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GOODWILL AND INTANGIBLES (Tables) | 12 Months Ended
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Dec. 31, 2016
Goodwill and Intangible Assets Disclosure [Abstract] |
Changes in the carrying amount of goodwill by reportable segment | The changes in the carrying amount of goodwill by reportable segments for the years ended December 31, 2016 and 2015 were as follows:
|  | Americas Welding |  | International Welding |  | The Harris Products Group |  | Consolidated
Balance as of December 31, 2014 |  | $ | 138,192 |  |  | $ | 28,850 |  |  | $ | 13,085 |  |  | $ | 180,127 |
Additions and adjustments |  | 19,700 |  | 3,846 |  |  | (301 | ) |  | 23,245 |
Impairment charges |  | — |  |  | (6,315 | ) |  | — |  |  | (6,315 | )
Foreign currency translation |  | (5,557) |  | (3,036 | ) |  | (960 | ) |  | (9,553 | )
Balance as of December 31, 2015 |  | 152,335 |  |  | 23,345 |  |  | 11,824 |  |  | 187,504 |
Additions and adjustments |  | 43,217 |  | (30 | ) |  | (301 | ) |  | 42,886 |
Foreign currency translation |  | 826 |  | 349 |  |  | 354 |  |  | 1,529 |
Balance as of December 31, 2016 |  | $ | 196,378 |  |  | $ | 23,664 |  |  | $ | 11,877 |  |  | $ | 231,919 |
Schedule of gross and net intangible assets other than goodwill by asset class | Gross carrying values and accumulated amortization of intangible assets other than goodwill by asset class as of December 31, 2016 and 2015 were as follows:
|  | December 31, 2016 |  | December 31, 2015
|  | Gross Amount |  | Accumulated Amortization |  | Gross Amount |  | Accumulated Amortization
Intangible assets not subject to amortization |  |  |  |  |  |  |  |
Trademarks and trade names |  | $ | 17,113 |  |  |  |  | $ | 15,919 |  |  |
Intangible assets subject to amortization |  |  |  |  |  |  |  |
Trademarks and trade names |  | $ | 44,372 |  |  | $ | 20,648 |  |  | $ | 36,754 |  |  | $ | 18,243 |
Customer relationships |  | 85,816 |  |  | 39,033 |  |  | 77,590 |  |  | 33,932 |
Patents |  | 28,073 |  |  | 11,467 |  |  | 24,208 |  |  | 6,884 |
Other |  | 52,071 |  |  | 26,209 |  |  | 54,586 |  |  | 29,279 |
Total intangible assets subject to amortization |  | $ | 210,332 |  |  | $ | 97,357 |  |  | $ | 193,138 |  |  | $ | 88,338 |
Schedule Of Acquired Indefinite And Definite Lived Intangible Assets By Major Class [Table Text Block] | During 2016, the Company acquired intangible assets, either individually or as part of a group of assets, with an initial purchase price allocation and weighted-average lives as follows:
|  | Year Ended December 31, 2016
|  | Purchase Price Allocation |  | Weighted Average Life
Acquired intangible assets not subject to amortization |  |  |  |
Trademarks and trade names |  | $ | 989 |  |  |
Acquired intangible assets subject to amortization |  |  |  |
Trademarks and trade names |  | 2,400 |  |  | 15
Customer relationships |  | 14,500 |  |  | 10
Patents |  | 1,458 |  |  | 20
Other |  | 5,920 |  |  | 11
Total acquired intangible assets subject to amortization |  | $ | 24,278 |  |  |

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- Definition Tabular disclosure of major classes of indefinite-lived and indefinite-lived intangible assets acquired showing attributes such as amounts and totals. + References No definition available. + Details
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- Definition Tabular disclosure of the carrying value and accumulated amortization of finite-lived and indefinite-lived intangible assets, excluding goodwill, in total and by major class. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of the company. + References No definition available. + Details
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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267 + Details
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