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Intangible Assets Intangible Assets - Future Amortization Expense (Details) (USD $)
In Thousands, unless otherwise specified
Apr. 04, 2015
Jan. 03, 2015
Goodwill and Intangible Assets Disclosure [Abstract]    
2014 $ 3,272us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear  
2015 3,081us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo  
2016 2,961us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree  
2017 2,608us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour  
2018 2,341us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive  
Thereafter 13,092us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive  
Net carrying amount $ 27,355us-gaap_FiniteLivedIntangibleAssetsNet $ 27,771us-gaap_FiniteLivedIntangibleAssetsNet