Property, Plant and Equipment

12 Months Ended

Jan. 28, 2018

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 28, 2018			January 29, 2017
Property		$	11,314		$	11,314
Buildings	7 to 39 years	32,244			30,294
Leasehold improvements	7 to 39 years	10,050			9,566
Machinery and equipment	5 to 8 years	171,731			150,276
Enterprise resource planning systems	13 years	32,673			28,166
Furniture and office equipment	3 to 7 years	39,027			35,025
Construction in progress		7,151			5,505
Property, plant and equipment, gross		304,190			270,146
Less accumulated depreciation and amortization		(179,604		)	(161,236		)
Property, plant and equipment, net		$	124,586		$	108,910

As of January 28, 2018 and January 29, 2017, construction in progress consists primarily of machinery and equipment awaiting completion of installation and being placed in service.

Depreciation expense was $21.1 million, $21.7 million, and $23.2 million in fiscal years 2018, 2017, and 2016, respectively.