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v3.23.2

Other (Expense) Income, Net (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Other Income and Expenses [Abstract] |  |  |  |
Interest income | $ 0.2 | $ 0.2 | $ 0.6 | $ 0.2
Net periodic postretirement benefit cost | (1.9) | (1.5) | (3.9) | (2.9)
Unrealized gain (loss) on equity securities | 0.2 | (0.7) | 0.3 | (1.1)
(Loss) gain on disposition of property, plant and equipment | (0.8) |  | 14.2 | (2.1)
All other, net | (0.2) | (1.7) | (0.1) | (1.5)
Other (expense) income, net | $ (2.5) | $ (3.7) | $ 11.1 | $ (5.3)

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