Basis of Presentation and Summary of Significant Accounting Policies (Policies)	6 Months Ended
	Jun. 28, 2014
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Fiscal Period, Policy	Fiscal year. We operate on a 52/53 week fiscal year, whereby the fiscal year ends on the last Saturday of December. Fiscal 2014 and 2013 each contain 52 weeks and the three and six months ended June 28, 2014 and June 29, 2013 each contained 13 and 26 weeks, respectively. Fiscal 2014 will end on December 27, 2014.
Fair Value Measurement, Policy	Assets Measured at Fair Value on a Recurring Basis We measure and report certain assets and liabilities at fair value on a recurring basis, including money market funds, U.S. Treasury securities, agency securities, commercial paper and foreign currency derivatives (see Note 18 to the Condensed Consolidated Financial Statements - Derivative Financial Instruments, for a discussion of fair value of foreign currency derivatives)

Disclosure of accounting policy for determining an entity's fiscal year or other fiscal period. This disclosure may include identification of the fiscal period end-date, the length of the fiscal period, any reporting period lag between the entity and its subsidiaries, or equity investees. If a reporting lag exists, the closing date of the entity having a different period end is generally noted, along with an explanation of the necessity for using different closing dates. Any intervening events that materially affect the entity's financial position or results of operations are generally also disclosed.

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