UNAUDITED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Net sales
Total	$ 509,055	$ 623,476	$ 1,670,841	$ 1,575,541
Cost of sales
Total	375,245	485,104	1,250,393	1,190,342
Gross profit	133,810	138,372	420,448	385,199
Selling, general, and administrative	89,381	86,730	272,331	248,201
Depreciation and amortization	5,399	3,609	15,821	10,387
Interest and financing costs	983	1,575	3,054	2,863
Operating expenses	95,763	91,914	291,206	261,451
Operating income	38,047	46,458	129,242	123,748
Other income (expense), net	366	2,907	673	(3,112)
Earnings before tax	38,413	49,365	129,915	120,636
Provision for income taxes	11,131	13,671	36,122	34,134
Net earnings	$ 27,282	$ 35,694	$ 93,793	$ 86,502
Net earnings per common share-basic (in dollars per share)	$ 1.02	$ 1.34	$ 3.53	$ 3.26
Net earnings per common share-diluted (in dollars per share)	$ 1.02	$ 1.34	$ 3.52	$ 3.24
Weighted average common shares outstanding-basic (in shares)	26,618	26,592	26,598	26,561
Weighted average common shares outstanding-diluted (in shares)	26,697	26,648	26,665	26,688
Product [Member]
Net sales
Total	$ 434,371	$ 556,018	$ 1,457,636	$ 1,379,813
Cost of sales
Total	328,908	441,015	1,116,046	1,062,352
Services [Member]
Net sales
Total	74,684	67,458	213,205	195,728
Cost of sales
Total	$ 46,337	$ 44,089	$ 134,347	$ 127,990