Earnings per Share and Stock Plans - Summary of Option Transactions (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2022
Shares
Exercised (in shares)	(12,648)	(62,060)	(32,158)
Stock Options
Shares
Outstanding, beginning balance (in shares)	1,193,840	975,171	679,785
Granted (in shares)	188,089	298,674	394,586
Exercised (in shares)	(12,648)	(62,060)	(32,158)
Cancelled (in shares)	(115,655)	(17,945)	(67,042)
Outstanding, Ending balance (in shares)	1,253,626	1,193,840	975,171	679,785
Exercisable (in shares)	802,964
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Outstanding, beginning balance (in dollars per share)	$ 35.37	$ 34.54	$ 33.82
Granted (in dollars per share)	45.34	36.19	34.91
Exercised (in dollars per share)	29.44	25.73	22.15
Cancelled (in dollars per share)	41.26	37.49	35.32
Outstanding, closing balance (in dollars per share)	36.38	$ 35.37	$ 34.54	$ 33.82
Exercisable (in dollars per share)	$ 37.51
Outstanding, weighted average remaining contractual life (in years)	5 years 11 months 26 days	6 years 11 months 4 days	7 years 1 month 17 days	7 years 29 days
Exercisable, weighted average remaining contractual life (in years)	4 years 10 months 28 days
Outstanding, aggregate intrinsic value	$ 80	$ 12,392	$ 5,497	$ 15,294
Exercisable, aggregate intrinsic value	$ 80