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		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 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	$ (1.0)	$ 0.1	$ 2.4	$ (9.3)
Amount of Gain (Loss) Excluded from the Assessment of Hedge Effectiveness	0.0	3.3	0.0	6.9
Cash Flow Hedging | Foreign currency forward contracts | Net sales
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Reclassified from AOCE into Earnings	0.9	2.0	8.1	(3.8)
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	0.0	3.3		6.9
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)	$ (1.9)	$ (5.7)	$ (5.5)