Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Nov. 30, 2020	Nov. 30, 2019	Nov. 30, 2020	Nov. 30, 2019
Statement Of Income And Comprehensive Income [Abstract]
Net earnings (loss)	$ (68,512)	$ 56,922	$ 550,226	$ 54,467
Other comprehensive income (loss):
Foreign currency translation, net of tax	(1,051)	6,662	7,257	11,444
Pension liability adjustment, net of tax	(4)	95	368	1,108
Cash flow hedges, net of tax	15,218	3,213	17,781	574
Other comprehensive income	14,163	9,970	25,406	13,126
Comprehensive income (loss)	(54,349)	66,892	575,632	67,593
Comprehensive income attributable to noncontrolling interests	5,532	4,836	7,595	7,157
Comprehensive income (loss) attributable to controlling interest	$ (59,881)	$ 62,056	$ 568,037	$ 60,436