| In millions, except per share items | Dec-31-20 | Dec-31-19 | Dec-31-18 | Dec-31-17 | Dec-31-16 | Dec-31-15 | Dec-31-14 | Dec-31-13 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Total revenues | 683.0 | 365.6 | 294.5 | 348.2 | 266.3 | 192.7 | 96.1 | 102.7 |
| Revenue growth | 86.8% | 24.2% | -15.4% | 30.8% | 38.2% | 100.4% | -6.3% | 12.6% |
| Cost of goods sold | 311.8 | 152.8 | 129.3 | 151.7 | 85.6 | 72.7 | 44.2 | 37.1 |
| Gross profit | 371.1 | 212.8 | 165.1 | 196.5 | 180.7 | 120.0 | 51.9 | 65.6 |
| Gross margin | 54.3% | 58.2% | 56.1% | 56.4% | 67.9% | 62.3% | 54.0% | 63.9% |
| Selling, general and administrative [+] | 118.8 | 78.4 | 71.4 | 66.2 | 47.7 | 41.8 | 31.3 | 27.4 |
| Sales and marketing | 61.3 | 47.7 | 43.1 | 42.4 | 26.5 | 21.5 | 15.1 | 15.7 |
| General and administrative | 57.5 | 30.7 | 28.3 | 23.8 | 21.2 | 20.3 | 16.2 | 11.6 |
| Research and development | 269.1 | 183.9 | 167.9 | 200.5 | 108.0 | 87.8 | 56.5 | 50.5 |
| Other operating expenses | | | | | -78.5 | | | |
| EBITDA [+] | 110.8 | 47.2 | 8.6 | 7.7 | 134.7 | 17.3 | -21.8 | -4.8 |
| EBITDA growth | 134.6% | 452.1% | 11.8% | -94.3% | 676.8% | -179.6% | 354.4% | 58.5% |
| EBITDA margin | 16.2% | 12.9% | 2.9% | 2.2% | 50.6% | 9.0% | -22.7% | -4.7% |
| Depreciation | 35.9 | 27.1 | 20.2 | 20.6 | 17.0 | 14.2 | 10.9 | 7.5 |
| EBITA | 74.9 | 20.1 | -11.7 | -13.0 | 117.7 | 3.2 | -32.7 | -12.3 |
| EBITA margin | 11.0% | 5.5% | -4.0% | -3.7% | 44.2% | 1.7% | -34.0% | -12.0% |
| Amortization of intangibles | 91.7 | 69.6 | 62.5 | 57.2 | 14.2 | 12.7 | 3.2 | |
| EBIT [+] | -16.8 | -49.4 | -74.2 | -70.2 | 103.5 | -9.5 | -35.9 | -12.3 |
| EBIT growth | -66.0% | -33.3% | 5.6% | -167.8% | -1184.6% | -73.4% | 191.8% | 55.1% |
| EBIT margin | -2.5% | -13.5% | -25.2% | -20.2% | 38.9% | -5.0% | -37.3% | -12.0% |
| Non-recurring items [+] | | | | | 78.5 | | | |
| Loss (gain) on sale of assets | | | | | 78.5 | | | |
| Interest expense | 35.2 | 34.9 | 32.2 | 29.8 | 17.4 | 0.8 | | |
| Interest expense | 35.2 | 34.9 | 32.2 | 29.8 | 17.4 | 0.8 | | |
| Other income (expense), net [+] | -3.2 | 11.9 | 2.4 | 4.0 | 3.9 | 0.2 | 0.5 | 0.9 |
| Gain (loss) on debt retirement | -13.5 | | | | | | | |
| Other | 10.3 | 11.9 | 2.4 | 4.0 | 3.9 | 0.2 | 0.5 | 0.9 |
| Pre-tax income | -55.3 | -72.5 | -104.0 | -96.1 | 11.5 | -10.1 | -35.4 | -11.4 |
| Income taxes | 4.5 | 0.4 | -8.2 | -21.2 | -15.1 | 5.9 | 1.1 | 1.8 |
| Tax rate | | | 7.9% | 22.0% | | | | |
| Net income | -59.7 | -72.9 | -95.8 | -74.9 | 99.5 | -13.6 | -22.6 | -13.2 |
| Net margin | -8.7% | -19.9% | -32.5% | -21.5% | 37.4% | -7.0% | -23.5% | -12.8% |
| |
| Basic EPS [+] | ($1.20) | ($1.61) | ($2.19) | ($1.78) | $0.65 | ($0.41) | ($1.12) | ($0.45) |
| Growth | -25.7% | -26.4% | 23.4% | -371.8% | -258.0% | -63.0% | 150.0% | -38.7% |
| Diluted EPS [+] | ($1.20) | ($1.61) | ($2.19) | ($1.78) | $0.60 | ($0.41) | ($1.12) | ($0.45) |
| Growth | -25.7% | -26.4% | 23.4% | -395.6% | -245.2% | -63.0% | 150.0% | -38.7% |
| |
| Shares outstanding (basic) [+] | 49.9 | 45.2 | 43.7 | 42.2 | 40.6 | 38.6 | 32.7 | 29.5 |
| Growth | 10.3% | 3.5% | 3.6% | 3.9% | 5.1% | 18.0% | 10.9% | 3.9% |
| Shares outstanding (diluted) [+] | 49.9 | 45.2 | 43.7 | 42.2 | 44.1 | 38.6 | 32.7 | 29.5 |
| Growth | 10.3% | 3.5% | 3.6% | -4.4% | 14.4% | 18.0% | 10.9% | 3.9% |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |