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RATIONALIZATION AND ASSET IMPAIRMENTS (Textual) (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended |  | 12 Months Ended
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Dec. 31, 2012 | Sep. 30, 2012 | Jun. 30, 2012 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2012 North America Welding | Dec. 31, 2011 North America Welding | Dec. 31, 2010 North America Welding | Dec. 31, 2012 Europe Welding 2012 Plan | Jun. 30, 2011 Asia Pacific Welding | Dec. 31, 2012 Asia Pacific Welding | Dec. 31, 2011 Asia Pacific Welding | Dec. 31, 2010 Asia Pacific Welding | Dec. 31, 2012 The Harris Products Group | Dec. 31, 2011 The Harris Products Group | Dec. 31, 2010 The Harris Products Group | Dec. 31, 2012 Plan 2009 | Dec. 31, 2012 Minimum North America Welding | Dec. 31, 2012 Maximum North America Welding | Dec. 31, 2012 Employee Severance | Dec. 31, 2012 Employee Severance North America Welding employee | Dec. 31, 2012 Employee Severance Europe Welding 2012 Plan employee | Dec. 31, 2012 Employee Severance Asia Pacific Welding employee | Dec. 31, 2012 Employee Severance Minimum Europe Welding 2012 Plan | Dec. 31, 2012 Employee Severance Maximum Europe Welding 2012 Plan
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Rationalization and asset impairment charges (gains) | $ 5,037 | $ 3,059 | $ 1,258 | $ 9,354 | $ 282 | $ (384) | $ 827 |  |  |  | $ (75) | $ 3,151 | $ 93 | $ 427 |  |  |  |  |  |  |  |  |  |  |  |
Special items charge |  |  |  | 10,735 | 282 | 2,739 | 827 | 0 | 0 | 3,534 |  | 4,993 | (110) | (3,741) | 0 | 0 | 871 |  |  |  |  |  |  |  |  |
Expected restructuring costs |  |  |  |  |  |  |  |  |  |  |  | 500 |  |  |  |  |  |  | 1,400 | 1,700 |  |  |  |  | 50 | 100
Restructuring charges |  |  |  | 7,615 | 259 |  | 827 |  |  |  |  | 3,151 | 93 |  | 0 | 0 |  |  |  |  |  |  |  |  |  |
Restructuring liability | 3,057 |  |  | 3,057 | 255 | 1,431 | 0 | 0 |  | 1,836 |  | 1,044 | 0 | 90 | 0 | 82 | 930 | 177 |  |  |  |  |  |  |  |
Employee severance and other related costs |  |  |  |  |  |  |  |  |  | 3,637 |  | 3,151 |  |  |  |  |  |  |  |  | 7,615 |  |  |  |  |
Asset impairment charges |  |  |  | 1,842 |  |  |  |  |  |  |  | 1,842 |  | 387 |  |  |  |  |  |  |  |  |  |  |  |
Special items, gain (loss) on the sale of assets at a rationalized operation |  |  |  | $ 103 |  |  |  |  |  | $ 103 |  |  | $ 203 | $ 4,555 |  |  |  |  |  |  |  |  |  |  |  |
Number of employees affected due to rationalization activities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 72 | 285 | 268 |  |

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- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 95-3 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=6394695&loc=d3e140904-122747 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section P -Subsection 3, 4 + Details
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