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Financial Instruments, Risk Management and Fair Value Measurements - Narrative (Details) $ in Millions | Mar. 31, 2024 USD ($) MMBTU | Dec. 31, 2023 USD ($)
--- | --- | ---
Derivative [Line Items] |  |
Estimated fair value of debt | $ 4,301.8 | $ 3,988.2
Carrying value of debt | $ 4,335.7 | $ 3,957.6
Designated as Cash Flow Hedges | Energy contracts |  |
Derivative [Line Items] |  |
Nonmonetary notional amount of price risk cash flow hedge (in mmBTUs) | MMBTU | 0 |
Designated as Cash Flow Hedges | Foreign Currency and Energy Contracts |  |
Derivative [Line Items] |  |
Net gains (losses) on cash flow hedges | $ (3.4) |
Not Designated as Hedging Instruments | Foreign exchange contracts |  |
Derivative [Line Items] |  |
Derivative, notional amount | 2,209.5 |
Cash Flow Hedging | Designated as Cash Flow Hedges | Foreign exchange contracts |  |
Derivative [Line Items] |  |
Net gains (losses) on cash flow hedges | (3.4) |
Cash Flow Hedging | Designated as Cash Flow Hedges | Forward Contracts |  |
Derivative [Line Items] |  |
Net gains (losses) on cash flow hedges | 775.7 |
Cash Flow Hedging | Designated as Cash Flow Hedges | Interest rate contracts |  |
Derivative [Line Items] |  |
Net gains (losses) on cash flow hedges | $ (28.2) |

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