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SEGMENTS - Narrative (Details)
12 Months Ended
Dec. 31, 2020
segment
business_unit
Dec. 31, 2019
Dec. 31, 2018
Segment Reporting Information [Line Items]      
Number of reportable segments | segment 3    
Five Largest Customers | Sales revenue, net      
Segment Reporting Information [Line Items]      
Concentration risk percentage 21.00% 27.00% 25.00%
Diversified Products      
Segment Reporting Information [Line Items]      
Number of reporting units | business_unit 3