v3.20.4
PROPERTY, PLANT AND EQUIPMENT Narrative (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Property, Plant and Equipment [Abstract]      
Capitalized interest costs $ 4.9 $ 8.9 $ 7.8
Depreciation and amortization expense for property, plant and equipment $ 228.8 $ 226.0 $ 243.5