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Quarterly report pursuant to Section 13 or 15(d)

Goodwill And Other Intangible Assets And Liabilities (Summary Of Intangible Assets And Liabilities) (Details)

v2.3.0.15
Goodwill And Other Intangible Assets And Liabilities (Summary Of Intangible Assets And Liabilities) (Details) (USD $)
In Millions
Sep. 30, 2011
Dec. 31, 2010
Definite lived intangible assets - Gross Carrying Amount $ 191.6 $ 208.0
Definite lived intangible assets - Accumulated Amortization (42.3) (32.2)
Definite lived intangible assets - Net Carrying Amount 149.3 175.8
Below-market sales contracts - Gross Carrying Amount (329.3) (329.3)
Below-market sales contracts - Accumulated Amortization 148.2 107.8
Below-market sales contracts - Net Carrying Amount (181.1) (221.5)
Noncurrent Liabilities [Member]
 Ìý Ìý
Below-market sales contracts - Gross Carrying Amount (252.3) (252.3)
Below-market sales contracts - Accumulated Amortization 123.9 87.9
Below-market sales contracts - Net Carrying Amount (128.4) (164.4)
Other Current Liabilities [Member]
 Ìý Ìý
Below-market sales contracts - Gross Carrying Amount (77.0) (77.0)
Below-market sales contracts - Accumulated Amortization 24.3 19.9
Below-market sales contracts - Net Carrying Amount (52.7) (57.1)
Utility Contracts [Member]
 Ìý Ìý
Definite lived intangible assets - Gross Carrying Amount 54.7 54.7
Definite lived intangible assets - Accumulated Amortization (18.6) (10.2)
Definite lived intangible assets - Net Carrying Amount 36.1 44.5
Easements [Member]
 Ìý Ìý
Definite lived intangible assets - Gross Carrying Amount Ìý 11.7 [1]
Definite lived intangible assets - Accumulated Amortization Ìý (0.4) [1]
Definite lived intangible assets - Net Carrying Amount Ìý 11.3 [1]
Lease Agreements [Member]
 Ìý Ìý
Definite lived intangible assets - Gross Carrying Amount 5.5 5.2
Definite lived intangible assets - Accumulated Amortization (2.9) (2.9)
Definite lived intangible assets - Net Carrying Amount 2.6 2.3
Unpatented Technology [Member]
 Ìý Ìý
Definite lived intangible assets - Gross Carrying Amount Ìý 4.0 [2]
Definite lived intangible assets - Accumulated Amortization Ìý (2.4) [2]
Definite lived intangible assets - Net Carrying Amount Ìý 1.6 [2]
Permits [Member]
 Ìý Ìý
Definite lived intangible assets - Gross Carrying Amount 131.4 132.4
Definite lived intangible assets - Accumulated Amortization (20.8) (16.3)
Definite lived intangible assets - Net Carrying Amount $ 110.6 $ 116.1
[1] Upon the acquistion of Consolidated Thompson this intangible asset is now eliminated through intercompany eliminations. The easement agreement is between Wabush and Consolidated Thompson.
[2] Upon recording the renewaFUEL operations as discontinued operations, this intangible asset was written down in the resulting impairment charge recorded during the third quarter of 2011.