Property, Plant and Equipment (Tables)

12 Months Ended

Jan. 29, 2017

Property, Plant and Equipment [Abstract]

Schedule of property, plant and equipment

The following is a summary of property and equipment, at cost less accumulated depreciation:

(in thousands)	January 29, 2017			January 31, 2016
Property	$	11,314		$	8,888
Buildings	30,294			18,749
Leasehold improvements	9,566			10,182
Machinery and equipment	150,276			141,357
Enterprise resource planning systems	28,166			28,166
Furniture and office equipment	35,025			35,907
Construction in progress	5,505			1,539
Property, plant and equipment, gross	270,146			244,788
Less accumulated depreciation and amortization	(161,236		)	(143,782		)
Property, plant and equipment, net	$	108,910		$	101,006

Summary of impairment charges, prior year

The categorization and classification of these charges, recorded in fiscal year 2015, are summarized below:

(in thousands)	Machinery and equipment		Furniture and office equipment		Leasehold improvements		Total
Cost of sales	$	2,799	$	10	$	1	$	2,810
Product development and engineering	3,477		33		—		3,510
Selling, general and administrative expenses	5		—		1		6
Total impairment charge	$	6,281	$	43	$	2	$	6,326