Variable Interest Entity - Summary of Revenues and Expenses Included in Consolidated Statements of Operations and Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended
	May 31, 2024	May 31, 2023
Variable Interest Entity [Line Items]
Net sales	$ 91,661	$ 111,926
Cost of sales	66,252	84,346
Gross profit	25,409	27,580
Selling	9,590	11,166
General and administrative	16,457	19,427
Engineering and technical support	6,244	8,337
Restructuring expenses	231	59
Total operating expenses	32,522	38,989
Operating loss	(7,113)	(11,409)
Interest and bank charges	(2,138)	(1,546)
Equity in income (loss) of equity investees	351	1,616
Loss on contribution of assets to joint venture	(413)
Other, net	(1,871)	(701)
Total other expense, net	(3,658)	(1,617)
Loss before income taxes	(10,771)	(13,026)
Income tax expense	(594)	(1,321)
Net loss	(10,177)	(11,705)
Variable Interest Entity, Primary Beneficiary [Member]
Variable Interest Entity [Line Items]
Net sales	8	100
Cost of sales	0	52
Gross profit	8	48
Selling	1	189
General and administrative	37	439
Engineering and technical support	(13)	658
Total operating expenses	25	1,286
Operating loss	(17)	(1,238)
Interest and bank charges	(451)	(428)
Equity in income (loss) of equity investees	(764)	0
Other, net	(363)	0
Total other expense, net	(1,578)	(428)
Loss before income taxes	(1,595)	(1,666)
Income tax expense	0	0
Net loss	$ (1,595)	$ (1,666)