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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, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Equity [Abstract]        
Treasury shares at the beginning of period, Number of Shares 5,332 5,005 5,127 4,945
Treasury shares purchased, Number of Shares 17 77 222 137
Treasury shares at the end of period, Number of Shares 5,349 5,082 5,349 5,082
Treasury shares at the beginning of period, Amount $ (76,143) $ (73,008) $ (74,405) $ (72,343)
Treasury shares purchased, Amount (541) (887) (2,279) (1,552)
Treasury shares at the end of period, Amount $ (76,684) $ (73,895) $ (76,684) $ (73,895)