Comprehensive Income - Schedule of Components of Accumulated Other Comprehensive Loss (Detail) - USD ($) $ in Thousands	Apr. 30, 2025	Apr. 30, 2024
Equity [Abstract]
Foreign currency translation adjustments	$ (93,904)	$ (116,004)
Deferred compensation and pension plan adjustments, net of taxes	7,604	8,370
Marketable securities unrealized gain (loss), net of tax	57	(37)
Accumulated other comprehensive loss, net	$ (86,243)	$ (107,671)

Amount, after tax, of accumulated increase (decrease) in equity from transaction and other event and circumstance from nonowner source.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant