| 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 | 142.3 | 127.2 | 111.9 | 98.3 | 88.6 | 82.4 | 78.9 | 77.4 |
| Interest income on investments | 2.6 | 2.5 | 2.4 | 2.3 | 2.3 | 2.2 | 2.1 | 2.0 |
| | 152.2 | 135.4 | 118.0 | 102.7 | 92.0 | 85.3 | 81.6 | 80.0 |
| Interest expense: |
| Interest on deposits | 32.7 | 19.8 | 10.9 | 4.8 | 2.5 | 2.0 | 2.2 | 2.8 |
| Interest on borrowings | 0.9 | 0.8 | 0.2 | 0.1 | 0.0 | | | |
| | 110.2 | 69.8 | 40.6 | 19.8 | 11.1 | 9.7 | 10.1 | 11.8 |
| Net interest income | 113.4 | 110.4 | 103.1 | 95.2 | 87.7 | 81.4 | 77.6 | 75.4 |
| Provision for loan losses | 5.7 | 6.7 | 6.7 | 7.0 | 4.7 | 2.5 | 1.7 | |
| Net interest income after provision for loan losses | 107.8 | 103.7 | 96.4 | 88.2 | 83.0 | 79.0 | 75.9 | 72.2 |
| Deposit and loan fees | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.4 | 0.4 | 0.4 |
| Other non-interest income | 6.7 | 5.8 | 6.6 | 7.0 | 7.5 | 7.4 | 6.9 | 7.6 |
| Total non-interest income | 7.2 | 6.3 | 7.1 | 7.4 | 7.9 | 7.8 | 7.3 | 8.0 |
| Non-interest expenses | 44.0 | 42.2 | 40.7 | 39.0 | 37.4 | 36.8 | 36.0 | 35.9 |
| Pre-tax income | 71.0 | 67.8 | 62.9 | 56.7 | 53.5 | 50.0 | 47.1 | 44.3 |
| Income taxes | 20.1 | 19.7 | 18.1 | 13.9 | 11.3 | 8.0 | 4.7 | 3.7 |
| Tax rate | 28.3% | 29.1% | 28.7% | 24.5% | 21.2% | 16.0% | 10.0% | 8.4% |
| Net income | 50.9 | 48.1 | 44.8 | 42.8 | 42.2 | 42.0 | 42.4 | 40.6 |
| Net margin | 44.3% | 43.7% | 43.3% | 44.8% | 46.4% | 48.4% | 51.0% | 50.6% |
| |
| Basic EPS | $2.97 | $2.81 | $2.62 | $2.58 | $2.54 | $2.63 | $2.94 | $3.07 |
| Diluted EPS | $2.96 | $2.80 | $2.61 | $2.58 | $2.54 | $2.63 | $2.94 | $3.07 |
| |
| Shares outstanding (basic) | 17.1 | 17.1 | 17.1 | 16.6 | 16.6 | 16.0 | 14.4 | 13.2 |
| Shares outstanding (diluted) | 17.2 | 17.2 | 17.2 | 16.6 | 16.6 | 16.0 | 14.4 | 13.2 |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |