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Property and Equipment
 12 Months Ended
Sep. 24, 2022
Property, Plant and Equipment [Abstract]  
Property and Equipment Property and Equipment
Property and equipment at September 24, 2022 and September 25, 2021 consists of the following (in thousands):
 
 Year Ended
 September 24, 2022September 25, 2021
Computer equipment and software, furniture and fixtures, and test equipment$45,818 $34,268 
Leasehold improvements2,904 2,909 
Total property and equipment48,722 37,177 
Less accumulated depreciation(23,844)(18,560)
Property and equipment, net$24,878 $18,617 
Depreciation expense was $5.5 million for the year ended September 24, 2022, $4.0 million for the year ended September 25, 2021, and $5.3 million for the year ended September 26, 2020.