Financial Instruments (Derivative Income Statement Location, Gains & Losses) (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2018	Mar. 31, 2017
Foreign Exchange Contract \| Designated derivative Instruments
Derivative Instruments, Gain (Loss) [Line Items]
Gains/(losses) recognized in OCI	$ 0.0	$ (0.6)
Foreign Exchange Contract \| Other income/(expense), net \| Undesignated derivative instruments
Derivative Instruments, Gain (Loss) [Line Items]
Gains/(losses) recognized in income	8.6	(15.3)
Foreign Exchange Contract \| Amounts reclassified from AOCI \| Accumulated Net Gain (Loss) from Cash Flow Hedges
Derivative Instruments, Gain (Loss) [Line Items]
Gain reclassified from AOCI into income	0.0	6.6
Interest rate contracts \| Interest expense \| Designated derivative Instruments
Derivative Instruments, Gain (Loss) [Line Items]
Gains/(losses) recognized in OCI	$ (2.6)	$ (1.2)

The aggregate cost of goods produced and sold and services rendered during the reporting period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.2)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5618551-113959

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-Subparagraph (a),(c),(d),(e)
-URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624171-113959

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624171-113959

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