Commercial Dispute (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended
Jun. 30, 2015	Sep. 30, 2014
Loss Contingencies [Line Items]
Loss Contingency Accrual, Payments		$ 5.9
Loss Contingency, Receivable, Additions	$ 3.7

Amount of additions to receivables pertaining to a loss contingency.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12053-110248

Name:	us-gaap_LossContingencyRelatedReceivableCarryingValueAdditions
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration