| Revenues | | 323.23 | 437.53 | 398.19 | 379.75 |
| Cost Of Revenue | | 84.63 | 90.57 | 93.17 | 96.39 |
| Costs And Expenses | | 196.16 | 209.94 | 219.54 | 220.76 |
| Operating Income/Loss | | 127.07 | 227.59 | 178.65 | 158.99 |
| Nonoperating Income/Loss | | -15.95 | -17.08 | -13.65 | -16.19 |
| Income/Loss From Continuing Operations Before Tax | | 111.12 | 210.51 | 165.01 | 142.80 |
| Income Tax Expense/Benefit, Current | | -0.24 | 1.07 | - | -0.11 |
| Income Tax Expense/Benefit, Deferred | | 24.26 | 43.61 | 32.59 | 31.52 |
| Income Tax Expense/Benefit | | 24.02 | 44.68 | 32.59 | 31.41 |
| | 87.10 | 165.82 | 132.42 | 111.39 |
| Attributable To Parent | | 87.10 | 165.82 | 132.42 | 111.39 |
| Available To Common Stockholders, Basic | | 87.10 | 165.82 | 132.42 | 81.41 |
| Preferred Stock Dividends And Other Adjustments | - | - | - | - | - |
| Basic Average Shares | | 17.90 | 18.55 | 0.32 | 18.11 |
| Diluted Average Shares | | 17.95 | 18.70 | 0.34 | 18.29 |
| Basic Earnings Per Share | | 4.87 | 8.94 | 7.01 | 4.49 |
| Diluted Earnings Per Share | | 4.85 | 8.87 | 6.91 | 4.45 |