Derivatives (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2018	Sep. 30, 2018
Cash Flow Hedging \| Interest Rate Swap
Derivative [Line Items]
Derivative instruments, gain (loss) reclassified from accumulated oci into income, effective portion, net		$ 0.4
Designated as Hedging Instrument \| Cash Flow Hedging \| Foreign Exchange Contract
Derivative [Line Items]
Derivative, term of contract		12 months
Derivative instruments, gain (loss) reclassified from accumulated oci into income, effective portion, net	$ 0.1	$ 0.4
Designated as Hedging Instrument \| Cash Flow Hedging \| Interest Rate Swap
Derivative [Line Items]
Derivative instruments, gain (loss) reclassified from accumulated oci into income, effective portion, net	0.4
Not Designated as Hedging Instrument, Economic Hedge \| Foreign Exchange Contract
Derivative [Line Items]
Derivative, gain on derivative	$ 0.5
Derivative, loss on derivative		$ 2.3

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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959

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- Definition

The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4D
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624177-113959

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624171-113959

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- Definition

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

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

+ References

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- Definition

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

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