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Income Taxes (Details)
9 Months Ended
Sep. 30, 2015
Sep. 24, 2014
Income Tax Disclosure [Abstract]    
Effective tax rate, percent 34.00% 33.20%
State jobs tax credits, percent 0.60% 1.40%
Tax rate benefit, foreign tax credit, percent 1.80%  
Tax rate benefit, adjustment, percent   1.30%