| Revenues | | 478.81 | 358.51 | 317.63 | 324.94 |
| 0.63 | - | - | - | - |
| Other Operating Expenses | 0.63 | - | - | - | - |
| Operating Income/Loss | | 239.50 | 127.76 | 94.08 | 101.46 |
| Nonoperating Income/Loss | | -7.10 | -6.04 | -5.86 | -6.02 |
| Income/Loss From Continuing Operations Before Tax | | 232.40 | 121.72 | 88.22 | 95.44 |
| Income Tax Expense/Benefit, Current | | 2.43 | 4.00 | -1.33 | -32.29 |
| Income Tax Expense/Benefit, Deferred | | 48.20 | 16.89 | 18.18 | 49.50 |
| Income Tax Expense/Benefit | | 50.63 | 20.89 | 16.85 | 17.21 |
| | 181.78 | 100.84 | 71.37 | 78.23 |
| Attributable To Parent | | 181.78 | 99.83 | 68.75 | 75.46 |
| Available To Common Stockholders, Basic | | 179.33 | 98.15 | 67.86 | 74.49 |
| Attributable To Noncontrolling Interest | - | - | 1.01 | 2.62 | 2.78 |
| Basic Average Shares | | 184.57 | 183.27 | -1.04 | 184.74 |
| Diluted Average Shares | | 184.59 | 183.28 | -1.04 | 184.75 |
| Common Stock Dividends | | 0.17 | 0.17 | 0.15 | 0.15 |
| Undistributed Earnings/Loss Allocated To Participating Securities, Basic | | 2.44 | 1.68 | 0.89 | 0.97 |