Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	May 31, 2022	May 31, 2021	May 31, 2020
Statement of Comprehensive Income [Abstract]
Net income	$ 1,235,757	$ 1,110,968	$ 876,037
Other comprehensive (loss) income, net of tax:
Foreign currency translation adjustments	(24,833)	68,182	(11,321)
Change in fair value of interest rate lock agreements, net of tax expense (benefit) of $34,932, $36,172 and $(32,793), respectively	102,057	106,843	(94,954)
Amortization of interest rate lock agreement, net of tax benefit of $672, $463 and $463, respectively	(2,061)	(1,433)	(1,433)
Other, net of tax expense (benefit) of $638, $3,578 and $(2,802), respectively	1,866	10,676	(8,495)
Other comprehensive income (loss), net of tax expense (benefit) of $36,242, $40,213 and $(35,132), respectively	77,029	184,268	(116,203)
Comprehensive income	$ 1,312,786	$ 1,295,236	$ 759,834