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REVENUE RECOGNITION (Disaggregation of Revenue) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017
Disaggregation of Revenue [Line Items] |  |  |  |
Sales Revenue, Goods, Net | $ 737,099 | $ 669,491 | $ 2,284,847 | $ 1,877,246
Welding Equipment [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales Revenue, Goods, Net | 310,262 |  | 955,079 |
Welding Consumables [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales Revenue, Goods, Net | $ 426,837 |  | $ 1,329,768 |

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- 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=63488584&loc=d3e20235-122688 + Details
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- Details
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