Accumulated Other Comprehensive Income (Loss) - Schedule of Changes in Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended
	Aug. 31, 2021	Aug. 31, 2020
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance	$ 3,687,847	$ 3,235,202
Other comprehensive income (loss) before reclassifications	(60,695)	37,788
Amounts reclassified from accumulated other comprehensive (loss) income	(459)	(358)
Other comprehensive (loss) income, net of tax (benefit) expense of $(12,406) and $3,788, respectively	(61,154)	37,430
Balance	3,309,203	3,604,804
Foreign Currency
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance	41,839	(26,343)
Other comprehensive income (loss) before reclassifications	(24,016)	26,946
Amounts reclassified from accumulated other comprehensive (loss) income	0	0
Other comprehensive (loss) income, net of tax (benefit) expense of $(12,406) and $3,788, respectively	(24,016)	26,946
Balance	17,823	603
Unrealized Loss on Interest Rate Hedges
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance	(7,308)	(112,718)
Other comprehensive income (loss) before reclassifications	(36,679)	10,842
Amounts reclassified from accumulated other comprehensive (loss) income	(459)	(358)
Other comprehensive (loss) income, net of tax (benefit) expense of $(12,406) and $3,788, respectively	(37,138)	10,484
Balance	(44,446)	(102,234)
Other
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance	(3,643)	(14,319)
Other comprehensive income (loss) before reclassifications	0	0
Amounts reclassified from accumulated other comprehensive (loss) income	0	0
Other comprehensive (loss) income, net of tax (benefit) expense of $(12,406) and $3,788, respectively	0	0
Balance	(3,643)	(14,319)
Total
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance	30,888	(153,380)
Other comprehensive (loss) income, net of tax (benefit) expense of $(12,406) and $3,788, respectively	(61,154)	37,430
Balance	$ (30,266)	$ (115,950)