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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 |

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