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. 29, 2024	Nov. 30, 2023	Aug. 31, 2023	Feb. 28, 2023	Nov. 30, 2022	Aug. 31, 2022	Feb. 29, 2024	Feb. 28, 2023
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	$ 3,994,481	$ 4,077,635	$ 3,863,986	$ 3,430,538	$ 3,229,626	$ 3,308,196	$ 3,863,986	$ 3,308,196
Other comprehensive (loss) income before reclassifications	(5,492)	7,665	10,833	(6,471)	(2,507)	(18,272)
Amounts reclassified from accumulated other comprehensive income (loss)	(1,524)	(1,495)	(1,442)	(1,521)	(1,521)	(1,521)
Other comprehensive (loss) income, net of tax (benefit) expense of $(2,239), $1, $2,822 and $1,827, respectively	(7,016)	6,170	9,391	(7,992)	(4,028)	(19,793)	8,545	(31,813)
Ending balance	4,234,083	3,994,481	4,077,635	3,633,256	3,430,538	3,229,626	4,234,083	3,633,256
Total
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	93,339	87,169	77,778	84,096	88,124	107,917	77,778	107,917
Other comprehensive (loss) income, net of tax (benefit) expense of $(2,239), $1, $2,822 and $1,827, respectively	(7,016)	6,170	9,391	(7,992)	(4,028)	(19,793)
Ending balance	86,323	93,339	87,169	76,104	84,096	88,124	86,323	76,104
Foreign Currency
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(16,180)	(14,367)	(17,001)	(12,101)	(2,200)	17,006	(17,001)	17,006
Other comprehensive (loss) income before reclassifications	(450)	(1,813)	2,634	(7,972)	(9,901)	(19,206)
Amounts reclassified from accumulated other comprehensive income (loss)	0	0	0	0	0	0
Other comprehensive (loss) income, net of tax (benefit) expense of $(2,239), $1, $2,822 and $1,827, respectively	(450)	(1,813)	2,634	(7,972)	(9,901)	(19,206)
Ending balance	(16,630)	(16,180)	(14,367)	(20,073)	(12,101)	(2,200)	(16,630)	(20,073)
Unrealized Income on Interest Rate Locks
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	111,075	103,471	96,714	97,974	92,101	92,688	96,714	92,688
Other comprehensive (loss) income before reclassifications	(5,042)	9,099	8,199	1,501	7,394	934
Amounts reclassified from accumulated other comprehensive income (loss)	(1,524)	(1,495)	(1,442)	(1,521)	(1,521)	(1,521)
Other comprehensive (loss) income, net of tax (benefit) expense of $(2,239), $1, $2,822 and $1,827, respectively	(6,566)	7,604	6,757	(20)	5,873	(587)
Ending balance	104,509	111,075	103,471	97,954	97,974	92,101	104,509	97,954
Other
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(1,556)	(1,935)	(1,935)	(1,777)	(1,777)	(1,777)	(1,935)	(1,777)
Other comprehensive (loss) income before reclassifications	0	379	0	0	0	0
Amounts reclassified from accumulated other comprehensive income (loss)	0	0	0	0	0	0
Other comprehensive (loss) income, net of tax (benefit) expense of $(2,239), $1, $2,822 and $1,827, respectively	0	379	0	0	0	0
Ending balance	$ (1,556)	$ (1,556)	$ (1,935)	$ (1,777)	$ (1,777)	$ (1,777)	$ (1,556)	$ (1,777)