraction processes, coal with a mid-range sulfur content and Btu. Geologically, the Company's Powder River Basin Mining operations mine sub-bituminous coal deposits, its Midwestern U.S. Mining operations mine bituminous coal deposits and its Western U.S. Mining operations mine both bituminous and sub-bituminous coal deposits. The business of the Company's Australian operating platform is primarily export focused with customers spread across several countries, while a portion of the metallurgical and thermal coal is sold within Australia. Generally, revenues from individual countries vary year by year based on electricity and steel demand, the strength of the global economy, governmental policies and several other factors, including those specific to each country. The Company’s Australian Metallurgical Mining operations consist of mines in Queensland and one in New South Wales, Australia. The mines in that segment are characterized by both surface and underground extraction processes used to mine various qualities of metallurgical coal (low-sulfur, high Btu coal). The metallurgical coal qualities include hard coking coal, semi-hard coking coal, semi-soft coking coal and low-volatile pulverized coal injection coal. The Company's Australian Thermal Mining operations consist of mines in New South Wales, Australia. The mines in that segment are characterized by both surface and underground extraction processes used to mine low-sulfur, high Btu thermal coal. The Company classifies its Australian mines within the Australian Metallurgical Mining or Australian Thermal Mining segments based on the primary customer base and coal reserve type of each mining operation. A small portion of the coal mined by the Australian Metallurgical Mining segment is of a thermal grade. Similarly, a small portion of the coal mined by the Australian Thermal Mining segment is of a metallurgical grade. Additionally, the Company may market some of its metallurgical coal products as a thermal coal product from time to time depending on market conditions. The Company's Trading and Brokerage segment engages in the direct and brokered trading of coal and freight-related contracts through its trading and business offices. Coal brokering is conducted both as principal and agent in support of various coal production-related activities that may involve coal produced from the Company's mines, coal sourcing arrangements with third-party mining companies or offtake agreements with other coal producers. The Trading and Brokerage segment also provides transportation-related services, which involves both financial derivative contracts and physical contracts. Collectively, coal and freight-related hedging activities include both economic hedging and, from time to time, cash flow hedging in support of the Company's coal trading strategy. The Company's Corporate and Other segment includes selling and administrative expenses, corporate hedging activities, mining and export/transportation joint ventures, restructuring charges and activities associated with the optimization of coal reserve and real estate holdings, minimum charges on certain transportation-related contracts, the closure of inactive mining sites and certain energy-related commercial matters. The Company’s chief operating decision maker uses Adjusted EBITDA as the primary metric to measure the segments' operating performance. Adjusted EBITDA is defined as (loss) income from continuing operations before deducting net interest expense, income taxes, asset retirement obligation expense, depreciation, depletion and amortization and reorganization items, net. Adjusted EBITDA is also adjusted for the discrete items, which are reflected in the reconciliation below, that management excluded in analyzing the segments' operating performance. Adjusted EBITDA is not intended to serve as an alternative to U.S. GAAP measures of performance and may not be comparable to similarly-titled measures presented by other companies. Segment results for the year ended December 31, 2016 were as follows:
| Powder River Basin Mining |  | Midwestern U.S. Mining |  | Western U.S. Mining |  | Australian Metallurgical Mining |  | Australian Thermal Mining |  | Trading and Brokerage |  | Corporate and Other |  | Consolidated
| (Dollars in millions)
Revenues | $ | 1,473.3 |  |  | $ | 792.5 |  |  | $ | 526.0 |  |  | $ | 1,090.4 |  |  | $ | 824.9 |  |  | $ | (10.9 | ) |  | $ | 19.1 |  |  | $ | 4,715.3 |
Adjusted EBITDA | 379.9 |  |  | 217.3 |  |  | 101.6 |  |  | (16.3 | ) |  | 217.6 |  |  | (72.2 | ) |  | (335.7 | ) |  | 492.2 |
Additions to property, plant, equipment and mine development | 33.0 |  |  | 18.7 |  |  | 20.8 |  |  | 29.9 |  |  | 22.1 |  |  | — |  |  | 2.1 |  |  | 126.6 |
Federal coal lease expenditures | 248.4 |  |  | — |  |  | 0.6 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 249.0 |
Income from equity affiliates | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (16.2 | ) |  | (16.2 | )
Segment results for the year ended December 31, 2015 were as follows:
| Powder River Basin Mining |  | Midwestern U.S. Mining |  | Western U.S. Mining |  | Australian Metallurgical Mining |  | Australian Thermal Mining |  | Trading and Brokerage |  | Corporate and Other |  | Consolidated
| (Dollars in millions)
Revenues | $ | 1,865.9 |  |  | $ | 981.2 |  |  | $ | 682.3 |  |  | $ | 1,181.9 |  |  | $ | 823.5 |  |  | $ | 42.8 |  |  | $ | 31.6 |  |  | $ | 5,609.2 |
Adjusted EBITDA | 482.9 |  |  | 269.7 |  |  | 184.6 |  |  | (18.2 | ) |  | 193.6 |  |  | 27.0 |  |  | (705.0 | ) |  | 434.6 |
Additions to property, plant, equipment and mine development | 15.0 |  |  | 51.3 |  |  | 19.3 |  |  | 25.5 |  |  | 13.6 |  |  | — |  |  | 2.1 |  |  | 126.8 |
Federal coal lease expenditures | 276.9 |  |  | — |  |  | 0.3 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 277.2 |
Loss from equity affiliates | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 15.9 |  |  | 15.9 |
Segment results for the year ended December 31, 2014 were as follows:
| Powder River Basin Mining |  | Midwestern U.S. Mining |  | Western U.S. Mining |  | Australian Metallurgical Mining |  | Australian Thermal Mining |  | Trading and Brokerage |  | Corporate and Other |  | Consolidated
| (Dollars in millions)
Revenues | $ | 1,922.9 |  |  | $ | 1,198.1 |  |  | $ | 902.8 |  |  | $ | 1,613.8 |  |  | $ | 1,058.0 |  |  | $ | 58.4 |  |  | $ | 38.2 |  |  | $ | 6,792.2 |
Adjusted EBITDA | 509.0 |  |  | 306.9 |  |  | 266.9 |  |  | (151.1 | ) |  | 264.1 |  |  | 14.9 |  |  | (396.7 | ) |  | 814.0 |
Additions to property, plant, equipment and mine development | 19.7 |  |  | 57.4 |  |  | 18.2 |  |  | 53.9 |  |  | 30.2 |  |  | — |  |  | 15.0 |  |  | 194.4 |
Federal coal lease expenditures | 276.5 |  |  | — |  |  | 0.2 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 276.7 |
Loss from equity affiliates | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 107.6 |  |  | 107.6 |
Asset details are reflected at the division level only for the Company's mining segments and are not allocated between each individual segment as such information is not regularly reviewed by the Company's CODM. Further, some assets service more than one segment within the division and an allocation of such assets would not be meaningful or representative on a segment by segment basis. Assets as of December 31, 2016 were as follows:
| U.S. Mining |  | Australian Mining |  | Trading and Brokerage |  | Corporate and Other |  | Consolidated
| (Dollars in millions)
Total assets | $ | 4,255.9 |  |  | $ | 5,402.2 |  |  | $ | 128.7 |  |  | $ | 1,990.9 |  |  | $ | 11,777.7 |
Property, plant, equipment and mine development, net | 3,970.6 |  |  | 3,905.8 |  |  | 0.2 |  |  | 900.1 |  |  | 8,776.7 |
Assets as of December 31, 2015 were as follows:
| U.S. Mining |  | Australian Mining |  | Trading and Brokerage |  | Corporate and Other |  | Consolidated
| (Dollars in millions)
Total assets | $ | 4,105.8 |  |  | $ | 5,319.9 |  |  | $ | 217.2 |  |  | $ | 1,304.0 |  |  | $ | 10,946.9 |
Property, plant, equipment and mine development, net | 3,854.5 |  |  | 4,469.6 |  |  | 0.5 |  |  | 933.9 |  |  | 9,258.5 |
Assets as of December 31, 2014 were as follows:
| U.S. Mining |  | Australian Mining |  | Trading and Brokerage |  | Corporate and Other |  | Consolidated
| (Dollars in millions)
Total assets | $ | 4,099.1 |  |  | $ | 6,623.9 |  |  | $ | 300.7 |  |  | $ | 2,167.4 |  |  | $ | 13,191.1 |
Property, plant, equipment and mine development, net | 3,739.9 |  |  | 5,503.7 |  |  | 1.1 |  |  | 1,332.6 |  |  | 10,577.3 |
A reconciliation of consolidated loss from continuing operations, net of income taxes to Adjusted EBITDA follows:
| Year Ended December 31,
| 2016 |  | 2015 |  | 2014
| (Dollars in millions)
Loss from continuing operations, net of income taxes | $ | (674.3 | ) |  | $ | (1,813.9 | ) |  | $ | (749.1 | )
Depreciation, depletion and amortization | 465.4 |  |  | 572.2 |  |  | 655.7 |
Asset retirement obligation expenses | 41.8 |  |  | 45.5 |  |  | 81.0 |
Selling and administrative expenses related to debt restructuring | 21.5 |  |  | — |  |  | — |
Asset impairment | 247.9 |  |  | 1,277.8 |  |  | 154.4 |
Change in deferred tax asset valuation allowance related to equity affiliates | (7.5 | ) |  | (1.0 | ) |  | 52.3 |
Amortization of basis difference related to equity affiliates | — |  |  | 4.9 |  |  | 5.7 |
Interest expense | 298.6 |  |  | 465.4 |  |  | 426.6 |
Loss on early debt extinguishment | 29.5 |  |  | 67.8 |  |  | 1.6 |
Interest income | (5.7 | ) |  | (7.7 | ) |  | (15.4 | )
Reorganization items, net | 159.0 |  |  | — |  |  | — |
Income tax (benefit) provision | (84.0 | ) |  | (176.4 | ) |  | 201.2 |
Total Adjusted EBITDA | $ | 492.2 |  |  | $ | 434.6 |  |  | $ | 814.0 |
The following table presents revenues as a percent of total revenue from external customers by geographic region:
| Year Ended December 31,
| 2016 |  | 2015 |  | 2014
U.S. | 54.7 | % |  | 57.4 | % |  | 59.5 | %
Japan | 6.9 | % |  | 8.1 | % |  | 9.5 | %
China | 5.4 | % |  | 7.1 | % |  | 6.1 | %
South Korea | 1.5 | % |  | 4.1 | % |  | 5.2 | %
Other | 31.5 | % |  | 23.3 | % |  | 19.7 | %
Total | 100.0 | % |  | 100.0 | % |  | 100.0 | %
The Company attributes revenue to individual countries based on the location of the physical delivery of the coal.

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- Definition The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e8981-108599 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e9038-108599 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e8971-108599 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e8595-108599 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e8380-108599 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e8933-108599 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 26 -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e8844-108599 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 35 -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e8984-108599 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e9031-108599 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e9054-108599 Reference 11: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e8538-108599 Reference 12: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 29 -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e8864-108599 Reference 13: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 31 -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e8924-108599 Reference 14: 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=51669610&loc=d3e8906-108599 + Details
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