| 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 |
| Interest income: |
| Interest income on loans | 673.4 | 505.7 | 494.2 | 476.0 | 420.4 | 315.1 | 268.4 | 223.3 |
| Interest income on investments | 131.8 | 71.0 | 62.1 | 74.5 | 77.7 | 72.4 | 64.0 | 51.8 |
| | 813.2 | 578.8 | 558.0 | 552.7 | 500.1 | 389.7 | 335.0 | 278.5 |
| Interest expense: |
| Interest on deposits | 42.1 | 14.8 | 41.8 | 66.9 | 39.5 | 17.1 | 10.2 | 8.8 |
| Interest on borrowings | 0.5 | | 0.0 | 0.8 | 1.1 | 0.4 | | |
| | 60.8 | 29.8 | 56.2 | 83.3 | 61.3 | 78.4 | 25.2 | 21.1 |
| Net interest income | 752.4 | 549.0 | 501.8 | 469.4 | 438.8 | 356.0 | 309.8 | 257.4 |
| Provision for loan losses | 63.9 | -37.6 | 80.4 | 13.2 | 9.5 | 3.8 | -0.8 | 3.7 |
| Net interest income after provision for loan losses | 688.4 | 586.6 | 421.3 | 456.2 | 429.3 | 352.2 | 310.6 | 253.7 |
| Deposit and loan fees | | | | | | | | 36.8 |
| Gain on sale of investments, net | -3.9 | 0.1 | 0.7 | -1.0 | -0.7 | 0.1 | 1.0 | 2.3 |
| Other non-interest income | 141.6 | 157.7 | 155.4 | 105.7 | 93.6 | 88.2 | 92.7 | 107.3 |
| Total non-interest income | 137.7 | 157.8 | 156.1 | 104.7 | 93.0 | 88.3 | 93.7 | 146.4 |
| Non-interest expenses | 470.1 | 396.6 | 368.0 | 322.2 | 306.3 | 267.6 | 241.3 | 211.2 |
| Pre-tax income before non-recurring items | 375.4 | 361.7 | 216.5 | 245.6 | 221.3 | 186.7 | 171.1 | 133.0 |
| Non-recurring items | 19.4 | 14.0 | 7.0 | 6.9 | 5.4 | 13.9 | 8.1 | 18.0 |
| Pre-tax income | 356.0 | 347.8 | 209.4 | 238.7 | 215.9 | 172.8 | 163.0 | 115.0 |
| Income taxes | 78.5 | 78.0 | 45.4 | 53.0 | 49.8 | 105.0 | 62.3 | 43.4 |
| Tax rate | 22.1% | 22.4% | 21.7% | 22.2% | 23.1% | 60.8% | 38.2% | 37.8% |
| Net income | 269.1 | 261.3 | 159.3 | 184.3 | 164.9 | 67.3 | 100.6 | 71.5 |
| Net margin | 32.6% | 35.1% | 27.6% | 32.9% | 31.6% | 15.3% | 24.9% | 17.9% |
| |
| Basic EPS | $2.52 | $2.97 | $1.91 | $2.31 | $2.07 | $0.92 | $1.40 | $1.09 |
| Diluted EPS | $2.52 | $2.97 | $1.91 | $2.31 | $2.07 | $0.92 | $1.40 | $1.09 |
| |
| Shares outstanding (basic) | 106.7 | 87.9 | 83.2 | 79.7 | 79.7 | 73.2 | 71.9 | 65.5 |
| Shares outstanding (diluted) | 106.8 | 88.1 | 83.2 | 79.7 | 79.7 | 73.3 | 71.9 | 65.5 |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |