Property, Plant And Equipment (Schedule Of Property, Plant And Equipment) (Details) - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015
Property, Plant and Equipment [Line Items]
Total — gross book value	$ 1,019.1	$ 1,068.6
Less accumulated depreciation	(489.8)	(505.4)
Total — net book value	529.3	563.2
Land [Member]
Property, Plant and Equipment [Line Items]
Total — gross book value	44.7	50.0
Buildings and Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Total — gross book value	206.5	206.3
Machinery, Equipment and Office Furnishings [Member]
Property, Plant and Equipment [Line Items]
Total — gross book value	714.4	786.0
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Total — gross book value	$ 53.5	$ 26.3