| 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 | 308.4 | 314.8 | 308.2 | 286.2 | 253.9 | 211.5 | 187.7 | 185.5 |
| Interest income on investments | 79.1 | 74.5 | 77.5 | 76.6 | 75.5 | 73.7 | 71.9 | 70.7 |
| | 387.4 | 389.3 | 385.7 | 362.7 | 329.5 | 285.2 | 259.6 | 256.2 |
| Interest expense: |
| Interest on deposits | 11.6 | 16.8 | 20.5 | 10.7 | 8.0 | 7.3 | 7.0 | 8.2 |
| | 13.0 | 20.9 | 26.6 | 17.7 | 13.8 | 11.3 | 11.2 | 11.8 |
| Net interest income | 374.4 | 368.4 | 359.2 | 345.1 | 315.7 | 273.9 | 248.4 | 244.4 |
| Provision for loan losses | -8.8 | 14.2 | 8.4 | 10.8 | 11.0 | 8.1 | 6.4 | 7.2 |
| Net interest income after provision for loan losses | 383.3 | 354.2 | 350.7 | 334.2 | 304.7 | 265.8 | 242.0 | 237.3 |
| Deposit and loan fees | | | | | | | 52.7 | 52.8 |
| Other non-interest income | 246.2 | 228.4 | 230.6 | 224.1 | 202.4 | 155.6 | 70.6 | 66.3 |
| Total non-interest income | 246.2 | 228.4 | 230.6 | 224.1 | 202.4 | 155.6 | 123.3 | 119.0 |
| Non-interest expenses | 388.1 | 376.5 | 372.0 | 345.3 | 347.1 | 266.8 | 233.1 | 247.8 |
| Pre-tax income before non-recurring items | 242.1 | 214.0 | 217.9 | 212.2 | 186.0 | 156.3 | 139.3 | 129.8 |
| Non-recurring items | 0.8 | 7.9 | 8.6 | -0.8 | 26.0 | 1.7 | 7.0 | 0.1 |
| Pre-tax income | 241.3 | 206.1 | 209.3 | 213.0 | 160.0 | 154.6 | 132.2 | 129.7 |
| Income taxes | 51.7 | 41.4 | 40.3 | 44.3 | 9.2 | 50.8 | 41.0 | 38.3 |
| Tax rate | 21.4% | 20.1% | 19.2% | 20.8% | 5.8% | 32.8% | 31.0% | 29.6% |
| Net income | 189.7 | 164.7 | 169.1 | 168.6 | 150.7 | 103.8 | 91.2 | 91.4 |
| Net margin | 30.1% | 28.3% | 29.1% | 30.2% | 29.7% | 24.6% | 25.0% | 25.6% |
| |
| Basic EPS | $3.51 | $3.11 | $3.27 | $3.30 | $3.09 | $2.35 | $2.23 | $2.25 |
| Diluted EPS | $3.49 | $3.09 | $3.24 | $3.26 | $3.05 | $2.33 | $2.20 | $2.23 |
| |
| Shares outstanding (basic) | 54.0 | 53.0 | 51.7 | 51.2 | 48.8 | 44.1 | 41.0 | 40.5 |
| Shares outstanding (diluted) | 54.4 | 53.3 | 52.2 | 51.7 | 49.5 | 44.5 | 41.4 | 41.0 |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |