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 ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Segment Reporting Information [Line Items]        
Revenues from producet sales and services, percent 100.00% 100.00% 100.00% 100.00%
Revenues from product sales and services $ 698.4 $ 553.3 $ 1,729.3 $ 1,355.0
Sales margin 160.2 85.4 401.0 207.8
Other operating expense (30.5) (50.7) (74.8) (98.7)
Other income (expense) (116.7) (66.9) (266.2) 8.3
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest 13.0 (32.2) 60.0 117.4
Net Income (Loss) 52.9 (27.8) 53.2 118.5
Interest expense, net (28.9) (48.7) (103.1) (156.2)
Income Tax Expense (Benefit) (7.6) (7.1) (6.8) (1.7)
Depreciation, depletion and amortization 21.5 26.8 66.3 88.9
EBITDA 95.7 40.6 215.8 361.9
Gain (loss) on extinguishment/restructuring of debt (88.6) (18.3) (165.4) 164.1
Adjusted EBITDA 154.4 61.9 383.6 199.7
Property, Plant and Equipment, Additions 27.1 26.4 79.6 44.5
Payments To Acquire Property Plant And Equipment Net     78.9 45.8
Capital Expenditures Incurred but Not yet Paid     0.7 (1.3)
Foreign Currency Transaction Gain (Loss), before Tax (2.4) (0.3) 11.2 (1.2)
INCOME (LOSS) FROM DISCONTINUED OPERATIONS, NET OF TAX $ 32.3 $ (2.7) $ (13.6) $ (0.6)
U.S. Iron Ore [Member]        
Segment Reporting Information [Line Items]        
Revenues from producet sales and services, percent 85.00% 77.00% 78.00% 72.00%
Revenues from product sales and services $ 596.7 $ 428.3 $ 1,354.2 $ 975.5
Sales margin 157.2 66.5 349.8 149.7
Depreciation, depletion and amortization 16.5 18.8 49.6 65.1
EBITDA 168.9 61.1 381.8 196.6
Adjusted EBITDA 174.2 65.3 399.8 208.6
Property, Plant and Equipment, Additions $ 19.2 $ 25.8 $ 70.9 $ 39.5
Asia Pacific Iron Ore [Member]        
Segment Reporting Information [Line Items]        
Revenues from producet sales and services, percent 15.00% 23.00% 22.00% 28.00%
Revenues from product sales and services $ 101.7 $ 125.0 $ 375.1 $ 379.5
Sales margin 3.0 18.9 51.2 58.1
Depreciation, depletion and amortization 3.3 6.3 11.3 19.2
EBITDA 2.3 21.2 54.9 69.6
Adjusted EBITDA 4.9 23.7 61.7 73.2
Property, Plant and Equipment, Additions 0.8 0.2 1.6 0.2
All Other Segments [Member]        
Segment Reporting Information [Line Items]        
Depreciation, depletion and amortization 1.7 1.7 5.4 4.6
EBITDA (75.5) (41.7) (220.9) 95.7
Adjusted EBITDA (24.7) (27.1) (77.9) (82.1)
Property, Plant and Equipment, Additions 7.1 0.4 7.1 4.8
EBITDA Calculation [Member]        
Segment Reporting Information [Line Items]        
Depreciation, depletion and amortization 21.5 26.8 66.3 88.9
Adjusted EBITDA Calculation [Member]        
Segment Reporting Information [Line Items]        
Severance and contractor termination costs $ 0.0 $ 0.0 $ 0.0 $ (0.1)