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		6 Months Ended
	Nov. 30, 2022	Nov. 30, 2021	Nov. 30, 2022	Nov. 30, 2021
Numerator (basic & diluted):
Net earnings attributable to controlling interest - income available to common shareholders	$ 16,218	$ 110,301	$ 80,300	$ 242,792
Denominator:
Denominator for basic earnings share attributable to controlling interest - weighted average common shares	48,558	50,381	48,518	50,618
Effect of dilutive securities	772	833	775	914
Denominator for diluted earnings per share attributable to controlling interest - adjusted weighted average common shares	49,330	51,214	49,293	51,532
Basic earnings per share attributable to controlling interest	$ 0.33	$ 2.19	$ 1.66	$ 4.80
Diluted earnings per share attributable to controlling interest	$ 0.33	$ 2.15	$ 1.63	$ 4.71