Accumulated Other Comprehensive Income (Loss) - Schedule of Reclassifications Out of Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Feb. 28, 2023	Nov. 30, 2022	Aug. 31, 2022	Feb. 28, 2022	Nov. 30, 2021	Aug. 31, 2021	Feb. 28, 2023	Feb. 28, 2022
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest expense	$ 28,819			$ 22,030			$ 85,459	$ 65,786
Income taxes	(92,539)			(70,183)			(245,470)	(176,020)
Net income	325,827	$ 324,293	$ 351,689	315,448	$ 294,669	$ 331,179	1,001,809	941,296
Amount Reclassified from Accumulated Other Comprehensive Income (Loss) | Unrealized Income (Loss) on Interest Rate Locks
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income taxes	(512)			(149)			(1,537)	(445)
Net income	1,521			459			4,563	1,378
Amount Reclassified from Accumulated Other Comprehensive Income (Loss) | Unrealized Income (Loss) on Interest Rate Locks | Interest Rate Locks
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest expense	$ 2,033			$ 608			$ 6,100	$ 1,823