Stock-based Compensation - Schedule of Annual Stock Awards (Details) - $ / shares |
6 Months Ended | |
|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
|
| RSUs | ||
| Number of Shares | ||
| Granted (in shares) | 371,047 | 287,718 |
| Weighted-Average Grant Date Fair Value | ||
| Weighted-average grant date fair value (in dollars per share) | $ 90.10 | $ 104.68 |
| LTIP PSUs | ||
| Number of Shares | ||
| Granted (in shares) | 172,694 | 137,430 |
| Weighted-Average Grant Date Fair Value | ||
| Weighted-average grant date fair value (in dollars per share) | $ 92.80 | $ 103.90 |