GOODWILL AND INTANGIBLE ASSETS, NET - Amortization of Intangible Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2021
Capitalized software development costs and licenses
Total amortization of intangible assets	$ 1,506.7	$ 64.8	$ 32.2
Impairment charges	$ 465.3	0.0	0.0
Impairment, Intangible Asset, Finite-Lived, Statement of Income or Comprehensive Income [Extensible Enumeration]	Cost of revenue
Cost of revenue
Capitalized software development costs and licenses
Total amortization of intangible assets	$ 1,171.5	52.0	21.2
Selling and marketing
Capitalized software development costs and licenses
Total amortization of intangible assets	277.1	5.3	3.6
Research and development
Capitalized software development costs and licenses
Total amortization of intangible assets	24.6	5.5	6.7
Depreciation and amortization
Capitalized software development costs and licenses
Total amortization of intangible assets	$ 33.5	$ 2.0	$ 0.7