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Business Combinations and Goodwill (Details) (USD $)
9 Months Ended 1 Months Ended 6 Months Ended 1 Months Ended
Sep. 28, 2013
Sep. 29, 2012
Dec. 29, 2012
Dec. 31, 2011
SiliconBlue Technologies Ltd.
Jun. 30, 2012
SiliconBlue Technologies Ltd.
Jul. 31, 2011
Rise Technology Development Limited
Business Acquisition [Line Items]            
Cash purchase price       $ 63,200,000   $ 1,000,000
Goodwill 44,808,000   44,808,000 43,900,000   900,000
Acquired intangible assets       18,500,000    
Step-up in inventory         300,000  
Impairment charges related to goodwill and intangible assets $ 0 $ 0