REVENUE RECOGNITION (Disaggregation of Revenue) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Disaggregation of Revenue [Line Items]
Net sales (Note 2)	$ 935,240	$ 806,454	$ 2,830,277	$ 2,389,929
Welding Consumables
Disaggregation of Revenue [Line Items]
Net sales (Note 2)	547,596	465,829	1,655,613	1,375,567
Welding Equipment
Disaggregation of Revenue [Line Items]
Net sales (Note 2)	$ 387,644	$ 340,625	$ 1,174,664	$ 1,014,362