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Property and Equipment | 12 Months Ended
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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,
|  | 2023 |  | 2022
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 equipment | 5 years |  | 50,904 |  |  | 39,606 |
Construction in progress |  |  | 24,465 |  |  | 4,933 |
Total property and equipment |  |  | 209,121 |  |  | 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.

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- Definition The entire disclosure for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 360 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//360/tableOfContent Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 6 -SubTopic 360 -Topic 958 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480321/958-360-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -SubTopic 360 -Topic 958 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480321/958-360-50-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 7 -SubTopic 360 -Topic 958 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480321/958-360-50-7 + Details
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