| Revenues | | 435.36 | 387.99 | 374.12 | 361.20 |
| Operating Expenses | | 241.61 | 228.80 | 220.95 | 223.07 |
| Operating Income/Loss | | 193.75 | 159.19 | 153.18 | 138.13 |
| | -6.50 | -11.33 | -11.52 | -8.85 |
| Interest And Debt Expense | | 12.19 | 14.08 | 15.23 | 13.11 |
| Income/Loss From Continuing Operations Before Tax | | 187.25 | 147.86 | 141.66 | 129.27 |
| Income Tax Expense/Benefit | | 47.85 | 35.72 | 28.85 | 32.73 |
| | 139.40 | 112.14 | 112.81 | 96.54 |
| Attributable To Parent | | 139.40 | 112.14 | 112.81 | 96.54 |
| Available To Common Stockholders, Basic | | 105.42 | 85.53 | 88.18 | 74.32 |
| Preferred Stock Dividends And Other Adjustments | | -0.18 | -0.15 | -0.18 | -0.11 |
| Basic Average Shares | | 62.15 | 63.64 | -0.29 | 66.21 |
| Diluted Average Shares | | 62.78 | 64.39 | -0.24 | 66.96 |
| Basic Earnings Per Share | | 1.70 | 1.34 | 1.36 | 1.12 |
| Diluted Earnings Per Share | | 1.68 | 1.33 | 1.35 | 1.11 |
| Common Stock Dividends | 0.50 | 0.50 | 0.49 | 0.49 | 0.49 |