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, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Equity [Abstract]
Treasury shares at the beginning of period, Number of Shares	5,082	4,863	4,945	4,833
Treasury shares purchased, Number of Shares	6	64	143	94
Treasury shares at the end of period, Number of Shares	5,088	4,927	5,088	4,927
Treasury shares at the beginning of period, Amount	$ (73,895)	$ (71,667)	$ (72,343)	$ (71,438)
Treasury shares purchased, Amount	(65)	(519)	(1,617)	(748)
Treasury shares at the end of period, Amount	$ (73,960)	$ (72,186)	$ (73,960)	$ (72,186)