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Financial risk management objectives and policies - Derivatives (Details) |  |  | 1 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Nov. 18, 2024 USD ($) | Apr. 29, 2024 USD ($) | Feb. 28, 2023 USD ($) agreement | May 31, 2022 USD ($) agreement | Dec. 31, 2024 USD ($) | Dec. 31, 2024 EUR (€) | Nov. 18, 2024 EUR (€) | Apr. 29, 2024 EUR (€) | Dec. 31, 2023 EUR (€) shares MMBTU | Dec. 31, 2022 MMBTU
Maximum |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |  |  |  |  |  |  |
Credit support payment threshold | $ |  |  |  |  | $ 1,000 |  |  |  |  |
Minimum |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |  |  |  |  |  |  |
Credit support payment threshold | $ |  |  |  |  | $ 500 |  |  |  |  |
€150,000 Cross Currency Interest Rate, Maturing 2029 | Interest rate risk |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |  |  |  |  |  |  |
Hedging instrument, length of agreement |  | 5 years |  |  |  |  |  |  |  |
Hedging instrument |  | $ 160,820,000 |  |  |  |  |  | € 150,000,000 |  |
Hedging instrument, repayment ratio |  | 107.213% |  |  |  |  |  |  |  |
€150,000 Cross Currency Interest Rate, Maturing 2027 | Interest rate risk | Hedges of net investment in foreign operations |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |  |  |  |  |  |  |
Hedging instrument, length of agreement | 30 months |  |  |  |  |  |  |  |  |
Hedging instrument | $ 158,075,000 |  |  |  |  |  | € 150,000 |  |  |
Hedging instrument, repayment ratio | 105.383% |  |  |  |  |  |  |  |  |
Foreign Exchange Forwards, Fixed Rate Debt | Foreign Currency Exchange Rate Risk | Economic Hedges |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |  |  |  |  |  |  |
Notional amount |  |  |  |  |  | € 32,800 |  |  |  |
Notional value, average exchange rate |  |  |  |  | 1.07092 | 1.07092 |  |  | 1.04531 |
Foreign Exchange Forwards, Fixed Rate Debt | Foreign Currency Exchange Rate Risk | Economic Hedges | Exchange Rate Period One |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |  |  |  |  |  |  |
Notional amount |  |  |  |  |  | € 40,800 |  |  | € 42,000 |
Notional value, exchange rate |  |  |  |  | 1.07945 | 1.07945 |  |  | 1.00344 |
Foreign Exchange Forwards, Fixed Rate Debt | Foreign Currency Exchange Rate Risk | Economic Hedges | Exchange Rate Period Two |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |  |  |  |  |  |  |
Notional amount |  |  |  |  |  | € 30,000 |  |  | € 10,000 |
Notional value, exchange rate |  |  |  |  | 1.07907 | 1.07907 |  |  | 1.00491 |
Foreign Exchange Forwards, Fixed Rate Debt | Foreign Currency Exchange Rate Risk | Economic Hedges | Exchange Rate Period Three |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |  |  |  |  |  |  |
Notional amount |  |  |  |  |  | € 42,000 |  |  | € 40,800 |
Notional value, exchange rate |  |  |  |  | 1.05962 | 1.05962 |  |  | 1.0759 |
Foreign Exchange Forwards, Fixed Rate Debt | Foreign Currency Exchange Rate Risk | Economic Hedges | Exchange Rate Period Four |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |  |  |  |  |  |  |
Notional amount |  |  |  |  |  | € 10,000 |  |  | € 30,000 |
Notional value, exchange rate |  |  |  |  | 1.05918 | 1.05918 |  |  | 1.0758 |
Foreign Exchange Forwards, Variable Rate RCF Debt | Foreign Currency Exchange Rate Risk | Economic Hedges |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |  |  |  |  |  |  |
Notional value, exchange rate |  |  |  |  | 1.04258 | 1.04258 |  |  |  |
Notional value, average exchange rate |  |  |  |  | 1,104.78000 | 1,104.78000 |  |  | 1.08840 |
Foreign Exchange Forwards, Variable Rate RCF Debt | Foreign Currency Exchange Rate Risk | Economic Hedges | Exchange Rate Period One |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |  |  |  |  |  |  |
Notional amount |  |  |  |  |  | € 2,800,000 |  |  | € 16,500 |
Notional value, exchange rate |  |  |  |  |  |  |  |  | 1.09379 |
Foreign Exchange Forwards, Variable Rate RCF Debt | Foreign Currency Exchange Rate Risk | Economic Hedges | Exchange Rate Period Two |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |  |  |  |  |  |  |
Notional amount |  |  |  |  |  |  |  |  | € 20,000 |
Notional value, exchange rate |  |  |  |  | 1.1222 | 1.1222 |  |  | 1.08395 |
Foreign Exchange Forwards, Variable Rate RCF Debt | Foreign Currency Exchange Rate Risk | Economic Hedges | Exchange Rate Period Three |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |  |  |  |  |  |  |
Notional amount |  |  |  |  |  |  |  |  | € 10,000 |
Interest Rate Swaps | Interest rate risk | Economic Hedges |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |  |  |  |  |  |  |
Hedging instrument, length of agreement |  |  | 3 years | 3 years |  |  |  |  |  |
Notional amount | $ |  |  | $ 100,000 | $ 100,000 |  |  |  |  |  |
Number of agreements | agreement |  |  | 2 | 2 |  |  |  |  |  |
Interest Rate Swaps | Interest rate risk | Economic Hedges | Fixed Rate Interest 2.653 Percent |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |  |  |  |  |  |  |
Notional amount | $ |  |  |  | $ 50,000 |  |  |  |  |  |
Fixed interest rate |  |  |  | 2.653% |  |  |  |  |  |
Interest Rate Swaps | Interest rate risk | Economic Hedges | Fixed Rate Interest 2.655 Percent |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |  |  |  |  |  |  |
Notional amount | $ |  |  |  | $ 50,000 |  |  |  |  |  |
Fixed interest rate |  |  |  | 2.655% |  |  |  |  |  |
Interest Rate Swaps | Interest rate risk | Economic Hedges | Fixed Rate Interest 3.976 Percent |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |  |  |  |  |  |  |
Notional amount | $ |  |  | $ 50,000 |  |  |  |  |  |  |
Fixed interest rate |  |  | 3.976% |  |  |  |  |  |  |
Interest Rate Swaps | Interest rate risk | Economic Hedges | Fixed Rate Interest 4.166 Percent |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |  |  |  |  |  |  |
Notional amount | $ |  |  | $ 50,000 |  |  |  |  |  |  |
Fixed interest rate |  |  | 4.166% |  |  |  |  |  |  |
Natural Gas Cash Flow Hedge | Cash flow hedges |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |  |  |  |  |  |  |
Nominal amount of hedging instrument | MMBTU |  |  |  |  |  |  |  |  | 420,000 | 2,970,000
Nominal amount of hedging instrument, outstanding | shares |  |  |  |  |  |  |  |  | 390,000 |

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