Overview Financials News + Filings Key Docs Charts Holdings Ownership Insiders
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| 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 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Revenue | 1,220.3 | 1,082.9 | 924.7 | 752.6 | 595.0 | 422.3 | 324.1 | 245.5 |
| Revenue growth | 12.7% | 17.1% | 22.9% | 26.5% | 40.9% | 30.3% | 32.0% | 30.2% |
| Cost of revenue | | | | | | | | |
| Gross profit | 641.8 | 549.4 | 462.5 | 383.9 | | | | |
| Gross margin | 52.6% | 50.7% | 50.0% | 51.0% | | | | |
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| Other operating expenses: | | | | | | | | |
| Selling and marketing | 252.2 | 256.6 | 237.3 | 196.8 | 149.5 | 104.3 | 79.8 | 52.7 |
| Research and development | 173.6 | 134.5 | 111.0 | 82.7 | 57.6 | 33.8 | 23.3 | 18.4 |
| General and administrative | 145.4 | 131.7 | 118.3 | 103.4 | 99.8 | 57.0 | 48.7 | 43.1 |
| Total other operating expenses | 571.2 | 522.8 | 466.6 | 382.9 | 589.2 | 387.6 | 291.3 | 221.9 |
| Operating income | 70.6 | 26.6 | -4.1 | 1.0 | 5.9 | 34.6 | 32.7 | 23.6 |
| Operating margin | 5.8% | 2.5% | -0.4% | 0.1% | 1.0% | 8.2% | 10.1% | 9.6% |
| Other expense | -6.7 | -5.6 | 51.7 | -4.8 | -3.6 | 0.9 | 0.6 | -0.5 |
| Income before income tax provision | 63.9 | 21.0 | 18.9 | -3.8 | 2.2 | 34.9 | 32.9 | 23.1 |
| Income tax provision | 10.8 | | 4.9 | -0.7 | -0.4 | 16.1 | 13.8 | 10.4 |
| Tax rate | 16.9% | 0.0% | 25.9% | 18.4% | | 46.3% | 42.1% | 45.0% |
| Net income | 53.1 | 21.0 | 14.0 | -3.1 | 2.6 | 18.7 | 19.0 | 12.7 |
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| Net income per share - Basic (in dollars per share) | $1.33 | $0.53 | $0.36 | ($0.08) | $0.07 | $0.52 | $0.54 | $0.37 |
| Net income per share - Diluted (in dollars per share) | $1.31 | $0.52 | $0.35 | ($0.08) | $0.07 | $0.50 | $0.53 | $0.36 |
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| Weighted average shares used in computing net income per share: | | | | | | | | |
| Basic (in shares) | 39.9 | 39.3 | 38.6 | 37.9 | 36.9 | 36.0 | 35.0 | 34.2 |
| Diluted (in shares) | 40.7 | 40.1 | 39.6 | 37.9 | 38.3 | 37.1 | 36.1 | 35.2 |
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