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Other Operating Credits and Charges, Net (Tables) | 9 Months Ended
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Sep. 30, 2011
Other Operating Credits And Charges, Net [Abstract] |
Other Operating Credits and Charges Net [Table Text Block] | The major components of “Other operating credits and charges, net” in the Consolidated Statements of Income for the quarter and nine month periods ended September 30, 2011 and 2010 are reflected in the table below and are described in the paragraphs following the table:
| Quarter Ended September 30, |  | Nine Months Ended September 30,
Dollar amounts in millions | 2011 |  | 2010 |  | 2011 |  | 2010
Severance | $ | (0.4 | ) |  | $ | — |  |  | $ | (0.4 | ) |  | $ | — |
Construction related legal reserves | (0.5 | ) |  | — |  |  | (0.5 | ) |  | (0.6 | )
Addition to environmental reserves | — |  |  | — |  |  | (0.9 | ) |  | — |
Reduction to product related contingency reserves | 10.7 |  |  | — |  |  | 10.7 |  |  | — |
Timber related reserves | — |  |  | — |  |  | 1.5 |  |  | — |
Settlement of legal claim | — |  |  | (2.2 | ) |  | 0.8 |  |  | (2.3 | )
Other | — |  |  | (0.1 | ) |  | — |  |  | 0.1 |
| $ | 9.8 |  |  | $ | (2.3 | ) |  | $ | 11.2 |  |  | $ | (2.8 | )

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- Definition Other Operating Credits and Charges Net [Table Text Block] + Details
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