v3.26.1
GOODWILL AND INTANGIBLE ASSETS, NET - Narrative (Details) - USD ($)
$ in Millions
12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
Capitalized software development costs and licenses      
Goodwill gross $ 6,949.2 $ 6,944.6  
Accumulated impairments 5,887.3 5,887.3  
Goodwill 1,061.9 1,057.3 $ 4,426.4
Goodwill impairment 0.0 3,545.2 2,342.1
Other intangibles, net 22.0    
IPR&D project with a fair value 14.0    
Impairment charges $ 24.1   $ 577.4
Impairment, Intangible Asset, Finite-Lived, Statement of Income or Comprehensive Income [Extensible Enumeration] Cost of revenue    
Developed Game Technology      
Capitalized software development costs and licenses      
Straight line basis over its estimated useful life 3 years    
Location, Statement of Income, Balance [Axis]: us-gaap:CostOfRevenue      
Capitalized software development costs and licenses      
Impairment charges   $ 137.0  
Impairment, Intangible Asset, Finite-Lived, Statement of Income or Comprehensive Income [Extensible Enumeration]   Cost of revenue  
Location, Statement of Income, Balance [Axis]: us-gaap:DepreciationDepletionAndAmortization      
Capitalized software development costs and licenses      
Impairment charges   $ 39.3  
Impairment, Intangible Asset, Finite-Lived, Statement of Income or Comprehensive Income [Extensible Enumeration]   Depreciation and amortization