v3.26.1
Stock-based compensation - Summary of RSU Awards and PSU Awards Activity (Details) - $ / shares
12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
RSU      
Number of shares      
Unvested awards outstanding, beginning of the fiscal year (in shares) 3,240,371    
Granted (in shares) 1,633,719    
Vested (in shares) (1,528,957)    
Forfeited (in shares) (246,378)    
Unvested awards outstanding, end of the fiscal year (in shares) 3,098,755 3,240,371  
Weighted average grant date fair value per share      
Unvested awards outstanding, beginning of fiscal year (in USD per share) $ 37.04    
Granted (in USD per share) 69.19 $ 41.52 $ 41.55
Vested (in USD per share) 32.38    
Forfeited (in USD per share) 46.39    
Unvested awards outstanding, end of fiscal year (in USD per share) $ 55.78 $ 37.04  
PSU      
Number of shares      
Unvested awards outstanding, beginning of the fiscal year (in shares) 1,919,723    
Granted (in shares) 1,090,085    
Vested (in shares) (2,217,548)    
Unvested awards outstanding, end of the fiscal year (in shares) 792,260 1,919,723  
Weighted average grant date fair value per share      
Unvested awards outstanding, beginning of fiscal year (in USD per share) $ 59.70    
Granted (in USD per share) 75.92    
Vested (in USD per share) 64.05    
Unvested awards outstanding, end of fiscal year (in USD per share) $ 67.09 $ 59.70  
PSU Awards Granted in FY 2023      
Number of shares      
Granted (in shares) 260,730    
PSU Awards Granted in FY 2024      
Number of shares      
Unvested awards outstanding, end of the fiscal year (in shares) 436,675    
PSU Awards Vested in FY 2023      
Number of shares      
Granted (in shares) 260,730    
PSU Awards Vested in FY 2024      
Number of shares      
Unvested awards outstanding, end of the fiscal year (in shares) 873,350