Accounting Policies (Property, Plant and Equipment) (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 02, 2021	Dec. 28, 2019
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment	$ 1,345.0	$ 1,373.7
Less: Accumulated Depreciation	(789.5)	(768.7)
Net Property, Plant and Equipment	555.5	605.0
Land and Improvements
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment	76.1	80.3
Buildings and Improvements
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment	290.7	305.2
Machinery and Equipment
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment	$ 978.2	$ 988.2
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