Property, Plant and Equipment - Summary of Property and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
Jan. 27, 2019	Jan. 28, 2018
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 314,521	$ 304,190
Less accumulated depreciation and amortization	(196,033)	(179,604)
Property, plant and equipment, net	118,488	124,586
Property
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	11,314	11,314
Buildings
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	32,229	32,244
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	9,863	10,050
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 185,045	171,731
Enterprise resource planning systems
Property, Plant and Equipment [Line Items]
Estimated useful lives	13 years
Property, plant and equipment, gross	$ 32,673	32,673
Furniture and office equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	40,437	39,027
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 2,960	$ 7,151
Minimum \| Buildings
Property, Plant and Equipment [Line Items]
Estimated useful lives	7 years
Minimum \| Leasehold improvements
Property, Plant and Equipment [Line Items]
Estimated useful lives	7 years
Minimum \| Machinery and equipment
Property, Plant and Equipment [Line Items]
Estimated useful lives	5 years
Minimum \| Furniture and office equipment
Property, Plant and Equipment [Line Items]
Estimated useful lives	3 years
Maximum \| Buildings
Property, Plant and Equipment [Line Items]
Estimated useful lives	39 years
Maximum \| Leasehold improvements
Property, Plant and Equipment [Line Items]
Estimated useful lives	39 years
Maximum \| Machinery and equipment
Property, Plant and Equipment [Line Items]
Estimated useful lives	8 years
Maximum \| Furniture and office equipment
Property, Plant and Equipment [Line Items]
Estimated useful lives	7 years

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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