Accumulated Other Comprehensive Income (Loss) - Schedule of Changes in Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Feb. 28, 2025	Nov. 30, 2024	Aug. 31, 2024	Feb. 29, 2024	Nov. 30, 2023	Aug. 31, 2023	Feb. 28, 2025	Feb. 29, 2024
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	$ 4,293,106	$ 4,021,423	$ 4,316,372	$ 3,994,481	$ 4,077,635	$ 3,863,986	$ 4,316,372	$ 3,863,986
Other comprehensive income (loss) before reclassifications	(9,952)	(13,330)	(6,300)	(5,492)	7,665	10,833
Amounts reclassified from accumulated other comprehensive income (loss)	(1,523)	(1,523)	(1,523)	(1,524)	(1,495)	(1,442)
Other comprehensive (loss) income, net of tax expense (benefit) of $1,273, $(2,239), $(1,395) and $2,822, respectively	(11,475)	(14,853)	(7,823)	(7,016)	6,170	9,391	(34,151)	8,545
Ending balance	4,592,248	4,293,106	4,021,423	4,234,083	3,994,481	4,077,635	4,592,248	4,234,083
Total
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	68,525	83,378	91,201	93,339	87,169	77,778	91,201	77,778
Other comprehensive (loss) income, net of tax expense (benefit) of $1,273, $(2,239), $(1,395) and $2,822, respectively	(11,475)	(14,853)	(7,823)	(7,016)	6,170	9,391
Ending balance	57,050	68,525	83,378	86,323	93,339	87,169	57,050	86,323
Foreign Currency
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(33,127)	(14,636)	(18,292)	(16,180)	(14,367)	(17,001)	(18,292)	(17,001)
Other comprehensive income (loss) before reclassifications	(15,168)	(18,491)	3,656	(450)	(1,813)	2,634
Amounts reclassified from accumulated other comprehensive income (loss)	0	0	0	0	0	0
Other comprehensive (loss) income, net of tax expense (benefit) of $1,273, $(2,239), $(1,395) and $2,822, respectively	(15,168)	(18,491)	3,656	(450)	(1,813)	2,634
Ending balance	(48,295)	(33,127)	(14,636)	(16,630)	(16,180)	(14,367)	(48,295)	(16,630)
Unrealized Income on Interest Rate Locks
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	101,052	97,414	108,893	111,075	103,471	96,714	108,893	96,714
Other comprehensive income (loss) before reclassifications	5,216	5,161	(9,956)	(5,042)	9,099	8,199
Amounts reclassified from accumulated other comprehensive income (loss)	(1,523)	(1,523)	(1,523)	(1,524)	(1,495)	(1,442)
Other comprehensive (loss) income, net of tax expense (benefit) of $1,273, $(2,239), $(1,395) and $2,822, respectively	3,693	3,638	(11,479)	(6,566)	7,604	6,757
Ending balance	104,745	101,052	97,414	104,509	111,075	103,471	104,745	104,509
Other
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	600	600	600	(1,556)	(1,935)	(1,935)	600	(1,935)
Other comprehensive income (loss) before reclassifications	0	0	0	0	379	0
Amounts reclassified from accumulated other comprehensive income (loss)	0	0	0	0	0	0
Other comprehensive (loss) income, net of tax expense (benefit) of $1,273, $(2,239), $(1,395) and $2,822, respectively	0	0	0	0	379	0
Ending balance	$ 600	$ 600	$ 600	$ (1,556)	$ (1,556)	$ (1,935)	$ 600	$ (1,556)