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Property, Plant and Equipment - Property, Plant and Equipment, Net (Details) - USD ($) $ in Thousands	Jul. 03, 2020	Jan. 03, 2020
Property Plant And Equipment [Abstract]
Machinery and equipment	$ 20,970	$ 17,173
Computer equipment and software	6,593	6,244
Furniture and fixtures	4,561	4,169
Leasehold improvements	11,100	10,151
Construction in process	8,889	8,477
Total property, plant and equipment, gross	52,113	46,214
Less accumulated depreciation	30,635	29,149
Total property, plant and equipment, net	$ 21,478	$ 17,065

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Computer equipment and software, gross.

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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 of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service.

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Amount before accumulated depreciation of equipment commonly used in offices and stores that have no permanent connection to the structure of a building or utilities. Examples include, but are not limited to, desks, chairs, tables, and bookcases.

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Amount before accumulated depreciation of additions or improvements to assets held under a lease arrangement.

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Amount before accumulated depreciation of tangible personal property used to produce goods and services, including, but is not limited to, tools, dies and molds, computer and office equipment.

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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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