Property and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
	May 31, 2023	May 31, 2022	May 31, 2021
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 3,758,745	$ 3,535,592
Accumulated depreciation	(2,362,269)	(2,211,919)
Property and equipment, net	1,396,476	1,323,673
Land
Property, Plant and Equipment [Line Items]
Property and equipment, gross	190,707	191,878
Buildings and improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	714,376	699,430
Equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	2,699,728	2,548,796
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	44,897	43,426
Construction in progress
Property, Plant and Equipment [Line Items]
Property and equipment, gross	109,037	52,062
Internal use software
Property, Plant and Equipment [Line Items]
Property and equipment, gross	308,500	293,900
Accumulated depreciation	$ (202,000)	(177,600)
Property and equipment, useful lives	10 years
Amortization expense	$ 24,500	$ 23,500	$ 22,300