XML 108 R49.htm IDEA: XBRL DOCUMENT
v2.4.1.9

ACQUISITIONS (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Acquisitions |  |  |  |  |  |  |  |  |  |  |
Annual sales at the date of acquisition | $ 683,954 us-gaap_SalesRevenueGoodsNet | $ 715,777 us-gaap_SalesRevenueGoodsNet | $ 728,531 us-gaap_SalesRevenueGoodsNet | $ 685,062 us-gaap_SalesRevenueGoodsNet | $ 714,791 us-gaap_SalesRevenueGoodsNet | $ 691,875 us-gaap_SalesRevenueGoodsNet | $ 727,432 us-gaap_SalesRevenueGoodsNet | $ 718,573 us-gaap_SalesRevenueGoodsNet | $ 2,813,324 us-gaap_SalesRevenueGoodsNet | $ 2,852,671 us-gaap_SalesRevenueGoodsNet | $ 2,853,367 us-gaap_SalesRevenueGoodsNet
Annual Acquisitions [Member] |  |  |  |  |  |  |  |  |  |  |
Acquisitions |  |  |  |  |  |  |  |  |  |  |
Annual sales at the date of acquisition |  |  |  |  |  |  |  |  | $ 30,000 us-gaap_SalesRevenueGoodsNet / us-gaap_BusinessAcquisitionAxis = leco_AnnualAcquisitionsMember | $ 35,000 us-gaap_SalesRevenueGoodsNet / us-gaap_BusinessAcquisitionAxis = leco_AnnualAcquisitionsMember | $ 161,000 us-gaap_SalesRevenueGoodsNet / us-gaap_BusinessAcquisitionAxis = leco_AnnualAcquisitionsMember

X
- Details
Name: | us-gaap_BusinessAcquisitionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, allowances and discounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1(a)) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 + Details
Name: | us-gaap_SalesRevenueGoodsNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=leco_AnnualAcquisitionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |