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Income Taxes (Details)
3 Months Ended 9 Months Ended
Sep. 26, 2018
Sep. 27, 2017
Sep. 26, 2018
Sep. 27, 2017
Income Tax Disclosure [Abstract]        
Effective tax rate, percent 20.60% 36.80% 18.30% 36.30%
Effective income tax rate reconciliation, discrete item relating to share-based compensation, percent 0.40%   3.10%  
U.S. statutory tax rate     21.00% 35.00%