Consolidated Balance Sheets (Parenthetical) - $ / shares |
Nov. 30, 2021 |
Aug. 31, 2021 |
|---|---|---|
| Statement Of Financial Position [Abstract] | ||
| Common stock, shares issued | 134,690,424 | 134,625,379 |
| Common stock, shares outstanding | 132,062,061 | 132,000,317 |
| Common stock, shares authorized | 300,000,000 | 300,000,000 |
| Common stock, par value | $ 0.01 | $ 0.01 |
| Preferred stock, shares outstanding | 0 | 0 |
| Preferred stock, shares authorized | 50,000,000 | 50,000,000 |
| Preferred stock, par value | $ 0.01 | $ 0.01 |
| Treasury stock, common shares | 2,628,363 | 2,625,062 |