Pretax Net Actuarial Loss and Prior Service (Cost) Credits Recognized in Accumulated Other Comprehensive Income (Loss) not Affecting Retained Earnings, Pension (Detail) - Pension Benefits - USD ($) $ in Thousands	May 31, 2024	May 31, 2023
U.S. Plans
Schedule of Net Periodic Benefit Costs and Assumptions for Defined Benefit Postretirement Plans [Line Items]
Net actuarial loss	$ (126,481)	$ (205,025)
Prior service (costs) credit	(8)	(10)
Total recognized in accumulated other comprehensive income not affecting retained earnings	(126,489)	(205,035)
Non-U.S. Plans
Schedule of Net Periodic Benefit Costs and Assumptions for Defined Benefit Postretirement Plans [Line Items]
Net actuarial loss	(32,209)	(29,764)
Prior service (costs) credit	424	530
Total recognized in accumulated other comprehensive income not affecting retained earnings	$ (31,785)	$ (29,234)