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Recent Accounting Pronouncements - Additional Information (Detail) (USD $)	Jun. 30, 2013
Goodwill And Intangible Assets Disclosure [Abstract]
Indefinite-lived intangible assets	$ 0

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- Details

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- Definition

Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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