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VAT Tax Issue in Brazil (Details 2) | Jul. 31, 2013 USD ($) | Jul. 31, 2013 BRL | Jan. 31, 2013 USD ($) | Jan. 31, 2013 BRL
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Noncurrent assets ,VAT taxes eligible for future credit | $ 1.9 | [1] | 3.4 | $ 3,400,000 | 1,900,000 | [1]
Long-term liabilities, Taxes payable | $ 3,100,000 | [1] | 6.2 | $ 6,200,000 | 3,100,000 | [1]
[1] | At exchange rate prevailing in 2010 when recorded.

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- Definition "The cumulative amount of future tax effects arising from the unused tax credit carryforward that cannot be utilized on the tax return during a year that may be carried forward to reduce the payable for statutory sales and use taxes, including value added tax." + References No definition available. + Details
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- Definition Carrying value as of the balance sheet date of obligations incurred and payable for statutory income, sales, use, payroll, excise, real, property and other taxes. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.15) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 15 -Article 7 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 15 -Subparagraph 1, 5 -Article 9 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.15) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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