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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 | 9 Months Ended
--- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2023 | Dec. 31, 2022
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 | 5,368 |  | 5,368 |
Stock Repurchase Program [Member] |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |
Treasury shares at the beginning of period, Number of Shares | 5,368 | 5,349 | 5,368 | 5,127
Treasury shares purchased, Number of Shares | 0 | 19 | 0 | 241
Treasury shares at the end of period, Number of Shares | 5,368 | 5,368 | 5,368 | 5,368
Treasury shares at the beginning of period, Amount | $ (76,794) | $ (76,684) | $ (76,794) | $ (74,405)
Treasury shares purchased, Amount | 0 | (110) | 0 | (2,389)
Treasury shares at the end of period, Amount | $ (76,794) | $ (76,794) | $ (76,794) | $ (76,794)

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