| In millions, except per share items | Dec-31-21 | Dec-31-20 | Dec-31-19 | Dec-31-18 | Dec-31-17 | Dec-31-16 | Dec-31-15 | Dec-31-14 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Interest income: |
| Interest income on loans | 381.4 | 369.8 | 411.5 | 294.3 | 253.1 | 224.2 | 214.7 | 197.0 |
| Interest income on investments | 30.5 | 30.1 | 32.4 | 26.5 | 22.5 | 20.9 | 20.1 | |
| Interest income on repurchase agreements | 2.5 | 0.8 | 2.2 | 2.7 | 1.4 | 1.2 | 0.3 | 0.3 |
| | 415.3 | 402.1 | 447.0 | 323.7 | 277.2 | 246.6 | 235.5 | 216.5 |
| Interest expense: |
| Interest on deposits | 8.3 | 27.3 | 41.2 | 20.0 | 12.7 | 11.1 | 11.6 | 11.0 |
| | 13.7 | 34.3 | 107.9 | 51.3 | 36.9 | 37.8 | 41.4 | 41.0 |
| Net interest income | 401.6 | 367.7 | 393.1 | 298.2 | 258.9 | 227.8 | 214.9 | 196.0 |
| Provision for loan losses | 18.2 | 52.5 | 6.0 | 4.8 | 3.0 | 6.1 | 1.5 | 10.4 |
| Net interest income after provision for loan losses | 383.4 | 315.2 | 387.1 | 293.4 | 255.9 | 221.8 | 213.4 | 185.6 |
| Other non-interest income | 105.9 | 111.4 | 115.3 | 88.5 | 83.0 | 82.4 | 75.9 | 69.9 |
| Total non-interest income | 105.9 | 111.4 | 115.3 | 88.5 | 83.0 | 82.4 | 75.9 | 69.9 |
| Non-interest expenses | 332.5 | 273.8 | 284.3 | 226.0 | 204.4 | 192.1 | 197.1 | 171.8 |
| Pre-tax income before non-recurring items | 197.5 | 153.5 | 244.5 | 167.1 | 137.9 | 112.1 | 92.2 | 83.7 |
| Non-recurring items | 40.8 | 0.7 | 26.4 | 11.2 | 3.4 | | | |
| Pre-tax income | 156.7 | 152.8 | 218.1 | 155.9 | 134.5 | 112.1 | 92.2 | 83.7 |
| Income taxes | 35.7 | 31.7 | 52.9 | 34.3 | 47.3 | 35.4 | 27.2 | 23.9 |
| Tax rate | 22.8% | 20.7% | 24.3% | 22.0% | 35.2% | 31.6% | 29.5% | 28.5% |
| Net income | 121.0 | 121.2 | 165.2 | 121.6 | 87.2 | 76.6 | 65.0 | 59.8 |
| Net margin | 24.7% | 28.4% | 32.9% | 31.8% | 25.7% | 25.2% | 22.5% | 23.4% |
| |
| Basic EPS | $3.47 | $3.64 | $5.03 | $4.41 | $3.19 | $2.90 | $2.51 | $2.50 |
| Diluted EPS | $3.47 | $3.64 | $5.03 | $4.40 | $3.19 | $2.90 | $2.50 | $2.49 |
| |
| Shares outstanding (basic) | 34.9 | 33.3 | 32.8 | 27.6 | 27.3 | 26.4 | 25.9 | 23.9 |
| Shares outstanding (diluted) | 34.9 | 33.3 | 32.9 | 27.7 | 27.4 | 26.5 | 26.0 | 24.0 |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |