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Property and Equipment - Summary of Property and Equipment (Details) - USD ($)
$ in Thousands
Dec. 28, 2024
Sep. 28, 2024
Property, Plant and Equipment [Line Items]    
Total property and equipment $ 144,954 $ 131,232
Less accumulated depreciation (39,875) (34,123)
Property and equipment, net 105,079 97,109
Computer equipment and software, furniture and fixtures, and test and other equipment    
Property, Plant and Equipment [Line Items]    
Total property and equipment 128,072 114,515
Internal use software    
Property, Plant and Equipment [Line Items]    
Total property and equipment 6,753 7,141
Leasehold improvements    
Property, Plant and Equipment [Line Items]    
Total property and equipment $ 10,129 $ 9,576