Net Income Per Share (Details) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 29, 2014	Jun. 30, 2013	Jun. 29, 2014	Jun. 30, 2013
Common Stock:
Weighted average basic shares outstanding	366,712	393,174	374,132	392,836
Dilutive effect of stock options and restricted shares	5,460	4,710	6,630	3,953
Weighted average diluted shares outstanding	372,172	397,884	380,762	396,789
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	4,758	13,145	5,306	15,488