Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended				9 Months Ended		12 Months Ended
	Dec. 31, 2021	Jun. 30, 2021	Dec. 31, 2020	Jun. 30, 2020	Dec. 31, 2021	Dec. 31, 2020	Mar. 31, 2021
Cash flows from operating activities:
(Loss) income from continuing operations	$ (13,455)		$ 29,252		$ (4,006)	$ 58,235
Loss from discontinued operations	(44)		(316)		(211)	(571)
Net (loss) income	(13,499)	$ 13,884	28,936	$ (5,110)	(4,217)	57,664
Adjustments to reconcile net (loss) income to cash (used in) provided by operating activities:
Depreciation and amortization					5,987	6,638
Benefit for allowance for doubtful accounts					(468)	(42)
Inventory lower of cost or net realizable value					291	1,409
Stock-based compensation expense					4,611	3,170
Deferred income taxes, net of valuation allowances					(2,938)	(8,037)
Other					610	(1,160)
Loss on asset dispositions					0	709
Loss on disposal group					0	20,668
Loss on other investment in non-controlled affiliates impairment					0	2,500
Changes in operating assets and liabilities:
Trade receivables					(4,298)	(61,830)
Inventories					(59,258)	(28,529)
Prepaids and other assets					10,059	(8,616)
Income taxes receivable					(13,774)	6,128
Trade payables					(36,366)	62,090
Accrued liabilities and other liabilities, including warranty obligations					8,178	12,573
Net cash (used in) provided by operating activities					(91,583)	65,335
Cash flows from investing activities:
Proceeds from sales and maturities of available-for-sale securities					73,448	0
Acquisition of business, net of cash acquired					(26,012)	0
Purchases of property, plant and equipment					(9,136)	(8,033)
Purchases of available-for-sale securities					0	(36,199)
Proceeds from the sale of disposal group					0	21,410
Net cash provided by (used in) investing activities					38,300	(22,822)
Cash flows from financing activities:
Proceeds from long-term debt					63,652	1,616
Payments on long-term debt					(22,477)	(14,815)
Payment of debt issuance costs					(577)	(19)
Payments on finance lease liabilities					(30)	0	$ 0
Proceeds from employee stock purchases					486	256
Proceeds from exercise of stock options					472	50
Tax payments related to stock award issuances					(2,866)	(2,196)
Net cash provided by (used in) financing activities					38,660	(15,108)
Effect of exchange rate changes					(1,529)	4,059
Net (decrease) increase in cash, cash equivalents and restricted cash					(16,152)	31,464
Cash, cash equivalents and restricted cash:
Cash, cash equivalents and restricted cash at beginning of period		$ 39,780		$ 26,456	39,780	26,456	26,456
Cash, cash equivalents and restricted cash at end of period	23,628		57,920		23,628	57,920	39,780
Supplemental disclosure of cash flow information:
Cash paid for interest					639	651
Cash paid for income taxes, net					19,857	17,257
Supplemental disclosure of non-cash investing activities:
Capital expenditures incurred but not yet paid					333	908
The following table provides a reconciliation of cash, cash equivalents and restricted cash reported within the Condensed Consolidated Balance Sheets to the total of the same amounts shown above:
Cash and cash equivalents	18,402		56,581		18,402	56,581	38,441
Restricted cash	1,339		1,339		1,339	1,339	1,339
Other assets - restricted, non-current	3,887		0		3,887	0
Total cash, cash equivalents and restricted cash	$ 23,628		$ 57,920		$ 23,628	$ 57,920	$ 39,780