Stock Transactions And Stock-Based Compensation (Option Activity Under The Company's Stock Plans) (Details) $ / shares in Units, shares in Millions, $ in Millions	9 Months Ended
	Oct. 02, 2015 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding as of December 31, 2014, Options | shares	24.3
Granted, Options | shares	3.1
Exercised, Options | shares	(5.0)
Cancelled/forfeited, Options | shares	(1.0)
Outstanding as of October 2, 2015, Options | shares	21.4
Vested and expected to vest as of October 2, 2015, Options | shares	20.2
Vested as of October 2, 2015, Options | shares	11.0
Outstanding as of December 31, 2014, Weighted Average Exercise Price (dollars per share)	$ 48.92
Granted, Weighted Average Exercise Price ((dollars per share)	87.79
Exercised, Weighted Average Exercise Price ((dollars per share)	36.39
Cancelled/forfeited, Weighted Average Exercise Price ((dollars per share)	66.64
Outstanding as of October 2, 2015, Weighted Average Exercise Price ((dollars per share)	56.65
Vested and expected to vest as of October 2, 2015, Weighted Average Exercise Price ((dollars per share)	55.73
Vested as of October 2, 2015, Weighted Average Exercise Price ((dollars per share)	$ 42.34
Outstanding as of October 2, 2015, Weighted Average Remaining Contractual Term (in years)	6 years
Vested and expected to vest as of October 2, 2015, Weighted Average Remaining Contractual Term (in years)	6 years
Vested as of October 2, 2015, Weighted Average Remaining Contractual Term (in years)	4 years
Outstanding as of October 2, 2015, Aggregate Intrinsic Value | $	$ 645.6
Vested and expected to vest as of October 2, 2015, Aggregate Intrinsic Value | $	626.7
Vested as of October 2, 2015, Aggregate Intrinsic Value | $	$ 485.8