Income Taxes (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Mar. 31, 2024 |
|
| Income Tax Disclosure [Abstract] | |||||
| Effective income tax rate (as a percent) | 24.70% | 29.80% | 24.00% | 24.70% | |
| Long-term income tax receivable | $ 152,500 | $ 152,500 | $ 152,500 | ||
| Tax Credit Carryforward [Line Items] | |||||
| Income tax reserves | 137,471 | 137,471 | 120,237 | ||
| Research and Development Tax Credits | |||||
| Tax Credit Carryforward [Line Items] | |||||
| Income tax reserves | $ 131,000 | $ 131,000 | $ 115,400 | ||