Earnings Per Share (Details) - shares shares in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2018	Oct. 01, 2017	Sep. 30, 2018	Oct. 01, 2017
Earnings Per Share [Abstract]
Basic weighted average shares outstanding (shares)		295,339	298,145	295,964	299,902
Dilutive effect of stock options and restricted stock/RSUs (shares)	[1]	3,748	5,606	4,114	5,599
Diluted weighted average shares outstanding (shares)		299,087	303,751	300,078	305,501

[1] Excludes outstanding options to purchase shares of common stock that had exercise prices in excess of the average market price of our common stock during the period and, therefore, the effect of including these options would be antidilutive. These options totaled 3,447 and 3,043 for the three- and nine-month periods ended September 30, 2018, and 1,850 and 1,449 for the three- and nine-month periods ended October 1, 2017, respectively.