| In millions, except per share items | Dec-31-17 | Dec-31-16 | Dec-31-15 | Dec-31-14 | Dec-31-13 | Dec-31-12 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Interest income: |
| Interest income on loans | 295.4 | 258.3 | 196.1 | 158.7 | 108.5 | 112.7 |
| Interest income on investments | 78.2 | 60.7 | 52.7 | 44.5 | 36.5 | 36.0 |
| | 374.1 | 319.3 | 249.0 | 203.4 | 145.3 | 148.8 |
| Interest on deposits | 66.1 | 44.3 | 26.1 | 22.8 | 18.5 | 22.7 |
| Total interest expense | 78.6 | 51.6 | 31.2 | 28.3 | 22.9 | 27.5 |
| Net interest income | 295.5 | 267.7 | 217.8 | 175.2 | 122.3 | 121.3 |
| Provision for loan losses | 9.4 | 7.7 | 6.8 | 10.2 | 2.9 | 26.1 |
| Net interest income after provision for loan losses | 286.0 | 260.1 | 211.0 | 164.9 | 119.4 | 95.2 |
| Deposit and loan fees | 3.7 | 3.5 | 3.2 | 3.0 | 2.4 | 2.1 |
| Gain on sale of investments, net | 1.9 | 1.8 | 1.9 | 12.1 | 8.7 | 2.3 |
| Other non-interest income | 29.3 | 24.4 | -30.4 | 28.6 | 14.6 | 14.9 |
| Total non-interest income | 35.0 | 29.7 | -25.3 | 43.7 | 25.6 | 19.3 |
| Non-interest expenses | 141.7 | 134.0 | 126.6 | 145.6 | 104.3 | 121.7 |
| Pre-tax income | 179.4 | 155.8 | 59.0 | 36.3 | 26.0 | -7.2 |
| Income taxes | 54.2 | 55.9 | 5.7 | 14.0 | 8.9 | -2.4 |
| Tax rate | 30.2% | 35.9% | 9.6% | 38.4% | 34.1% | 33.2% |
| Net income | 125.2 | 99.9 | 53.4 | 22.4 | 17.2 | -4.8 |
| Net margin | 39.0% | 34.5% | 28.8% | 10.7% | 11.8% | -4.2% |
| |
| Basic EPS | $2.92 | $2.45 | $1.29 | $0.59 | $0.46 | ($0.13) |
| Diluted EPS | $2.71 | $2.31 | $1.23 | $0.58 | $0.46 | ($0.13) |
| |
| Shares outstanding (basic) | 42.9 | 40.7 | 41.3 | 38.1 | 36.9 | 37.0 |
| Shares outstanding (diluted) | 46.1 | 43.2 | 43.3 | 38.3 | 36.9 | 37.0 |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |