Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

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Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

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The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period.

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Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments.

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Amount after tax of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss).

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Derivative Instruments and Hedging Activities ( Fair Value Of Derivative Instruments) (Details) € in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2017 EUR (€)
Gain (Loss) Reclassified from Accumulated Other Comprehensive Loss into Income	$ (2.0)	$ (1.0)	$ (2.7)
Derivative assets	7.8	6.5
Derivative liabilities	17.0	13.4
Designated as Hedging Instrument \| Foreign Exchange Contract \| Other current assets
Derivative assets	0.0	0.2
Designated as Hedging Instrument \| Foreign Exchange Contract \| Other current liabilities
Derivative liabilities	1.2	3.9
Designated as Hedging Instrument \| Interest Rate Contract \| Other noncurrent assets
Derivative assets	0.0	0.0
Designated as Hedging Instrument \| Interest Rate Contract \| Other noncurrent liabilities
Derivative liabilities	4.8	6.4
Not Designated as Hedging Instrument \| Foreign Exchange Contract
Derivative, Notional Amount	1,701.4	1,550.2
Not Designated as Hedging Instrument \| Foreign Exchange Contract \| Other current assets
Derivative assets	7.8	6.3
Not Designated as Hedging Instrument \| Foreign Exchange Contract \| Other current liabilities
Derivative liabilities	11.0	3.1
Cash Flow Hedging \| Designated as Hedging Instrument
Gain (Loss) Recognized in Accumulated Other Comprehensive Loss	2.0	(7.7)	(4.6)
Gain (Loss) Reclassified from Accumulated Other Comprehensive Loss into Income	(2.0)	(1.0)	(2.7)
Derivative, Notional Amount	1,798.2
Cash Flow Hedging \| Designated as Hedging Instrument \| Interest Rate Swap
Derivative, Notional Amount	374.2			€ 312.0
Cash Flow Hedging \| Designated as Hedging Instrument \| Foreign Exchange Contract
Derivative, Notional Amount	96.8	111.2
Other Nonoperating Income (Expense) \| Not Designated as Hedging Instrument \| Foreign Exchange Contract
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	38.3	(5.7)	(67.3)
Cost of Goods, Total \| Cash Flow Hedging \| Designated as Hedging Instrument \| Foreign Exchange Contract
Gain (Loss) Recognized in Accumulated Other Comprehensive Loss	2.7	(2.6)	(2.3)
Gain (Loss) Reclassified from Accumulated Other Comprehensive Loss into Income	0.4	1.0	(2.4)
Interest Expense \| Cash Flow Hedging \| Designated as Hedging Instrument \| Interest Rate Swap
Gain (Loss) Recognized in Accumulated Other Comprehensive Loss	(0.7)	(5.1)	(2.3)
Gain (Loss) Reclassified from Accumulated Other Comprehensive Loss into Income	$ (2.4)	$ (2.0)	$ (0.3)