Accumulated Other Comprehensive Income (Loss) - Schedule of Reclassifications (Details) - USD ($) $ in Thousands	12 Months Ended
	May 31, 2023	May 31, 2022	May 31, 2021
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest expense	$ 111,232	$ 88,844	$ 98,210
Tax expense	(345,138)	(263,011)	(176,781)
Amortization of interest rate locks, net of tax	1,348,010	1,235,757	$ 1,110,968
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent | Reclassification out of Accumulated Other Comprehensive Income
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Tax expense	(2,049)	(672)
Amortization of interest rate locks, net of tax	6,085	2,061
Interest Rate Contract | Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent | Reclassification out of Accumulated Other Comprehensive Income
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest expense	$ 8,134	$ 2,733