Consolidated Condensed Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Feb. 28, 2022	Feb. 28, 2021	Feb. 28, 2022	Feb. 28, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 315,448	$ 258,384	$ 941,296	$ 843,246
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	5,297	8,947	(26,191)	38,853
Change in fair value of interest rate lock agreements, net of tax expense of $11,832, $25,689, $3,022 and $34,761, respectively	34,567	75,850	8,828	102,634
Amortization of interest rate lock agreements, net of tax benefit of $149, $116, $445 and $347, respectively	(459)	(358)	(1,378)	(1,075)
Other comprehensive income (loss), net of tax expense of $11,981, $25,805, $3,467 and $35,108, respectively	39,405	84,439	(18,741)	140,412
Comprehensive income	$ 354,853	$ 342,823	$ 922,555	$ 983,658