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Net Income Per Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended 6 Months Ended
Jul. 01, 2017
Jun. 25, 2016
Jul. 01, 2017
Jun. 25, 2016
Basic net income per share:        
Net income $ 160,649 $ 156,425 $ 220,960 $ 224,093
Weighted average number of shares outstanding, basic 128,186 133,564 129,231 133,597
Net income per share – basic $ 1.25 $ 1.17 $ 1.71 $ 1.68
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) 536 998 675 1,038
Dilutive stock options and restricted stock units outstanding, per share (in dollars per share) $ (0.00) $ (0.01) $ (0.01) $ (0.02)
Net income $ 160,649 $ 156,425 $ 220,960 $ 224,093
Weighted average number of shares outstanding, diluted 128,722 134,562 129,906 134,635
Net income per share, diluted (in dollars per share) $ 1.25 $ 1.16 $ 1.70 $ 1.66
Antidilutive securities excluded from computation of earnings per share, amount 4,100 1,700 3,200 1,500