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Fair Value Measurement (Details)	6 Months Ended
	Sep. 30, 2013
Details
Fair Value, Level 3 Transfers in, Description	There were no transfers of assets in to or out of Level 1, 2 or 3 for the three and six months ended September 30, 2013

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- Definition

Disclosures concerning the reasons for transfers into Level 3 of the fair value hierarchy.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(3)

-URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258

+ Details

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Balance Type:	na
Period Type:	duration

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- Details

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Namespace Prefix:	us-gaap_
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