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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Parenthetical) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Statement of Comprehensive Income [Abstract]      
Unrealized hedging gains (losses) and other, tax $ 7.8 $ (29.1) $ (17.2)
Reclassification of deferred hedging (gains) losses and other, included in net income, tax [1] (0.6) 31.7 19.1
Total derivative instruments, tax 7.2 2.6 1.9
Unrealized actuarial gains (losses) and prior service (costs) credits, tax [2] 1.2 2.9 (4.3)
Reclassification of net actuarial and other (gain) loss, amortization of prior service costs and settlement charges, included in net income, tax [1] 2.8 2.9 2.4
Total pension and other postretirement benefits, tax $ 4.0 $ 5.8 $ (1.9)
[1] For more detail on the components of these reclassifications and the affected line item on the consolidated statements of income (loss), see Note 15 to the consolidated financial statements included within this Form 10-K for further details.
[2] At December 31 of each year, we remeasure our pension and postretirement plan obligations at which time we record any actuarial gains (losses) and prior service (costs) credits to other comprehensive income. See Note 13 to the consolidated financial statements included within this Form 10-K for further details.