Certain Balance Sheet Components (Components Of Property And Equipment) (Details) (USD $) In Thousands, unless otherwise specified	Jan. 03, 2014	Dec. 28, 2012
Balance Sheet Related Disclosures [Abstract]
Machinery and equipment	$ 179,267	$ 151,180
Furniture and fixtures	24,254	19,370
Leasehold improvements	22,806	22,033
Construction in Progress	29,219	36,451
Buildings	46,451	8,967
Land	5,113	1,544
Property and equipment, gross	307,110	239,545
Less accumulated depreciation	(164,135)	(142,655)
Total	$ 142,975	$ 96,890

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 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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