Exchange Rates Adopted to Translate Amounts from RMB into United States Dollars (Detail)	3 Months Ended	12 Months Ended
Jun. 30, 2012	Jun. 30, 2011	Mar. 31, 2012
Foreign Currency Exchange Rate [Line Items]
Three Months End RMB Exchange Rate (RMB/USD$)	6.3249	6.4716	6.2943
Average Period RMB Exchange Rate (RMB/USD$)	6.3074	6.5011	6.3933

Foreign exchange rate used to translate amounts denominated in functional currency to reporting currency.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 830

-SubTopic 30

-Section S99

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6897108&loc=SL6897125-166521

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Data Type:	xbrli:pureItemType
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Period Type:	instant