| Revenues | | 169.19 | 164.28 | 182.72 | 163.07 |
| Cost Of Revenue | | 17.33 | 18.27 | 16.51 | 12.89 |
| | 11.27 | - | - | - |
| Other Operating Expenses | | 11.27 | - | - | - |
| Depreciation and Amortization | | 12.99 | 12.90 | 12.18 | 11.95 |
| Operating Income/Loss | | 51.37 | 45.04 | 61.73 | 50.96 |
| Nonoperating Income/Loss | | -11.55 | -8.56 | -7.64 | -7.03 |
| Income/Loss From Continuing Operations Before Tax | | 39.82 | 36.48 | 54.09 | 43.93 |
| Income Tax Expense/Benefit | | 9.87 | 7.73 | 12.93 | 10.24 |
| | 29.95 | 28.74 | 41.17 | 33.69 |
| Attributable To Parent | | 29.95 | 28.74 | 41.17 | 33.69 |
| Available To Common Stockholders, Basic | | 29.86 | 28.66 | 41.00 | 33.56 |
| Basic Average Shares | | 39.11 | 0.11 | 38.57 | 38.51 |
| Diluted Average Shares | | 39.21 | 0.10 | 38.70 | 38.64 |
| Basic Earnings Per Share | | 0.76 | 0.73 | 1.06 | 0.87 |
| Diluted Earnings Per Share | | 0.76 | 0.74 | 1.06 | 0.87 |
| Common Stock Dividends | 0.50 | 0.50 | - | 0.50 | 0.47 |
| Participating Securities, Distributed And Undistributed Earnings/Loss, Basic | | 0.09 | 0.09 | 0.16 | 0.14 |