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Gain (loss) on sales or impairment of long lived assets | 12 Months Ended
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Dec. 31, 2018
GAIN (LOSS) ON SALE OF AND IMPAIRMENT OF LONG-LIVED ASSETS, NET [Abstract] |
Details of Impairment of Long-Lived Assets Held and Used by Asset [Table Text Block] | LOSS) ON SALE OR IMPAIRMENT OF LONG-LIVED ASSETS The major components of “Gain (loss) on sale or impairment of long-lived assets” in the Consolidated Statements of Income for the years ended December 31 are reflected in the table below and are described in the paragraphs following the table:
Dollar amounts in millions | Year ended December 31,
2018 |  | 2017 |  | 2016
Impairment charges on long-lived assets | $ | (10.7 | ) |  | $ | (9.1 | ) |  | $ | (0.8 | )
Gain (loss) on sale or other disposition of other long-lived assets | (0.1 | ) |  | 2.3 |  |  | 9.2 |
| $ | (10.8 | ) |  | $ | (6.8 | ) |  | $ | 8.4 |
2018 During 2018, we recorded a net loss on sale or impairment of long-lived assets of $10.8 million associated with a facility that is no longer used that is anticipated to be sold. 2017 During 2017, we recorded a net loss on sale or impairment of long-lived assets of $6.8 million. This net loss includes the following items:
• | a loss of $4.7 million associated with a facility which was previously held for sale;
• | a loss of $3.0 million associated with manufacturing equipment which is no longer being used; and
• | a gain $2.3 million on the sale of manufacturing facilities no longer used.
2016 During 2016, we recorded a net gain on sale of long-lived assets of $8.4 million. This net loss includes the following items:
• | a loss of $0.8 million related to the impairment on certain manufacturing assets associated with various OSB mills;
• | a gain of $10.6 million related to the exchange of an idled OSB mill; and
• | a loss of $1.4 million related to the disposal of various assets no longer used.

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- Definition GAIN (LOSS) ON SALE OF AND IMPAIRMENT OF LONG-LIVED ASSETS, NET [Abstract] + References No definition available. + Details
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- Definition Tabular disclosure for impairment of long-lived assets held and used by an entity which includes a description of the impaired long-lived asset and facts and circumstances leading to the impairment, aggregate amount of the impairment loss and where the loss is located in the income statement, method(s) for determining fair value, and the segment in which the impaired long-lived asset is reported. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=84176398&loc=d3e2921-110230 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.CC) -URI http://asc.fasb.org/extlink&oid=27011434&loc=d3e125687-122742 + Details
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