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Other income, net - Schedule of Components of Other Income (Detail) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Interest income and other: |  |  |
Interest and dividends | $ 21.0 | $ 10.9 | $ 4.0
Securities transactions, net | 0.3 | (0.5) |
Total | 21.3 | 10.4 | 4.0
Infrastructure reimbursement | 25.5 | 16.0 | 15.3
Currency transactions, net | 1.4 | 11.5 | 1.6
Insurance recoveries | 3.0 | 2.8 | 0.1
Gain on land sales | 1.5 |  | 16.0
Other, net | 2.7 | 3.0 | 2.0
Total | $ 55.4 | $ 43.7 | $ 39.0

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