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REVENUE RECOGNITION (Disaggregation of Revenue) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Disaggregation of Revenue [Line Items]
Net sales (Note 2)	$ 969,589	$ 826,454	$ 1,895,037	$ 1,583,475
Welding Consumables [Member]
Disaggregation of Revenue [Line Items]
Net sales (Note 2)	568,855	475,559	1,108,017	909,738
Welding Equipment [Member]
Disaggregation of Revenue [Line Items]
Net sales (Note 2)	$ 400,734	$ 350,895	$ 787,020	$ 673,737

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