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Derivative Instruments and Hedging Activities (Fair Value Of Derivative Instruments) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Derivative [Line Items]
Derivative asset, fair value	$ 9.3		$ 9.3		$ 6.5
Derivative liability, fair value	13.3		13.3		13.4
Other Current Assets [Member]
Derivative [Line Items]
Derivative asset, fair value	9.3		9.3		6.5
Other Current Liabilities [Member]
Derivative [Line Items]
Derivative liability, fair value	13.3		13.3		13.4
Foreign Exchange Contract [Member] \| Designated as Hedging Instrument [Member] \| Other Current Assets [Member]
Derivative [Line Items]
Derivative asset, fair value	2.6		2.6		0.2
Foreign Exchange Contract [Member] \| Designated as Hedging Instrument [Member] \| Other Current Liabilities [Member]
Derivative [Line Items]
Derivative liability, fair value	1.3		1.3		3.8
Foreign Exchange Contract [Member] \| Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative asset, fair value	6.7		6.7		6.3
Foreign Exchange Contract [Member] \| Not Designated as Hedging Instrument [Member] \| Other Current Liabilities [Member]
Derivative [Line Items]
Derivative liability, fair value	7.1		7.1		3.2
Interest Rate Contract [Member] \| Designated as Hedging Instrument [Member] \| Other Noncurrent Assets [Member]
Derivative [Line Items]
Derivative asset, fair value	0.0		0.0		0.0
Interest Rate Contract [Member] \| Designated as Hedging Instrument [Member] \| Other Noncurrent Liabilities [Member]
Derivative [Line Items]
Derivative liability, fair value	4.9		4.9		$ 6.4
Other Nonoperating Income (Expense) [Member] \| Foreign Exchange Contract [Member] \| Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative instruments not designated as hedging instruments, gain (loss), net	$ 18.1	$ 6.0	$ 21.9	$ 14.3