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VAT Tax Issue in Brazil (Details) |  | 9 Months Ended
--- | --- | ---
Oct. 31, 2014 USD ($) | Oct. 31, 2014 BRL | Oct. 31, 2014 VAT Claims, One [Member] USD ($) | Oct. 31, 2014 VAT Claims, One [Member] BRL | Oct. 31, 2014 VAT Claims, Two [Member] USD ($) | Oct. 31, 2014 VAT Claims, Two [Member] BRL | Oct. 31, 2014 VAT Claims, Three [Member] USD ($) | Oct. 31, 2014 VAT Claims, Three [Member] BRL | Oct. 31, 2014 VAT Claims, Four [Member] USD ($) | Oct. 31, 2014 VAT Claims, Four [Member] BRL
Vat Tax Issue In Brazil [Line Items] |  |  |  |  |  |  |  |  |  |
VAT Claims, Principal |  | 7,491,261 |  | 305,897 |  | 573,457 |  | 6,209,836 |  | 402,071
VAT Claims, Interest And Penalty |  | 9,013,464 |  | 491,271 |  | 1,098,475 |  | 6,653,585 |  | 770,133
VAT Claims, Total | $ 7,279,000 | 16,504,725 | $ 352,000 | 797,168 | $ 737,000 | 1,671,932 | $ 5,673,000 | 12,863,421 | $ 517,000 | 1,172,204
VAT Claims, Loss Possibility |  |  | Remote | Remote | Remote | Remote | Probable | Probable | Remote | Remote
VAT Claims, Strategy |  |  | To await Judicial Process and negotiate judicial deposit | To await Judicial Process and negotiate judicial deposit | To await Judicial Process and negotiate judicial deposit | To await Judicial Process and negotiate judicial deposit | To await Judicial Process and negotiate judicial deposit | To await Judicial Process and negotiate judicial deposit | To await Judicial Process and negotiate judicial deposit | To await Judicial Process and negotiate judicial deposit
VAT Claims, Collateral |  |  | New Land | New Land | Plant | Plant | - | - | New Land | New Land

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- Definition This element represents that, the description of assets collateral for value added tax claims. + References No definition available. + Details
Name: | lake_ValueAddedTaxClaimsAssetsCollateral
Namespace Prefix: | lake_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition This element represents that, the description of loss possibility for value added tax claims. + References No definition available. + Details
Name: | lake_ValueAddedTaxClaimsDescriptionOfLossPossibility
Namespace Prefix: | lake_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition This element represents that, the description of strategy for value added tax claims. + References No definition available. + Details
Name: | lake_ValueAddedTaxClaimsDescriptionOfStrategy
Namespace Prefix: | lake_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition This element represents the aggregate amount of interest and penalty for value added tax claims. + References No definition available. + Details
Name: | lake_ValueAddedTaxClaimsInterestAndPenalty
Namespace Prefix: | lake_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition This element represents the aggregate amount of principal for value added tax claims. + References No definition available. + Details
Name: | lake_ValueAddedTaxClaimsPrincipal
Namespace Prefix: | lake_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition This element represents the aggregate amount of value added tax claims. + References No definition available. + Details
Name: | lake_ValueAddedTaxClaimsTotalAmount
Namespace Prefix: | lake_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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