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		9 Months Ended
	Feb. 28, 2023	Feb. 28, 2022	Feb. 28, 2023	Feb. 28, 2022
Numerator (basic & diluted):
Net earnings attributable to controlling interest - income available to common shareholders	$ 46,325	$ 56,342	$ 126,625	$ 299,134
Denominator:
Denominator for basic earnings share attributable to controlling interest - weighted average common shares	48,587	49,749	48,541	50,331
Effect of dilutive securities	906	892	815	944
Denominator for diluted earnings per share attributable to controlling interest - adjusted weighted average common shares	49,493	50,641	49,356	51,275
Basic earnings per share attributable to controlling interest	$ 0.95	$ 1.13	$ 2.61	$ 5.94
Diluted earnings per share attributable to controlling interest	$ 0.94	$ 1.11	$ 2.57	$ 5.83