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Cash and Cash Equivalents	9 Months Ended
	Sep. 28, 2013
Cash and Cash Equivalents
Cash and Cash Equivalents	5. Cash and Cash Equivalents         Cash equivalents consist principally of money market funds, with maturities of three months or less when purchased. As of September 28, 2013, a substantial portion of the Company's cash accounts was concentrated at a single financial institution, which potentially exposes the Company to credit risks. The financial institution has a short-term credit rating of A-1 by Standard & Poor's ratings services. The Company has not experienced any losses related to such accounts, and the Company does not believe that there is significant risk of non-performance by the financial institution. The Company's cash on deposit at this financial institution is fully liquid, and the Company continually monitors the credit ratings of this financial institution.         The carrying amounts of the Company's instruments classified as cash equivalents are stated at amortized cost, which approximates fair value because of their short-term maturity.

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The entire disclosure of the components of cash, cash equivalents, and short-term investments. Short-term investments may include current marketable securities.

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