| Revenues | | 700.11 | 672.52 | 688.14 | 676.83 |
| | 631.43 | - | 619.40 | - |
| Selling, General, and Administrative | | 78.65 | - | 73.81 | - |
| Other Operating Expenses | | 552.79 | - | 547.68 | - |
| Benefits Costs and Expenses | | 647.03 | - | 639.25 | - |
| Costs And Expenses | | 631.43 | 944.60 | 852.03 | 650.51 |
| Operating Income/Loss | | 68.68 | -272.08 | -163.90 | 26.32 |
| Income/Loss From Continuing Operations Before Tax | | 53.08 | -290.37 | -181.62 | 6.21 |
| Income Tax Expense/Benefit | | 14.49 | -0.54 | -4.44 | 1.66 |
| Income/Loss From Continuing Operations After Tax | | 38.59 | - | 21.16 | - |
| | 38.59 | -289.83 | -177.18 | 4.55 |
| Attributable To Parent | | 38.59 | -289.83 | -177.18 | 4.55 |
| Available To Common Stockholders, Basic | | 38.59 | - | 21.16 | - |
| Preferred Stock Dividends And Other Adjustments | - | - | - | - | - |
| Attributable To Noncontrolling Interest | - | - | - | - | - |
| Basic Average Shares | | 118.31 | 118.50 | 118.24 | 118.35 |
| Diluted Average Shares | | 118.37 | 118.50 | 118.32 | 118.41 |
| Basic Earnings Per Share | | 0.33 | -2.45 | 0.18 | 0.04 |
| Diluted Earnings Per Share | | 0.33 | -2.45 | 0.18 | 0.04 |
| Participating Securities, Distributed And Undistributed Earnings/Loss, Basic | - | - | - | - | - |