ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ 3,331,892
Other comprehensive (loss) income before reclassifications	(48,681)	$ 50,800
Amounts reclassified from accumulated other comprehensive (loss) income		(1,933)
Tax effect on cross-currency swap		845
Ending balance	3,809,659	3,331,892
Foreign currency translation adjustments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(9,282)	(60,535)
Other comprehensive (loss) income before reclassifications	(43,589)	51,253
Amounts reclassified from accumulated other comprehensive (loss) income		0
Tax effect on cross-currency swap		0
Ending balance	(52,871)	(9,282)
Unrealized gain (loss) on derivative instruments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	0	600
Other comprehensive (loss) income before reclassifications	0	0
Amounts reclassified from accumulated other comprehensive (loss) income		(600)
Tax effect on cross-currency swap		0
Ending balance	0	0
Unrealized gain (loss) on cross-currency swap
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	0	4,305
Other comprehensive (loss) income before reclassifications	0	(3,817)
Amounts reclassified from accumulated other comprehensive (loss) income		(1,333)
Tax effect on cross-currency swap		845
Ending balance	0	0
Unrealized gain (loss) on available- for-sales securities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	618	(2,746)
Other comprehensive (loss) income before reclassifications	(5,092)	3,364
Amounts reclassified from accumulated other comprehensive (loss) income		0
Tax effect on cross-currency swap		0
Ending balance	(4,474)	618
Total
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(8,664)	(58,376)
Ending balance	$ (57,345)	$ (8,664)