2.0.0.10 false Short-term debt 0211 - Disclosure - Short-term debt true false false false 1 usd $ false false USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 USDEPS Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 2 Short-term debt [Abstract] 0 us-gaap_ShortTermBorrowingsAbstract us-gaap true na duration string No definition available. false false false false false true false false false false false false 1 false false false false 0 0 false false false No definition available. false 3 Short-term debt 1 us-gaap_ShortTermDebtTextBlock us-gaap true na duration string No definition available. false false false false false false false false false false false verboselabel false 1 false false false false 0 0   <div style="font-family: Helvetica,Arial,sans-serif"> <div align="left" style="font-size: 10pt; margin-top: 12pt"><b>11     Short-term debt</b> </div> <div align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 4%">Short-term borrowings outstanding on March 31, 2010 are from commercial banks for export financing denominated in US dollars, with average annual interest rates of 2.02%. </div> </div>  <!-- Begin Block Tagged Note false false false This element may be used as a single block of text to encapsulate the entire disclosure for short-term borrowings including data and tables. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 7 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 13 -Article 9 false false 1 2 false UnKnown UnKnown UnKnown false true