| 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 |
| Interest income on investments | 70.0 | 62.8 | 57.1 | 49.6 | 61.8 | 82.1 | 109.2 | 149.7 |
| Total interest income | 454.9 | 473.4 | 492.4 | 518.4 | 600.5 | 695.2 | 855.3 | 997.5 |
| Interest expense: |
| Interest on deposits | 26.9 | 37.3 | 51.4 | 62.6 | 98.0 | 138.0 | 191.0 | 315.4 |
| Interest on borrowings | | | | 113.9 | 154.2 | 181.8 | 230.7 | 253.4 |
| | 123.3 | 133.1 | 150.1 | 176.5 | 252.2 | 319.8 | 421.7 | 568.8 |
| Net interest income | 331.6 | 340.3 | 342.3 | 341.9 | 348.3 | 375.4 | 433.6 | 428.8 |
| Provision for loan losses | -9.2 | -12.1 | -9.5 | 19.6 | 40.4 | 37.0 | 115.0 | 200.0 |
| Net interest income after provision for loan losses | 340.8 | 352.4 | 351.8 | 322.3 | 307.9 | 338.4 | 318.6 | 228.8 |
| Deposit and loan fees | 28.6 | 32.8 | 35.7 | 36.8 | 39.5 | 46.1 | 51.2 | 57.9 |
| Gain on sale of investments, net | | | | 2.1 | 8.5 | | | 7.4 |
| Other non-interest income | 22.4 | 21.8 | 19.1 | 30.7 | 25.2 | 22.8 | 30.0 | 14.5 |
| Total non-interest income | 51.0 | 54.6 | 54.8 | 69.6 | 73.2 | 68.9 | 81.2 | 79.8 |
| Non-interest expenses | 279.5 | 289.1 | 284.4 | 287.5 | 300.1 | 301.4 | 284.9 | 270.1 |
| Pre-tax income | 112.3 | 117.9 | 122.2 | 104.3 | 81.0 | 105.9 | 114.8 | 38.5 |
| Income taxes | 40.7 | 29.8 | 26.3 | 37.7 | 27.9 | 38.7 | 41.1 | 10.8 |
| Tax rate | 36.3% | 25.3% | 21.5% | 36.2% | 34.4% | 36.5% | 35.8% | 28.1% |
| Net income | 62.8 | 79.3 | 87.1 | 59.4 | 53.1 | 67.2 | 73.7 | 27.7 |
| Net margin | 16.0% | 19.5% | 21.4% | 15.2% | 13.9% | 16.5% | 18.4% | 9.0% |
| |
| Basic EPS | $0.63 | $0.80 | $0.89 | $0.61 | $0.56 | $0.72 | $0.80 | $0.31 |
| Diluted EPS | $0.63 | $0.79 | $0.89 | $0.61 | $0.56 | $0.72 | $0.80 | $0.31 |
| |
| Shares outstanding (basic) | 100.4 | 99.6 | 98.4 | 97.1 | 95.5 | 93.3 | 91.8 | 90.6 |
| Shares outstanding (diluted) | 100.4 | 100.0 | 98.4 | 97.1 | 95.5 | 93.3 | 91.8 | 90.6 |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |