Summary Financial Information (Statements of Operations) (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2021
Gross profit	$ 342,099	$ 315,730	$ 220,225
Selling expenses	102,528	99,187	76,907
General and administrative expenses	94,794	102,128	76,035
Amortization of intangibles	26,001	25,283	12,623
Income from operations	97,841	73,781	42,255
Interest and debt expense	27,942	20,126	12,081
Investment (income) loss, net	(315)	(46)	(1,693)
Foreign currency exchange loss (gain), net	(2,189)	1,574	941
Other (income) expense, net	(2,072)	(1,122)	20,850
Income tax expense	26,046	8,786	970
Net income	$ 48,429	$ 29,660	$ 9,106