Short-Term Investments	9 Months Ended
Short-Term Investments	Sep. 25, 2011
Short-term Investments [Abstract]
Short-Term Investments	SHORT-TERM INVESTMENTS We have short-term investments, with original maturities of longer than 3 months, in U.S. Treasury securities and commercial paper as of September 25, 2011, and in U.S. Treasury securities as of December 26, 2010. Since we have the intention and ability to hold these investments to maturity, they are classified as held-to-maturity and are reported at amortized cost. The changes in the value of these securities are not reported in our Condensed Consolidated Financial Statements. The carrying value of the short-term investments (which approximated the fair value) was approximately $165 million in U.S. Treasury securities and approximately $5 million in commercial paper as of September 25, 2011 and approximately $30 million in U.S. Treasury securities as of December 26, 2010. The short-term investments have remaining maturities of about 1 month to 4 months as of September 25, 2011.

Tabular disclosure of investments in certain debt and equity securities (and certain other trading assets) which include all debt and equity securities (other than those equity securities accounted for under the equity or cost methods of accounting) with readily determinable fair values. Other trading assets include assets that are carried on the balance sheet at fair value and held for trading purposes. A debt security represents a creditor relationship with an enterprise that is in the form of a security. Debt securities include, among other items, US Treasury securities, US government securities, municipal securities, corporate bonds, convertible debt, commercial paper, and all securitized debt instruments. An equity security represents an ownership interest in an enterprise or the right to acquire or dispose of an ownership interest in an enterprise at fixed or determinable prices. Equity securities include, among other things, common stock, certain preferred stock, warrant rights, call options, and put options, but do not include convertible debt. An entity may opt to provide the reader with additional narrative text to better understand the nature of investments in debt and equity securities (and other trading assets).

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-Glossary Debt Security

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-Name Statement of Financial Accounting Standard (FAS)

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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