v3.26.1
SOFTWARE DEVELOPMENT COSTS AND LICENSES - Narrative (Details) - USD ($)
$ in Millions
12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
Capitalized software development costs and licenses      
Software development costs and licenses related to titles not released $ 2,149.7 $ 1,815.0  
Impairment of software development costs and licenses (1.0) 77.5 $ 109.9
Cost of revenue 2,846.7 2,571.4 3,107.8
2024 Plan      
Capitalized software development costs and licenses      
Impairment of software development costs and licenses (6.0) 35.1 88.2
Interactive Entertainment Software Products      
Capitalized software development costs and licenses      
Impairment of software development costs and licenses 5.0 42.4 21.7
Software Development Costs And Licenses      
Capitalized software development costs and licenses      
Software development costs and licenses reduced 233.2 170.5  
Cost of revenue 75.5 167.4 45.3
Research and development expense 9.9 43.2 $ 5.9
Software Development Costs And Licenses, Government Grants      
Capitalized software development costs and licenses      
Grants receivable, current 32.8 128.1  
Grants receivable, noncurrent $ 250.6 $ 150.6