Earnings Per Share - Computation of Basic and Diluted Earnings Per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	May 31, 2022	May 31, 2021	May 31, 2020
Numerator (basic & diluted):
Net earnings attributable to controlling interest - income available to common shareholders	$ 379,386	$ 723,795	$ 78,796
Denominator:
Denominator for basic earnings per share attributable to controlling interest-weighted average common shares	49,940	52,701	54,958
Effect of dilutive securities	1,053	1,216	1,025
Denominator for diluted earnings per share attributable to controlling interest-adjusted weighted average common shares	50,993	53,917	55,983
Basic earnings per share attributable to controlling interest	$ 7.60	$ 13.73	$ 1.43
Diluted earnings per share attributable to controlling interest	$ 7.44	$ 13.42	$ 1.41