| 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 | | | 153.8 | 115.2 | | | 173.9 | 172.1 |
| Interest income on investments | 169.2 | 151.8 | 120.4 | 118.2 | 116.4 | 63.1 | 25.1 | 24.8 |
| Interest income on repurchase agreements | 0.9 | 0.6 | 0.4 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 |
| | 365.9 | 335.7 | 292.6 | 250.6 | 223.0 | 203.7 | 200.2 | 198.0 |
| Interest expense: |
| Interest on deposits | 101.9 | 69.0 | 42.4 | 24.6 | 15.3 | 13.0 | 13.3 | 13.7 |
| Interest on borrowings | 12.3 | 10.4 | 7.0 | 3.5 | 0.9 | 0.1 | 0.1 | 0.1 |
| | 129.9 | 93.5 | 61.5 | 38.1 | 25.1 | 21.7 | 21.9 | 22.6 |
| Net interest income | 236.0 | 242.2 | 231.1 | 212.4 | 197.9 | 182.0 | 178.2 | 175.4 |
| Provision for loan losses | 7.5 | 15.1 | | | 5.1 | -6.1 | 3.5 | |
| Net interest income after provision for loan losses | 228.5 | 227.1 | 222.8 | 207.4 | 192.8 | 188.1 | 174.7 | 161.6 |
| Other non-interest income | 100.7 | 90.9 | 80.7 | 82.5 | 96.1 | 92.6 | 100.4 | 109.5 |
| Total non-interest income | 100.7 | 90.9 | 80.7 | 82.5 | 96.1 | 92.6 | 100.4 | 109.5 |
| Non-interest expenses | 196.0 | 200.5 | 190.0 | 179.7 | 173.4 | 154.8 | 153.7 | 160.7 |
| Pre-tax income before non-recurring items | 134.0 | 125.1 | 122.8 | 119.7 | 124.7 | 128.4 | 122.1 | 110.9 |
| Non-recurring items | | 7.6 | 9.2 | 9.6 | 9.2 | 2.5 | 0.6 | |
| Pre-tax income | 133.2 | 117.5 | 113.5 | 110.1 | 115.5 | 125.9 | 121.5 | 110.4 |
| Income taxes | 17.4 | 14.9 | 14.5 | 15.0 | 18.1 | 21.4 | 22.6 | 20.3 |
| Tax rate | 13.1% | 12.7% | 12.8% | 13.6% | 15.6% | 17.0% | 18.6% | 18.4% |
| Net income | 115.8 | 102.6 | 99.1 | 95.2 | 97.4 | 104.5 | 98.9 | 90.2 |
| Net margin | 33.3% | 30.5% | 30.8% | 30.9% | 33.1% | 35.9% | 34.6% | 32.0% |
| |
| Basic EPS | $6.91 | $6.06 | $5.95 | $5.80 | $6.06 | $6.66 | $6.28 | $5.72 |
| Diluted EPS | $6.84 | $5.99 | $5.88 | $5.73 | $5.98 | $6.56 | $6.19 | $5.64 |
| |
| Shares outstanding (basic) | 16.8 | 16.9 | 16.6 | 16.4 | 16.1 | 15.7 | 15.7 | 15.8 |
| Shares outstanding (diluted) | 16.9 | 17.1 | 16.9 | 16.6 | 16.3 | 15.9 | 16.0 | 16.0 |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |