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Summary of Significant Accounting Policies - Textual (Details) | 12 Months Ended
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Oct. 02, 2021 USD ($) segment | Oct. 03, 2020 USD ($) | Sep. 28, 2019 USD ($)
Product Warranty Liability [Line Items] |  |  |
Restricted cash | $ 0 | $ 191,000 |
Capitalized costs | $ 14,300,000 | 4,800,000 |
Product warranty term | 1 year |  |
Contributions by employer | $ 7,600,000 | 6,200,000 |
Number of operating segments | segment | 1 |  |
Term of option to extend | 5 years |  |
Termination option period | 1 year |  |
European Union |  |  |
Product Warranty Liability [Line Items] |  |  |
Product warranty term | 2 years |  |
Sales and marketing |  |  |
Product Warranty Liability [Line Items] |  |  |
Advertising costs | $ 62,300,000 | $ 43,900,000 | $ 48,800,000
One vendor | Supplier concentration risk | Inventories |  |  |
Product Warranty Liability [Line Items] |  |  |
Concentration percentage | 59.00% | 65.00% | 83.00%

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