Financial Instruments and Risk Management (Effect Of Derivative Instruments on the Condensed Consolidated Statements of Operations Derivatives in Cash Flow Hedging Relationships) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Derivative Instruments, Gain (Loss) [Line Items]
Document Fiscal Year Focus	2018
Cash Flow Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Reclassified from AOCE into Earnings	$ 2.9	$ (7.0)
Amount of Gain (Loss) Excluded from the Assessment of Hedge Effectiveness	0.0	(0.8)
Cash Flow Hedging | Foreign currency forward contracts | Net sales
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Reclassified from AOCE into Earnings	4.8	(5.2)
Cash Flow Hedging | Foreign currency forward contracts | Other income
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Excluded from the Assessment of Hedge Effectiveness		(0.8)
Cash Flow Hedging | Foreign currency forward contracts | Other expense
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Excluded from the Assessment of Hedge Effectiveness	0.0
Cash Flow Hedging | Interest rate swaps | Interest expense
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Reclassified from AOCE into Earnings	$ (1.9)	$ (1.8)