|
Consolidated Balance Sheets (Parenthetical) (USD $)
In Thousands, except Per Share data, unless otherwise specified |
Sep. 30, 2012
|
Dec. 31, 2011
|
|---|---|---|
| Common stock, par value | $ 1.25 | $ 1.25 |
| Common stock, shares authorized | 36,000,000 | 36,000,000 |
| Common stock, shares issued | 18,496,680 | 18,496,680 |
| Treasury stock,shares at cost | 7,439,628 | 7,187,315 |