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Balance sheet Components - Additional Information (Detail) - USD ($)
$ in Millions
12 Months Ended
Sep. 30, 2023
Oct. 01, 2022
Oct. 02, 2021
Business Acquisition [Line Items]      
Inventory write down $ 29.7 $ 8.8  
Depreciation expense 42.7 33.3 $ 31.8
Fixed asset, disposal 21.3 18.9 32.9
Accumulated depreciation and amortization 21.1 18.8 $ 32.2
Recognition of revenue $ 80.0 73.8  
Mayht Holding BV [Member] | In-process Research and Development Activity [Member]      
Business Acquisition [Line Items]      
Intangible not subject to amortization   $ 71.8