| In millions, except per share items | Sep-30-15 | Jun-30-15 | Mar-31-15 | Dec-31-14 | Sep-30-14 | Jun-30-14 | Mar-31-14 | Dec-31-13 |
| | 10-Q | 10-Q | 10-Q/A | 10-K | 10-Q | 10-Q | 10-Q/A | 10-K |
| Total revenues [+] | 53.1 | 63.8 | 74.2 | 83.5 | 82.7 | 80.1 | 78.1 | 72.3 |
| Natural gas midstream | 1.3 | 1.5 | 1.9 | | 2.1 | 2.1 | 2.1 | |
| Revenue growth | -35.8% | -20.3% | -4.9% | 15.5% | 18.0% | 22.8% | 37.6% | 31.5% |
| Cost of goods sold | 110.9 | 78.2 | 40.3 | 40.9 | 41.3 | 40.4 | 40.6 | 40.1 |
| Gross profit | -57.8 | -14.4 | 33.9 | 42.6 | 41.5 | 39.6 | 37.5 | 32.2 |
| Gross margin | -108.7% | -22.6% | 45.7% | 51.0% | 50.1% | 49.5% | 48.0% | 44.6% |
| Selling, general and administrative [+] | 12.1 | 12.9 | 13.4 | 13.9 | 15.3 | 15.6 | 16.4 | 16.0 |
| General and administrative | 12.1 | 12.9 | 13.4 | 13.9 | 15.3 | 15.6 | 16.4 | 16.0 |
| Other operating expenses | | | | 7.4 | | | | 7.3 |
| EBITDA [+] | -69.9 | -27.3 | 20.5 | 28.7 | 26.1 | 24.0 | 21.1 | 16.2 |
| EBITDA growth | -367.5% | -213.6% | -2.7% | 77.1% | 97.8% | 394.9% | -1112.1% | -399.9% |
| EBITDA margin | -131.5% | -42.8% | 27.7% | 34.4% | 31.6% | 30.0% | 27.1% | 22.4% |
| Depreciation and amortization | 28.1 | 29.2 | 29.3 | 28.9 | 28.8 | 28.5 | 27.8 | 27.4 |
| EBIT [+] | -98.0 | -56.5 | -8.8 | -0.2 | -2.7 | -4.5 | -6.7 | -11.1 |
| EBIT growth | 3555.7% | 1157.7% | 30.1% | -98.5% | -81.0% | -81.0% | -78.8% | -68.7% |
| EBIT margin | -184.4% | -88.6% | -11.8% | -0.2% | -3.2% | -5.6% | -8.6% | -15.4% |
| Non-recurring items [+] | -0.3 | -0.3 | -0.2 | -0.1 | 0.2 | 0.1 | 0.1 | 0.2 |
| Asset impairment | | 39.4 | | | | | | |
| Loss (gain) on sale of assets | -0.3 | -0.3 | -0.2 | -0.1 | -0.1 | -0.3 | -0.2 | -0.2 |
| Interest expense | 22.7 | 23.1 | 23.6 | 24.0 | 30.6 | 26.4 | 22.3 | 18.1 |
| Interest expense | 22.7 | 23.1 | 23.6 | 24.0 | 30.6 | 26.4 | 22.3 | 18.1 |
| Other income (expense), net [+] | 28.3 | 34.2 | 32.9 | 23.6 | 1.3 | -6.2 | 6.2 | 6.2 |
| Gain (loss) on derivative instruments | 7.2 | 10.2 | 8.8 | | -2.1 | -7.4 | 4.3 | 2.3 |
| Other | 0.3 | 0.3 | 0.3 | -8.3 | -8.3 | -7.3 | -7.3 | |
| Pre-tax income | -92.0 | -45.1 | 0.7 | -0.5 | -32.2 | -37.2 | -22.9 | -23.2 |
| Income taxes | 0.0 | 0.0 | 0.0 | 0.0 | 0.2 | 0.2 | 0.2 | 0.2 |
| Tax rate | 0.0% | 0.0% | 1.6% | -2.3% | -0.6% | -0.5% | -0.8% | |
| Net income | -87.7 | -40.8 | 5.1 | 3.9 | -21.4 | -30.3 | -19.6 | -23.4 |
| Net margin | -165.0% | -63.9% | 6.9% | 4.6% | -25.9% | -37.8% | -25.1% | -32.3% |
| |
| Basic EPS [+] | ($14.60) | ($8.00) | $1.21 | $1.15 | ($7.15) | ($3.58) | ($1.42) | ($1.25) |
| Growth | 104.3% | 123.4% | -185.1% | -191.7% | 385.7% | 11.3% | -75.8% | -79.0% |
| Diluted EPS [+] | ($14.58) | ($7.98) | $1.21 | $1.14 | ($7.13) | ($3.58) | ($1.42) | ($1.25) |
| Growth | 104.4% | 122.8% | -185.0% | -191.5% | 385.5% | 11.5% | -75.9% | -78.2% |
| |
| Shares outstanding (basic) [+] | 6.0 | 5.1 | 4.2 | 3.4 | 3.0 | 8.4 | 13.8 | 18.7 |
| Growth | 100.1% | -39.7% | -69.4% | -82.0% | -83.7% | -46.4% | 7.8% | 89.3% |
| Shares outstanding (diluted) [+] | 6.0 | 5.1 | 4.2 | 3.4 | 3.0 | 8.4 | 13.8 | 18.7 |
| Growth | 100.0% | -39.5% | -69.4% | -82.0% | -83.7% | -46.5% | 8.1% | 82.3% |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |