Quarterly report pursuant to Section 13 or 15(d)

SEGMENT REPORTING - Results by Segment (Details)

v3.20.2
SEGMENT REPORTING - Results by Segment (Details)
T in Thousands, $ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2020
USD ($)
T
Sep. 30, 2019
USD ($)
T
Sep. 30, 2020
USD ($)
unit
T
Sep. 30, 2019
USD ($)
T
Segment Reporting Information [Line Items]        
Number of Reporting Units | unit     2  
Revenues $ 1,646.0 $ 555.6 $ 3,097.8 [1] $ 1,455.8
Adjusted EBITDA 126.3 144.1 67.0 413.7
Realization of deferred revenue $ 0.0 $ 0.0 $ 34.6 $ 0.0
Steel and Manufacturing [Member]        
Segment Reporting Information [Line Items]        
Sales Volume (Net Tons) | T 1,117 0 1,935 0
Revenues $ 1,261.7 $ 0.0 $ 2,194.3 $ 0.0
Adjusted EBITDA $ 33.3 $ (2.1) $ (81.8) $ (4.0)
Mining and Pelletizing [Member]        
Segment Reporting Information [Line Items]        
Sales Volume (Long Tons) | T 3,703 5,404 8,772 13,143
Revenues $ 384.3 $ 555.6 $ 903.5 $ 1,455.8
Adjusted EBITDA 145.3 182.7 309.5 510.7
Corporate and Other [Member]        
Segment Reporting Information [Line Items]        
Adjusted EBITDA $ (52.3) $ (36.5) $ (160.7) $ (93.0)
Operating Segments [Member] | Mining and Pelletizing [Member]        
Segment Reporting Information [Line Items]        
Sales Volume (Long Tons) | T 4,907 5,750 11,800 13,527
Revenues [1] $ 520.3 $ 590.6 $ 1,238.7 $ 1,494.8
Intersegment Eliminations [Member] | Mining and Pelletizing [Member]        
Segment Reporting Information [Line Items]        
Sales Volume (Long Tons) | T (1,204) (346) (3,028) (384)
Revenues $ (136.0) $ (35.0) $ (335.2) $ (39.0)
[1] 1 Includes Realization of deferred revenue of $34.6 million for the nine months ended September 30, 2020.