Changes in Equity - Summary of Changes in Equity by Component and in Total (Detail) - USD ($) $ in Thousands	3 Months Ended
	Aug. 31, 2023	Aug. 31, 2022
Balance	$ 1,821,628	$ 1,613,962
Net earnings	99,703	65,244
Other comprehensive loss	(5,408)	(20,462)
Common shares issued, net of withholding tax	(5,130)	(3,466)
Common shares in non-qualified plans	130	136
Stock-based compensation	8,995	6,976
Cash dividends declared	(16,081)	(15,418)
Dividends to noncontrolling interests	(1,921)
Balance	1,901,916	1,646,972
Additional Paid-in Capital
Balance	290,799	273,439
Common shares issued, net of withholding tax	(5,130)	(3,466)
Common shares in non-qualified plans	130	136
Stock-based compensation	8,995	6,976
Balance	294,794	277,085
Accumulated Other Comprehensive Income (Loss), Net of Tax
Balance	(23,179)	(22,850)
Other comprehensive loss	(5,408)	(20,462)
Balance	(28,587)	(43,312)
Retained Earnings
Balance	1,428,391	1,230,163
Net earnings	96,106	64,082
Cash dividends declared	(16,081)	(15,418)
Balance	1,508,416	1,278,827
Parent
Balance	1,696,011	1,480,752
Net earnings	96,106	64,082
Other comprehensive loss	(5,408)	(20,462)
Common shares issued, net of withholding tax	(5,130)	(3,466)
Common shares in non-qualified plans	130	136
Stock-based compensation	8,995	6,976
Cash dividends declared	(16,081)	(15,418)
Balance	1,774,623	1,512,600
Noncontrolling Interest
Balance	125,617	133,210
Net earnings	3,597	1,162
Dividends to noncontrolling interests	(1,921)
Balance	$ 127,293	$ 134,372