| Revenues | | 497.57 | 414.27 | 386.95 | 342.71 |
| Costs And Expenses | | 383.46 | 354.24 | 306.67 | 281.93 |
| Operating Income/Loss | | 114.11 | 60.02 | 80.28 | 60.79 |
| | 39.92 | 39.23 | 38.36 | 36.25 |
| Interest And Debt Expense | | 39.92 | 39.23 | 38.36 | 36.25 |
| Income/Loss From Continuing Operations Before Tax | | 77.25 | 414.27 | 47.02 | 24.61 |
| Income Tax Expense/Benefit, Deferred | | 14.14 | -16.55 | 6.92 | 3.68 |
| Income Tax Expense/Benefit | | 13.80 | -20.90 | 8.79 | 3.38 |
| | 63.46 | 44.69 | 38.23 | 21.23 |
| Attributable To Parent | | 63.46 | 44.69 | 38.23 | 21.23 |
| Basic Average Shares | | 61.46 | 61.41 | 61.40 | 61.38 |
| Diluted Average Shares | | 61.63 | 0.05 | 61.55 | 61.48 |
| Basic Earnings Per Share | | 1.03 | 0.73 | 0.62 | 0.35 |
| Diluted Earnings Per Share | | 1.03 | 0.72 | 0.62 | 0.35 |
| Common Stock Dividends | 0.67 | 0.67 | 0.66 | 0.66 | 0.66 |