Accumulated Other Comprehensive Income (Loss) - Schedule of Reclassifications (Details) - USD ($) $ in Thousands	12 Months Ended
	May 31, 2024	May 31, 2023	May 31, 2022
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Amortization of interest rate locks	$ 100,740	$ 111,232	$ 88,844
Tax expense	(402,043)	(345,138)	(263,011)
Net income	1,571,592	1,348,010	$ 1,235,757
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	(2,014)	(2,049)
Net income	5,984	6,085
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]
Amortization of interest rate locks	$ 7,998	$ 8,134