Accumulated Other Comprehensive Income (Loss) - Schedule of Changes in AOCI (Details) - USD ($) $ in Thousands	12 Months Ended
	May 31, 2024	May 31, 2023	May 31, 2022
AOCI, Net of Tax [Roll Forward]
Beginning balance	$ 3,863,986	$ 3,308,196	$ 3,687,847
Other comprehensive (loss) income before reclassifications	19,407	(24,054)
Amounts reclassified from accumulated other comprehensive income (loss)	(5,984)	(6,085)
Other comprehensive income (loss), net of tax expense of $5,070, $1,358 and $34,898, respectively	13,423	(30,139)	77,029
Ending balance	4,316,372	3,863,986	3,308,196
Total
AOCI, Net of Tax [Roll Forward]
Beginning balance	77,778	107,917	30,888
Other comprehensive income (loss), net of tax expense of $5,070, $1,358 and $34,898, respectively	13,423	(30,139)	77,029
Ending balance	91,201	77,778	107,917
Foreign Currency
AOCI, Net of Tax [Roll Forward]
Beginning balance	(17,001)	17,006
Other comprehensive (loss) income before reclassifications	(1,291)	(34,007)
Amounts reclassified from accumulated other comprehensive income (loss)	0	0
Other comprehensive income (loss), net of tax expense of $5,070, $1,358 and $34,898, respectively	(1,291)	(34,007)
Ending balance	(18,292)	(17,001)	17,006
Unrealized Income on Interest Rate Locks
AOCI, Net of Tax [Roll Forward]
Beginning balance	96,714	92,688
Other comprehensive (loss) income before reclassifications	18,163	10,111
Amounts reclassified from accumulated other comprehensive income (loss)	(5,984)	(6,085)
Other comprehensive income (loss), net of tax expense of $5,070, $1,358 and $34,898, respectively	12,179	4,026
Ending balance	108,893	96,714	92,688
Other
AOCI, Net of Tax [Roll Forward]
Beginning balance	(1,935)	(1,777)
Other comprehensive (loss) income before reclassifications	2,535	(158)
Amounts reclassified from accumulated other comprehensive income (loss)	0	0
Other comprehensive income (loss), net of tax expense of $5,070, $1,358 and $34,898, respectively	2,535	(158)
Ending balance	$ 600	$ (1,935)	$ (1,777)