| Revenues | | 634.40 | 622.51 | 621.32 | 614.45 |
| Cost Of Revenue | | 399.68 | 403.69 | 393.03 | 382.01 |
| | 175.93 | 157.41 | - | - |
| Selling, General, and Administrative | | 175.93 | 157.41 | - | - |
| Costs And Expenses | | 611.37 | 596.49 | 576.01 | 564.87 |
| Operating Income/Loss | | 23.03 | 26.01 | 45.31 | 49.58 |
| Nonoperating Income/Loss | | 1.41 | 1.33 | 1.67 | 1.84 |
| Income/Loss From Continuing Operations Before Tax | | 24.44 | 27.34 | 46.98 | 51.41 |
| Income Tax Expense/Benefit | | 4.53 | 6.86 | 12.62 | 10.38 |
| | 19.92 | 20.48 | 34.36 | 41.03 |
| Attributable To Parent | | 19.92 | 20.48 | 34.36 | 41.03 |
| Available To Common Stockholders, Basic | | 19.92 | 20.48 | 34.36 | 41.03 |