Fair Value - Additional Information (Detail) - USD ($)	Feb. 28, 2026	May 31, 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short-term loan facilities	$ 192,700,000	$ 149,200,000
Fair Value, Nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair market value of assets	0	10,400,000
Revolving Credit Facility
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short-term loan facilities	$ 192,700,000	$ 149,200,000