v3.26.1
Employee Stock-Based Compensation - Schedule of Assumptions Applied for the Fair Value of Market-Based RSUs Using the Monte-Carlo Simulation Method (Details) - $ / shares
12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
 Employee Stock Purchase Plans      
Employee Benefit Plan      
Expected dividend rate 1.79% 1.35% 1.61%
Risk-free interest rate 3.90% 4.71% 5.36%
Expected volatility 38.00% 29.00% 33.00%
Expected term (years) 6 months 6 months 6 months
Weighted average grant date fair value per share (in dollars per share) $ 23.10 $ 21.74 $ 19.02
PSUs      
Employee Benefit Plan      
Expected dividend rate 1.63% 1.41% 1.90%
Risk-free interest rate 3.90% 4.55% 3.83%
Expected volatility 37.00% 38.00% 41.00%
Expected term (years) 3 years 3 years 3 years
Weighted average grant date fair value per share (in dollars per share) $ 90 $ 91 $ 67