Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Nov. 30, 2021	Nov. 30, 2020	Nov. 30, 2021	Nov. 30, 2020
Income Statement [Abstract]
Sales	$ 231,737	$ 226,623	$ 678,010	$ 643,287
Costs and Expenses
Cost of sales	174,773	171,948	508,004	500,311
Gross margin	56,964	54,675	170,006	142,976
Selling, general and administrative	26,872	25,228	82,674	79,867
Restructuring and impairment charges	0	1,576	0	20,269
Operating income	30,092	27,871	87,332	42,840
Interest expense	1,630	2,272	5,081	7,376
Other (income) expense, net	1,413	(724)	1,362	823
Income before income taxes	27,049	26,323	80,889	34,641
Income tax expense	5,964	6,620	18,489	11,187
Net income	$ 21,085	$ 19,703	$ 62,400	$ 23,454
Earnings Per Common Share
Basic earnings per share (usd per share)	$ 0.85	$ 0.76	$ 2.51	$ 0.90
Diluted earnings per share (usd per share)	0.85	0.76	2.48	0.90
Cash dividends declared per common share (usd per share)	$ 0.17	$ 0.17	$ 0.51	$ 0.51