|
Condensed Consolidated Balance Sheets (Parenthetical) (USD $)
In Thousands, except Per Share data, unless otherwise specified |
Aug. 31, 2012
|
Aug. 31, 2011
|
|---|---|---|
| Statement Of Financial Position [Abstract] | ||
| Common stock, par value | $ 1.00 | $ 1.00 |
| Common stock, shares authorized | 29,000 | 29,000 |
| Common stock, shares issued | 14,342 | 13,328 |
| Treasury stock, shares | 1,981 | 1,981 |