RATIONALIZATION AND ASSET IMPAIRMENTS (Textual) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Restructuring Cost and Reserve [Line Items]
Rationalization and asset impairment charges (gains)	$ 9,827	$ 45,468	$ 15,188
Restructuring Charges	10,881	23,633
Restructuring liability	2,990	13,622	8,202
Other current assets	127,642	100,319
Other Liabilities, Current	231,462	161,331
Americas Welding [Member]
Restructuring Cost and Reserve [Line Items]
Rationalization and asset impairment charges (gains)		26,870	1,716
Restructuring Charges		4,737
Restructuring liability		25
International Welding [Member]
Restructuring Cost and Reserve [Line Items]
Rationalization and asset impairment charges (gains)	9,804	18,598	11,702
Restructuring Charges	10,881	18,896
Restructuring liability	$ 2,990	$ 13,597	8,202
The Harris Products Group
Restructuring Cost and Reserve [Line Items]
Rationalization and asset impairment charges (gains)			$ 1,770