CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares |
May 31, 2016 |
Aug. 31, 2015 |
|---|---|---|
| Treasury Stock, Shares | 20,326,479 | 19,726,479 |
| Common Class A | ||
| Common stock, par value | $ 0.2 | $ 0.2 |
| Common stock, shares authorized | 168,000,000 | 168,000,000 |
| Common stock, shares issued | 79,347,614 | 78,932,533 |