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Non-operating Income (Expense) (Notes) | 12 Months Ended
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Dec. 31, 2016
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 non-operating expense of $39.1 million, $32.1 million and $27.4 million for the years ended December 31, 2016, 2015 and 2014. This income (expense) is comprised of the following components:
| Year ended December 31,
Dollar amounts in millions | 2016 |  | 2015 |  | 2014
Interest expense | $ | (32.9 | ) |  | $ | (32.0 | ) |  | $ | (29.9 | )
Amortization of debt charges | (1.1 | ) |  | (1.1 | ) |  | (1.2 | )
Capitalized interest | 1.9 |  |  | 1.9 |  |  | 1.3 |
Interest expense, net of capitalized interest | (32.1 | ) |  | (31.2 | ) |  | (29.8 | )
Investment income | 8.0 |  |  | 4.9 |  |  | 5.5 |
SERP market adjustments | 0.2 |  |  | (0.5 | ) |  | — |
Investment income | 8.2 |  |  | 4.4 |  |  | 5.5 |
Foreign currency losses | 2.1 |  |  | (5.3 | ) |  | (3.1 | )
Early debt extinguishment | (17.3 | ) |  | — |  |  | — |
Other non-operating income (expense) | (15.2 | ) |  | (5.3 | ) |  | (3.1 | )
Total non-operating income (expense) | $ | (39.1 | ) |  | $ | (32.1 | ) |  | $ | (27.4 | )

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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 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=63488584&loc=d3e20235-122688 + Details
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