Retirement Plans (Schedule Of Pension Benefit Payments Expected Future Service) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011	Dec. 31, 2010
Pension and Other Postretirement Benefit Expense [Abstract]
Defined Benefit Plan, Service Cost	$ 2.9	$ 2.5		$ 2.5
Defined Benefit Plan, Interest Cost	7.6	7.9		7.9
Defined Benefit Plan, Expected Return on Plan Assets	(8.7)	(8.0)		(7.3)
Defined Benefit Plan, Amortization of Net Gains (Losses)	4.1	3.6		3.2
Other Comprehensive Income (Loss), Amortization, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost (Credit) Recognized in Net Periodic Benefit Cost, before Tax	(18.6)	7.5	6.7
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	0.2	0.2		0.2
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Curtailments	0	0		(1.7)
Defined Benefit Plan, Net Periodic Benefit Cost	6.1	6.2		4.8
Defined Benefit Plan, Amounts Recognized in Other Comprehensive Income (Loss), Net Prior Service Cost (Credit), before Tax	0	0		0
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, before Tax	0	0		0
Defined Benefit Plan Amounts Recognized In Other Comprehensive Income Total	0	0		0
2012	8.5
2013	9.0
2014	9.4
2015	9.9
2016	10.7
2017-2020	$ 60.2