Other (Income) Expense, Net (Detail) - USD ($) $ in Thousands	12 Months Ended
May 31, 2026	May 31, 2025	May 31, 2024
Other Income and Expenses [Abstract]
Pension non-service (credits) costs	$ (9,969)	$ 200	$ 11,046
Other	(1,543)	(1,794)	(882)
Other (Income) Expense, Net	$ (11,512)	$ (1,594)	$ 10,164

Amount of income (expense) related to nonoperating activities, classified as other.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4A
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(9))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration