| In millions, except per share items | Jun-30-23 | Mar-31-23 | Dec-31-22 | Sep-30-22 | Jun-30-22 | Mar-31-22 | Dec-31-21 | Sep-30-21 |
| | 10-Q | 10-Q | 10-K | 10-Q | 10-Q | 10-Q | 10-K | 10-Q |
| Interest income: |
| Interest income on loans | 326.9 | 310.0 | 285.4 | 264.4 | 249.2 | 239.6 | 242.3 | 242.5 |
| Interest income on investments | 78.0 | 73.6 | 64.6 | 54.3 | 44.3 | 36.7 | 32.9 | 29.9 |
| Interest income on repurchase agreements | 3.4 | 4.4 | 4.4 | 3.7 | 2.2 | 1.0 | 0.9 | 0.8 |
| | 409.4 | 389.2 | 355.5 | 323.5 | 296.8 | 278.3 | 277.0 | 274.1 |
| Interest on deposits | 19.8 | 9.2 | 4.7 | 3.2 | 3.1 | 3.1 | 3.3 | 3.7 |
| Total interest expense | 34.5 | 17.8 | 9.5 | 6.7 | 5.8 | 5.3 | 5.5 | 5.9 |
| Net interest income | 374.9 | 371.4 | 346.0 | 316.9 | 291.0 | 273.0 | 271.5 | 268.2 |
| Provision for loan losses | 13.8 | 6.3 | | | 10.4 | 8.3 | | |
| Net interest income after provision for loan losses | 361.1 | 365.1 | 335.5 | 306.4 | 280.6 | 264.7 | 271.5 | 268.2 |
| Gain on sale of investments, net | | -0.2 | | | | | | |
| Other non-interest income | 61.1 | 61.8 | 63.0 | 63.7 | 63.1 | 62.7 | 63.7 | 63.7 |
| Total non-interest income | 60.9 | 61.6 | 63.0 | 63.7 | 63.1 | 62.7 | 63.7 | 63.7 |
| Non-interest expenses | 229.0 | 224.0 | 216.6 | 203.9 | 195.2 | 183.1 | 178.3 | 177.3 |
| Pre-tax income before non-recurring items | 184.8 | 194.5 | 173.9 | 161.5 | 148.9 | 145.0 | 163.7 | 157.5 |
| Non-recurring items | | -0.2 | | | | | | |
| Pre-tax income | 185.0 | 194.6 | 173.9 | 161.5 | 148.9 | 145.0 | 163.7 | 157.5 |
| Income taxes | 50.6 | 53.8 | 48.5 | 44.2 | 41.6 | 40.6 | 46.0 | 44.4 |
| Tax rate | 27.3% | 27.6% | 27.9% | 27.4% | 27.9% | 28.0% | 28.1% | 28.2% |
| Net income | 134.4 | 140.9 | 125.4 | 117.3 | 107.4 | 104.4 | 117.7 | 113.1 |
| Net margin | 60.4% | 62.0% | 63.0% | 59.2% | 54.6% | 96.5% | 267.7% | 263.7% |
| |
| Basic EPS | $4.06 | $4.24 | $3.87 | $3.70 | $3.49 | $3.50 | $3.96 | $3.80 |
| Diluted EPS | $4.04 | $4.23 | $3.86 | $3.69 | $3.47 | $3.48 | $3.94 | $3.78 |
| |
| Shares outstanding (basic) | 33.1 | 33.2 | 32.4 | 31.7 | 30.8 | 29.8 | 29.7 | 29.8 |
| Shares outstanding (diluted) | 33.2 | 33.3 | 32.5 | 31.8 | 30.9 | 30.0 | 29.9 | 29.9 |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |