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Description of Business and Summary of Significant Accounting Policies - Goodwill and Intangible Assets - Additional Information (Details)		3 Months Ended			12 Months Ended
	Mar. 01, 2019 Segment	Feb. 29, 2020 USD ($) Rate	Feb. 28, 2019 USD ($)	Aug. 31, 2018 USD ($)	Feb. 29, 2020 USD ($) Segment Rate	Feb. 28, 2019 USD ($)	Feb. 28, 2018 USD ($)	Jan. 31, 2020 USD ($)	Apr. 18, 2017 USD ($)	Feb. 28, 2017 USD ($)
Goodwill and Intangible Assets [Line Items]
Number of operating segments \| Segment	3				3
Goodwill, Impairment Loss					$ 0	$ 0	$ 0
Goodwill		$ 55,000,000	$ 54,785,000		55,000,000	54,785,000	54,785,000	$ 215,000	$ 880,000	$ 53,905,000
Intangible asset impairment charges			15,975,000	$ 9,814,000	30,230,000	25,789,000	0
Indefinite-lived and definite-lived intangible asset impairment charges		$ 30,230,000			$ 30,230,000
Impairment of definite-lived intangible assets							0
Indefinite lived trademarks, percentage of total \| Rate		39.00%			39.00%
Indefinite-lived Intangible Assets (Excluding Goodwill)		$ 25,279,000			$ 25,279,000
Finite-lived intangible assets, remaining amortization period					10 years
Finite-lived intangible asset, weighted average period before next renewal or extension					2 years
Amortization of intangible assets					$ 7,010,000	6,984,000	6,516,000
Consumer Electronics [Member]
Goodwill and Intangible Assets [Line Items]
Goodwill, Impairment Loss					0	0	0
Goodwill		46,533,000	$ 46,533,000		46,533,000	46,533,000	$ 46,533,000			$ 46,533,000
Intangible asset impairment charges					2,828,000	25,629,000
Biometrics [Member]
Goodwill and Intangible Assets [Line Items]
Indefinite-lived and definite-lived intangible asset impairment charges					27,402,000
Impairment of definite-lived intangible assets					19,667,000
Consumer Accessories [Member]
Goodwill and Intangible Assets [Line Items]
Intangible asset impairment charges						25,629,000
Automotive [Member]
Goodwill and Intangible Assets [Line Items]
Intangible asset impairment charges						$ 160,000
Klipsch [Member]
Goodwill and Intangible Assets [Line Items]
Goodwill		46,533,000			46,533,000
Invision [Member]
Goodwill and Intangible Assets [Line Items]
Goodwill		7,372,000			7,372,000
Rosen [Member]
Goodwill and Intangible Assets [Line Items]
Goodwill		880,000			880,000
VSHC [Member]
Goodwill and Intangible Assets [Line Items]
Goodwill		$ 215,000			$ 215,000
Minimum [Member]
Goodwill and Intangible Assets [Line Items]
Impaired long-lived assets held and used, method for determining fair value		1.00%			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		13.20%			13.20%
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		13.20%			13.20%
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		0.00%			0.00%
Maximum [Member]
Goodwill and Intangible Assets [Line Items]
Impaired long-lived assets held and used, method for determining fair value		7.00%			7.00%
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		13.30%			13.30%
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		25.00%			25.00%
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		3.00%			3.00%