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Financial Instruments, Risk Management and Fair Value Measurements - Narrative (Details) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2023 USD ($) MMBTU | Sep. 30, 2022 USD ($) | Sep. 30, 2023 USD ($) MMBTU | Sep. 30, 2022 USD ($) | Dec. 31, 2022 USD ($)
Derivative [Line Items] |  |  |  |  |  |
Estimated fair value of debt |  | $ 3,937.6 |  | $ 3,937.6 |  | $ 3,118.6
Carrying value of debt |  | 4,115.7 |  | 4,115.7 |  | $ 3,274.0
Gain on settlement of cash flow hedge | [1] | (22.6) | $ (12.0) | (44.4) | $ (20.4) |
Designated as Cash Flow Hedges |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |
Gain on settlement of cash flow hedge |  | (22.6) | (12.0) | (44.4) | (20.4) |
Designated as Cash Flow Hedges | Foreign exchange contracts |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |
Gain on settlement of cash flow hedge |  | (22.2) | (11.2) | (42.7) | (18.0) |
Designated as Cash Flow Hedges | Interest rate contracts |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |
Gain on settlement of cash flow hedge |  | $ (0.4) | $ (0.8) | $ (1.7) | $ (2.4) |
Designated as Cash Flow Hedges | Energy contracts |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |
Nonmonetary notional amount of price risk cash flow hedge (in mmBTUs) | MMBTU |  | 0 |  | 0 |  |
Designated as Cash Flow Hedges | Foreign Currency and Energy Contracts |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |
Net gains (losses) on cash flow hedges |  | $ (24.0) |  | $ (24.0) |  |
Not Designated as Hedging Instruments | Foreign exchange contracts |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |
Derivative, notional amount |  | 1,931.1 |  | 1,931.1 |  |
Cash Flow Hedging | Designated as Cash Flow Hedges | Foreign exchange contracts |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |
Net gains (losses) on cash flow hedges |  | (23.1) |  | (23.1) |  |
Cash Flow Hedging | Designated as Cash Flow Hedges | Interest rate contracts |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |
Net gains (losses) on cash flow hedges |  | (28.9) |  | (28.9) |  |
Gain on settlement of cash flow hedge |  |  |  | 29.7 |  |
Cash Flow Hedging | Designated as Cash Flow Hedges | Forward Contracts |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |
Net gains (losses) on cash flow hedges |  | $ 1,069.4 |  | $ 1,069.4 |  |
[1] | For more detail on the components of these reclassifications and the affected line item in the condensed consolidated statements of income (loss) see Note 14.

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