| Net premiums earned (Note 8) | $941.9M+0.3% | $939.2M+3.3% | $909.4M | — | — |
| Net investment income (Note 7) | $248.8M-6.1% | $264.8M+5.0% | $252.1M | — | — |
| Net gains (losses) on investments and other financial instruments (includes net realized gains (losses) on investments of $(3,890), $(7,821) and $(10,735)) (Note 7) | -$24K+99.4% | -$4.3M-146.2% | $9.4M | — | — |
| Other income | $6.5M-1.8% | $6.6M+2.4% | $6.4M | — | — |
| Total revenues | $300.5M-0.9% | $303.2M+1.6% | $298.6M+1.3% | $294.8M+0.7% | $292.7M |
| Provision for losses | $66.8M+3070.1% | -$2.2M+94.7% | -$42.1M | — | — |
| Policy acquisition costs | $25.0M-8.3% | $27.3M+11.1% | $24.6M | — | — |
| Other operating expenses | $245.8M-0.8% | $247.6M+1.2% | $244.8M | — | — |
| Interest expense (Note 12) | $68.3M-22.4% | $88.0M+2.1% | $86.2M | — | — |
| Total expenses | $405.9M+12.5% | $360.7M+15.1% | $313.4M | — | — |
| Pretax income from continuing operations | $791.2M-6.4% | $845.6M-2.1% | $863.9M | — | — |
| Income tax provision | $173.0M-6.6% | $185.3M-1.5% | $188.0M | — | — |
| Net income from continuing operations | $158.8M+3.9% | $152.8M-1.1% | $154.5M+1.6% | $152.1M-7.1% | $163.8M |
| Income (loss) from discontinued operations, net of tax | -$4.0M+65.1% | -$11.4M+10.5% | -$12.7M-68.5% | -$7.5M+51.3% | -$15.5M |
| Net income | $154.8M+9.5% | $141.4M-0.2% | $141.8M-1.9% | $144.6M-2.5% | $148.3M |
| Net income from continuing operations, Basic | $1K+3.6% | $1K+0.0% | $1K+7.7% | $1K-4.6% | $1K |
| Income (loss) from discontinued operations, net of tax, Basic | -$30+62.5% | -$80+11.1% | -$90-80.0% | -$50+50.0% | -$100 |
| Basic net income per share | $1K+8.7% | $1K+1.0% | $1K+4.0% | $990+0.0% | $990 |
| Net income from continuing operations, Diluted | $1K+3.6% | $1K+0.0% | $1K+7.8% | $1K-4.6% | $1K |
| Income (loss) from discontinued operations, net of tax, Diluted | -$30+62.5% | -$80+11.1% | -$90-80.0% | -$50+50.0% | -$100 |
| Diluted net income per share | $1K+8.7% | $1K+1.0% | $1K+4.1% | $980+0.0% | $980 |
| Weighted average number of common shares outstanding-basic (in shares) | $137.0M+0.0% | $137.0M-0.3% | $137.4M-5.7% | $145.6M-3.1% | $150.3M |
| Weighted average number of common and common equivalent shares outstanding-diluted (in shares) | $138.3M+0.2% | $137.9M-0.3% | $138.4M-6.3% | $147.7M-2.8% | $151.9M |