Property, Plant and Equipment (Tables)

12 Months Ended

Jan. 25, 2015

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 25, 2015			January 26, 2014
Property	$	9,022		$	9,022
Buildings	18,657			18,633
Leasehold improvements	10,429			10,109
Machinery and equipment	135,956			132,549
Enterprise resource planning systems	26,890			—
Furniture and office equipment	33,780			34,263
Construction in progress	1,325			18,155
Property, plant and equipment, gross	236,059			222,731
Less accumulated depreciation and amortization	(120,588		)	(112,610		)
Property, plant and equipment, net	$	115,471		$	110,121

Summary of impairment charges

The categorization and classification of these charges 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

Details of impairment of long-lived assets held and used by asset, prior period

The categorization and classification of these charges 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