Other Comprehensive (Loss) Income - Summary of Tax Effects on Each Component of OCI (Detail) - USD ($) $ in Thousands	3 Months Ended
Aug. 31, 2021	Aug. 31, 2020
Components Of Other Comprehensive Income Loss [Abstract]
Foreign currency translation, before tax	$ (3,617)	$ 7,608
Foreign currency translation, tax	(358)	700
Foreign currency translation, net of tax	(3,975)	8,308
Pension liability adjustment, before tax	0	488
Pension liability adjustment, tax	0	(116)
Pension liability adjustment, net of tax	0	372
Cash flow hedges, before tax	(199)	3,253
Cash flow hedges, tax	(100)	(691)
Cash flow hedges, net of tax	(299)	2,562
Other comprehensive (loss) income, before tax	(3,816)	11,349
Other comprehensive (loss) income, tax	(458)	(107)
Other comprehensive (loss) income	$ (4,274)	$ 11,242

Amount before tax, after reclassification adjustments of other comprehensive income (loss).

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