| Revenues | | 872.69 | 853.69 | 839.85 | 793.33 |
| | 101.88 | - | - | - |
| Other Operating Expenses | | 101.88 | - | - | - |
| Benefits Costs and Expenses | | 623.28 | 606.61 | 568.17 | 558.84 |
| Costs And Expenses | | 623.28 | 606.61 | 568.17 | 558.84 |
| Depreciation and Amortization | | 3.87 | 4.92 | 4.31 | 5.25 |
| Income/Loss From Continuing Operations Before Tax | | 249.42 | 247.07 | 271.68 | 234.50 |
| Income Tax Expense/Benefit | | 59.32 | 50.03 | 64.89 | 56.15 |
| | 190.10 | 197.05 | 206.79 | 178.34 |
| Attributable To Parent | | 190.10 | 196.44 | 206.12 | 177.77 |
| Available To Common Stockholders, Basic | | 189.47 | 196.44 | 206.12 | 177.77 |
| Basic Average Shares | | 31.68 | -0.22 | 32.40 | 32.87 |
| Diluted Average Shares | | 31.73 | -0.22 | 32.45 | 32.91 |
| Basic Earnings Per Share | | 5.98 | 6.14 | 6.36 | 5.41 |
| Diluted Earnings Per Share | | 5.97 | 6.12 | 6.35 | 5.40 |
| Common Stock Dividends | 1.20 | 1.20 | 1.04 | 1.04 | 1.04 |
| Undistributed Earnings/Loss Allocated To Participating Securities, Basic | | 0.63 | - | - | - |