Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	May 31, 2025	May 31, 2024	May 31, 2023
Statement of Comprehensive Income [Abstract]
Net income	$ 1,812,281	$ 1,571,592	$ 1,348,010
Other comprehensive (loss) income, net of tax:
Foreign currency translation adjustments	(7,441)	(1,291)	(34,007)
Change in fair value of interest rate lock agreements, net of tax expense of $1,969, $6,217 and $3,461, respectively	5,752	18,163	10,111
Amortization of interest rate lock agreements, net of tax benefit of $(2,052), $(2,014) and $(2,049), respectively	(6,092)	(5,984)	(6,085)
Other, net of tax expense (benefit) of $332, $867 and $(54), respectively	969	2,535	(158)
Other comprehensive (loss) income, net of tax expense of $249, $5,070 and $1,358, respectively	(6,812)	13,423	(30,139)
Comprehensive income	$ 1,805,469	$ 1,585,015	$ 1,317,871