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Contingencies (Tables) | 12 Months Ended
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Dec. 31, 2015
Commitments and Contingencies Disclosure [Abstract] |
Schedule of Loss Contingencies by Contingency [Table Text Block] | LP maintains reserves for various contingent liabilities as follows:
| December 31,
Dollar amounts in millions | 2015 |  | 2014
Environmental reserves | $ | 16.6 |  |  | $ | 13.6 |
Other reserves | 0.2 |  |  | 0.6 |
Total contingencies | 16.8 |  |  | 14.2 |
Current portion | (1.3 | ) |  | (2.0 | )
Long-term portion | $ | 15.5 |  |  | $ | 12.2 |
Schedule of Environmental Loss Contingencies by Site [Table Text Block] | The activity in LP’s reserve for estimated environmental loss contingency reserves for the last three years is summarized in the following table.
| Year ended December 31,
Dollar amounts in millions | 2015 |  | 2014 |  | 2013
Beginning balance | $ | 13.6 |  |  | $ | 14.9 |  |  | $ | 14.1 |
Adjusted to expense (income) during the year | 0.5 |  |  | 1.3 |  |  | 1.3 |
Adjusted to expense (income) through other operating credits and charges, net | 3.2 |  |  | 0.5 |  |  | — |
Payments made | (0.7 | ) |  | (3.1 | ) |  | (0.5 | )
Ending balance | $ | 16.6 |  |  | $ | 13.6 |  |  | $ | 14.9 |

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