| In millions, except per share items | Dec-31-16 | Dec-31-15 | Dec-31-14 | Dec-31-13 | Dec-31-12 | Dec-31-11 | Dec-31-10 | Dec-31-09 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Total revenues | 705.0 | 636.4 | 580.4 | 515.3 | 469.9 | 558.8 | 534.5 | 438.5 |
| Revenue growth | 10.8% | 9.6% | 12.6% | 9.7% | -15.9% | 4.5% | 21.9% | 17.4% |
| Cost of goods sold | 266.7 | 247.3 | 224.1 | 209.7 | 216.4 | 201.7 | 187.8 | 165.8 |
| Gross profit | 438.4 | 389.1 | 356.4 | 305.6 | 253.5 | 357.1 | 346.7 | 272.8 |
| Gross margin | 62.2% | 61.1% | 61.4% | 59.3% | 54.0% | 63.9% | 64.9% | 62.2% |
| Selling, general and administrative [+] | 237.1 | 229.6 | 230.3 | 221.2 | 225.3 | 215.6 | 206.4 | 201.7 |
| Sales and marketing | 146.0 | 138.0 | 136.2 | 128.0 | 127.7 | 124.3 | 120.9 | 112.1 |
| General and administrative | 91.1 | 91.6 | 94.1 | 93.2 | 97.6 | 91.3 | 85.5 | 89.6 |
| Other operating expenses | 30.5 | 31.2 | 24.8 | 25.6 | 19.9 | 6.8 | 24.3 | 31.7 |
| EBITDA [+] | 170.8 | 128.2 | 101.3 | 58.7 | 8.3 | 134.7 | 116.0 | 39.4 |
| EBITDA growth | 33.2% | 26.6% | 72.5% | 608.6% | -93.8% | 16.0% | 194.8% | -25.6% |
| EBITDA margin | 24.2% | 20.2% | 17.5% | 11.4% | 1.8% | 24.1% | 21.7% | 9.0% |
| Depreciation | 27.7 | 27.2 | 27.0 | 24.3 | 24.5 | 24.2 | 24.2 | 21.9 |
| EBITA | 143.2 | 101.0 | 74.3 | 34.4 | -16.2 | 110.5 | 91.9 | 17.5 |
| EBITA margin | 20.3% | 15.9% | 12.8% | 6.7% | -3.5% | 19.8% | 17.2% | 4.0% |
| Amortization of intangibles | 3.1 | 3.3 | 2.8 | 2.3 | 3.9 | 2.6 | 3.4 | 6.3 |
| EBIT [+] | 140.0 | 97.7 | 71.5 | 32.1 | -20.1 | 107.9 | 88.5 | 11.2 |
| EBIT growth | 43.3% | 36.7% | 122.6% | -259.7% | -118.6% | 21.9% | 691.6% | -54.3% |
| EBIT margin | 19.9% | 15.4% | 12.3% | 6.2% | -4.3% | 19.3% | 16.5% | 2.5% |
| Non-recurring items [+] | | | | | 7.6 | 0.1 | 0.8 | 13.4 |
| Asset impairment | | | | | | | | 11.1 |
| Interest expense, net [+] | 22.0 | 23.1 | 24.6 | 22.8 | 23.2 | 20.5 | 7.5 | 14.4 |
| Interest expense | 24.5 | 23.1 | 24.7 | 22.8 | 23.3 | 20.6 | 11.5 | 23.5 |
| Interest income | 2.5 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 3.9 | 9.1 |
| Other income (expense), net [+] | 28.8 | 25.2 | 24.8 | 19.4 | 25.7 | 23.1 | -7.9 | 42.8 |
| Gain (loss) on investments | | 0.1 | | | 8.1 | 18.5 | -9.5 | |
| Gain (loss) on debt retirement | | 2.1 | | 4.9 | | | 23.3 | -10.1 |
| Other non-ooperating expenses | 1.7 | 4.1 | | 1.4 | 2.3 | 2.3 | 0.1 | |
| Other | 1.7 | 4.1 | | 1.4 | 2.3 | 2.3 | 0.1 | |
| Pre-tax income | 146.8 | 99.9 | 71.6 | 28.8 | -25.2 | 110.4 | 72.3 | 26.2 |
| Income taxes | 55.5 | 35.8 | 30.7 | 13.6 | -2.1 | 46.2 | 20.0 | -45.5 |
| Tax rate | 37.8% | 35.9% | 42.9% | 47.4% | 8.5% | 41.8% | 27.7% | |
| Minority interest | | | | | | | | -3.7 |
| Earnings from continuing ops | 91.3 | 64.0 | 39.8 | 15.1 | -25.8 | 53.8 | 50.5 | 71.7 |
| Earnings from discontinued ops | | | 1.1 | | 2.7 | 10.4 | 1.8 | 49.4 |
| Net income | 91.3 | 64.0 | 40.9 | 15.1 | -23.1 | 64.2 | 52.3 | 121.0 |
| Net margin | 13.0% | 10.1% | 7.1% | 2.9% | -4.9% | 11.5% | 9.8% | 27.6% |
| |
| Basic EPS [+] | $2.41 | $1.75 | $1.05 | $0.32 | ($0.51) | $0.94 | $0.91 | $1.51 |
| Growth | 37.9% | 66.4% | 225.8% | -163.6% | -154.1% | 2.8% | -39.7% | -74.8% |
| Diluted EPS [+] | $1.69 | $1.22 | $0.87 | $0.31 | ($0.51) | $0.91 | $0.81 | $1.24 |
| Growth | 38.6% | 39.3% | 179.5% | -161.5% | -155.8% | 12.2% | -34.7% | -73.9% |
| |
| Shares outstanding (basic) [+] | 37.9 | 36.6 | 37.9 | 46.8 | 50.9 | 57.4 | 55.3 | 47.4 |
| Growth | 3.4% | -3.4% | -19.1% | -7.9% | -11.3% | 3.7% | 16.7% | -39.0% |
| Shares outstanding (diluted) [+] | 54.2 | 52.7 | 45.6 | 48.4 | 50.9 | 59.1 | 62.2 | 57.7 |
| Growth | 2.9% | 15.4% | -5.8% | -4.8% | -14.0% | -5.0% | 7.8% | -41.0% |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |