Earnings Per Share - Computation of Basic and Diluted Earnings Per Share Attributable to Controlling Interest (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Aug. 31, 2023	Aug. 31, 2022
Numerator (basic & diluted):
Net earnings attributable to controlling interest - income available to common shareholders	$ 96,106	$ 64,082
Denominator:
Denominator for basic earnings share attributable to controlling interest - weighted average common shares	48,842	48,478
Effect of dilutive securities	1,044	760
Denominator for diluted earnings per share attributable to controlling interest - adjusted weighted average common shares	49,886	49,238
Basic earnings per common share attributable to controlling interest	$ 1.97	$ 1.32
Diluted earnings per common share attributable to controlling interest	$ 1.93	$ 1.3