| In millions, except per share items | Dec-31-18 | Sep-30-18 | Jun-30-18 | Mar-31-18 | Dec-31-17 | Sep-30-17 | Jun-30-17 | Mar-31-17 |
| | 10-K | 10-Q | 10-Q | 10-Q | 10-K | 10-Q | 10-Q | 10-Q |
| Other | | | | 212.4 | | | | 291.4 |
| Total revenues | 394.0 | 356.5 | 324.7 | 297.6 | 283.6 | 293.2 | 303.7 | 291.4 |
| Revenue growth | 38.9% | 21.6% | 6.9% | 2.1% | 4.7% | 11.7% | 10.0% | -6.3% |
| Cost of goods sold | 154.7 | 136.0 | 142.8 | 148.2 | 155.6 | 139.4 | 123.8 | 108.7 |
| Gross profit | 239.3 | 220.5 | 181.9 | 149.4 | 128.1 | 153.8 | 179.8 | 182.7 |
| Gross margin | 60.7% | 61.9% | 56.0% | 50.2% | 45.2% | 52.5% | 59.2% | 62.7% |
| Selling, general and administrative [+] | 43.1 | 53.7 | 56.3 | 48.0 | 43.3 | 35.1 | 36.6 | 56.4 |
| General and administrative [+] | 43.1 | 53.7 | 56.3 | 48.0 | 43.3 | 35.1 | 36.6 | 56.4 |
| General and administrative expenses | 27.9 | 38.1 | 42.0 | 34.3 | 30.2 | 23.1 | 23.8 | 47.1 |
| Operating taxes | 15.3 | 15.6 | 14.4 | 13.7 | 13.1 | 12.0 | 12.7 | |
| Equity in earnings | 0.2 | | | -4.3 | -4.2 | -6.6 | -7.8 | -8.2 |
| Other operating expenses | -138.5 | -52.4 | -50.3 | -48.9 | 74.3 | 33.8 | 46.7 | 110.5 |
| EBITDA [+] | 334.9 | 214.2 | 171.2 | 146.0 | 6.3 | 78.3 | 88.8 | 7.6 |
| EBITDA growth | 5216.6% | 173.6% | 92.8% | 1816.1% | -103.9% | -119.9% | -112.2% | -100.7% |
| EBITDA margin | 85.0% | 60.1% | 52.7% | 49.1% | 2.2% | 26.7% | 29.2% | 2.6% |
| Depreciation and amortization | 80.3 | 75.2 | 68.1 | 57.7 | 51.0 | 48.6 | 51.0 | 58.5 |
| EBIT [+] | 254.7 | 139.0 | 103.1 | 88.3 | -44.7 | 29.7 | 37.8 | -50.9 |
| EBIT growth | -669.2% | 368.6% | 173.0% | -273.5% | -81.2% | -106.0% | -104.4% | -95.8% |
| EBIT margin | 64.6% | 39.0% | 31.8% | 29.7% | -15.8% | 10.1% | 12.4% | -17.5% |
| Interest expense | 33.9 | 58.8 | 82.7 | 97.4 | 108.2 | 91.6 | 75.7 | 71.1 |
| Interest expense | 33.9 | 58.8 | 82.7 | 97.4 | 108.2 | 91.6 | 75.7 | 71.1 |
| Other income (expense), net [+] | -408.0 | -372.2 | -334.5 | -191.0 | 177.6 | 140.7 | 187.2 | 38.9 |
| Gain (loss) on debt retirement | | | | | | | -6.4 | -6.3 |
| Gain (loss) on derivative instruments | | | | 8.6 | 24.7 | 0.4 | 7.8 | |
| Change in fair value of warrants | 1.9 | 14.0 | 32.6 | 153.4 | 159.2 | 146.6 | 128.3 | |
| Other | 0.1 | 0.1 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Pre-tax income | -187.2 | -292.0 | -314.2 | -200.1 | 24.7 | 78.8 | 149.3 | -83.1 |
| Income taxes | -4.5 | -6.6 | -6.3 | -5.3 | 0.3 | 3.4 | 4.1 | 3.8 |
| Tax rate | 2.4% | 2.3% | 2.0% | 2.6% | 1.2% | | 2.8% | -4.6% |
| Net income | -182.7 | -285.4 | -307.9 | -194.9 | 24.4 | 75.4 | 145.2 | -86.9 |
| Net margin | -46.4% | -80.0% | -94.8% | -65.5% | 8.6% | 25.7% | 47.8% | -29.8% |
| |
| Basic EPS [+] | ($8.42) | ($13.21) | ($13.98) | ($9.04) | $1.17 | $3.75 | $7.66 | ($4.66) |
| Growth | -817.8% | -452.2% | -282.4% | 94.2% | -143.5% | -222.2% | -270.4% | -2.5% |
| Diluted EPS [+] | ($8.42) | ($13.21) | ($13.98) | ($9.02) | $1.17 | $3.74 | $7.63 | ($4.65) |
| Growth | -819.6% | -453.1% | -283.1% | 94.1% | -143.4% | -221.9% | -269.8% | -2.6% |
| |
| Shares outstanding (basic) [+] | 21.7 | 21.6 | 22.0 | 21.6 | 20.8 | 20.1 | 18.9 | 18.7 |
| Growth | 4.5% | 7.4% | 16.3% | 15.4% | -75.2% | -75.9% | -87.1% | -91.1% |
| Shares outstanding (diluted) [+] | 21.7 | 21.6 | 22.0 | 21.6 | 20.8 | 20.2 | 19.0 | 18.7 |
| Growth | 4.2% | 7.2% | 15.8% | 15.5% | -75.1% | -75.9% | -87.1% | -91.1% |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |