Balance Sheet Components - Other current liabilities (Details) - USD ($) $ in Thousands	Jul. 03, 2021	Oct. 03, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Reserve for returns	$ 19,758	$ 14,195
Short-term operating lease liabilities	10,734	10,910
Product warranty liability	5,233	3,628
Other	6,746	2,417
Total other current liabilities	$ 42,471	$ 31,150