Stock Transactions And Stock-Based Compensation (Option Activity Under The Company's Stock Plans) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 29, 2013
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding as of December 31,2012, Options (shares)	27,372
Granted, Options (shares)	1,452
Exercised, Options (shares)	(1,626)
Cancelled / forfeited, Options (shares)	(350)
Outstanding as of March 29, 2013, Options (shares)	26,848
Outstanding as of December 31, 2012, Weighted Average Exercise Price (dollars per share)	$ 37.94
Granted, Weighted Average Exercise Price (dollars per share)	$ 60.99
Exercised, Weighted Average Exercise Price (dollars per share)	$ 30.81
Cancelled / forfeited, Weighted Average Exercise Price (dollars per share)	$ 40.12
Outstanding as of March 29, 2013, Weighted Average Exercise Price (dollars per share)	$ 39.59
Outstanding as of March 29, 2013, Weighted Average Remaining Contractual Term (in Years)	6 years
Outstanding as of March 29, 2013, Aggregate Intrinsic Value	$ 605,786
Vested and Expected to Vest as of March 29, 2013, Options (Shares)	26,140	[1]
Vested and Expected to Vest as of March 29, 2013, Weighted Average Exercise Price (dollars per share)	$ 39.31	[1]
Vested and Expected to Vest as of March 29, 2013, Weighted Average Remaining Contractual Term (in Years)	6 years	[1]
Vested and Expected to Vest as of March 29, 2013, Aggregate Intrinsic Value	597,126	[1]
Vested as of March 29, 2013, Options (shares)	14,761
Vested as of March 29, 2013, Weighted Average Exercise Price (dollars per share)	$ 33.42
Vested as of March 29, 2013, Weighted Average Remaining Contractual Term (in Years)	4 years
Vested as of March 29, 2013, Aggregate Intrinsic Value	$ 424,069

[1] The “Expected to Vest” options are the net unvested options that remain after applying the pre-vesting forfeiture rate assumption to total unvested options.