| In millions, except per share items | Dec-31-22 | Sep-30-22 | Jun-30-22 | Mar-31-22 | Dec-31-21 | Sep-30-21 | Jun-30-21 | Mar-31-21 |
| | 10-K | 10-Q | 10-Q | 10-Q | 10-K | 10-Q | 10-Q | 10-Q |
| Interest income: |
| Interest income on loans | 146.3 | 136.9 | 130.8 | 128.5 | 128.0 | 130.7 | 132.8 | 134.1 |
| Interest income on investments | 31.0 | 30.7 | 26.7 | 23.7 | 21.9 | 20.9 | 20.0 | 20.1 |
| | 183.3 | 169.9 | 159.8 | 154.5 | 152.2 | 153.7 | 155.1 | 156.4 |
| Interest expense: |
| Interest on deposits | 16.7 | 10.6 | 7.9 | 7.5 | 8.2 | 8.9 | 9.6 | 10.6 |
| | 18.3 | 11.7 | 8.7 | 8.2 | 8.8 | 9.5 | 10.4 | 11.5 |
| Net interest income | 165.0 | 158.2 | 151.1 | 146.3 | 143.4 | 144.1 | 144.6 | 144.9 |
| Provision for loan losses | -2.0 | 1.0 | -1.6 | -4.5 | 2.5 | -2.8 | 3.1 | 8.3 |
| Net interest income after provision for loan losses | 167.1 | 157.3 | 152.7 | 150.8 | 140.9 | 146.9 | 141.5 | 136.6 |
| Deposit and loan fees | 27.5 | 27.4 | 26.8 | 25.8 | 24.7 | 32.2 | 28.3 | 24.4 |
| Other non-interest income | 19.2 | 19.5 | 19.0 | 20.8 | 17.4 | 12.0 | 16.5 | 18.3 |
| Total non-interest income | 46.7 | 46.9 | 45.9 | 46.5 | 42.1 | 44.2 | 44.8 | 42.7 |
| Non-interest expenses | 126.0 | 126.8 | 123.8 | 121.1 | 117.4 | 115.3 | 114.0 | 112.8 |
| Pre-tax income | 87.8 | 77.3 | 74.8 | 76.3 | 65.6 | 75.8 | 72.4 | 66.5 |
| Income taxes | 16.7 | 15.4 | 14.8 | 15.2 | 12.6 | 14.5 | 13.2 | 11.9 |
| Tax rate | 19.0% | 19.8% | 19.8% | 20.0% | 19.2% | 19.1% | 18.2% | 17.9% |
| Net income | 71.1 | 62.0 | 60.0 | 61.0 | 53.0 | 61.3 | 59.2 | 54.5 |
| Net margin | 33.3% | 30.4% | 30.2% | 30.9% | 29.0% | 32.1% | 31.8% | 30.4% |
| |
| Basic EPS | $5.80 | $4.96 | $4.71 | $4.68 | $3.99 | $4.57 | $4.36 | $3.99 |
| Diluted EPS | $5.80 | $4.96 | $4.71 | $4.68 | $3.99 | $4.57 | $4.36 | $3.99 |
| |
| Shares outstanding (basic) | 12.3 | 12.5 | 12.7 | 13.0 | 13.3 | 13.4 | 13.6 | 13.7 |
| Shares outstanding (diluted) | 12.3 | 12.5 | 12.7 | 13.0 | 13.3 | 13.4 | 13.6 | 13.7 |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |