Consolidated Balance Sheets (Parenthetical) - $ / shares	May 31, 2022	Aug. 31, 2021
Statement Of Financial Position [Abstract]
Common stock, shares issued	135,183,927	134,625,379
Common stock, shares outstanding	132,547,111	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	2,636,816	2,625,062