Derivative Instruments and Hedging Activities - Additional Information (Detail) - USD ($)	12 Months Ended
	May 31, 2021	May 31, 2020
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	$ 16,594,000	$ 1,780,000
Losses in accumulated other comprehensive income expected to be reclassified into net earnings	58,732,000
Losses in accumulated other comprehensive income expected to be reclassified into net earnings, tax	$ 18,169,000