| In millions, except per share items | Dec-31-22 | Dec-31-21 | Dec-31-20 | Dec-31-19 | Dec-31-18 | Dec-31-17 | Dec-31-16 | Dec-31-15 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K/A |
| Interest income: |
| Interest income on loans | 200.3 | 193.8 | 186.1 | 182.7 | 159.5 | 144.2 | 132.0 | 118.9 |
| Interest income on investments | 31.2 | 24.4 | 25.7 | 32.5 | 38.2 | 37.8 | 34.8 | 37.0 |
| | 232.7 | 218.8 | 212.4 | 216.4 | 198.3 | 182.6 | 167.1 | 156.0 |
| Interest expense: |
| | 17.1 | 7.7 | 14.7 | 32.3 | 25.3 | 14.9 | 9.2 | 6.5 |
| Net interest income | 215.6 | 211.0 | 197.7 | 184.1 | 173.0 | 167.7 | 158.0 | 149.5 |
| Provision for loan losses | -1.3 | -14.6 | 42.1 | 6.3 | | | | |
| Net interest income after provision for loan losses | 216.8 | 225.6 | 155.6 | 177.7 | 173.0 | 167.7 | 158.0 | 149.5 |
| Deposit and loan fees | 8.2 | 6.4 | 6.2 | 8.4 | 8.4 | 8.5 | 7.9 | 11.5 |
| Gain on sale of investments, net | | | | | | | | -1.9 |
| Other non-interest income | 39.7 | 36.7 | 39.0 | 33.4 | 30.4 | 28.0 | 34.4 | 25.2 |
| Total non-interest income | 47.9 | 43.1 | 45.2 | 41.8 | 38.8 | 36.5 | 42.3 | 34.8 |
| Non-interest expenses | 166.0 | 163.0 | 151.7 | 141.6 | 134.7 | 131.1 | 132.5 | 127.0 |
| Equity in earnings | | | | | 0.2 | 0.6 | 0.7 | 0.6 |
| Pre-tax income before non-recurring items | 98.8 | 105.7 | 49.0 | 77.9 | 78.2 | 75.8 | 76.8 | 73.0 |
| Non-recurring items | | | | | | | 3.5 | |
| Pre-tax income | 98.8 | 105.7 | 49.0 | 77.9 | 78.2 | 75.8 | 73.3 | 73.0 |
| Income taxes | 24.8 | 25.8 | 11.8 | 19.6 | 18.8 | 34.6 | 26.3 | 27.1 |
| Tax rate | 25.2% | 24.4% | 24.0% | 25.2% | 24.0% | 45.6% | 35.9% | 37.1% |
| Net income | 73.9 | 79.9 | 37.3 | 58.3 | 59.5 | 41.2 | 47.0 | 45.9 |
| Net margin | 27.9% | 29.7% | 18.6% | 26.6% | 28.1% | 20.2% | 23.5% | 24.9% |
| |
| Basic EPS | $2.70 | $2.85 | $1.33 | $2.05 | $2.02 | $1.36 | $1.52 | $1.42 |
| Diluted EPS | $2.68 | $2.83 | $1.32 | $2.03 | $2.01 | $1.34 | $1.50 | $1.40 |
| |
| Shares outstanding (basic) | 27.4 | 28.0 | 28.1 | 28.5 | 29.4 | 30.4 | 31.0 | 32.2 |
| Shares outstanding (diluted) | 27.6 | 28.3 | 28.2 | 28.7 | 29.6 | 30.6 | 31.2 | 32.7 |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |