Financial Summary (All financials)
| In millions, except per share items | Dec-31-17 | Dec-31-16 | Dec-31-15 | Dec-31-14 | Dec-31-13 | Dec-31-12 | Dec-31-11 | Dec-31-10 |
| Revenues | 440.4 | 429.4 | 416.5 | 408.2 | 415.6 | 421.9 | 430.0 | 426.1 |
| Revenue growth | 2.6% | 3.1% | 2.0% | -1.8% | -1.5% | -1.9% | 0.9% | 27.3% |
| Cost of goods sold | 195.1 | 186.0 | 182.9 | 178.3 | 183.8 | 191.9 | 173.4 | 164.3 |
| Gross profit | 245.3 | 243.4 | 233.7 | 229.9 | 231.9 | 229.9 | 256.6 | 261.8 |
| Gross margin | 55.7% | 56.7% | 56.1% | 56.3% | 55.8% | 54.5% | 59.7% | 61.4% |
| Sales and marketing | 109.4 | 103.5 | 99.6 | 95.5 | 102.2 | 100.8 | 104.0 | 86.4 |
| General and administrative | 41.7 | 42.4 | 35.5 | 37.1 | 42.7 | 39.6 | 37.8 | 43.2 |
| EBITA | 64.5 | 68.8 | 70.3 | 67.6 | 59.9 | 59.4 | 80.1 | 95.0 |
| EBITA margin | 14.6% | 16.0% | 16.9% | 16.6% | 14.4% | 14.1% | 18.6% | 22.3% |
| Amortization of intangibles | 0.7 | 0.6 | | | | | | |
| EBIT | 63.8 | 68.2 | 70.3 | 67.6 | 59.9 | 59.4 | 80.1 | 95.0 |
| EBIT margin | 14.5% | 15.9% | 16.9% | 16.6% | 14.4% | 14.1% | 18.6% | 22.3% |
| Pre-tax income | 45.9 | 68.4 | 70.2 | 67.3 | 59.7 | 59.3 | 81.9 | 97.0 |
| Income taxes | 22.5 | 26.0 | 26.6 | 25.5 | 24.5 | 23.0 | 30.4 | 35.9 |
| Tax rate | 49.0% | 38.0% | 37.8% | 37.9% | 41.0% | 38.8% | 37.1% | 37.0% |
| Net income | 23.5 | 43.0 | 40.2 | 37.9 | 35.2 | 36.5 | 52.1 | 61.3 |
| Net margin | 5.3% | 10.0% | 9.6% | 9.3% | 8.5% | 8.6% | 12.1% | 14.4% |
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| Diluted EPS | $1.96 | $3.58 | $3.55 | $3.34 | $2.80 | $2.76 | $3.40 | $3.64 |
| Shares outstanding (diluted) | 12.0 | 11.9 | 12.3 | 12.5 | 12.6 | 13.2 | 15.3 | 16.8 |
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| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |
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