Commitments and Contingencies - Phantom (Details) (Tax Year 2008, USD $) In Millions, unless otherwise specified	1 Months Ended	9 Months Ended
Sep. 30, 2013	Oct. 31, 2014 Selling and Administrative Costs	Oct. 31, 2014 Other Income
Gain Contingencies
Recovery of excessive taxes and interest	$ 0.7	$ 0.6	$ 0.1

Amount of judgment or settlement awarded to (against) the entity in respect of litigation.

No definition available.

Name:	us-gaap_LitigationSettlementAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration