Description of Business and Summary of Significant Accounting Policies - Goodwill and Intangible Assets - Additional Information (Details)	12 Months Ended
	Feb. 29, 2024 USD ($) Segment	Feb. 28, 2023 USD ($)	Feb. 28, 2022 USD ($)	Feb. 28, 2021 USD ($)
Goodwill and Intangible Assets [Line Items]
Number of operating segments | Segment	3
Goodwill, Impairment Loss	$ 0	$ 7,373,000	$ 0
Goodwill	63,931,000	65,308,000	74,320,000	$ 58,311,000
Non-cash impairment charge	14,214,000
Non-cash goodwill impairment charge		7,373,000
Impairment charges	14,214,000	1,300,000	0
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)			0
Impairment of definite-lived intangible assets	$ 0	0
Indefinite lived trademarks, percentage of total	20.10%
Indefinite lived trademarks at risk of impairment	$ 8,400,000
Impairment, Intangible Asset, Indefinite-Lived (Excluding Goodwill), Statement of Income or Comprehensive Income [Extensible Enumeration]	Impairment charges
Finite-lived intangible asset, weighted average period before next renewal or extension	3 years
Amortization of intangible assets	$ 6,544,000	6,848,000	6,508,000
Consumer Electronics [Member]
Goodwill and Intangible Assets [Line Items]
Goodwill	60,879,000	62,256,000	63,895,000	46,533,000
Impairment charges	14,214,000
Automotive Electronics [Member]
Goodwill and Intangible Assets [Line Items]
Goodwill, Impairment Loss	0	7,373,000	0
Goodwill	3,052,000	3,052,000	$ 10,425,000	$ 11,778,000
Impairment charges		1,300,000
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)		$ 1,300,000
Klipsch [Member]
Goodwill and Intangible Assets [Line Items]
Goodwill	46,532,000
Rosen [Member]
Goodwill and Intangible Assets [Line Items]
Goodwill	880,000
VSHC [Member]
Goodwill and Intangible Assets [Line Items]
Goodwill	572,000
DEI [Member]
Goodwill and Intangible Assets [Line Items]
Goodwill	1,600,000
Onkyo [Member]
Goodwill and Intangible Assets [Line Items]
Goodwill	$ 14,347,000
Minimum [Member]
Goodwill and Intangible Assets [Line Items]
Impaired long-lived assets held and used, method for determining fair value	1.00%
Minimum [Member] | Measurement Input, Cap Rate [Member]
Goodwill and Intangible Assets [Line Items]
Impaired long-lived assets held and used, method for determining fair value	14.70%
Minimum [Member] | Measurement Input, Discount Rate [Member]
Goodwill and Intangible Assets [Line Items]
Impaired long-lived assets held and used, method for determining fair value	12.60%
Minimum [Member] | Measurement Input, Long-term Revenue Growth Rate [Member]
Goodwill and Intangible Assets [Line Items]
Impaired long-lived assets held and used, method for determining fair value	1.00%
Maximum [Member]
Goodwill and Intangible Assets [Line Items]
Impaired long-lived assets held and used, method for determining fair value	4.00%
Maximum [Member] | Measurement Input, Cap Rate [Member]
Goodwill and Intangible Assets [Line Items]
Impaired long-lived assets held and used, method for determining fair value	25.00%
Maximum [Member] | Measurement Input, Discount Rate [Member]
Goodwill and Intangible Assets [Line Items]
Impaired long-lived assets held and used, method for determining fair value	35.00%
Maximum [Member] | Measurement Input, Long-term Revenue Growth Rate [Member]
Goodwill and Intangible Assets [Line Items]
Impaired long-lived assets held and used, method for determining fair value	2.50%