Guarantees (Details) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2015 USD ($)	Sep. 30, 2015 USD ($)
Guarantor Obligations [Line Items]
Guarantees ExpirationYear		2020
Guarantor Obligations, Maximum Exposure, Undiscounted	$ 18.4	$ 18.4
Loss Contingency Accrual	5.0	$ 5.0
Loss Contingency Accrual, Payments	2.0
Loss Contingency Accrual, Provision	$ 3.0

Guarantees Expiration Year

No definition available.

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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

No definition available.

+ Details

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- Definition

Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 460

-SubTopic 10

-Section 50

-Paragraph 4

-Subparagraph (b)(1)

-URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12069-110248

+ Details

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- Definition

Amount of loss contingency liability.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349

+ Details

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- Definition

Amount of payments made reducing loss contingency liability.

+ References

+ Details

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- Definition

Amount charged against operating income increasing loss contingency liability, after adjustments to reduce previously estimated charges.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
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