| In millions, except per share items | Dec-31-15 | Dec-31-14 | Dec-31-13 | Dec-31-12 | Dec-31-11 | Dec-31-10 | Dec-31-09 | Dec-31-08 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Revenues [+] | 60.7 | 224.2 | 317.5 | 356.5 | 328.8 | 295.3 | 270.5 | 557.9 |
| Oil & gas sales | 58.5 | 222.1 | 313.4 | 350.4 | 323.4 | 290.6 | 267.2 | |
| Other | 2.2 | 2.2 | 4.1 | | | | | 3.6 |
| Other income | 2.2 | 2.2 | 4.1 | 6.1 | 5.4 | 4.7 | 3.3 | |
| Revenue growth | -72.9% | -29.4% | -10.9% | 8.4% | 11.3% | 9.2% | -51.5% | 48.2% |
| Cost of goods sold [+] | 54.4 | 72.3 | 77.8 | 91.9 | 94.1 | 84.3 | 95.2 | 976.6 |
| Transportation costs | 0.2 | 0.2 | 0.2 | | | | | |
| Gross profit | 6.4 | 151.9 | 239.7 | 264.6 | 234.7 | 211.0 | 175.3 | -418.7 |
| Gross margin | 10.5% | 67.7% | 75.5% | 74.2% | 71.4% | 71.5% | 64.8% | -75.1% |
| Selling, general and administrative [+] | 29.1 | 20.4 | 50.7 | 55.2 | 39.2 | 37.6 | 36.9 | |
| General and administrative [+] | 29.1 | 20.4 | 50.7 | 55.2 | 39.2 | 37.6 | 36.9 | 0.0 |
| General and administrative expenses | 29.1 | 20.4 | 50.7 | 55.2 | 39.2 | 37.6 | 36.9 | |
| Operating taxes | 4.7 | 7.6 | 3.5 | 9.7 | 6.4 | 6.7 | 10.1 | |
| Other operating expenses | 446.9 | 11.1 | 6.2 | 20.6 | 22.1 | 22.0 | 19.1 | |
| Adjusted EBITDA | -469.1 | 122.0 | 183.6 | 193.1 | 180.1 | 157.1 | 122.1 | -281.2 |
| Adjusted EBITDA margin | -772.5% | 54.4% | 57.8% | 54.2% | 54.8% | 53.2% | 45.1% | -50.4% |
| Stock-based compensation | 0.5 | 1.6 | 0.8 | 4.2 | 6.7 | 5.7 | 2.8 | 3.1 |
| EBITDA [+] | -469.6 | 120.4 | 182.9 | 188.8 | 173.3 | 151.4 | 119.3 | -284.2 |
| EBITDA growth | -490.0% | -34.2% | -3.1% | 8.9% | 14.5% | 27.0% | -142.0% | -231.9% |
| EBITDA margin | -773.3% | 53.7% | 57.6% | 53.0% | 52.7% | 51.3% | 44.1% | -51.0% |
| Depreciation and amortization | 23.6 | 44.1 | 48.8 | 86.8 | 85.8 | 78.5 | 86.2 | 134.5 |
| EBIT [+] | -493.2 | 76.3 | 134.0 | 102.0 | 87.5 | 72.9 | 33.1 | -418.7 |
| EBIT growth | -746.1% | -43.0% | 31.4% | 16.6% | 20.0% | 120.6% | -107.9% | -459.0% |
| EBIT margin | -812.2% | 34.0% | 42.2% | 28.6% | 26.6% | 24.7% | 12.2% | -75.1% |
| Interest expense | 108.3 | 87.0 | 86.6 | 74.1 | 61.1 | 40.6 | 41.0 | 54.0 |
| Interest expense | 108.3 | 87.0 | 86.6 | 74.1 | 61.1 | 40.6 | 41.0 | 54.0 |
| Other income (expense), net [+] | 601.5 | 10.7 | -47.4 | -28.0 | -26.4 | -32.4 | 7.9 | 92.8 |
| Gain (loss) on debt retirement | -67.5 | 2.3 | 58.5 | 1.5 | 1.4 | | 8.5 | |
| Pre-tax income | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | -379.9 |
| Income taxes | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | -1.3 | -14.4 | 11.2 |
| Tax rate | | | | | | | | |
| Earnings from continuing ops | -505.0 | 84.6 | -28.4 | -49.5 | 62.3 | 67.5 | -47.3 | -391.1 |
| Earnings from discontinued ops | | | | | | | | -391.1 |
| Net income | -505.0 | 84.6 | -28.4 | -49.5 | 62.3 | 67.5 | -47.3 | -391.1 |
| Net margin | -831.7% | 37.7% | -9.0% | -13.9% | 19.0% | 22.9% | -17.5% | -70.1% |
| |
| Basic EPS [+] | | | | | $1.07 | $1.29 | ($0.93) | ($7.75) |
| Growth | | | | | -17.0% | -238.8% | -88.0% | 389.6% |
| Diluted EPS [+] | | | | | $1.07 | $1.27 | ($0.93) | ($7.75) |
| Growth | | | | | -16.0% | -236.8% | -88.0% | 389.6% |
| |
| |
| Shares outstanding (basic) [+] | | | | | 58.1 | 52.2 | 50.8 | 50.5 |
| Growth | | | | | 11.2% | 2.8% | 0.6% | 8.9% |
| Shares outstanding (diluted) [+] | | | | | 58.2 | 53.0 | 50.8 | 50.5 |
| Growth | | | | | 9.8% | 4.4% | 0.6% | 8.9% |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |