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Other Income, Net (Tables) | 12 Months Ended
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Dec. 31, 2020
Other Income And Expenses [Abstract] |
Schedule of Components of Other Income |
| Years ended December 31, |
| 2018 |  |  | 2019 |  |  | 2020 |
| (In millions) |
Securities earnings: |  |  |  |  |  |  |  |  |  |  |
Dividends and interest | $ | 26.1 |  |  | $ | 10.9 |  |  | $ | 4.8 |
Securities transactions, net |  | 12.4 |  |  |  | .3 |  |  |  | (.1 | )
Total |  | 38.5 |  |  |  | 11.2 |  |  |  | 4.7 |
Gain on land sales |  | 12.5 |  |  |  | 4.4 |  |  |  | 4.5 |
Gain on sale of business |  | - |  |  |  | 3.0 |  |  |  | - |
Insurance recoveries |  | 1.3 |  |  |  | 7.7 |  |  |  | 1.6 |
Currency transactions, net |  | 10.1 |  |  |  | 2.0 |  |  |  | (4.0 | )
Disposal of property and equipment, net |  | (.3 | ) |  |  | (.3 | ) |  |  | (.2 | )
Infrastructure reimbursements |  | 4.3 |  |  |  | 9.2 |  |  |  | 19.7 |
Other, net |  | 2.8 |  |  |  | 3.7 |  |  |  | 2.1 |
Total | $ | 69.2 |  |  | $ | 40.9 |  |  | $ | 28.4 |

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