INCOME TAXES - Current Income Tax (Details) - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2021
Components of (loss) income before income taxes
Domestic	$ (937.0)	$ 357.5	$ 468.0
Foreign	(401.1)	107.9	209.8
(Loss) income before income taxes	(1,338.1)	465.4	677.8
Current:
U.S. federal	70.2	12.0	18.4
U.S. state and local	3.3	(0.6)	6.0
Foreign	98.0	24.1	27.4
Total current income taxes	171.5	35.5	51.8
Deferred:
U.S. federal	(175.4)	34.8	43.6
U.S. state and local	(31.4)	2.9	1.1
Foreign	(178.1)	(25.8)	(7.6)
Total deferred income taxes	(384.9)	11.9	37.1
(Benefit from) provision for income taxes	$ (213.4)	$ 47.4	$ 88.9
Reconciliation of effective tax rate to the U.S. statutory federal income tax rate
U.S. federal statutory rate	21.00%	21.00%	21.00%
State and local taxes, net of U.S. federal benefit	2.00%	1.20%	1.10%
Foreign tax rate differential	(0.30%)	(1.80%)	(2.90%)
Foreign earnings	(1.30%)	(2.30%)	(0.10%)
Tax credits	5.70%	(6.60%)	(4.30%)
Excess tax benefits from stock-based compensation	(0.50%)	(3.10%)	(2.00%)
Earn-out adjustments	(0.40%)	2.20%	0.00%
Valuation allowance—domestic	(6.30%)	(0.10%)	0.10%
Valuation allowance—foreign	(0.10%)	0.40%	0.00%
Nondeductible compensation	(0.90%)	0.40%	0.30%
Global intangible low-taxed income	(3.10%)	0.10%	0.30%
Foreign-derived intangible income	1.80%	(0.90%)	(0.80%)
Change in reserves	(0.10%)	(0.90%)	(0.40%)
Other	(1.60%)	0.60%	0.80%
Effective tax rate	15.90%	10.20%	13.10%
Nondeductible expense	$ 8.2