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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Parenthetical) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Statement of Comprehensive Income [Abstract]        
Cash Flow Hedges, Tax $ (4.1) $ (12.3) $ (6.8) $ (8.0)
Amortization of Pension and OPEB Deferred Costs, Tax $ 0.1 $ (0.1) $ 0.2 $ (0.3)