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v3.7.0.1

Supplemental Guarantor/Non-Guarantor Financial Information DND IS (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2015 | Sep. 30, 2015 | Jun. 30, 2015 | Mar. 31, 2015 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2016 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Revenues | $ 1,440.8 | $ 1,207.1 | $ 1,040.2 | $ 1,027.2 | $ 1,313.1 |  |  |  | $ 1,418.9 | $ 1,339.3 | $ 1,537.9 | $ 3,564.7 | $ 4,715.3 | $ 5,609.2 | $ 6,792.2
Operating costs and expenses (exclusive of items shown separately below) |  |  |  |  |  |  |  |  |  |  |  | 3,035.9 | 4,107.6 | 5,007.7 | 5,716.9
Depreciation, depletion and amortization |  |  |  |  |  |  |  |  |  |  |  | 336.7 | 465.4 | 572.2 | 655.7
Asset Retirement Obligation, Accretion Expense |  |  |  |  |  |  |  |  |  |  |  | 26.9 | 41.8 | 45.5 | 81.0
Selling and administrative expenses |  |  |  |  |  |  |  |  |  |  |  | 90.7 | 153.4 | 176.4 | 227.1
Restructuring Charges |  |  |  |  |  |  |  |  |  |  |  | 2.8 | 15.5 | 23.5 | 26.0
Gain (Loss) on Disposition of Assets |  |  | 13.7 |  |  |  |  |  |  |  |  | (21.4) | 23.2 | 45.0 | 41.4
Asset Impairment | 230.7 |  |  | 17.2 | 377.0 |  | $ 900.8 |  |  |  |  | 230.7 | 247.9 | 1,277.8 | 154.4
Income (Loss) from Equity Method Investments | 28.8 |  |  |  |  |  |  |  |  |  |  | (26.2) | 16.2 | (15.9) | (107.6)
Loss on early debt extinguishment | 29.5 |  |  |  |  |  | (8.3) | $ (59.5) |  |  |  | 29.5 | (29.5) | (67.8) | (1.6)
Interest Expense |  |  |  | 126.2 |  |  |  |  |  |  |  | 150.4 | 298.6 | 465.4 | 426.6
Interest income |  |  |  |  |  |  |  |  |  |  |  | (4.0) | (5.7) | (7.7) | (15.4)
Reorganization Items | 33.9 | 29.7 | 95.4 |  |  |  |  |  |  |  |  | 159.0 | 159.0 | 0.0 | 0.0
(Loss) income from continuing operations before income taxes |  |  |  |  |  |  |  |  |  |  |  | (446.3) | (758.3) | (1,990.3) | (547.9)
Income Tax Expense (Benefit) |  |  |  |  | 7.9 |  | $ 67.4 |  |  |  |  | (22.7) | (94.5) | (207.1) | 147.4
(Loss) Income from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest | (175.2) | (97.7) | (223.2) | (167.7) | (502.0) |  |  |  | (126.4) | (1,006.0) | (148.8) | (423.6) | (663.8) | (1,783.2) | (695.3)
Loss from discontinued operations, net of income taxes | 13.1 | 38.1 |  |  |  | $ 155.1 |  | $ 7.6 |  |  |  | (53.6) | (57.6) | (175.0) | (28.2)
Net (loss) income | (188.3) | (135.8) | (226.2) | (171.1) | (474.3) |  |  |  | (283.9) | (1,042.3) | (157.7) | (477.2) | (721.4) | (1,958.2) | (723.5)
Less: Net income attributable to noncontrolling interests |  |  |  |  |  |  |  |  |  |  |  | 7.9 | 7.9 | 7.1 | 9.7
Net loss attributable to common stockholders | $ (192.7) | $ (137.6) | $ (227.9) | $ (171.1) | $ (473.5) |  |  |  | $ (286.7) | $ (1,044.1) | $ (161.0) | (485.1) | $ (729.3) | $ (1,965.3) | $ (733.2)
Debtor Subsidiaries [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |  |  |  | 2,074.0 |  |  |
Operating costs and expenses (exclusive of items shown separately below) |  |  |  |  |  |  |  |  |  |  |  | 1,692.9 |  |  |
Depreciation, depletion and amortization |  |  |  |  |  |  |  |  |  |  |  | 177.6 |  |  |
Asset Retirement Obligation, Accretion Expense |  |  |  |  |  |  |  |  |  |  |  | 11.6 |  |  |
Selling and administrative expenses |  |  |  |  |  |  |  |  |  |  |  | 81.4 |  |  |
Restructuring Charges |  |  |  |  |  |  |  |  |  |  |  | 2.2 |  |  |
Gain (Loss) on Disposition of Assets |  |  |  |  |  |  |  |  |  |  |  | (19.7) |  |  |
Asset Impairment |  |  |  |  |  |  |  |  |  |  |  | 37.5 |  |  |
Income (Loss) from Equity Method Investments |  |  |  |  |  |  |  |  |  |  |  | 212.6 |  |  |
Loss on early debt extinguishment |  |  |  |  |  |  |  |  |  |  |  | 29.5 |  |  |
Interest Expense |  |  |  |  |  |  |  |  |  |  |  | 143.2 |  |  |
Interest income |  |  |  |  |  |  |  |  |  |  |  | (3.7) |  |  |
Reorganization Items |  |  |  |  |  |  |  |  |  |  |  | 155.1 |  |  |
(Loss) income from continuing operations before income taxes |  |  |  |  |  |  |  |  |  |  |  | (446.2) |  |  |
Income Tax Expense (Benefit) |  |  |  |  |  |  |  |  |  |  |  | (20.6) |  |  |
(Loss) Income from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest |  |  |  |  |  |  |  |  |  |  |  | (425.6) |  |  |
Loss from discontinued operations, net of income taxes |  |  |  |  |  |  |  |  |  |  |  | (59.5) |  |  |
Net (loss) income |  |  |  |  |  |  |  |  |  |  |  | (485.1) |  |  |
Less: Net income attributable to noncontrolling interests |  |  |  |  |  |  |  |  |  |  |  | 0.0 |  |  |
Net loss attributable to common stockholders |  |  |  |  |  |  |  |  |  |  |  | (485.1) |  |  |
Non-Debtor Subsidiaries [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |  |  |  | 1,494.7 |  |  |
Operating costs and expenses (exclusive of items shown separately below) |  |  |  |  |  |  |  |  |  |  |  | 1,347.0 |  |  |
Depreciation, depletion and amortization |  |  |  |  |  |  |  |  |  |  |  | 159.1 |  |  |
Asset Retirement Obligation, Accretion Expense |  |  |  |  |  |  |  |  |  |  |  | 15.3 |  |  |
Selling and administrative expenses |  |  |  |  |  |  |  |  |  |  |  | 9.3 |  |  |
Restructuring Charges |  |  |  |  |  |  |  |  |  |  |  | 0.6 |  |  |
Gain (Loss) on Disposition of Assets |  |  |  |  |  |  |  |  |  |  |  | (1.7) |  |  |
Asset Impairment |  |  |  |  |  |  |  |  |  |  |  | 193.2 |  |  |
Income (Loss) from Equity Method Investments |  |  |  |  |  |  |  |  |  |  |  | (29.2) |  |  |
Loss on early debt extinguishment |  |  |  |  |  |  |  |  |  |  |  | 0.0 |  |  |
Interest Expense |  |  |  |  |  |  |  |  |  |  |  | 16.9 |  |  |
Interest income |  |  |  |  |  |  |  |  |  |  |  | (10.0) |  |  |
Reorganization Items |  |  |  |  |  |  |  |  |  |  |  | 3.9 |  |  |
(Loss) income from continuing operations before income taxes |  |  |  |  |  |  |  |  |  |  |  | (209.7) |  |  |
Income Tax Expense (Benefit) |  |  |  |  |  |  |  |  |  |  |  | (2.1) |  |  |
(Loss) Income from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest |  |  |  |  |  |  |  |  |  |  |  | (207.6) |  |  |
Loss from discontinued operations, net of income taxes |  |  |  |  |  |  |  |  |  |  |  | 5.9 |  |  |
Net (loss) income |  |  |  |  |  |  |  |  |  |  |  | (201.7) |  |  |
Less: Net income attributable to noncontrolling interests |  |  |  |  |  |  |  |  |  |  |  | 7.9 |  |  |
Net loss attributable to common stockholders |  |  |  |  |  |  |  |  |  |  |  | (209.6) |  |  |
Debtor Non-Debtor Eliminations [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |  |  |  | (4.0) |  |  |
Operating costs and expenses (exclusive of items shown separately below) |  |  |  |  |  |  |  |  |  |  |  | (4.0) |  |  |
Depreciation, depletion and amortization |  |  |  |  |  |  |  |  |  |  |  | 0.0 |  |  |
Asset Retirement Obligation, Accretion Expense |  |  |  |  |  |  |  |  |  |  |  | 0.0 |  |  |
Selling and administrative expenses |  |  |  |  |  |  |  |  |  |  |  | 0.0 |  |  |
Restructuring Charges |  |  |  |  |  |  |  |  |  |  |  | 0.0 |  |  |
Gain (Loss) on Disposition of Assets |  |  |  |  |  |  |  |  |  |  |  | 0.0 |  |  |
Asset Impairment |  |  |  |  |  |  |  |  |  |  |  | 0.0 |  |  |
Income (Loss) from Equity Method Investments |  |  |  |  |  |  |  |  |  |  |  | (209.6) |  |  |
Loss on early debt extinguishment |  |  |  |  |  |  |  |  |  |  |  | 0.0 |  |  |
Interest Expense |  |  |  |  |  |  |  |  |  |  |  | (9.7) |  |  |
Interest income |  |  |  |  |  |  |  |  |  |  |  | (9.7) |  |  |
Reorganization Items |  |  |  |  |  |  |  |  |  |  |  | 0.0 |  |  |
(Loss) income from continuing operations before income taxes |  |  |  |  |  |  |  |  |  |  |  | 209.6 |  |  |
Income Tax Expense (Benefit) |  |  |  |  |  |  |  |  |  |  |  | 0.0 |  |  |
(Loss) Income from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest |  |  |  |  |  |  |  |  |  |  |  | 209.6 |  |  |
Loss from discontinued operations, net of income taxes |  |  |  |  |  |  |  |  |  |  |  | 0.0 |  |  |
Net (loss) income |  |  |  |  |  |  |  |  |  |  |  | 209.6 |  |  |
Less: Net income attributable to noncontrolling interests |  |  |  |  |  |  |  |  |  |  |  | 0.0 |  |  |
Net loss attributable to common stockholders |  |  |  |  |  |  |  |  |  |  |  | $ 209.6 |  |  |

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