Balance Sheet Components - Schedule of Property and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
Oct. 02, 2021	Oct. 03, 2020	Sep. 28, 2019
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 231,500	$ 221,559
Accumulated depreciation and amortization	(160,159)	(160,775)
Property and equipment, net	71,341	60,784
Depreciation expense	31,800	34,900	$ 36,400
Fixed asset, disposal	32,900	18,500	10,200
Fixed asset disposal, accumulated depreciation	32,200	14,200	9,300
Loss on disposal of fixed assets	700	4,300	$ 800
Computer hardware and software
Property, Plant and Equipment [Line Items]
Property and equipment, gross	40,098	45,798
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property and equipment, gross	7,483	8,239
Tooling and production line test equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	76,210	67,495
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	49,846	51,102
Product displays
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 57,863	$ 48,925

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount of decrease in accumulated depreciation, depletion and amortization as a result of sale or disposal of property, plant and equipment.

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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property.

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Amount of divestiture of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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