v3.26.1
Stock Plans (Tables)
 12 Months Ended
Mar. 31, 2026
Share-Based Payment Arrangement [Abstract]  
Schedule of Stock-Based Compensation Expense
The following table presents the stock-based compensation expense included in cost of revenues, sales and marketing, research and development, general and administrative and restructuring expenses for the years ended March 31, 2026, 2025 and 2024. Stock-based compensation is attributable to RSUs, PSUs and the ESPP.
 Year Ended March 31,
 202620252024
Cost of revenues$5,239 $5,744 $6,832 
Sales and marketing51,173 47,627 36,630 
Research and development28,538 24,028 21,585 
General and administrative33,936 31,216 27,987 
Restructuring4,539 4,647 1,517 
Stock-based compensation expense$123,425 $113,262 $94,551 
Schedule of Restricted Stock Unit Activity
Restricted stock unit activity was as follows:
 
Number of
Shares		Weighted-Average
Grant Date
Fair Value
Outstanding as of March 31, 20251,806 $111.75 
Granted1,292 138.02 
Vested(1,178)103.94 
Forfeited(178)145.93 
Outstanding as of March 31, 20261,742 $133.22 
Schedule of Market PSU Valuation Assumptions
We estimated the fair value of market PSUs using the Monte Carlo simulation model and ESPP using the Black-Scholes option valuation model, with the following weighted average assumptions:

 Year Ended March 31,
 202620252024
Market PSUs:
Expected life (years)3.03.03.0
Risk-free interest rate4.0 %4.5 %3.7 %
Volatility38.4 %32.1 %34.8 %
Dividend yield— %— %— %
ESPP:
Expected life (years)0.50.50.5
Risk-free interest rate
3.6% - 4.1%
4.3% - 5.0%
5.3% - 5.6%
Volatility
51.7% - 68.4%
39.4% - 49.3%
21.8% - 24.0%
Dividend yield— %— %— %
Schedule of ESPP Valuation Assumptions
We estimated the fair value of market PSUs using the Monte Carlo simulation model and ESPP using the Black-Scholes option valuation model, with the following weighted average assumptions:

 Year Ended March 31,
 202620252024
Market PSUs:
Expected life (years)3.03.03.0
Risk-free interest rate4.0 %4.5 %3.7 %
Volatility38.4 %32.1 %34.8 %
Dividend yield— %— %— %
ESPP:
Expected life (years)0.50.50.5
Risk-free interest rate
3.6% - 4.1%
4.3% - 5.0%
5.3% - 5.6%
Volatility
51.7% - 68.4%
39.4% - 49.3%
21.8% - 24.0%
Dividend yield— %— %— %