Derivative Instruments and Hedging Activities - Additional Information (Detail) - USD ($)	3 Months Ended	12 Months Ended
	Aug. 31, 2021	May 31, 2021
Derivative Instruments And Hedging Activities Disclosure [Abstract]
Impact to fair value of derivative assets and liabilities as a result of recognition on a gross basis	$ 13,907,000	$ 16,594,000
Gains in accumulated other comprehensive income expected to be reclassified into net earnings	58,280,000
Gains in accumulated other comprehensive income expected to be reclassified into net earnings, tax	$ 18,219,000