Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Aug. 31, 2022	May 31, 2022
Statement of Financial Position [Abstract]
Trade accounts receivable, allowances	$ 46,775	$ 46,669
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, authorized	50,000,000	50,000,000
Preferred stock, issued	0	0
Common stock, par value	$ 0.01	$ 0.01
Common stock, authorized	300,000,000	300,000,000
Common stock, issued	145,079,000	144,685,000
Common stock, outstanding	129,099,000	129,199,000