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Long-Term Debt (Tables) | 6 Months Ended
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Sep. 30, 2025
Debt Disclosure [Abstract] |
Schedule of Long-term Debt | Long-term debt consists of the following, as of the dates indicated:
(In thousands, except percentages) |  | September 30, 2025 |  | March 31, 2025
2021 Senior Notes bearing interest at 3.750%, with interest payable on April 1 and October 1 of each year. The 2021 Senior Notes mature on April 1, 2031. |  | $ | 600,000 |  |  | $ | 600,000 |
2019 Senior Notes bearing interest at 5.125%, with interest payable on January 15 and July 15 of each year. The 2019 Senior Notes mature on January 15, 2028. |  | 400,000 |  |  | 400,000 |
Long-term debt |  | 1,000,000 |  |  | 1,000,000 |
Less: unamortized debt costs |  | (6,854) |  |  | (7,643) |
Long-term debt, net |  | $ | 993,146 |  |  | $ | 992,357 |
Schedule of Aggregate Future Principal Payments | As of September 30, 2025, aggregate future principal payments required in accordance with the terms of the indentures governing the senior unsecured notes due 2031 (the "2021 Senior Notes") and the senior unsecured notes due 2028 (the "2019 Senior Notes") are as follows:
(In thousands) |
Year Ending March 31, | Amount
2026 (remaining six months ending March 31, 2026) | $ | — |
2027 |  | — |
2028 |  | 400,000 |
2029 |  | — |
2030 |  | — |
Thereafter | 600,000 |
| $ | 1,000,000 |

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