Share-Based Compensation (Schedule Of Stock Options Activity) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 30, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Outstanding at beginning of year, number of shares	12,036
Outstanding at beginning of year, weighted-average exercise price	$ 33.97
Granted, number of shares	313
Granted, weighted-average exercise price	$ 89.16
Exercised, number of shares	(419)
Exercised, weighted-average exercise price	$ 19.25
Forfeited and expired, number of shares	(13)
Forfeited and expired, weighted-average exercise price	$ 67.73
Outstanding end of year, number of shares	11,917
Outstanding at end of year, weighted-average exercise price	$ 35.90
Outstanding at end of year, aggregate intrinsic value	$ 701,195
Outstanding at end of year, weighted-average remaining contractual term	6 years 3 months 16 days
Exercisable at end of year, number of shares	7,135
Exercisable at end of year, weighted-average exercise price	$ 18.25
Exercisable at end of year, aggregate intrinsic value	$ 545,759
Exercisable at end of year, weighted-average remaining contractual term	5 years 0 months 10 days