| 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 | 8-K | 8-K | 10-Q | 10-Q | 10-K | 8-K |
| Interest income: |
| Interest income on loans | 178.9 | 161.1 | 150.3 | 138.8 | 129.9 | 125.5 | 118.8 | 118.8 |
| Interest income on investments | 16.6 | 15.4 | 13.4 | 9.3 | 5.5 | 3.1 | | |
| Interest income on repurchase agreements | 0.1 | 0.8 | | | 1.1 | 0.4 | | |
| | 196.6 | 178.2 | 165.6 | 151.5 | 139.3 | 131.8 | 123.3 | 122.6 |
| Interest expense: |
| Interest on deposits | 29.9 | 14.0 | | | 9.8 | 10.7 | 11.3 | 12.0 |
| Interest on borrowings | | | 0.4 | | | | | 0.1 |
| | 46.1 | 28.7 | 17.8 | 12.9 | 13.1 | 14.1 | 14.8 | 15.6 |
| Net interest income | 150.5 | 149.5 | 147.8 | 138.6 | 126.2 | 117.7 | 108.6 | 107.0 |
| Provision for loan losses | | | | | | | | 2.6 |
| Net interest income after provision for loan losses | 150.5 | 149.5 | 147.8 | 138.6 | 125.8 | 116.1 | 106.0 | 104.4 |
| Other non-interest income | 22.2 | 22.2 | 23.7 | 22.6 | 22.1 | 22.6 | 21.5 | 21.9 |
| Total non-interest income | 22.2 | 22.2 | 23.7 | 22.6 | 22.1 | 22.6 | 21.5 | 21.9 |
| Non-interest expenses | 111.8 | 100.2 | 99.8 | 108.4 | 103.8 | 99.3 | 91.1 | 78.5 |
| Pre-tax income before non-recurring items | 62.4 | 67.5 | 67.3 | 51.8 | 44.7 | 42.2 | 39.7 | 47.4 |
| Non-recurring items | 5.2 | 0.2 | | | | | 3.7 | |
| Pre-tax income | 57.2 | 67.2 | 67.3 | 48.6 | 41.6 | 38.5 | 36.1 | 46.4 |
| Income taxes | 9.9 | 12.6 | 12.5 | 8.9 | 7.6 | 7.1 | 6.7 | 8.7 |
| Tax rate | 17.4% | 18.7% | 18.6% | 18.4% | 18.3% | 18.5% | | 18.7% |
| Net income | 47.3 | 54.7 | 54.8 | 68.4 | 62.7 | 60.1 | 58.0 | 37.7 |
| Net margin | 27.4% | 31.8% | 32.0% | 41.8% | 41.7% | 42.5% | 44.6% | 29.2% |
| |
| Basic EPS | $2.96 | $3.44 | $3.44 | $4.66 | $4.64 | $4.96 | $5.67 | $3.91 |
| Diluted EPS | $2.95 | $3.43 | $3.44 | $4.66 | $4.63 | $4.95 | $5.67 | $3.91 |
| |
| Shares outstanding (basic) | 16.0 | 15.9 | 15.9 | 14.7 | 13.5 | 12.1 | 10.2 | 9.6 |
| Shares outstanding (diluted) | 16.0 | 15.9 | 15.9 | 14.7 | 13.5 | 12.1 | 10.2 | 9.6 |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |