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STOCK-BASED COMPENSATION - Stock-Based Compensation Expense Narrative (Details) - USD ($)
shares in Millions, $ in Millions
12 Months Ended
May 23, 2022
Mar. 31, 2024
Mar. 31, 2023
Mar. 31, 2022
Stock-based compensation        
Reversal of forfeiture awards   $ 2.4 $ 49.5 $ 0.7
Reversal of capitalized costs   7.4 11.9 3.2
Zynga Inc        
Stock-based compensation        
Replacement equity awards $ 151.7      
Acceleration of awards, cost   28.6    
Performance and market-based restricted stock awards        
Stock-based compensation        
Fair values of restricted stock units vested   309.3 $ 321.8 $ 208.6
Restricted Stock Units And Performance Share Units | Zynga Inc        
Stock-based compensation        
Future unrecognized compensation cost, net of estimated forfeitures   $ 114.9    
Number of awards issued (in shares) 4.2      
Unrecognized share-based compensation cost, period of recognition   1 year    
Stock Options | Zynga Inc        
Stock-based compensation        
Future unrecognized compensation cost, net of estimated forfeitures   $ 0.1    
Number of awards issued (in shares) 1.5      
Unrecognized share-based compensation cost, period of recognition   3 months 18 days    
Restricted Stock        
Stock-based compensation        
Future unrecognized compensation cost, net of estimated forfeitures   $ 684.2    
Weighted average remaining contractual terms   2 years 4 months 24 days