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VAT TAX ISSUE IN BRAZIL (Details Textual) | 1 Months Ended | 12 Months Ended | 1 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Oct. 31, 2010 USD ($) | Oct. 31, 2010 BRL | May 31, 2010 USD ($) | May 31, 2010 BRL | Oct. 31, 2009 USD ($) | Oct. 31, 2009 BRL | Jan. 31, 2014 USD ($) | Jan. 31, 2014 BRL | Jan. 31, 2013 USD ($) | Jan. 31, 2014 After State Amnesty Accepted [Member] USD ($) | Jan. 31, 2014 After State Amnesty Accepted [Member] BRL | Oct. 31, 2010 Claim 2007-2009 By State Of Bahia [Member] USD ($) | Oct. 31, 2010 Claim 2007-2009 By State Of Bahia [Member] BRL | Jan. 31, 2014 Claim December 2013 By State of Sao Paulo [Member] USD ($) | Jan. 31, 2014 Maximum [Member] | Jan. 31, 2014 Minimum [Member]
Vat Tax Issue In Brazil [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign Currency Exchange Rate Translation1 |  |  |  |  |  |  | 1.82 | 1.82 |  |  |  |  |  |  |  |  |  |
Value Added Tax Examination Claims Incurred In Period |  |  |  |  | $ 3,000,000 | 4,800,000 |  |  |  |  |  |  |  |  |  | $ 45,000 |  |
Value Added Tax Examination Penalties and Interest Expense |  |  |  |  | 3,500,000 | 5,600,000 |  |  |  |  |  |  |  |  |  | 200,000 |  |
Value Added Tax Examination Income Tax Total |  |  |  |  | 6,500,000 | 10,400,000 |  |  |  |  |  |  |  |  |  |  |  |
Value Added Tax Claim Paid Amount |  |  | 1,900,000 | 3,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Value Added Tax Credit Carryforward Amount |  |  |  |  |  |  | 1,100,000 | 2,100,000 |  |  |  |  |  |  |  |  |  |
Other Tax Expense (Benefit) |  |  |  |  |  |  | 1,600,000 |  |  |  |  |  |  |  |  |  |  |
Value Added Tax Fines and Penalties Defendable | 600,000 | 1,300,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Value Added Tax Payable During Period | 5,500,000 | 12,900,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fines and penalties |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,900,000 | 6,700,000 |  |  |
Available For Credit | 1,400,000 | 3,400,000 |  |  |  |  |  | 5,400,000 | [1] | 2,900,000 | [1] |  |  |  |  |  |  |
Value Added Tax Judicial deposit |  |  |  |  |  |  | 2,600,000 | 6,200,000 |  |  |  |  |  |  |  |  |  |
Value Added Tax Judicial Tax Claim Percentage |  |  |  |  |  |  | 20.00% | 20.00% |  |  |  |  |  |  |  |  |  |
Value Added Tax Judicial Tax Claim Amount | 2,600,000 | 6,200,000 |  |  |  |  | 6,600,000 | 15,400,000 |  |  |  |  |  |  |  |  |  |
Formal Judicial Process Period |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10 years | 5 years
Value Added Tax Claims Accepted Amnesty For Smaller Claim Periodic Payment |  |  |  |  |  |  |  |  |  |  |  | 18,000 | 42,000 |  |  |  |  |
Value Added Tax Claims Percentage Of Abatement For Penalty And Interest |  |  |  |  |  |  |  |  |  |  |  | 80.00% | 80.00% |  |  |  |  |
Value Added Tax Claims Penalty And Interest Accrued |  |  |  |  |  |  |  |  |  |  |  | 153,000 |  |  |  |  |  |
Loss Contingency, Opinion of Counsel |  |  |  |  |  |  | our attorney informs us that R$1.0 (US $0.6) million will be successfully defended based on a lapse of statute of limitations and R$0.3 (US $0.2) million based on state auditor misunderstanding | our attorney informs us that R$1.0 (US $0.6) million will be successfully defended based on a lapse of statute of limitations and R$0.3 (US $0.2) million based on state auditor misunderstanding |  |  |  |  |  |  |  |  |  |
Loss Contingency Accrual, Beginning Balance |  |  |  |  |  |  | $ 0 |  |  |  |  |  |  |  |  |  |  |
[1] | The amount allowed as credit against future payments represents the VAT taxes actually previously paid to the neighboring state.

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- Definition This element represents the number of years of judicial process. + References No definition available. + Details
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- Definition Amount of value added tax available for credit. + References No definition available. + Details
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Balance Type: | credit
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- Definition The amount of value payable for the claim of income tax. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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- Definition This element represents that, the amount of periodic payments for accepted amnesty for smaller claim under value added tax claims. + References No definition available. + Details
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Namespace Prefix: | lake_
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- Definition This element represents that, the amount of accrued penalty and interest under value added tax claims. + References No definition available. + Details
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Namespace Prefix: | lake_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition This element represents that, the percentage of abatement for penalty and interest under value added tax claims. + References No definition available. + Details
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- Definition The amount of value added tax 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 The claims Incurred in Period resulting from the income tax examination that has been recorded during the period. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
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- Definition The estimated loss resulting from the income tax examination that has been recorded during the period including interest and penalties. + References No definition available. + Details
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- Definition The sum of the amounts of estimated penalties and interest recognized in the period arising from tax examinations. + References No definition available. + Details
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- Definition The amount of VAT fines, penalties paid during the period. + References No definition available. + Details
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Balance Type: | debit
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- Definition Amount of value added tax fine and penalties defendable during the reporting period. + References No definition available. + Details
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Namespace Prefix: | lake_
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- Definition Amount of judicial deposit payable subject to next amnesty's arrival. + References No definition available. + Details
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- Definition This element represents the amount of judicial tax claim filed against the company. + References No definition available. + Details
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- Definition This element represents the percentage of judicial tax claim filed against the company. + References No definition available. + Details
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- Definition The total VAT payable during the period. + References No definition available. + Details
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- Details
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- Definition Foreign exchange rate used to translate amounts denominated in functional currency to reporting currency. + References 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 + Details
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- Definition Amount of loss contingency liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349 + Details
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- Definition Sets forth the entity's counsel's opinion as to the likely outcome of the matter, or that no such opinion can as yet be expressed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14557-108349 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 55 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6396582&loc=d3e15259-108350 + Details
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- Definition Amount of other income tax expense (benefit). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Article 4 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32672-109319 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(1)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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