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Consolidated Statements of Comprehensive Income (Parentheticals) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Statement of Other Comprehensive Income [Abstract] |  |  |
Tax expense (benefit) on pension and OPEB adjustments arising during the period | $ 0.1 | $ (0.2) | $ (1.3)

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