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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Parentheticals) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
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Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Statement of Comprehensive Income [Abstract] |  |  |  |
Unrealized hedging gains (losses) and other, tax | $ 5.5 | $ (3.6) | $ 11.8 | $ (5.5)
Reclassification of deferred hedging (gains) losses and other, included in net income, tax | 2.0 | (0.8) | 1.1 | (0.7)
Total derivative instruments, tax | 7.5 | (4.4) | 12.9 | (6.2)
Unrealized actuarial gains (losses) and prior service (costs) credits, tax | 0.0 | $ 0.0 | $ 0.0 | $ 0.0
Other comprehensive (income) loss, defined benefit plan, after reclassification adjustment, tax | $ (0.6) |  |  |

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