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Other Income, Net - Schedule of Components of Other Income (Detail) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Securities earnings: |  |  |  |
Dividends and interest |  |  | $ 2.8 | $ 3.8
Securities transactions, net |  |  | 0.1 | (0.3)
Total | $ 0.9 | $ 0.9 | 2.9 | 3.5
Currency transactions, net |  |  | 1.2 | 3.2
Insurance recoveries |  |  |  | 1.6
Infrastructure reimbursement |  |  | 6.2 | 19.6
Gain on land and related sales |  |  | 16.0 | 4.5
Other, net |  |  | 1.6 | 1.5
Total | $ 13.1 | $ 2.6 | $ 27.9 | $ 33.9

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