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	6 Months Ended
	Jun. 28, 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)	1,612
Exercised, Options (shares)	(3,152)
Cancelled / forfeited, Options (shares)	(562)
Outstanding as of June 28, 2013, Options (shares)	25,270
Outstanding as of December 31, 2012, Weighted Average Exercise Price (dollars per share)	$ 37.94
Granted, Weighted Average Exercise Price (dollars per share)	$ 61.04
Exercised, Weighted Average Exercise Price (dollars per share)	$ 30.37
Cancelled / forfeited, Weighted Average Exercise Price (dollars per share)	$ 42.34
Outstanding as of June 28, 2013, Weighted Average Exercise Price (dollars per share)	$ 40.26
Outstanding as of June 28, 2013, Weighted Average Remaining Contractual Term (in Years)	6 years
Outstanding as of June 28, 2013, Aggregate Intrinsic Value	$ 582,202
Vested and Expected to Vest as of June 28, 2013, Options (Shares)	24,642	[1]
Vested and Expected to Vest as of June 28, 2013, Weighted Average Exercise Price (dollars per share)	$ 40.00	[1]
Vested and Expected to Vest as of June 28, 2013, Weighted Average Remaining Contractual Term (in Years)	6 years	[1]
Vested and Expected to Vest as of June 28, 2013, Aggregate Intrinsic Value	574,252	[1]
Vested as of June 28, 2013, Options (shares)	13,318
Vested as of June 28, 2013, Weighted Average Exercise Price (dollars per share)	$ 33.88
Vested as of June 28, 2013, Weighted Average Remaining Contractual Term (in Years)	4 years
Vested as of June 28, 2013, Aggregate Intrinsic Value	$ 391,846

[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.