Shareholders' Equity (Schedule Of Share-Based Incentive Plan Grant Activity) (Details) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended
	Dec. 29, 2012	Dec. 31, 2011	Dec. 31, 2010
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate	1.30%	2.30%	2.80%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term	7 years	7 years	7 years
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate	37.60%	35.60%	34.80%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate	1.20%	1.00%	1.10%
Per share weighted average fair value of share-based incentive awards granted	$ 22.45	$ 25.80	$ 22.62
Number of shares, Outstanding, Shares, Beginning Balance	1,747,255.0
Granted, Shares	255,225.0
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price	$ 63.56
Exercised, Shares	403,765.0
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price	$ 41.14
Forfeited, Shares	30,290.0
Number of shares, Outstanding, Shares, Ending Balance	1,568,425.0	1,747,255.0
Number of shares, Exercisable, Shares	654,810.0
Number of shares, Outstanding, Wtd. Avg. Exercise Price, Beginning Balance	$ 49.94
Forfeited, Wtd. Avg. Exercise Price	$ 56.79
Number of shares, Outstanding, Wtd. Avg. Exercise Price, Ending Balance	$ 54.02	$ 49.94
Number of shares, Exercisable, Wtd. Avg. Exercise Price	$ 42.00
Number of shares, Exercisable, Wtd. Avg. Remaining Contractual Term (years)	4 years 6 months	6 years 7 months 6 days
Number of shares, Outstanding, Aggregate Intrinsic Value, Ending Balance	$ 23.9
Number of shares, Exercisable, Aggregate Intrinsic Value	$ 17.5