| Revenues | | 362.69 | 336.07 | 312.40 | 311.83 |
| Benefits Costs and Expenses | | 132.37 | 129.35 | 127.88 | 112.67 |
| Costs And Expenses | | 132.37 | 129.35 | 127.88 | 112.67 |
| Income/Loss From Equity Method Investments | | 19.39 | 10.18 | 3.94 | 1.77 |
| Income/Loss From Continuing Operations Before Tax | | 230.32 | 206.73 | 184.53 | 199.16 |
| Income Tax Expense/Benefit, Deferred | | -3.04 | -5.21 | 25.21 | 1.99 |
| Income Tax Expense/Benefit | | 40.61 | 34.93 | 29.55 | 34.94 |
| | 189.71 | 171.80 | 154.98 | 164.22 |
| Attributable To Parent | | 189.71 | 171.80 | 154.98 | 164.22 |
| Basic Average Shares | | 90.74 | 93.82 | -1.09 | 97.40 |
| Diluted Average Shares | | 91.39 | 94.57 | -1.13 | 98.52 |
| Basic Earnings Per Share | | 2.09 | 1.83 | 1.62 | 1.69 |
| Diluted Earnings Per Share | | 2.08 | 1.82 | 1.61 | 1.67 |
| Common Stock Dividends | 0.35 | 0.35 | 0.35 | 0.31 | 0.31 |