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Net Income Per Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 24, 2016
Sep. 30, 2017
Sep. 24, 2016
Basic net income per share:        
Net income $ 91,896 $ 89,444 $ 312,856 $ 313,537
Weighted average number of shares outstanding, basic 126,416 133,392 128,293 133,529
Net income per share – basic $ 0.73 $ 0.67 $ 2.44 $ 2.35
Diluted net income per share:        
Dilutive stock options and restricted stock units outstanding, income $ 0 $ 0 $ 0 $ 0
Dilutive stock options and restricted stock units outstanding, per share (in shares) 503 864 617 980
Dilutive stock options and restricted stock units outstanding, per share (in dollars per share) $ (0.01) $ (0.00) $ (0.01) $ (0.02)
Net income $ 91,896 $ 89,444 $ 312,856 $ 313,537
Weighted average number of shares outstanding, diluted 126,919 134,256 128,910 134,509
Net income per share, diluted (in dollars per share) $ 0.72 $ 0.67 $ 2.43 $ 2.33
Antidilutive securities excluded from computation of earnings per share, amount 4,100 1,800 3,900 1,600