Pension and Employee Benefit Plans, Defined Contribution Employee Benefit Plans (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Mar. 31, 2024 |
|
| Pension and Employee Benefit Plans | |||
| Defined contribution plan cost recognized | $ 10.6 | $ 9.3 | $ 8.3 |
| Maximum | |||
| Pension and Employee Benefit Plans | |||
| Company match | 4.50% | ||