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Other (Expense) Income, Net (Tables) | 6 Months Ended
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Jun. 30, 2024
Other Income and Expenses [Abstract] |
Other (Expense) Income, Net | The following table presents the components of Other (expense) income, net (in millions of dollars):
|  | Quarter Ended June 30, |  |  | Six Months Ended June 30, |
|  | 2024 |  |  | 2023 |  |  | 2024 |  |  | 2023 |
Interest income |  | $ | 1.2 |  |  | $ | 0.2 |  |  | $ | 2.1 |  |  | $ | 0.6 |
Net periodic postretirement benefit cost |  |  | (1.5 | ) |  |  | (1.9 | ) |  |  | (1.8 | ) |  |  | (3.9 | )
Unrealized gain on equity securities |  |  | 0.1 |  |  |  | 0.2 |  |  |  | 0.3 |  |  |  | 0.3 |
(Loss) gain on disposition of property, plant and equipment |  |  | (0.3 | ) |  |  | (0.8 | ) |  |  | (0.5 | ) |  |  | 14.2 |
Gain on business interruption insurance recoveries 1 |  |  | — |  |  |  | — |  |  |  | 10.5 |  |  |  | — |
All other, net |  |  | — |  |  |  | (0.2 | ) |  |  | (0.2 | ) |  |  | (0.1 | )
Other (expense) income, net |  | $ | (0.5 | ) |  | $ | (2.5 | ) |  | $ | 10.4 |  |  | $ | 11.1 |
1. Represents advances against business interruption insurance claims received by the Company as of June 30, 2024. We recognize such advances in the period in which the insurance proceeds are received or become realizable.

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- Definition Tabular disclosure of the components of non-operating income or non-operating expense that may include amounts earned from dividends, interest on securities, gains (losses) on securities sold, equity earnings of unconsolidated affiliates, net gain (loss) on sales of business, interest expense and other miscellaneous income or expense items. + References No definition available. + Details
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