Property, Plant and Equipment - Summary of Property and Equipment (Details) - USD ($) $ in Thousands	Jan. 31, 2016	Jan. 25, 2015
Property, Plant and Equipment [Line Items]
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
Property
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	8,888	9,022
Buildings
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	18,749	18,657
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	10,182	10,429
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	141,357	135,956
Enterprise resource planning systems
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	35,907	26,890
Furniture and office equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	28,166	33,780
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 1,539	$ 1,325