| Revenues | | 392.60 | 497.57 | 414.27 | 386.95 |
| Costs And Expenses | | 328.35 | 383.46 | 354.24 | 306.67 |
| Operating Income/Loss | | 64.25 | 114.11 | 60.02 | 80.28 |
| | 40.33 | 39.92 | 39.23 | 38.36 |
| Interest And Debt Expense | | 40.33 | 39.92 | 39.23 | 38.36 |
| Income/Loss From Continuing Operations Before Tax | | 28.46 | 77.25 | 414.27 | 47.02 |
| Income Tax Expense/Benefit, Deferred | | 0.27 | 14.14 | -16.55 | 6.92 |
| Income Tax Expense/Benefit | | 3.47 | 13.80 | -20.90 | 8.79 |
| | 24.99 | 63.46 | 44.69 | 38.23 |
| Attributable To Parent | | 24.99 | 63.46 | 44.69 | 38.23 |
| Basic Average Shares | | 61.51 | 61.46 | 61.41 | 61.40 |
| Diluted Average Shares | | 61.77 | 61.63 | 0.05 | 61.55 |
| Basic Earnings Per Share | | 0.41 | 1.03 | 0.73 | 0.62 |
| Diluted Earnings Per Share | | 0.40 | 1.03 | 0.72 | 0.62 |
| Common Stock Dividends | 0.67 | 0.67 | 0.67 | 0.66 | 0.66 |