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Other (expense), net | 12 Months Ended
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Dec. 31, 2021
Other Income and Expenses [Abstract] |
Other (expense), net | Other (expense), net Other (expense), net is comprised of the following:
Year ended December 31, |  | 2021 |  | 2020 |  | 2019
Postretirement expense* |  | $ | (548.6) |  |  | $ | (235.9) |  |  | $ | (93.3) |
Debt extinguishment charge |  | — |  |  | (28.5) |  |  | (20.1) |
Foreign exchange losses** |  | (2.5) |  |  | (36.2) |  |  | (10.4) |
Environmental costs and other, net |  | (29.2) |  |  | (29.0) |  |  | (12.6) |
Total other (expense), net |  | $ | (580.3) |  |  | $ | (329.6) |  |  | $ | (136.4) |
*Includes $499.4 million of settlement losses in 2021 related to the company’s defined benefit pension plans and $142.1 million settlement loss in 2020 related to the U.S. defined benefit pension plans. See Note 18, “Employee plans.” **Includes charges of $4.0 million and $32.3 million, respectively, in 2021 and 2020 for net foreign currency losses related to substantial completion of liquidation of foreign subsidiaries.

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- Definition The entire disclosure for the components of non-operating income or non-operating expense, including, but not limited to, amounts earned from dividends, interest on securities, gain (loss) on securities sold, equity earnings of unconsolidated affiliates, gain (loss) on sales of business, interest expense and other miscellaneous income or expense items. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(7)) -URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(9)) -URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227 + Details
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