Changes Recognized in Other Comprehensive Income, Pension (Detail) - USD ($) $ in Thousands	12 Months Ended
	May 31, 2024	May 31, 2023	May 31, 2022
Amounts recognized as a component of net periodic benefit cost:
Total recognized in other comprehensive loss (income)	$ (64,117)	$ (4,619)	$ (37,227)
Pension Benefits | U.S. Plans
Changes in plan assets and benefit obligations recognized in other comprehensive loss (income):
Prior service cost		4
Net (gain) loss arising during the year	(61,722)	8,363
Amounts recognized as a component of net periodic benefit cost:
Amortization or curtailment recognition of prior service (cost) benefit	(2)	(1)
Amortization or settlement recognition of net (loss)	(16,822)	(17,945)
Total recognized in other comprehensive loss (income)	(78,546)	(9,579)
Pension Benefits | Non-U.S. Plans
Changes in plan assets and benefit obligations recognized in other comprehensive loss (income):
Prior service cost	(1)	(98)
Net (gain) loss arising during the year	3,075	5,816
Effect of exchange rates on amounts included in AOCI	133	(1,405)
Amounts recognized as a component of net periodic benefit cost:
Amortization or curtailment recognition of prior service (cost) benefit	127	115
Amortization or settlement recognition of net (loss)	(783)	(660)
Total recognized in other comprehensive loss (income)	$ 2,551	$ 3,768