| Revenues | | 148.48 | 128.96 | 123.34 | 116.10 |
| Interest Income/Expense | | 0.00 | 0.00 | 0.07 | 0.39 |
| Benefits Costs and Expenses | | 102.05 | 94.74 | 90.18 | 86.37 |
| Costs And Expenses | | 102.05 | 94.74 | 90.18 | 86.37 |
| Income/Loss From Continuing Operations Before Tax | | 46.44 | 34.23 | 33.16 | 29.73 |
| Income Tax Expense/Benefit | | 9.27 | 7.05 | 6.71 | 6.12 |
| | 37.17 | 27.18 | 26.45 | 23.62 |
| Attributable To Parent | | 33.45 | 25.47 | 25.26 | 22.66 |
| Available To Common Stockholders, Basic | | 33.45 | 25.47 | 25.26 | 22.66 |
| Attributable To Noncontrolling Interest | | 3.72 | 1.71 | 1.19 | 0.95 |
| Basic Average Shares | | 48.01 | 48.07 | 1.15 | 48.07 |
| Diluted Average Shares | | 49.86 | 49.77 | 1.19 | 49.97 |
| Basic Earnings Per Share | | 0.70 | 0.53 | 0.54 | 0.47 |
| Diluted Earnings Per Share | | 0.67 | 0.51 | 0.52 | 0.45 |
| Participating Securities, Distributed And Undistributed Earnings/Loss, Basic | - | - | - | - | - |