Accumulated Other Comprehensive Income (Loss) - Schedule of Changes in Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended
	Aug. 31, 2020	Feb. 29, 2020	Aug. 31, 2019	Feb. 28, 2019
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance	$ 3,235,202		$ 3,002,721
Other comprehensive income (loss) before reclassifications		$ 37,788		$ (23,179)
Amounts reclassified from accumulated other comprehensive income (loss)		(358)		(295)
Other comprehensive income (loss), net of tax expense (benefit) of $3,788 and $(9,665), respectively	37,430	37,430	(23,474)	(23,474)
Balance	3,604,804		3,050,706
Cumulative Effect, Period of Adoption, Adjustment
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance			(833)
Foreign Currency
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance	(26,343)		(15,022)
Other comprehensive income (loss) before reclassifications		26,946		6,724
Amounts reclassified from accumulated other comprehensive income (loss)		0		0
Other comprehensive income (loss), net of tax expense (benefit) of $3,788 and $(9,665), respectively		26,946		6,724
Balance		603		(8,298)
Foreign Currency | Cumulative Effect, Period of Adoption, Adjustment
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance			0
Unrealized Income (Loss) on Interest Rate Hedges
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance	(112,718)		(18,389)
Other comprehensive income (loss) before reclassifications		10,842		(29,903)
Amounts reclassified from accumulated other comprehensive income (loss)		(358)		(295)
Other comprehensive income (loss), net of tax expense (benefit) of $3,788 and $(9,665), respectively		10,484		(30,198)
Balance		(102,234)		(46,529)
Unrealized Income (Loss) on Interest Rate Hedges | Cumulative Effect, Period of Adoption, Adjustment
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance			2,058
Other
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance	(14,319)		(5,741)
Other comprehensive income (loss) before reclassifications		0		0
Amounts reclassified from accumulated other comprehensive income (loss)		0		0
Other comprehensive income (loss), net of tax expense (benefit) of $3,788 and $(9,665), respectively		0		0
Balance		(14,319)		(5,824)
Other | Cumulative Effect, Period of Adoption, Adjustment
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance			(83)
Total
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance	(153,380)		(39,152)
Other comprehensive income (loss), net of tax expense (benefit) of $3,788 and $(9,665), respectively	37,430		(23,474)
Balance	$ (115,950)	$ (115,950)	(60,651)	$ (60,651)
Total | Cumulative Effect, Period of Adoption, Adjustment
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance			$ 1,975