Income Taxes (Details) (USD $)
3 Months Ended
Mar. 27, 2015
Mar. 29, 2014
Dec. 31, 2014
Income Tax Disclosure [Abstract]      
Income tax expense $ 2,794,000 $ 6,343,000  
Effective income tax rate 36.00% 36.10%  
Federal statutory rate 35.00% 35.00%  
Anticipated unrecognized tax benefits that would affect effective tax rate 6,900,000    
Unrecognized tax benefits $ 7,600,000   $ 7,600,000