RATIONALIZATION AND ASSET IMPAIRMENTS Summary of Activity Related to Rationalization Liabilities by Segment (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Dec. 31, 2015
Rationalization and Asset Impairments
Restructuring Reserve	$ 6,411	$ 7,665
Payments and other adjustments	(1,254)
Business Exit Costs	0
Americas Welding
Rationalization and Asset Impairments
Restructuring Reserve	0	67
Payments and other adjustments	(67)
Business Exit Costs	0
International Welding
Rationalization and Asset Impairments
Restructuring Reserve	6,411	$ 7,598
Payments and other adjustments	(1,187)
Business Exit Costs	$ 0