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Intangible Assets Intangible Assets - Additional Information (Details) - USD ($)
$ in Millions
6 Months Ended
Jul. 04, 2015
Jun. 28, 2014
Goodwill and Intangible Assets Disclosure [Abstract]    
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life 10 years  
Amortization of Intangible Assets $ 2.4 $ 1.7