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REVENUE Revenue, Performance Obligation (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Revenue from Contract with Customer [Abstract]        
Cost of goods sold $ 1,692,931 $ 1,741,114 $ 3,285,179 $ 3,319,886