Income Taxes (Components of Deferred Tax Balances) (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Mar. 31, 2022
Deferred Tax Assets
Allowance for credit losses and sales returns	$ 4,882	$ 4,605
Inventory capitalization	2,508	2,201
Inventory reserves	1,707	1,264
Net operating loss carryforwards	0	115
State income taxes	7,440	9,661
Accrued liabilities	1,616	2,026
Accrued compensation	3,757	4,597
Stock compensation	4,613	4,548
Research and development	1,429	0
Lease liability	4,795	6,808
Unrealized foreign exchange loss	673	215
Other	9,450	5,682
Total deferred tax assets	42,870	41,722
Deferred Tax Liabilities
Property, plant and equipment	(6,874)	(7,210)
Intangible assets	(410,219)	(471,327)
Right-of-use asset	(4,300)	(6,239)
Total deferred tax liabilities	(421,393)	(484,776)
Net deferred tax liability	$ (378,523)	$ (443,054)

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