| Revenues | | 295.39 | 297.08 | 298.65 | 304.51 |
| Benefits Costs and Expenses | | 65.46 | 90.25 | 85.95 | 69.44 |
| Costs And Expenses | | 65.46 | 90.25 | 85.95 | 69.44 |
| Income/Loss From Continuing Operations Before Tax | | 229.93 | 206.83 | 212.71 | 235.06 |
| Income Tax Expense/Benefit, Deferred | | -1.91 | 7.37 | 1.95 | 11.33 |
| Income Tax Expense/Benefit | | 47.78 | 41.53 | 43.40 | 43.97 |
| | 182.15 | 165.30 | 169.31 | 191.10 |
| Attributable To Parent | | 182.15 | 165.30 | 169.31 | 191.10 |
| Available To Common Stockholders, Basic | | 182.15 | 165.30 | 169.31 | 191.10 |
| Basic Average Shares | | 209.92 | 216.14 | -3.57 | 229.31 |
| Diluted Average Shares | | 210.95 | 218.19 | -3.46 | 231.38 |
| Basic Earnings Per Share | | 0.87 | 0.76 | 0.76 | 0.83 |
| Diluted Earnings Per Share | | 0.86 | 0.76 | 0.75 | 0.83 |
| Common Stock Dividends | | 0.15 | 0.15 | 0.15 | 0.15 |