Property, Equipment and Leasehold Improvements (Detail) (USD $) In Thousands, unless otherwise specified	Jan. 02, 2015	Jan. 03, 2014
Property:
Land	$ 4,450us-gaap_Land	$ 4,450us-gaap_Land
Buildings	35,570us-gaap_BuildingsAndImprovementsGross	34,928us-gaap_BuildingsAndImprovementsGross
Construction in progress	12us-gaap_ConstructionInProgressGross	51us-gaap_ConstructionInProgressGross
Equipment:
Machinery and equipment	35,131us-gaap_MachineryAndEquipmentGross	32,046us-gaap_MachineryAndEquipmentGross
Office furniture and equipment	7,714us-gaap_FurnitureAndFixturesGross	7,542us-gaap_FurnitureAndFixturesGross
Leasehold improvements	13,169us-gaap_LeaseholdImprovementsGross	12,745us-gaap_LeaseholdImprovementsGross
Property, Plant and Equipment, Gross, Total	96,046us-gaap_PropertyPlantAndEquipmentGross	91,762us-gaap_PropertyPlantAndEquipmentGross
Less accumulated depreciation and amortization	67,782	63,041
Property, equipment and leasehold improvements, net	$ 28,264us-gaap_PropertyPlantAndEquipmentNet	$ 28,721us-gaap_PropertyPlantAndEquipmentNet

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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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- Definition

Amount before accumulated depreciation of building structures held for productive use including addition, improvement, or renovation to the structure, including, but not limited to, interior masonry, interior flooring, electrical, and plumbing.

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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 depletion of real estate held for productive use, excluding land held for sale.

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