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Derivative financial instruments - Schedule of Outstanding Hedges (Details) - EUR (€) € in Thousands | Dec. 31, 2025 | Dec. 31, 2024
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Disclosure Of Detailed Information About Hedging And Trading Derivatives [Line Items] |  |
Derivative financial instruments | € 7,055 | € 1,711
Derivative financial instruments | 4,576 | 15,138
Derivatives |  |
Disclosure Of Detailed Information About Hedging And Trading Derivatives [Line Items] |  |
Notional amount | 917,107 | 838,947
Foreign currency derivatives | Financial Instruments Held For Hedging | Foreign currency exchange risk |  |
Disclosure Of Detailed Information About Hedging And Trading Derivatives [Line Items] |  |
Notional amount | 835,812 | 756,316
Interest rate swaps | Financial Instruments Held For Hedging | Interest rate risk |  |
Disclosure Of Detailed Information About Hedging And Trading Derivatives [Line Items] |  |
Notional amount | 81,295 | 82,631
At fair value |  |
Disclosure Of Detailed Information About Hedging And Trading Derivatives [Line Items] |  |
Derivative financial instruments | 7,055 | 1,711
Derivative financial instruments | (4,576) | (15,138)
At fair value | Foreign currency derivatives | Foreign currency exchange risk |  |
Disclosure Of Detailed Information About Hedging And Trading Derivatives [Line Items] |  |
Derivative financial instruments | 6,993 | 1,596
Derivative financial instruments | (4,315) | (14,699)
At fair value | Interest rate swaps | Interest rate risk |  |
Disclosure Of Detailed Information About Hedging And Trading Derivatives [Line Items] |  |
Derivative financial instruments | 62 | 115
Derivative financial instruments | € (261) | € (439)

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- Definition The nominal or face amount of a financial instrument, used to calculate payments made on that instrument. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Note Expiry date 2027-01-01 -Name IAS -Number 1 -IssueDate 2025-01-01 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_112_c&doctype=Standard -URIDate 2025-03-27 + Details
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