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v2.4.0.8

VAT Tax Issue in Brazil (Details) | 9 Months Ended
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Oct. 31, 2013 USD ($) | Oct. 31, 2013 BRL | Oct. 31, 2013 VAT Claims, One [Member] USD ($) | Oct. 31, 2013 VAT Claims, One [Member] BRL | Oct. 31, 2013 VAT Claims, Two [Member] USD ($) | Oct. 31, 2013 VAT Claims, Two [Member] BRL | Oct. 31, 2013 VAT Claims, Three [Member] USD ($) | Oct. 31, 2013 VAT Claims, Three [Member] BRL | Oct. 31, 2013 VAT Claims, Four [Member] USD ($) | Oct. 31, 2013 VAT Claims, Four [Member] BRL | Oct. 31, 2013 VAT Claims, Five [Member] USD ($) | Oct. 31, 2013 VAT Claims, Five [Member] BRL | Oct. 31, 2013 VAT Claims, Five [Member] After State Amnesty Accepted [Member] USD ($) | Oct. 31, 2013 VAT Claims, Five [Member] After State Amnesty Accepted [Member] BRL
VAT Claims, Principal |  | 7,776,270 |  | 305,897 |  | 573,457 |  | 6,209,836 |  | 402,071 |  | 285,009 |  | 285,009
VAT Claims, Interest |  | 4,814,038 |  | 310,182 |  | 754,401 |  | 3,142,429 |  | 528,891 |  | 78,135 |  | 15,626
VAT Claims, Penalty |  | 4,448,567 |  | 181,089 |  | 344,074 |  | 3,511,156 |  | 241,242 |  | 171,005 |  | 34,200
VAT Claims, Total | $ 7,745,000 | 17,038,875 | $ 362,000 | 797,168 | $ 760,000 | 1,671,932 | $ 5,847,000 | 12,863,422 | $ 533,000 | 1,172,204 | $ 243,000 | 534,149 | $ 152,000 | 334,835
VAT Claims, Loss Possibility |  |  | Remote | Remote | Remote | Remote | Probable | Probable | Remote | Remote | Loss Agreed | Loss Agreed |  |
VAT Claims, Strategy | *After State Amnesty Accepted | *After State Amnesty Accepted | To wait Judicial Process | To wait Judicial Process | To wait Judicial Process | To wait Judicial Process | To wait Judicial Process and offer Judicial Deposit (approx. 3% net sales) | To wait Judicial Process and offer Judicial Deposit (approx. 3% net sales) | To wait Judicial Process | To wait Judicial Process | *Accept State Amnesty (8 installments, approx. BRL 42K) | *Accept State Amnesty (8 installments, approx. BRL 42K) | 8 Installments | 8 Installments
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

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- 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

X
- 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 for value added tax claims. + References No definition available. + Details
Name: | lake_ValueAddedTaxClaimsInterest
Namespace Prefix: | lake_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition This element represents the aggregate amount of penalty for value added tax claims. + References No definition available. + Details
Name: | lake_ValueAddedTaxClaimsPenalty
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