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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

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