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Other Income (Expense), Net | 3 Months Ended
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Mar. 31, 2018
Other Income And Expenses [Abstract] |
Other Income (Expense), Net |
6. | Other Income (Expense), Net
The components of other income (expense), net, were as follows (dollars in millions):
|  | Three Months Ended |
|  | March 31, |
|  | 2018 |  |  | 2017 |
Asset disposals and write-offs |  | $ | (5.1 | ) |  | $ | (2.3 | )
Wallula mill restructuring (a) |  |  | (0.7 | ) |  |  | — |
Facilities closure, integration-related, and other costs (b) |  |  | (0.1 | ) |  |  | (0.8 | )
DeRidder mill incident (c) |  |  | — |  |  |  | (5.0 | )
Hexacomb working capital adjustment (d) |  |  | — |  |  |  | 2.3 |
Other |  |  | (2.4 | ) |  |  | (1.2 | )
Total |  | $ | (8.3 | ) |  | $ | (7.0 | )
(a) | Includes charges related to our determination to discontinue production of uncoated free sheet and coated one-side grades at the Wallula, Washington mill in the second quarter of 2018 and convert the No. 3 paper machine to a high-performance 100% virgin kraft linerboard machine.
(b) | For 2018, includes charges consisting of closure costs related to corrugated products facilities. For 2017, includes charges consisting of closure costs related to corrugated products facilities, integration costs related to the TimBar Corporation and Columbus Container Inc. acquisitions, and costs related to a lump sum settlement payment of a multiemployer pension plan for one of our corrugated products facilities.
(c) | Includes costs for the property damage and business interruption insurance deductible corresponding to the February 2017 explosion at our DeRidder, Louisiana mill.
(d) | Includes income related to a working capital adjustment from the April 2015 sale of our Hexacomb corrugated manufacturing operations in Europe and Mexico.

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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 720 -URI http://asc.fasb.org/topic&trid=2122503 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 610 -URI http://asc.fasb.org/topic&trid=49130413 + Details
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