Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2020
Revenue from Contract with Customer, Excluding Assessed Tax	$ 906,555	$ 649,642	$ 809,162
Cost of Goods and Services Sold	590,825	429,417	525,976
Income from operations	73,781	42,255	89,824
Income before income tax expense	38,446	10,076	77,156
Revenues [Abstract]
Gross profit	315,730	220,225	283,186
Operating Expenses [Abstract]
Selling expenses	99,187	76,907	91,054
General and administrative expenses	102,128	76,035	77,880
Research and Development Expense	15,351	12,405	11,310
Gain (Loss) on Disposition of Business	0	0	176
Amortization of intangibles	25,283	12,623	12,942
Other Income & Expenses [Abstract]
Interest and debt expense	20,126	12,081	14,234
Investment (income) loss, net	(46)	(1,693)	(891)
Foreign currency exchange loss (gain), net	1,574	941	(1,514)
Other (income) expense, net	(1,122)	20,850	839
Current income tax expense (benefit):
Income tax expense	8,786	970	17,484
Discontinued Operation Gain Loss On Disposal Of Discontinued Operation Net Of Tax & Other [Abstract]
Net income	$ 29,660	$ 9,106	$ 59,672
Weighted Average Number of Shares Outstanding Basic [Abstract]
Average basic shares outstanding	28,040	23,897	23,619
Weighted Average Number of Shares Outstanding Diluted [Abstract]
Average diluted shares outstanding	28,401	24,173	23,855
Basic income per share:
Basic income per share	$ 1.06	$ 0.38	$ 2.53
Diluted income per share:
Diluted income per share	1.04	0.38	2.50
Common Stock, Dividends, Per Share, Declared	$ 0.25	$ 0.24	$ 0.24