| In millions, except per share items | Dec-31-15 | Dec-31-14 | Dec-31-13 | Dec-31-12 | Dec-31-11 |
| | 10-K | 10-K | 10-K | 10-K | 10-K |
| Revenues | 284.8 | 231.6 | 177.4 | 127.5 | 92.3 |
| Revenue growth | 23.0% | 30.6% | 39.2% | 38.1% | |
| Cost of goods sold | 74.3 | 58.7 | 43.9 | 35.5 | 29.1 |
| Gross profit | 210.4 | 172.9 | 133.5 | 91.9 | 63.2 |
| Gross margin | 73.9% | 74.6% | 75.3% | 72.1% | 68.4% |
| Selling, general and administrative [+] | 150.9 | 121.7 | 93.0 | 72.2 | 51.7 |
| Sales and marketing | 96.9 | 78.9 | 56.6 | 41.1 | 33.4 |
| General and administrative | 54.0 | 42.8 | 36.4 | 31.0 | 18.3 |
| Research and development | 21.4 | 17.1 | 11.0 | 7.4 | 6.0 |
| Other operating expenses | -1.3 | -1.2 | | | -0.5 |
| EBITDA [+] | 67.6 | 56.8 | 44.8 | 24.3 | 13.5 |
| EBITDA growth | 19.0% | 26.9% | 84.6% | 79.1% | |
| EBITDA margin | 23.8% | 24.5% | 25.2% | 19.0% | 14.7% |
| Depreciation | 25.6 | 18.9 | 13.0 | 9.5 | 4.2 |
| EBITA | 42.1 | 37.9 | 31.8 | 14.7 | 9.3 |
| EBITA margin | 14.8% | 16.4% | 17.9% | 11.5% | 10.1% |
| Amortization of intangibles | 2.7 | 2.6 | 2.3 | 2.3 | 3.3 |
| EBIT [+] | 39.4 | 35.3 | 29.5 | 12.4 | 6.0 |
| EBIT growth | 11.5% | 19.8% | 138.2% | 107.5% | |
| EBIT margin | 13.8% | 15.3% | 16.6% | 9.7% | 6.5% |
| Interest expense | 0.9 | 0.7 | 2.0 | 2.1 | 2.4 |
| Interest expense | 0.9 | 0.7 | 2.0 | 2.1 | 2.4 |
| Other income (expense), net [+] | 3.4 | 0.8 | -1.1 | -1.0 | 0.2 |
| Gain (loss) on debt retirement | -0.1 | | | | |
| Gain (loss) on foreign currency transactions | 3.5 | 0.8 | | | 0.2 |
| Other | 0.0 | 0.0 | | | |
| Pre-tax income | 41.9 | 35.5 | 26.4 | 9.3 | 3.7 |
| Income taxes | 3.1 | 8.0 | -4.1 | 3.9 | 0.9 |
| Tax rate | 7.4% | 22.5% | | 41.9% | 23.2% |
| Earnings from continuing ops | 38.8 | 27.5 | 30.5 | 5.4 | 0.1 |
| Earnings from discontinued ops | | | | 0.0 | |
| Net income | 38.8 | 27.5 | 30.5 | 5.4 | 0.1 |
| Net margin | 13.6% | 11.9% | 17.2% | 4.2% | 0.1% |
| |
| Basic EPS [+] | $1.01 | $0.73 | $0.85 | $0.61 | $0.09 |
| Growth | 37.9% | -14.0% | 39.1% | 611.4% | |
| Diluted EPS [+] | $0.99 | $0.71 | $0.82 | $0.54 | $0.06 |
| Growth | 38.4% | -13.1% | 52.9% | 763.7% | |
| |
| Shares outstanding (basic) [+] | 38.4 | 37.5 | 35.7 | 8.8 | 1.5 |
| Growth | 2.4% | 4.9% | 304.9% | 489.3% | |
| Shares outstanding (diluted) [+] | 39.3 | 38.6 | 37.1 | 10.1 | 2.1 |
| Growth | 2.0% | 3.8% | 268.3% | 385.4% | |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |