| Revenues | | 774.60 | 973.70 | 755.90 | 748.20 |
| | 71.20 | 63.00 | - | - |
| Other Operating Expenses | | 71.20 | 63.00 | - | - |
| Interest Income/Expense | | 16.80 | 19.50 | 21.00 | 21.10 |
| Benefits Costs and Expenses | | 653.10 | 693.50 | 645.00 | 673.30 |
| Costs And Expenses | | 653.10 | 693.50 | 645.00 | 673.30 |
| Income/Loss From Continuing Operations Before Tax | | 121.50 | 280.20 | 110.90 | 74.90 |
| Income Tax Expense/Benefit | | 19.20 | 36.10 | 20.20 | 11.60 |
| | 102.30 | 244.10 | 90.70 | 63.30 |
| Attributable To Parent | | 102.20 | 244.00 | 90.80 | 63.20 |
| Available To Common Stockholders, Basic | | 99.50 | 239.90 | 86.70 | 59.10 |
| Attributable To Noncontrolling Interest | | 0.10 | 0.10 | -0.10 | 0.10 |
| Basic Average Shares | | 116.73 | - | 116.73 | 116.52 |
| Diluted Average Shares | | 121.70 | - | 118.82 | 118.67 |
| Basic Earnings Per Share | | 0.85 | - | 0.74 | 0.51 |
| Diluted Earnings Per Share | | 0.82 | - | 0.73 | 0.50 |
| Undistributed Earnings/Loss Allocated To Participating Securities, Basic | | 0.10 | 0.10 | 0.10 | 0.10 |