Basis of Presentation Reclassifications for the Adoption of New Accounting Pronouncements (Details) - USD ($) $ in Millions	9 Months Ended	12 Months Ended
Sep. 30, 2015	Dec. 31, 2014
Accounting Standards Update 2015-03
Debt Instrument [Line Items]
Debt issuance costs	$ 5.1	$ 2.1

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.

No definition available.

Name:	us-gaap_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration