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v3.23.2

Accumulated Other Comprehensive Income (Loss) - Schedule of Reclassifications Out of Accumulated Other Comprehensive Income (Loss) Included in Computation of Net Periodic Pension and Postretirement Benefit Cost (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Prior Service Costs |  |  |  |
Reclassification out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Total before tax | $ 0.2 | $ 0.2 | $ 0.3 | $ 0.4
Actuarial Losses |  |  |  |
Reclassification out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Total before tax | (0.7) | 0.3 | (1.3) | 0.6
Employee Pension and Postretirement Benefits, Net of Tax |  |  |  |
Reclassification out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Total before tax | (0.5) | 0.5 | (1.0) | 1.0
Tax expense (benefit) | 0.1 | (0.1) | 0.2 | (0.2)
Net of tax | $ (0.4) | $ 0.4 | $ (0.8) | $ 0.8

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