Income Taxes - Additional Information (Detail) - USD ($)	3 Months Ended
Aug. 31, 2025	Aug. 31, 2024	May 31, 2025
Income Taxes [Line Items]
Effective income tax (benefit) expense rate	23.60%	21.30%
Corporate income tax rate	21.00%	21.00%
Deferred income tax liability	$ 0		$ 0
Unremitted foreign earnings	169,600,000		$ 164,700,000
Provision for deferred income taxes	$ 0
Minimum tax rate on reported profits from OECD framework	15.00%

Corporate income tax rate.

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- Definition

Income Taxes [Line Items]

+ References

No definition available.

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- Definition

Minimum tax rate on reported profits from OECD framework.

+ References

No definition available.

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- Definition

Amount of deferred tax liability attributable to taxable temporary differences from undistributed earnings of subsidiary and other recognized entity not within country of domicile. Includes, but is not limited to, other basis differences.

+ References

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- Definition

Amount of deferred tax liability not recognized because of the exceptions to comprehensive recognition of deferred taxes related to undistributed earnings of foreign subsidiaries.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount of undistributed earnings of foreign subsidiaries intended to be permanently reinvested outside the country of domicile.

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