Employee Benefit Plans (Schedule Of Stock Option Activity) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Apr. 01, 2012
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Number of Shares, Beginning Balance (in shares)	3,950
Number of Shares, Granted (in shares)	180
Number of Shares, Exercised (in shares)	(203)
Number of Shares, Cancelled (in shares)	(60)
Number of Shares, Ending Balance (in shares)	3,867
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Weighted Average Exercise Price Per Share, Beginning Balance (in dollars per share)	$ 27.03
Weighted Average Exercise Price Per Share, Granted (in dollars per share)	$ 39.60
Weighted Average Exercise Price Per Share, Exercised (in dollars per share)	$ 21.55
Weighted Average Exercise Price Per Share, Cancelled (in dollars per share)	$ 32.01
Weighted Average Exercise Price Per Share, Ending Balance (in dollars per share)	$ 27.82