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VAT TAX ISSUE IN BRAZIL (Details 1) In Millions, unless otherwise specified | 1 Months Ended | 12 Months Ended
--- | --- | ---
Oct. 31, 2010 USD ($) | Oct. 31, 2010 BRL | Jan. 31, 2014 BRL | Jan. 31, 2013 USD ($) | Jan. 31, 2014 Original Claim 2004-2006 [Member] BRL | Jan. 31, 2013 Original Claim 2004-2006 [Member] USD ($) | Jan. 31, 2014 Preacquisition 2007-April 2008 [Member] BRL | Jan. 31, 2013 Preacquisition 2007-April 2008 [Member] USD ($) | Jan. 31, 2014 Postacquisition May 2008-April 2009 [Member] BRL | Jan. 31, 2013 Postacquisition May 2008-April 2009 [Member] USD ($) | Jan. 31, 2014 Escrow released from one seller [Member] BRL | Jan. 31, 2013 Escrow released from one seller [Member] USD ($) | Jan. 31, 2014 Charged to expense at April 30, 2010 [Member] BRL | Jan. 31, 2013 Charged to expense at April 30, 2010 [Member] USD ($)
Vat Tax Issue In Brazil [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Paid Or To Be Paid Into Government Under Amnesty Program |  |  | 9.2 |  | $ 5.0 |  | 3.5 |  | $ 1.9 |  | 2.4 |  | $ 1.3 |  | 3.3 |  | $ 1.8 |  | 1.0 |  | $ 0.5 |  | 0 |  | $ 0 |
Total Not Available For Credit |  |  | 3.8 | [1] | 2.1 | [1] | 1.4 | [1] | 0.8 | [1] | 1.0 | [1] | 0.5 | [1] | 1.4 | [1] | 0.8 | [1] | 1.0 | [1] | 0.5 | [1] | 2.8 | [1] | 1.6 | [1]
Available For Credit | $ 1.4 | 3.4 | 5.4 | [2] | $ 2.9 | [2] | 2.1 | [2] | $ 1.1 | [2] | 1.4 | [2] | $ 0.8 | [2] | 1.9 | [2] | $ 1.0 | [2] | 0 | [2] | $ 0 | [2] | 0 | [2] | $ 0 | [2]
[1] | Essentially represents the discount originally offered as incentive by the neighboring state.
[2] | The amount allowed as credit against future payments represents the VAT taxes actually previously paid to the neighboring state.

X
- Definition Amount of value added tax available for credit. + References No definition available. + Details
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Namespace Prefix: | lake_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Amount of value added tax not available for credit. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Amount of value added tax paid or to be paid under government amnesty program during the period. + References No definition available. + Details
Name: | lake_ValueAddedTaxPaidOrPayableToGovernmentUnderAmnestyProgram
Namespace Prefix: | lake_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Details
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Namespace Prefix: | lake_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration