Employee Benefit Plans - Schedule of Asset Allocations in the Pension Plan (Details)	May 31, 2024	May 31, 2023
Defined Benefit Plan Disclosure [Line Items]
Target Asset Allocation	100.00%
Actual Asset Allocation	100.00%	100.00%
Large cap equity
Defined Benefit Plan Disclosure [Line Items]
Target Asset Allocation	26.00%
Actual Asset Allocation	25.70%	27.30%
Small cap equity
Defined Benefit Plan Disclosure [Line Items]
Target Asset Allocation	5.00%
Actual Asset Allocation	4.50%	5.20%
International equity
Defined Benefit Plan Disclosure [Line Items]
Target Asset Allocation	8.00%
Actual Asset Allocation	7.90%	8.80%
Fixed income
Defined Benefit Plan Disclosure [Line Items]
Target Asset Allocation	45.00%
Actual Asset Allocation	45.90%	44.80%
Absolute return strategy funds
Defined Benefit Plan Disclosure [Line Items]
Target Asset Allocation	16.00%
Actual Asset Allocation	12.50%	13.60%
Cash
Defined Benefit Plan Disclosure [Line Items]
Target Asset Allocation	0.00%
Actual Asset Allocation	3.50%	0.30%