Earnings Per Share (Narrative) (Details) - $ / shares shares in Millions	3 Months Ended		9 Months Ended
	Oct. 03, 2015	Sep. 27, 2014	Oct. 03, 2015	Sep. 27, 2014
Earnings Per Share [Abstract]
Antidilutive securities excluded from computation of earnings per share, amount	3.9	6.7	2.5	5.4
Antidilutive securities excluded from computation of earnings per share, exercise price, lower range limit	$ 48.39	$ 38.66	$ 51.97	$ 38.66
Antidilutive securities excluded from computation of earnings per share, exercise price, upper range limit	$ 73.40	$ 60.37	$ 73.40	$ 60.37