STOCK-BASED COMPENSATION - Compensation Expense (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Mar. 31, 2024 |
Mar. 31, 2023 |
Mar. 31, 2022 |
|
| Stock-based compensation expense | |||
| Stock-based compensation expense before income taxes | $ 335.6 | $ 317.8 | $ 183.0 |
| Provision for (benefit from) income taxes | (12.2) | (45.8) | (35.4) |
| Stock-based compensation expense, net of income tax benefit | 323.4 | 272.0 | 147.6 |
| Capitalized stock-based compensation expense | 85.4 | 74.4 | 82.1 |
| Cost of revenue | |||
| Stock-based compensation expense | |||
| Stock-based compensation expense before income taxes | 24.4 | (9.5) | 48.4 |
| Selling and marketing | |||
| Stock-based compensation expense | |||
| Stock-based compensation expense before income taxes | 95.3 | 95.2 | 30.0 |
| General and administrative | |||
| Stock-based compensation expense | |||
| Stock-based compensation expense before income taxes | 111.5 | 115.5 | 66.5 |
| Research and development | |||
| Stock-based compensation expense | |||
| Stock-based compensation expense before income taxes | $ 104.4 | $ 116.6 | $ 38.1 |