OTHER FINANCIAL INFORMATION (Property, Plant, And Equipment By Major Classification) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 03, 2021	Jun. 27, 2020	Jul. 03, 2021	Jun. 27, 2020	Jan. 02, 2021
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment	$ 1,342.6		$ 1,342.6		$ 1,345.0
Less: Accumulated Depreciation	(808.5)		(808.5)		(789.5)
Net Property, Plant and Equipment	534.1		534.1		555.5
Asset Impairments	2.3	$ 2.8	2.3	$ 4.3
Land and Improvements
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment	74.9		74.9		76.1
Buildings and Improvements
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment	288.4		$ 288.4		290.7
Buildings and Improvements | Minimum
Property, Plant and Equipment [Line Items]
Useful life			3 years
Buildings and Improvements | Maximum
Property, Plant and Equipment [Line Items]
Useful life			50 years
Machinery and Equipment
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment	$ 979.3		$ 979.3		$ 978.2
Machinery and Equipment | Minimum
Property, Plant and Equipment [Line Items]
Useful life			3 years
Machinery and Equipment | Maximum
Property, Plant and Equipment [Line Items]
Useful life			15 years