v3.25.1
STOCK-BASED COMPENSATION - Fair Value of Stock-Based Awards Narrative (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Mar. 31, 2023
Stock-based compensation      
Aggregate intrinsic value, options outstanding $ 93,300    
Proceeds from exercise of stock options 31,300    
Total grant date fair value of options vested 31,300    
Total grant date fair value of options exercised $ 124,600    
Performance Based Awards      
Stock-based compensation      
Options granted in period (in dollars per shares) $ 201.82 $ 139.21 $ 125.03
Stock Options      
Stock-based compensation      
Contract term 10 years    
Aggregate intrinsic value, options outstanding $ 40 $ 61,850  
Stock Options | Minimum      
Stock-based compensation      
Award vesting period 4 years    
Stock Options | Maximum      
Stock-based compensation      
Award vesting period 5 years    
Stock Options | Share-Based Payment Arrangement, Tranche One      
Stock-based compensation      
Award vesting period 1 year    
Stock Options | Share-Based Payment Arrangement, Tranche One | Minimum      
Stock-based compensation      
Vesting percentage 20.00%    
Stock Options | Share-Based Payment Arrangement, Tranche One | Maximum      
Stock-based compensation      
Vesting percentage 25.00%    
Stock Options | Share-Based Payment Arrangement, Tranche Two | Minimum      
Stock-based compensation      
Award vesting period 26 months    
Stock Options | Share-Based Payment Arrangement, Tranche Two | Maximum      
Stock-based compensation      
Award vesting period 48 months    
Zelnick Media Corporation | Performance Based Awards      
Stock-based compensation      
Options granted in period (in dollars per shares) $ 150.40 $ 148.42 125.90
Time Based      
Stock-based compensation      
Intrinsic value (in dollars per share) 162.17 138.25 118.17
Time Based | Zelnick Media Corporation      
Stock-based compensation      
Intrinsic value (in dollars per share) 163.64 137.59 128.90
Employee Market-Based      
Stock-based compensation      
Options granted in period (in dollars per shares) 241.52 195.85 179.93
Market-based restricted shares | Zelnick Media Corporation      
Stock-based compensation      
Options granted in period (in dollars per shares) $ 232.00 $ 193.41 $ 175.12