Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	May 31, 2021	May 31, 2020	May 31, 2019
Statement Of Income And Comprehensive Income [Abstract]
Net earnings	$ 741,450	$ 84,444	$ 163,273
Other comprehensive income (loss):
Foreign currency translation, net of tax	10,921	10,497	(14,772)
Pension liability adjustment, net of tax	5,931	(4,030)	(1,785)
Cash flow hedges, net of tax	63,752	1,780	(12,447)
Other comprehensive income (loss)	80,604	8,247	(29,004)
Comprehensive income	822,054	92,691	134,269
Comprehensive income attributable to noncontrolling interests	17,655	5,648	9,698
Comprehensive income attributable to controlling interest	$ 804,399	$ 87,043	$ 124,571