Property, Plant And Equipment (Schedule Of Property, Plant And Equipment) (Details) - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015
Property Plant And Equipment [Abstract]
Land	$ 38.0	$ 38.3
Buildings	261.2	250.4
Machinery and equipment	706.4	669.7
Computer software	18.7	16.8
Construction in progress	90.8	76.7
Less accumulated depreciation and amortization	(445.5)	(403.8)
Net property, plant and equipment	$ 669.6	$ 648.1