| 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 | 356.6 | 377.4 | 397.6 | 293.3 | 214.1 | 193.0 | 185.7 | 181.6 |
| Interest income on investments | 17.7 | | | | | 67.9 | 72.2 | 68.4 |
| | 420.6 | 430.3 | 457.9 | 361.9 | 287.2 | 265.1 | 261.5 | 252.9 |
| Interest expense: |
| Interest on deposits | 5.3 | 12.6 | 17.1 | 9.8 | 6.0 | 6.0 | 5.3 | 5.0 |
| | 6.1 | 14.3 | 22.1 | 12.8 | 8.3 | 8.0 | 8.6 | 16.4 |
| Net interest income | 414.6 | 416.1 | 435.8 | 349.0 | 278.9 | 257.1 | 252.9 | 236.5 |
| Provision for loan losses | | 23.5 | | 1.5 | -8.5 | -6.4 | -5.6 | -16.1 |
| Net interest income after provision for loan losses | 414.6 | 392.6 | 435.8 | 347.5 | 287.4 | 263.5 | 258.5 | 252.6 |
| Deposit and loan fees | | | | | | | 15.6 | 15.8 |
| Credit and debit card fees | | | | | | | 3.1 | 3.4 |
| Other non-interest income | 47.4 | 49.9 | 59.0 | 43.5 | 42.1 | 35.6 | 14.8 | 57.3 |
| Total non-interest income | 47.4 | 49.9 | 59.0 | 43.5 | 42.1 | 35.6 | 33.5 | 76.4 |
| Non-interest expenses | 189.8 | 192.9 | 198.7 | 179.9 | 140.8 | 136.7 | 140.7 | 126.2 |
| Pre-tax income before non-recurring items | 298.4 | 247.8 | 292.7 | 227.5 | 190.5 | 168.2 | 151.8 | 164.8 |
| Non-recurring items | 0.8 | -1.7 | 1.7 | 16.4 | 1.7 | 6.0 | 0.5 | 2.0 |
| Pre-tax income | 297.6 | 249.5 | 291.1 | 211.1 | 188.8 | 162.3 | 151.4 | 162.8 |
| Income taxes | 85.1 | 72.4 | 83.2 | 59.1 | 84.4 | 60.9 | 52.2 | 58.8 |
| Tax rate | 28.6% | 29.0% | 28.6% | 28.0% | 44.7% | 37.5% | 34.5% | 36.1% |
| Net income | 212.5 | 177.2 | 207.8 | 152.0 | 104.4 | 101.4 | 99.1 | 104.0 |
| Net margin | 46.0% | 40.0% | 42.0% | 38.9% | 31.7% | 33.9% | 34.0% | 31.6% |
| |
| Basic EPS | $1.57 | $1.30 | $1.49 | $1.25 | $0.95 | $0.95 | $0.94 | $0.99 |
| Diluted EPS | $1.57 | $1.30 | $1.49 | $1.25 | $0.95 | $0.94 | $0.93 | $0.98 |
| |
| Shares outstanding (basic) | 135.2 | 136.0 | 139.8 | 121.7 | 109.4 | 107.3 | 105.7 | 105.2 |
| Shares outstanding (diluted) | 135.4 | 136.2 | 139.9 | 122.0 | 109.8 | 107.7 | 106.2 | 105.8 |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |