Derivatives (Narrative) (Details) $ in Millions	9 Months Ended
Sep. 30, 2015 USD ($)
Changes in Fair Value of Derivatives Not Designated As Hedges, Immaterial Assertion	not material
Fair Value Of Non Hedge Derivatives Immaterial Assertion	0
Fair value hedge ineffectiveness	0
Cash flow hedge ineffectiveness	0
Cash Flow Hedge Income to be Reclassified within Twelve Months	$ 5.6
Cross Currency Interest Rate Swap [Member]
Derivative, Notional Amount	191.6
Interest Rate Swaps [Member]
Derivative, Notional Amount	$ 596.0
Minimum [Member] \| Interest Rate Swaps [Member]
Derivative, Term of Contract	5 years
Maximum [Member] \| Cash Flow Hedging [Member]
Derivative, Term of Contract	1 year
Maximum [Member] \| Cross Currency Interest Rate Contract [Member]
Derivative, Term of Contract	3 years
Maximum [Member] \| Foreign Exchange Forward [Member]
Derivative, Term of Contract	18 months
Maximum [Member] \| Interest Rate Swaps [Member]
Derivative, Term of Contract	10 years
United States [Member] \| Foreign Exchange Contract [Member]
Derivative, Notional Amount	$ 174.4
Total International [Member] \| Foreign Exchange Contract [Member]
Derivative, Notional Amount	$ 41.3

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

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 12

-Section 13

-Sentence Column B

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Entity discloses that the fair value of derivatives not designated as hedges is immaterial.

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- Definition

The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=35736893&loc=d3e80748-113994

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A disclosure of an assertion that the amount of cash flow hedge ineffectiveness is immaterial.

+ 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 (d)(1)

-URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624171-113959

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Period the derivative contract is outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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