Employee Benefit Plans - Components of Net Periodic Pension (Benefit) Cost (Details) - USD ($) $ in Thousands	12 Months Ended
	May 31, 2023	May 31, 2022
Retirement Benefits [Abstract]
Interest cost	$ 3,089	$ 2,148
Expected return on assets	(3,350)	(3,651)
Net periodic pension benefit	$ (261)	$ (1,503)
Interest cost, extensible list not disclosed	Interest cost
Expected return on assets, extensible list not disclosed		Expected return on assets