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Other Expense, Net (Tables) | 12 Months Ended
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Dec. 31, 2023
Other Income and Expenses [Abstract] |
Components of Other Income (Expense), Net | The components of other income (expense), net, were as follows (dollars in millions):
|  | Year Ended December 31, |
|  | 2023 |  |  | 2022 |  |  | 2021 |
Asset disposals and write-offs |  | $ | (31.7 | ) |  | $ | (44.5 | ) |  | $ | (38.9 | )
Jackson mill conversion-related activities (a) |  |  | (1.8 | ) |  |  | (6.9 | ) |  |  | (8.9 | )
Facilities closure and other (costs) income (b) |  |  | (7.9 | ) |  |  | 0.1 |  |  |  | 6.5 |
Acquisition and integration-related activities (c) |  |  | — |  |  |  | — |  |  |  | (0.6 | )
Other |  |  | (1.5 | ) |  |  | (10.0 | ) |  |  | (12.9 | )
Total |  | $ | (42.9 | ) |  | $ | (61.3 | ) |  | $ | (54.8 | )
(a) Includes charges related to the announced discontinuation of production of uncoated freesheet paper grades on the No. 3 machine at the Jackson, Alabama mill in the first quarter of 2021 associated with the permanent conversion of the machine to produce linerboard and other paper-to-containerboard conversion related activities. (b) For 2023, includes charges consisting of closure costs related to corrugated products facilities and design centers, partially offset by a gain on sale of a corrugated products facility. For 2022, includes income primarily related to insurance proceeds received for a natural disaster at one of the corrugated products facilities and a gain on sale of assets related to a corrugated products facility, partially offset by closure costs related to corrugated products facilities. For 2021, includes income primarily consisting of an adjustment of the required asset retirement obligation related to the 2020 closure of the San Lorenzo, California facility, a gain on sale of transportation assets and corrugated products facilities, and insurance proceeds received for a natural disaster at one of the corrugated products facilities, partially offset by closure costs related to corrugated products facilities. (c) Includes charges related to the December 2021 Advance Packaging Corporation acquisition.

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- Definition Tabular disclosure of each detailed component of other operating costs and expenses that are applicable to sales and revenues, but not included in the cost of sales in the income statement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2 + Details
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