Stock Transactions And Stock-Based Compensation (Option Activity Under The Company's Stock Plans) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Apr. 03, 2015
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding as of December 31, 2014, Options	24.3
Granted, Options	1.2
Exercised, Options	(1.7)
Cancelled/forfeited, Options	(0.3)
Outstanding as of April 3, 2015, Options	23.5
Vested and expected to vest as of April 3, 2015, Options	22.4
Vested as of April 3, 2015, Options	12.8
Outstanding as of December 31, 2014, Weighted Average Exercise Price (dollars per share)	$ 48.92
Granted, Weighted Average Exercise Price ((dollars per share)	$ 87.04
Exercised, Weighted Average Exercise Price ((dollars per share)	$ 34.02
Cancelled/forfeited, Weighted Average Exercise Price ((dollars per share)	$ 56.16
Outstanding as of April 3, 2015, Weighted Average Exercise Price ((dollars per share)	$ 51.74
Vested and expected to vest as of April 3, 2015, Weighted Average Exercise Price ((dollars per share)	$ 50.89
Vested as of April 3, 2015, Weighted Average Exercise Price ((dollars per share)	$ 39.06
Outstanding as of April 3, 2015, Weighted Average Remaining Contractual Term (in years)	6 years
Vested and expected to vest as of April 3, 2015, Weighted Average Remaining Contractual Term (in years)	6 years
Vested as of April 3,2015, Weighted Average Remaining Contractual Term (in years)	4 years
Outstanding as of April 3, 2015, Aggregate Intrinsic Value	$ 767.4
Vested and expected to vest as of April 3, 2015, Aggregate Intrinsic Value	747.6
Vested as of April 3,2015, Aggregate Intrinsic Value	$ 577.0