| Revenues | | 185.56 | 183.73 | 175.69 | 175.74 |
| | 30.24 | 34.45 | - | - |
| Selling, General, and Administrative | | 30.24 | 34.45 | - | - |
| Operating Income/Loss | | 54.63 | 50.41 | 46.84 | 48.96 |
| Nonoperating Income/Loss | | -0.17 | -0.07 | - | - |
| Income/Loss From Continuing Operations Before Tax | | 44.65 | 40.57 | 37.60 | 39.63 |
| Income Tax Expense/Benefit | | 13.36 | 10.69 | 10.84 | 11.15 |
| | 31.29 | 29.88 | 26.76 | 28.48 |
| Attributable To Parent | | 31.29 | 29.88 | 26.76 | 28.48 |
| Basic Average Shares | | 27.24 | 27.48 | -0.09 | 27.90 |
| Diluted Average Shares | | 27.25 | 27.59 | -0.10 | 27.99 |
| Basic Earnings Per Share | | 1.15 | 1.09 | 0.97 | 1.02 |
| Diluted Earnings Per Share | | 1.15 | 1.08 | 0.97 | 1.02 |
| Common Stock Dividends | | 0.30 | 0.30 | 0.30 | 0.30 |