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Property, Plant, and Equipment (Details Textual) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 29, 2012	Dec. 31, 2011	Jan. 01, 2011
Property, Plant, and Equipment (Textual) [Abstract]
Depreciation expense	$ 6,514	$ 6,524	$ 6,730

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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