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Property, Plant and Equipment
 12 Months Ended
Jan. 26, 2025
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment Property, Plant and Equipment
The following is a summary of property and equipment:
(in thousands)Estimated Useful LivesJanuary 26, 2025January 28, 2024
Land$13,577 $13,577 
Buildings
7 to 39 years
49,900 49,897 
Leasehold improvements
2 to 10 years
13,438 13,742 
Machinery and equipment
3 to 8 years
269,874 271,215 
Computer hardware and software
3 to 13 years
80,666 76,483 
Furniture and office equipment
5 to 7 years
7,780 7,753 
Construction in progress4,933 4,676 
Property, plant and equipment, gross440,168 437,343 
Less: accumulated depreciation and amortization(313,978)(283,725)
Property, plant and equipment, net$126,190 $153,618 
As of January 26, 2025 and January 28, 2024, construction in progress consisted primarily of machinery and equipment awaiting completion of installation and being placed in service.
Depreciation expense was $33.2 million, $29.3 million, and $25.8 million in fiscal years 2025, 2024 and 2023, respectively.