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Property and Equipment
 12 Months Ended
Dec. 29, 2023
Property, Plant and Equipment [Abstract]  
PROPERTY AND EQUIPMENT PROPERTY AND EQUIPMENT
Property and equipment consisted of the following (in thousands):
Estimated Useful Lives
December 31,
 
20232022
Leasehold improvements
up to 15 years
$89,038 $83,334 
Computer equipment and software
up to 3 years
19,795 19,569 
Furniture and fixtures
up to 7 years
24,919 24,054 
Laboratory equipment5 years50,904 39,606 
Construction in progress24,465 4,933 
Total property and equipment209,121 171,496 
Less: accumulated depreciation(80,390)(60,872)
Total property and equipment, net$128,731 $110,624 
Depreciation expense was $25.7 million, $20.9 million and $13.6 million during the years ended December 31, 2023, 2022 and 2021, respectively.