Property, Plant and Equipment

12 Months Ended

Jan. 31, 2021

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 Lives	January 31, 2021		January 26, 2020
Land		$	13,605	$	12,143
Buildings	7 to 39 years	35,106		35,801
Leasehold improvements	2 to 10 years	9,271		10,148
Machinery and equipment	3 to 8 years	211,671		196,270
Computer hardware and software	3 to 13 years	71,306		68,748
Furniture and office equipment	5 to 7 years	5,692		5,236
Construction in progress		18,062		10,859
Property, plant and equipment, gross		364,713		339,205
Less: accumulated depreciation and amortization		(233,779)		(214,787)
Property, plant and equipment, net		$	130,934	$	124,418

As of January 31, 2021 and January 26, 2020, construction in progress consisted primarily of machinery and equipment awaiting completion of installation and being placed in service.

Depreciation expense was $23.6 million, $23.4 million, and $23.0 million in fiscal years 2021, 2020, and 2019, respectively.