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Other income, net (Tables) | 12 Months Ended
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Dec. 31, 2023
Other income, net |
Schedule of Components of Other Income | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Years ended December 31,
​ |  | 2021 |  | 2022 |  | 2023
​ | ​ | (In millions)
Interest income and other: |  | ​ |  |  | ​ |  |  | ​ |
Interest and dividends |  | $ | 4.0 |  | $ | 10.9 |  | $ | 21.0
Securities transactions, net | ​ | ​ | — | ​ | ​ | (.5) | ​ | ​ | .3
Total | ​ | ​ | 4.0 | ​ | ​ | 10.4 | ​ |  | 21.3
Infrastructure reimbursement | ​ |  | 15.3 | ​ |  | 16.0 | ​ |  | 25.5
Currency transactions, net | ​ | ​ | 1.6 | ​ | ​ | 11.5 | ​ | ​ | 1.4
Insurance recoveries | ​ | ​ | .1 | ​ | ​ | 2.8 | ​ | ​ | 3.0
Gain on land sales | ​ | ​ | 16.0 | ​ | ​ | — | ​ | ​ | 1.5
Other, net | ​ | ​ | 2.0 | ​ | ​ | 3.0 | ​ | ​ | 2.7
Total | ​ | $ | 39.0 | ​ | $ | 43.7 | ​ | $ | 55.4

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