| In millions, except per share items | Dec-31-15 | Dec-31-14 | Dec-31-13 | Dec-31-12 | Dec-31-11 | Dec-31-10 | Dec-31-09 | Dec-31-08 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Interest income: |
| Interest income on loans | 647.8 | 682.3 | 635.9 | 410.3 | 438.4 | 433.8 | 340.2 | 436.2 |
| Interest income on investments | 151.7 | 150.2 | 129.9 | 100.4 | 99.9 | 108.6 | 119.3 | 117.6 |
| | 799.5 | 832.5 | 765.8 | 510.7 | 538.3 | 542.4 | 459.5 | 553.8 |
| Interest on borrowings | 4.7 | 5.2 | 3.9 | 4.4 | 6.3 | 14.0 | 27.3 | 27.6 |
| Total interest expense | 58.2 | 56.9 | 55.0 | 38.9 | 58.6 | 83.9 | 110.8 | 197.6 |
| Net interest income | 741.3 | 775.6 | 710.8 | 471.8 | 479.6 | 458.5 | 348.8 | 356.2 |
| Provision for loan losses | 45.1 | 52.3 | 33.7 | 54.7 | 74.4 | 88.2 | 98.4 | 58.6 |
| Net interest income after provision for loan losses | 696.2 | 723.3 | 677.1 | 417.1 | 405.2 | 370.3 | 250.3 | 297.6 |
| Deposit and loan fees | 66.5 | 71.5 | 74.4 | 57.7 | 64.1 | 65.9 | 63.4 | 62.9 |
| Credit and debit card fees | 54.6 | 52.7 | 50.5 | 43.6 | 49.5 | 49.0 | 46.5 | 47.1 |
| Gain on sale of investments, net | 1.0 | 0.2 | -2.8 | 3.8 | 11.1 | 0.9 | 6.0 | 2.1 |
| Other non-interest income | 146.9 | 157.2 | 148.2 | 118.5 | 100.1 | 96.8 | 94.4 | 89.4 |
| Total non-interest income | 269.0 | 281.5 | 270.3 | 223.6 | 224.8 | 212.6 | 210.3 | 201.4 |
| Non-interest expenses | 638.7 | 664.9 | 684.3 | 450.9 | 464.3 | 442.9 | 352.8 | 330.6 |
| Pre-tax income before non-recurring items | 328.0 | 341.7 | 263.2 | 189.8 | 165.7 | 140.0 | 107.8 | 168.4 |
| Non-recurring items | 1.5 | 1.8 | | | | | | |
| Pre-tax income | 326.5 | 339.9 | 263.2 | 189.8 | 165.7 | 140.0 | 107.8 | 168.4 |
| Income taxes | 97.0 | 101.9 | 79.5 | 55.7 | 46.1 | 37.1 | 25.6 | 48.9 |
| Tax rate | 29.7% | 30.0% | 30.2% | 29.3% | 27.8% | 26.5% | 23.8% | 29.0% |
| Net income | 221.8 | 230.1 | 176.8 | 134.1 | 119.6 | 102.9 | 75.8 | 119.5 |
| Net margin | 23.0% | 22.9% | 18.7% | 20.9% | 19.0% | 17.7% | 16.5% | 23.9% |
| |
| Basic EPS | $1.34 | $1.39 | $1.18 | $1.22 | $1.10 | $1.02 | $0.90 | $1.46 |
| Diluted EPS | $1.33 | $1.39 | $1.18 | $1.22 | $1.10 | $1.02 | $0.90 | $1.46 |
| |
| Shares outstanding (basic) | 165.7 | 165.3 | 149.6 | 109.5 | 109.1 | 101.2 | 84.7 | 82.1 |
| Shares outstanding (diluted) | 166.1 | 166.1 | 150.4 | 109.5 | 109.1 | 101.2 | 84.7 | 82.1 |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |