Variable Interest Entities - Summary of Revenues and Expenses Included in Consolidated Statements of Operations and Comprehensive Loss (Details) - USD ($) $ in Thousands		12 Months Ended
		Feb. 29, 2024		Feb. 28, 2023		Feb. 28, 2022
Variable Interest Entity [Line Items]
Net sales		$ 468,911		$ 534,014		$ 635,920
Cost of sales		354,892		399,715		466,442
Gross profit		114,019		134,299		169,478
Selling		43,090		46,967		50,507
General and administrative		69,228		73,638		75,955
Engineering and technical support		29,392		31,464		31,540
Restructuring expenses		2,136		870		0
Total operating expenses		158,060		161,576		161,554
Operating (loss) income		(44,041)		(27,277)		7,924
Interest and bank charges		(6,935)		(4,643)		(2,532)
Other, net		(2,080)		(2,055)		323
Total other expense, net		(3,336)		(3,673)		(33,763)
Loss before income taxes	[1]	(47,377)	[2],[3]	(30,950)	[2],[3]	(25,839)
Income tax expense		1,785		39		(1,626)
Net loss		(45,592)		(30,911)		(27,465)
Variable Interest Entity, Primary Beneficiary [Member]
Variable Interest Entity [Line Items]
Net sales		531		1,046		882
Cost of sales		422		688		694
Gross profit		109		358		188
Selling		410		575		653
General and administrative		1,638		1,509		1,410
Engineering and technical support		2,034		2,355		5,817
Restructuring expenses		27
Total operating expenses		4,109		4,439		7,880
Operating (loss) income		(4,000)		(4,081)		(7,692)
Interest and bank charges		(1,736)		(1,720)		(1,662)
Other, net		78		(15)		0
Total other expense, net		(1,658)		(1,735)		(1,662)
Loss before income taxes		(5,658)		(5,816)		(9,354)
Income tax expense		0		0		0
Net loss		$ (5,658)		$ (5,816)		$ (9,354)

[1] Included within Income (loss) before income taxes within Corporate/Eliminations for the year ended February 28, 2022 is a charge of $39,444 recorded for an arbitration award unfavorable to the Company (see Note 15). Included within Loss before income taxes on Corporate/Eliminations for the year ended February 28, 2023 are charges of $3,944, representing interest expense, as well as charges for legal fee reimbursements and a settlement for a patent arbitration related to the final arbitration award.

[2] Included within Loss before income taxes within Corporate/Eliminations for the years ended February 29, 2024 and February 28, 2023 are foreign currency losses of $2,795 and $3,267, respectively, attributable to the Company's Onkyo subsidiary related to intercompany transactions and financial statement translation adjustments.

[3] Included within Loss before income taxes within the Consumer Electronics segment for the year ended February 29, 2024 are intangible asset impairment charges totaling $14,214. Included within Loss before income taxes within the Automotive Electronics segment for the year ended February 28, 2023 is a goodwill impairment charge of $7,373 and an intangible asset impairment charge of $1,300 (see Note 1(k)).