Quarterly report pursuant to Section 13 or 15(d)

SEGMENT REPORTING (Schedule Of Segment Reporting Information, By Segment) (Details)

v3.8.0.1
SEGMENT REPORTING (Schedule Of Segment Reporting Information, By Segment) (Details) - USD ($)
 3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Segment Reporting Information [Line Items]    
Impairment Charges $ (18,900,000) $ 0
Impairment of Long-Lived Assets Held-for-use $ (2,600,000) $ 0
Revenues from producet sales and services, percent 100.00% 100.00%
Revenues $ 239,000,000 $ 461,600,000
Sales margin (3,600,000) 96,300,000
Other operating expense (36,400,000) (16,200,000)
Other expense (29,100,000) (112,200,000)
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest (69,100,000) (32,100,000)
Net Loss (84,300,000) (29,800,000)
Interest expense, net (33,500,000) (42,800,000)
Income Tax Expense (Benefit) 15,700,000 (1,800,000)
Depreciation, depletion and amortization 23,900,000 23,200,000
EBITDA (11,200,000) 34,400,000
Severance Costs 1,500,000 0
Loss on extinguishment of debt 0 (71,900,000)
Adjusted EBITDA 11,600,000 92,200,000
Property, Plant and Equipment, Additions 78,900,000 27,300,000
Payments To Acquire Property Plant And Equipment Net 71,400,000 27,900,000
Capital Expenditures Incurred but Not yet Paid 7,500,000 600,000
Foreign Currency Transaction Gain (Loss), before Tax (300,000) 13,600,000
INCOME FROM DISCONTINUED OPERATIONS, NET OF TAX $ 500,000 $ 500,000
U.S. Iron Ore [Member]    
Segment Reporting Information [Line Items]    
Revenues from producet sales and services, percent 75.00% 62.00%
Revenues $ 180,000,000 $ 286,200,000
Sales margin 61,500,000 49,000,000
Depreciation, depletion and amortization 15,800,000 16,400,000
EBITDA 72,500,000 57,900,000
Adjusted EBITDA 77,100,000 64,100,000
Property, Plant and Equipment, Additions $ 18,700,000 $ 27,100,000
Asia Pacific Iron Ore [Member]    
Segment Reporting Information [Line Items]    
Revenues from producet sales and services, percent 25.00% 38.00%
Revenues $ 59,000,000 $ 175,400,000
Sales margin (65,100,000) 47,300,000
Depreciation, depletion and amortization 6,700,000 4,700,000
EBITDA (63,700,000) 51,400,000
Adjusted EBITDA (39,600,000) 53,800,000
Property, Plant and Equipment, Additions 0 200,000
All Other Segments [Member]    
Segment Reporting Information [Line Items]    
Depreciation, depletion and amortization 1,400,000 2,100,000
EBITDA (20,000,000) (74,900,000)
Adjusted EBITDA (25,900,000) (25,700,000)
Property, Plant and Equipment, Additions 60,200,000 0
EBITDA Calculation [Member]    
Segment Reporting Information [Line Items]    
Depreciation, depletion and amortization $ 23,900,000 $ 23,200,000