Other Comprehensive (Loss) Income - Summary of Tax Effects on Each Component of OCI (Detail) - USD ($) $ in Thousands		3 Months Ended				6 Months Ended
	Nov. 30, 2021	Nov. 30, 2021	Aug. 31, 2021	Nov. 30, 2020	Aug. 31, 2020	Nov. 30, 2021	Nov. 30, 2020
Components Of Other Comprehensive Income Loss [Abstract]
Foreign currency translation, before tax		$ (4,507)		$ (1,027)		$ (8,124)	$ 6,581
Foreign currency translation, tax		(365)		(24)		(723)	676
Foreign currency translation, net of tax		(4,872)		(1,051)		(8,847)	7,257
Pension liability adjustment, before tax	$ 0			(4)		0	484
Pension liability adjustment, tax	0			0		0	(116)
Pension liability adjustment, net of tax	0			(4)		0	368
Cash flow hedges, before tax	(68,677)			19,540		(68,876)	22,793
Cash flow hedges, tax	15,691			(4,322)		15,591	(5,012)
Cash flow hedges, net of tax	(52,986)	(52,986)		15,218		(53,285)	17,781
Other comprehensive income (loss), before tax	(73,184)			18,509		(77,000)	29,858
Other comprehensive income (loss), tax	15,326			(4,346)		14,868	(4,452)
Other comprehensive (loss) income	$ (57,858)	$ (57,858)	$ (4,274)	$ 14,163	$ 11,242	$ (62,132)	$ 25,406