| Revenues | | 278.29 | 373.55 | 511.85 | 490.21 |
| | 48.07 | - | - | - |
| Selling, General, and Administrative | | 48.07 | - | - | - |
| Other Operating Expenses | | 171.24 | - | - | - |
| Interest Income/Expense | | 31.74 | 32.57 | 33.52 | 33.95 |
| Costs And Expenses | | 286.79 | 317.14 | 360.17 | 349.75 |
| Depreciation and Amortization | | 45.07 | 45.10 | 44.70 | 42.97 |
| Operating Income/Loss | | -8.49 | 56.40 | 151.68 | 140.47 |
| Income/Loss From Continuing Operations Before Tax | | -39.99 | 19.09 | 118.34 | 106.30 |
| Income Tax Expense/Benefit, Deferred | | -6.20 | 3.60 | 26.06 | 20.91 |
| Income Tax Expense/Benefit | | -5.93 | 4.04 | 29.02 | 26.19 |
| | -34.07 | 15.05 | 89.33 | 80.11 |
| Attributable To Parent | | -34.07 | 15.05 | 89.33 | 80.11 |
| Available To Common Stockholders, Basic | | -34.07 | 15.05 | 89.33 | 80.11 |
| Basic Average Shares | | 49.42 | -0.45 | 55.03 | 54.99 |
| Diluted Average Shares | | 49.42 | -0.46 | 55.47 | 55.41 |
| Basic Earnings Per Share | | -0.69 | 0.30 | 1.62 | 1.46 |
| Diluted Earnings Per Share | | -0.69 | 0.30 | 1.61 | 1.45 |