Accumulated Other Comprehensive Income (Loss) - Schedule of Changes in Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Nov. 30, 2024	Aug. 31, 2024	Nov. 30, 2023	Aug. 31, 2023	Nov. 30, 2024	Nov. 30, 2023
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	$ 4,021,423	$ 4,316,372	$ 4,077,635	$ 3,863,986	$ 4,316,372	$ 3,863,986
Other comprehensive income (loss) before reclassifications	(13,330)	(6,300)	7,665	10,833
Amounts reclassified from accumulated other comprehensive income (loss)	(1,523)	(1,523)	(1,495)	(1,442)
Other comprehensive (loss) income, net of tax expense (benefit) of $1,253, $2,742, $(2,668) and $5,061, respectively	(14,853)	(7,823)	6,170	9,391	(22,676)	15,561
Ending balance	4,293,106	4,021,423	3,994,481	4,077,635	4,293,106	3,994,481
Total
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	83,378	91,201	87,169	77,778	91,201	77,778
Other comprehensive (loss) income, net of tax expense (benefit) of $1,253, $2,742, $(2,668) and $5,061, respectively	(14,853)	(7,823)	6,170	9,391
Ending balance	68,525	83,378	93,339	87,169	68,525	93,339
Foreign Currency
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(14,636)	(18,292)	(14,367)	(17,001)	(18,292)	(17,001)
Other comprehensive income (loss) before reclassifications	(18,491)	3,656	(1,813)	2,634
Amounts reclassified from accumulated other comprehensive income (loss)	0	0	0	0
Other comprehensive (loss) income, net of tax expense (benefit) of $1,253, $2,742, $(2,668) and $5,061, respectively	(18,491)	3,656	(1,813)	2,634
Ending balance	(33,127)	(14,636)	(16,180)	(14,367)	(33,127)	(16,180)
Unrealized Income on Interest Rate Locks
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	97,414	108,893	103,471	96,714	108,893	96,714
Other comprehensive income (loss) before reclassifications	5,161	(9,956)	9,099	8,199
Amounts reclassified from accumulated other comprehensive income (loss)	(1,523)	(1,523)	(1,495)	(1,442)
Other comprehensive (loss) income, net of tax expense (benefit) of $1,253, $2,742, $(2,668) and $5,061, respectively	3,638	(11,479)	7,604	6,757
Ending balance	101,052	97,414	111,075	103,471	101,052	111,075
Other
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	600	600	(1,935)	(1,935)	600	(1,935)
Other comprehensive income (loss) before reclassifications	0	0	379	0
Amounts reclassified from accumulated other comprehensive income (loss)	0	0	0	0
Other comprehensive (loss) income, net of tax expense (benefit) of $1,253, $2,742, $(2,668) and $5,061, respectively	0	0	379	0
Ending balance	$ 600	$ 600	$ (1,556)	$ (1,935)	$ 600	$ (1,556)