|
Condensed Consolidated Balance Sheets (Parenthetical) (USD $)
|
May 31, 2011
|
Aug. 31, 2010
|
|---|---|---|
| Condensed Consolidated Balance Sheets | Â | Â |
| Class A common stock, par value per share | $ 0.2 | $ 0.2 |
| Class A common stock, shares authorized | 168,000,000 | 168,000,000 |
| Class A common stock, shares issued | 68,620,957 | 68,056,387 |
| Class A common stock, shares outstanding | 68,620,957 | 68,056,387 |