Accounting Policies (Property, Plant and Equipment) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 28, 2019	Dec. 29, 2018
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment	$ 1,373.7	$ 1,356.8
Less: Accumulated Depreciation	(768.7)	(741.3)
Net Property, Plant and Equipment	605.0	615.5
Land and Improvements
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment	80.3	82.1
Buildings and Improvements
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment	305.2	302.8
Machinery and Equipment
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment	$ 988.2	$ 971.9
Minimum
Property, Plant and Equipment [Line Items]
Useful Life	3 years
Minimum | Buildings and Improvements
Property, Plant and Equipment [Line Items]
Useful Life	3 years
Minimum | Machinery and Equipment
Property, Plant and Equipment [Line Items]
Useful Life	3 years
Maximum
Property, Plant and Equipment [Line Items]
Useful Life	50 years
Maximum | Buildings and Improvements
Property, Plant and Equipment [Line Items]
Useful Life	50 years
Maximum | Machinery and Equipment
Property, Plant and Equipment [Line Items]
Useful Life	15 years