Financial Summary (All financials)
| In millions, except per share items | Apr-30-15 | Apr-30-14 | Apr-30-13 | Apr-30-12 | Apr-30-11 | Apr-30-10 | Apr-30-09 | Apr-30-08 |
| Revenues | 1,378.8 | 1,453.9 | 1,407.9 | 897.7 | 956.5 | 603.0 | 507.3 | 799.6 |
| Revenue growth | -5.2% | 3.3% | 56.8% | -6.1% | 58.6% | 18.9% | -36.6% | 51.4% |
| Cost of goods sold | 1,075.3 | 1,178.2 | 1,163.8 | 649.7 | 678.5 | 457.6 | 389.4 | 593.4 |
| Gross profit | 303.4 | 275.7 | 244.1 | 248.0 | 278.0 | 145.3 | 117.9 | 206.3 |
| Gross margin | 22.0% | 19.0% | 17.3% | 27.6% | 29.1% | 24.1% | 23.2% | 25.8% |
| Selling, general and administrative | 82.5 | 73.3 | 73.0 | 63.9 | 62.8 | 61.5 | 62.6 | 62.2 |
| Research and development | | | | | | | | |
| EBIT | 80.4 | 77.9 | 52.5 | 67.2 | 128.7 | 6.5 | -29.6 | 64.7 |
| EBIT margin | 5.8% | 5.4% | 3.7% | 7.5% | 13.5% | 1.1% | -5.8% | 8.1% |
| Pre-tax income | 81.9 | 104.9 | 50.2 | 72.6 | 128.7 | 10.3 | -38.2 | 76.1 |
| Income taxes | -11.5 | 9.9 | 7.3 | 6.8 | 4.2 | 3.9 | -0.2 | 11.0 |
| Tax rate | | 9.5% | 14.5% | 9.4% | 3.3% | 37.8% | 0.4% | 14.5% |
| Net income | 93.4 | 95.0 | 42.9 | 65.8 | 124.5 | 6.7 | -38.1 | 65.0 |
| Net margin | 6.8% | 6.5% | 3.0% | 7.3% | 13.0% | 1.1% | -7.5% | 8.1% |
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| Diluted EPS | $1.57 | $1.70 | $0.80 | $1.13 | $2.11 | $0.13 | ($0.75) | $1.19 |
| Shares outstanding (diluted) | 59.5 | 56.0 | 53.7 | 58.2 | 59.1 | 52.7 | 50.5 | 54.8 |
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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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