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Property and Equipment
 12 Months Ended
Dec. 30, 2022
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,
 
20222021
Leasehold improvements
up to 15 years
$83,334 $73,589 
Computer equipment and software
up to 3 years
19,569 14,877 
Furniture and fixtures7 years24,054 15,780 
Laboratory equipment5 years39,606 23,744 
Construction in progress4,933 16,872 
Total property and equipment171,496 144,862 
Less: accumulated depreciation(60,872)(40,831)
Total property and equipment, net$110,624 $104,031 
Depreciation expense was $20.9 million, $13.6 million and $9.1 million during the years ended December 31, 2022, 2021 and 2020, respectively.