Condensed Consolidated Statement of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands		Total	Common Stock		Treasury Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Loss
Balance at Mar. 31, 2021		$ 431,644	$ 671			$ 304,263	$ 128,634	$ (1,924)
Balance, Shares at Mar. 31, 2021			67,069,000
Common stock issued under stock plans, net of shares withheld for taxes		(2,298)	$ 3			(2,301)
Common stock issued under stock plans, net of shares withheld for taxes, Shares			293,000
Stock-based compensation		6,412				6,412
Other comprehensive income:
Translation adjustments		(38)						(38)
Net income		2,848					2,848
Balance at Jun. 30, 2021		438,568	$ 674			308,374	131,482	(1,962)
Balance, Shares at Jun. 30, 2021			67,362,000
Balance at Mar. 31, 2022		423,078	$ 692		$ (35,874)	329,917	130,252	(1,909)
Balance, Shares at Mar. 31, 2022			67,075,000
Common stock issued under stock plans, net of shares withheld for taxes		(1,600)	$ 12			(1,612)
Common stock issued under stock plans, net of shares withheld for taxes, Shares			1,137,000
Stock-based compensation		8,766				8,766
Repurchase of common stock (1)	[1]	$ (2,505)			(2,505)
Repurchase of common stock, Shares		(147,990)	(148,000)	[1]
Other comprehensive income:
Translation adjustments		$ (28)						(28)
Net income		1,148					1,148
Balance at Jun. 30, 2022		$ 428,859	$ 704		$ (38,379)	$ 337,071	$ 131,400	$ (1,937)
Balance, Shares at Jun. 30, 2022			68,064,000

[1] Weighted-average repurchase price (dollars per share) for the three months ended June 30, 2022 was $16.93.