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Asset Retirement Obligation (Tables) | 12 Months Ended
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Dec. 31, 2012
ASSET RETIREMENT OBLIGATIONS [Abstract] |
Schedule of Change in Asset Retirement Obligation [Table Text Block] | The activity in LP’s asset retirement obligation liability for 2012 and 2011 is summarized in the following table. These are included in “Other long-term liabilities” in the Consolidated Balance Sheets.
Dollar amounts in millions | Year ended December 31,
2012 |  | 2011
Beginning balance | $ | 7.4 |  |  | $ | 7.0 |
Accretion expense | 0.8 |  |  | 0.4 |
Accrued to expense during the year | 0.5 |  |  | 0.4 |
Payments made | (0.4 | ) |  | (0.4 | )
Ending balance | $ | 8.3 |  |  | $ | 7.4 |

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- Definition Tabular disclosure of the changes in carrying amount of a liability for asset retirement obligations, for changes such as new obligations, changes in estimates of existing obligations, spending on existing obligations, property dispositions, and foreign currency translation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 410 -SubTopic 30 -Publisher FASB -Number -Article -Subparagraph -Name Accounting Standards Codification -Paragraph 5 -Section 50 -URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13201-110859 + Details
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