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Stock Plans - Summary of Treasury Share Transactions Under the Company's Stock Repurchase Program (Details) - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Equity, Class of Treasury Stock [Line Items] |  |  |  |
Treasury shares at the beginning of period, Number of Shares |  |  | 5,368 |
Treasury shares at the end of period, Number of Shares | 6,020 |  | 6,020 |
New Stock Repurchase Program [Member] |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |
Treasury shares at the beginning of period, Number of Shares | 5,368 | 5,368 | 5,368 | 5,368
Treasury shares purchased, Number of Shares | 652 | 0 | 652 | 0
Treasury shares at the end of period, Number of Shares | 6,020 | 5,368 | 6,020 | 5,368
Treasury shares at the beginning of period, Amount | $ (76,794) | $ (76,794) | $ (76,794) | $ (76,794)
Treasury shares purchased, Amount | (5,629) | 0 | (5,629) | 0
Treasury shares at the end of period, Amount | $ (82,423) | $ (76,794) | $ (82,423) | $ (76,794)

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