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Other Operating Charges, net (Tables) | 12 Months Ended
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Dec. 31, 2020
Operating Expenses [Abstract] |
Schedule of Other Operating Cost and Expense, by Component [Table Text Block] | The major components of “Other operating charges, net” in the Consolidated Statements of Operations for the years ended December 31 are reflected in the table below:
| Years Ended December 31,
(In millions) | 2020 |  | 2019 |  | 2018
Reorganization expenses | $ | 3.4 |  |  | $ | 2.9 |  |  | $ | 8.0 |
Union settlement | 6.6 |  |  | — |  |  | — |
Miscellaneous environmental accruals | 2.5 |  |  | 1.0 |  |  | — |
Directors' equity-based compensation expense (benefit) | 2.9 |  |  | 0.3 |  |  | (2.3) |
Gain on divested assets, net | (1.4) |  |  | — |  |  | (24.0) |
Other | — |  |  | 2.1 |  |  | 0.8 |
| $ | 14.0 |  |  | $ | 6.3 |  |  | $ | (17.5) |

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.3) -URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227 + Details
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