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Summary of Significant Accounting Policies - Income Taxes (Details) (USD $)
3 Months Ended
Mar. 29, 2014
Mar. 30, 2013
Income Tax Disclosure [Abstract]    
Tax provision $ 2,513,000 $ 513,000
Effective income tax rate 32.20% 5.80%
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit $ 700,000