Summary Financial Information (Statements of Operations) (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2020
Gross profit	$ 315,730	$ 220,225	$ 283,186
Selling expenses	99,187	76,907	91,054
General and administrative expenses	102,128	76,035	77,880
Amortization of intangibles	25,283	12,623	12,942
Income from operations	73,781	42,255	89,824
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
Income before income tax expense	38,446	10,076	77,156
Income tax expense	8,786	970	17,484
Net income	$ 29,660	$ 9,106	$ 59,672