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Stockhodlers' Equity - Summary of Company's Equity Award Activity - RSUs (Details) (Restricted Stock Units (RSUs) [Member], USD $)
In Thousands, except Per Share data, unless otherwise specified
9 Months Ended
Sep. 28, 2013
Restricted Stock Units (RSUs) [Member]
 
Number of Restricted Stock Units  
Number of Stock Units, Beginning Balance 6,703
Number of Restricted Stock Units, granted 3,258
Number of Restricted Stock Units, released (2,903)
Number of Restricted Stock Units, canceled (499)
Number of Stock Units, Ending Balance 6,559
Number of Restricted Stock Units, Expected to vest 6,375
Weighted- Average Grant Date Fair Value Per Share  
Weighted-Average Grant Date Fair Value Per Share, Beginning Balance $ 8.01
Weighted-Average Grant Date Fair Value Per Share, granted $ 7.36
Weighted-Average Grant Date Fair Value Per Share, released $ 8.27
Weighted-Average Grant Date Fair Value Per Share, canceled $ 7.67
Weighted-Average Grant Date Fair Value Per Share, Ending Balance $ 7.60
Aggregate Intrinsic Value  
Aggregate Intrinsic Value, Beginning Balance $ 38,873
Aggregate Intrinsic Value, RSUs released 23,389
Aggregate Intrinsic Value, Ending Balance 74,768
Aggregate Intrinsic Value, Expected to vest $ 72,679