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UNAUDITED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Parenthetical) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Statement of Stockholders' Equity [Abstract]    
Gain (loss) related to pension and post-retirement benefit plans $ (5.0) $ (3.6)
Share of equity method investment’s comprehensive losses from continuing operations $ 1.0 $ (0.6)