Shareholders' Equity Shareholders' Equity (Schedule Of Share-Based Incentive Plan Grant Activity) (Details) (Options and SAR's [Member], USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended
	Jan. 03, 2015	Dec. 28, 2013
Options and SAR's [Member]
Share-based incentive plan grant activity
Options Shares Outstanding at December 28, 2013	1,563,270
Option Shares, Granted	148,955
Options Shares, Exercised	(163,742)
Option Shares, Forfeited	(59,651)
Options Shares Outstanding at January 3, 2015	1,488,832	1,563,270
Options Shares, Exercisable at January 3, 2015	878,489
Options Weighted Average Exercise Price at December 28, 2013	$ 56.04
Options Weighted Average Exercise Price, Granted	$ 75.76
Options Weighted Average Exercise Price, Exercised	$ 43.01
Optionss Weighted Average Exercise Price, Forfeited	$ 60.21
Options Weighted Average Exercise Price at January 3, 2015	$ 59.34	$ 56.04
Options Weighted Average Exercise Price at January 3, 2015	$ 53.20
Options Outstanding Weighted Average Remaining Contractual Terms (years)		5 years 9 months 15 days
Options Exercisable Weighted Average Remaining Contractual Term (years)	4 years 4 months 28 days
Options Outstanding Aggregate Intrinsic Value	$ 23.9
Options Exercisable Aggregate Intrinsic Value	$ 19.5