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Income Taxes (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Oct. 01, 2016
Oct. 03, 2015
Oct. 01, 2016
Oct. 03, 2015
Income Tax Disclosure [Abstract]        
Income tax provision $ 16,837 $ 18,619 $ 38,652 $ 37,367
Income before income taxes $ 50,649 $ 59,465 $ 113,333 $ 110,542
Effective income tax rate (percent) 33.20% 31.30% 34.10% 33.80%