UNAUDITED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Common Stock [Member]	Additional Paid-In Capital [Member]	Treasury Stock [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income [Member]	Total
Balance at Mar. 31, 2023	$ 272	$ 167,303	$ (14,080)	$ 627,202	$ 1,568	$ 782,265
Balance (in shares) at Mar. 31, 2023	26,905
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of restricted stock awards	$ 2	(2)	0	0	0	0
Issuance of restricted stock awards (in shares)	153
Issuance of common stock	$ 0	1,398	0	0	0	1,398
Issuance of common stock (in shares)	36
Share-based compensation	$ 0	2,205	0	0	0	2,205
Share-based compensation (in shares)	0
Repurchase of common stock	$ 0	0	$ (7,371)	0	0	(7,371)
Repurchase of common stock (in shares)			(147)
Net earnings	0	0	$ 0	33,847	0	33,847
Foreign currency translation adjustment	0	0	0	0	947	947
Balance at Jun. 30, 2023	$ 274	170,904	(21,451)	661,049	2,515	813,291
Balance (in shares) at Jun. 30, 2023	26,947
Balance at Mar. 31, 2024	$ 274	180,058	(23,811)	742,978	2,280	$ 901,779
Balance (in shares) at Mar. 31, 2024	26,952					26,952
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of restricted stock awards	$ 1	(1)	0	0	0	$ 0
Issuance of restricted stock awards (in shares)	121
Issuance of common stock	$ 1	1,810	0	0	0	1,811
Issuance of common stock (in shares)	29
Share-based compensation	$ 0	2,866	0	0	0	2,866
Share-based compensation (in shares)	0
Repurchase of common stock	$ 0	0	$ (11,935)	0	0	(11,935)
Repurchase of common stock (in shares)			(162)
Net earnings	0	0	$ 0	27,339	0	27,339
Foreign currency translation adjustment	0	0	0	0	68	68
Balance at Jun. 30, 2024	$ 276	$ 184,733	$ (35,746)	$ 770,317	$ 2,348	$ 921,928
Balance (in shares) at Jun. 30, 2024	26,940					26,940