STOCK-BASED COMPENSATION - Compensation Expense (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Mar. 31, 2025 |
Mar. 31, 2024 |
Mar. 31, 2023 |
|
| Stock-based compensation expense | |||
| Stock-based compensation expense before income taxes | $ 324.0 | $ 335.6 | $ 317.8 |
| Provision for (benefit from) income taxes | (6.5) | (12.2) | (45.8) |
| Stock-based compensation expense, net of income tax benefit | 317.5 | 323.4 | 272.0 |
| Capitalized stock-based compensation expense | 81.4 | 85.4 | 74.4 |
| Cost of revenue | |||
| Stock-based compensation expense | |||
| Stock-based compensation expense before income taxes | 9.4 | 24.4 | (9.5) |
| Selling and marketing | |||
| Stock-based compensation expense | |||
| Stock-based compensation expense before income taxes | 92.4 | 95.3 | 95.2 |
| General and administrative | |||
| Stock-based compensation expense | |||
| Stock-based compensation expense before income taxes | 123.2 | 111.5 | 115.5 |
| Research and development | |||
| Stock-based compensation expense | |||
| Stock-based compensation expense before income taxes | $ 99.0 | $ 104.4 | $ 116.6 |