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Organization (Details) (USD $) In Millions, unless otherwise specified	0 Months Ended	6 Months Ended	12 Months Ended
	Jul. 31, 2014	Mar. 31, 2015	Sep. 30, 2014
Segment Reporting Information [Line Items]
Number of Reportable Segments		2us-gaap_NumberOfReportableSegments
Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage	49.00%us-gaap_VariableInterestEntityOwnershipPercentage
Payments to Acquire Interest in Joint Venture			$ 1.7us-gaap_PaymentsToAcquireInterestInJointVenture

X

- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

No definition available.

+ Details

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X

- Definition

The cash outflow associated with the investment in or advances to an entity in which the reporting entity shares control of the entity with another party or group.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 13

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585

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Namespace Prefix:	us-gaap_
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Balance Type:	credit
Period Type:	duration

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- Details

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X

- Definition

Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 810

-SubTopic 10

-Section 50

-Paragraph 5A

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=28200181&loc=SL6759159-111685

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