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Non-operating Income (Expense) (Notes) | 12 Months Ended
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Dec. 31, 2012
Nonoperating Income (Expense) [Abstract] |
Other Income and Other Expense Disclosure [Text Block] | NON-OPERATING INCOME (EXPENSE) Included in LP’s Consolidated Statements of Income is a non-operating expense of $69.4 million, $44.0 million and $40.3 million for the years ended December 31, 2012, 2011 and 2010. This expense is comprised of the following components:
| Year ended December 31,
Dollar amounts in millions | 2012 |  | 2011 |  | 2010
Interest expense | $ | (48.0 | ) |  | $ | (54.4 | ) |  | $ | (60.8 | )
Amortization of debt charges | (1.5 | ) |  | (2.6 | ) |  | (3.1 | )
Capitalized interest | 0.2 |  |  | 0.1 |  |  | — |
Interest expense, net of capitalized interest | (49.3 | ) |  | (56.9 | ) |  | (63.9 | )
Investment income | 13.0 |  |  | 13.3 |  |  | 18.0 |
Realized gains from the sales of investments | — |  |  | 15.2 |  |  | 19.0 |
SERP market adjustments | 1.8 |  |  | 0.2 |  |  | 1.4 |
Investment income | 14.8 |  |  | 28.7 |  |  | 38.4 |
Other than temporary impairment | — |  |  | (14.8 | ) |  | (17.0 | )
Foreign currency gains (losses) | (2.7 | ) |  | (1.0 | ) |  | 2.2 |
Gain on settlement of litigation related to ARS | 20.0 |  |  | — |  |  | — |
Early debt extinguishment | (52.2 | ) |  | — |  |  | — |
Other non-operating expense | (34.9 | ) |  | (1.0 | ) |  | 2.2 |
Total non-operating expense | $ | (69.4 | ) |  | $ | (44.0 | ) |  | $ | (40.3 | )
For the year ended December 31, 2012, LP recognized a gain of $20.0 million from the settlement of its ARS litigation with Deutsche Bank Securities, Inc. For the year ended December 31, 2011 , LP recorded an impairment charge of $14.8 million associated with an equity investment in a joint venture to reduce the carrying value of this investment to it estimated fair value. See Note 3 for further discussion of this impairment and Note 8 for discussion of the investment. For the year ended December 31, 2010, LP recorded an impairment charge of $17.0 million associated with the anticipated sale of an equity investment in a joint venture to reduce the carrying value of this investment to it estimated fair value. See Note 3 for further discussion of this impairment and Note 8 for discussion of the investment.

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- Definition The entire disclosure for other income or other expense items (both operating and nonoperating). Sources of nonoperating income or nonoperating expense that may be disclosed, include amounts earned from dividends, interest on securities, profits (losses) on securities, net and miscellaneous other income or income deductions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 5 -Section 03 -Paragraph 3, 6, 7, 9 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.3,6,7,9) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 + Details
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