XML 96 R36.htm IDEA: XBRL DOCUMENT
v2.4.0.8

BASIS OF PRESENTATION (Details) In Thousands, unless otherwise specified | 6 Months Ended |  |
--- | --- | --- | ---
Jun. 30, 2013 USD ($) | Feb. 13, 2013 VEB | Dec. 31, 2012 USD ($) | Dec. 31, 2012 VEB
Venezuela-Highly Inflationary Economy |  |  |  |
Official exchange rate set by Venezuelan government for non-essential goods after devaluation (in bolivars per U.S. dollar) |  |  |  | 4.3
OfficialBolivarsExchangeRateAfter2013Devaluation |  | 6.3 |  |
Venezuela foreign currency transaction loss | $ 8,081 |  |  |
Effect of liquidation of inventory valued at historical exchange rate after currency devaluation | 4,117 |  |  |
Net bolivar-denominated monetary assets position | $ 18,632 |  | $ 31,545 |

X
- Definition The foreign currency-denominated net asset value. + References No definition available. + Details
Name: | leco_AssetForeignCurrencyDenominatedValue
Namespace Prefix: | leco_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The effect of liquidation of inventory valued at the historical exchange rate on the entity's pretax earnings, after a devaluation of foreign currency. + References No definition available. + Details
Name: | leco_EffectOfLiquidationOfInventoryValuedAtHistoricalExchangeRateAfterCurrencyDevaluation
Namespace Prefix: | leco_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Represents the official bolivars to US Dollars foreign currency exchange rate set by the Venezuelan government for nonessential goods after the devaluation on February 8, 2013. + References No definition available. + Details
Name: | leco_Officialbolivarsexchangerateafter2013Devaluation
Namespace Prefix: | leco_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the official bolivars to US Dollars foreign currency exchange rate set by the Venezuelan government for nonessential goods after devaluation. + References No definition available. + Details
Name: | leco_OfficialBolivarsToUsDollarsExchangeRateSetByVenezuelanGovernmentForNonessentialGoodsAfterDevaluation
Namespace Prefix: | leco_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

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

X
- Definition Amount before tax of foreign currency transaction realized and unrealized loss recognized in the income statement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450189&loc=d3e30690-110894 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450222&loc=d3e30840-110895 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6450189&loc=d3e30700-110894 + Details
Name: | us-gaap_ForeignCurrencyTransactionLossBeforeTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration