Property, Plant and Equipment (Tables)

12 Months Ended

Jan. 31, 2016

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 31, 2016			January 25, 2015
Property	$	8,888		$	9,022
Buildings	18,749			18,657
Leasehold improvements	10,182			10,429
Machinery and equipment	141,357			135,956
Enterprise resource planning systems	35,907			26,890
Furniture and office equipment	28,166			33,780
Construction in progress	1,539			1,325
Property, plant and equipment, gross	244,788			236,059
Less accumulated depreciation and amortization	(143,782		)	(120,588		)
Property, plant and equipment, net	$	101,006		$	115,471

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

Summary of impairment charges, two prior fiscal years

The categorization and classification of these charges, recorded in fiscal year 2014, are summarized below:

(in thousands)	Machinery and equipment		Furniture and office equipment		Leasehold improvements		Total
Cost of sales	$	4,019	$	5	$	317	$	4,341
Product development and engineering	2,173		12		2		2,187
Selling, general and administrative expenses	23		69		222		314
Total impairment charge	$	6,215	$	86	$	541	$	6,842