Accumulated Other Comprehensive Income (Loss) - Schedule of Changes in AOCI (Details) - USD ($) $ in Thousands	12 Months Ended
	May 31, 2025	May 31, 2024	May 31, 2023
AOCI, Net of Tax [Roll Forward]
Beginning balance	$ 4,316,372	$ 3,863,986	$ 3,308,196
Other comprehensive (loss) income before reclassifications	(720)	19,407
Amounts reclassified from accumulated other comprehensive income (loss)	(6,092)	(5,984)
Other comprehensive (loss) income, net of tax expense of $249, $5,070 and $1,358, respectively	(6,812)	13,423	(30,139)
Ending balance	4,684,481	4,316,372	3,863,986
Total
AOCI, Net of Tax [Roll Forward]
Beginning balance	91,201	77,778	107,917
Other comprehensive (loss) income, net of tax expense of $249, $5,070 and $1,358, respectively	(6,812)	13,423	(30,139)
Ending balance	84,389	91,201	77,778
Foreign Currency
AOCI, Net of Tax [Roll Forward]
Beginning balance	(18,292)	(17,001)
Other comprehensive (loss) income before reclassifications	(7,441)	(1,291)
Amounts reclassified from accumulated other comprehensive income (loss)	0	0
Other comprehensive (loss) income, net of tax expense of $249, $5,070 and $1,358, respectively	(7,441)	(1,291)
Ending balance	(25,733)	(18,292)	(17,001)
Unrealized Income on Interest Rate Locks
AOCI, Net of Tax [Roll Forward]
Beginning balance	108,893	96,714
Other comprehensive (loss) income before reclassifications	5,752	18,163
Amounts reclassified from accumulated other comprehensive income (loss)	(6,092)	(5,984)
Other comprehensive (loss) income, net of tax expense of $249, $5,070 and $1,358, respectively	(340)	12,179
Ending balance	108,553	108,893	96,714
Other
AOCI, Net of Tax [Roll Forward]
Beginning balance	600	(1,935)
Other comprehensive (loss) income before reclassifications	969	2,535
Amounts reclassified from accumulated other comprehensive income (loss)	0	0
Other comprehensive (loss) income, net of tax expense of $249, $5,070 and $1,358, respectively	969	2,535
Ending balance	$ 1,569	$ 600	$ (1,935)