Summary of Significant Accounting Policies (Details Textual) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 29, 2012
Summary of Significant Accounting Policies (Textual) [Abstract]
Stop losses on claims on an individual basis	$ 135
Stop losses on claims on an aggregate basis	$ 9,000
Securities held with stated maturities	12 months
Securities classifies as current assets under caption marketable securities maturities	12 months