Property, Plant and Equipment

12 Months Ended

Jan. 27, 2019

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 27, 2019			January 28, 2018
Property		$	11,314		$	11,314
Buildings	7 to 39 years	32,229			32,244
Leasehold improvements	7 to 39 years	9,863			10,050
Machinery and equipment	5 to 8 years	185,045			171,731
Enterprise resource planning systems	13 years	32,673			32,673
Furniture and office equipment	3 to 7 years	40,437			39,027
Construction in progress		2,960			7,151
Property, plant and equipment, gross		314,521			304,190
Less accumulated depreciation and amortization		(196,033		)	(179,604		)
Property, plant and equipment, net		$	118,488		$	124,586

As of January 27, 2019, and January 28, 2018, construction in progress consists primarily of machinery and equipment awaiting completion of installation and being placed in service.

Depreciation expense was $23.0 million, $21.1 million, and $21.7 million in fiscal years 2019, 2018, and 2017, respectively.