Stock Transactions And Stock-Based Compensation (Option Activity Under The Company's Stock Plans) (Details) - Jul. 03, 2015 - USD ($) $ / shares in Units, shares in Millions, $ in Millions	Total
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding as of December 31, 2014, Options	24.3
Granted, Options	1.3
Exercised, Options	(3.1)
Cancelled/forfeited, Options	(0.8)
Outstanding as of July 3, 2015, Options	21.7
Vested and expected to vest as of July 3, 2015, Options	20.6
Vested as of July 3, 2015, Options	11.3
Outstanding as of December 31, 2014, Weighted Average Exercise Price (dollars per share)	$ 48.92
Granted, Weighted Average Exercise Price ((dollars per share)	86.99
Exercised, Weighted Average Exercise Price ((dollars per share)	34.44
Cancelled/forfeited, Weighted Average Exercise Price ((dollars per share)	61.49
Outstanding as of July 3, 2015, Weighted Average Exercise Price ((dollars per share)	52.82
Vested and expected to vest as of July 3, 2015, Weighted Average Exercise Price ((dollars per share)	52.00
Vested as of July 3, 2015, Weighted Average Exercise Price ((dollars per share)	$ 39.78
Outstanding as of July 3, 2015, Weighted Average Remaining Contractual Term (in years)	6 years
Vested and expected to vest as of July 3, 2015, Weighted Average Remaining Contractual Term (in years)	6 years
Vested as of July 3,2015, Weighted Average Remaining Contractual Term (in years)	4 years
Outstanding as of July 3, 2015, Aggregate Intrinsic Value	$ 738.4
Vested and expected to vest as of July 3, 2015, Aggregate Intrinsic Value	717.6
Vested as of July 3,2015, Aggregate Intrinsic Value	$ 533.1