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Qualitative and quantitative information on financial risks - Summary of Groups Financial Liabilities into Relevant Maturity Groupings (Detail) - EUR (€) € in Thousands	Dec. 31, 2025	Dec. 31, 2024
Disclosure of financial liabilities [line items]
Financial liabilities	€ 1,414,231	€ 1,506,609
Derivative financial instruments
Disclosure of financial liabilities [line items]
Financial liabilities	4,576	15,138
Trade payables and customer advances
Disclosure of financial liabilities [line items]
Financial liabilities	326,245	309,771
Liquidity risk
Disclosure of financial liabilities [line items]
Financial liabilities	1,414,231	1,506,609
Total contractual cash flows	1,529,485	1,610,075
Liquidity risk | Within 1 year
Disclosure of financial liabilities [line items]
Financial liabilities	586,943	676,095
Liquidity risk | Between 1 and 2 years
Disclosure of financial liabilities [line items]
Financial liabilities	246,091	221,342
Liquidity risk | Between 2 and 3 years
Disclosure of financial liabilities [line items]
Financial liabilities	183,194	216,335
Liquidity risk | Beyond 3 years
Disclosure of financial liabilities [line items]
Financial liabilities	513,257	496,303
Liquidity risk | Derivative financial instruments
Disclosure of financial liabilities [line items]
Financial liabilities	4,576	15,138
Total contractual cash flows	4,576	15,138
Liquidity risk | Derivative financial instruments | Within 1 year
Disclosure of financial liabilities [line items]
Financial liabilities	4,315	14,699
Liquidity risk | Derivative financial instruments | Between 1 and 2 years
Disclosure of financial liabilities [line items]
Financial liabilities	261	0
Liquidity risk | Derivative financial instruments | Between 2 and 3 years
Disclosure of financial liabilities [line items]
Financial liabilities	0	439
Liquidity risk | Derivative financial instruments | Beyond 3 years
Disclosure of financial liabilities [line items]
Financial liabilities	0	0
Liquidity risk | Trade payables and customer advances
Disclosure of financial liabilities [line items]
Financial liabilities	326,245	309,771
Total contractual cash flows	326,245	309,771
Liquidity risk | Trade payables and customer advances | Within 1 year
Disclosure of financial liabilities [line items]
Financial liabilities	326,245	309,771
Liquidity risk | Trade payables and customer advances | Between 1 and 2 years
Disclosure of financial liabilities [line items]
Financial liabilities	0	0
Liquidity risk | Trade payables and customer advances | Between 2 and 3 years
Disclosure of financial liabilities [line items]
Financial liabilities	0	0
Liquidity risk | Trade payables and customer advances | Beyond 3 years
Disclosure of financial liabilities [line items]
Financial liabilities	0	0
Liquidity risk | Borrowings
Disclosure of financial liabilities [line items]
Financial liabilities	246,189	373,567
Total contractual cash flows	256,796	389,473
Liquidity risk | Borrowings | Within 1 year
Disclosure of financial liabilities [line items]
Financial liabilities	89,717	186,029
Liquidity risk | Borrowings | Between 1 and 2 years
Disclosure of financial liabilities [line items]
Financial liabilities	102,005	88,347
Liquidity risk | Borrowings | Between 2 and 3 years
Disclosure of financial liabilities [line items]
Financial liabilities	60,305	101,273
Liquidity risk | Borrowings | Beyond 3 years
Disclosure of financial liabilities [line items]
Financial liabilities	4,769	13,824
Liquidity risk | Lease liabilities
Disclosure of financial liabilities [line items]
Financial liabilities	731,589	661,685
Total contractual cash flows	836,236	749,246
Liquidity risk | Lease liabilities | Within 1 year
Disclosure of financial liabilities [line items]
Financial liabilities	166,666	165,596
Liquidity risk | Lease liabilities | Between 1 and 2 years
Disclosure of financial liabilities [line items]
Financial liabilities	143,825	132,995
Liquidity risk | Lease liabilities | Between 2 and 3 years
Disclosure of financial liabilities [line items]
Financial liabilities	122,889	114,623
Liquidity risk | Lease liabilities | Beyond 3 years
Disclosure of financial liabilities [line items]
Financial liabilities	402,856	336,032
Liquidity risk | Other current and non-current financial liabilities
Disclosure of financial liabilities [line items]
Financial liabilities	105,632	146,448
Total contractual cash flows	105,632	146,447
Liquidity risk | Other current and non-current financial liabilities | Within 1 year
Disclosure of financial liabilities [line items]
Financial liabilities	0	0
Liquidity risk | Other current and non-current financial liabilities | Between 1 and 2 years
Disclosure of financial liabilities [line items]
Financial liabilities	0	0
Liquidity risk | Other current and non-current financial liabilities | Between 2 and 3 years
Disclosure of financial liabilities [line items]
Financial liabilities	0	0
Liquidity risk | Other current and non-current financial liabilities | Beyond 3 years
Disclosure of financial liabilities [line items]
Financial liabilities	€ 105,632	€ 146,447

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Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

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The amount of liabilities that are: (a) a contractual obligation: (i) to deliver cash or another financial asset to another entity; or (ii) to exchange financial assets or financial liabilities with another entity under conditions that are potentially unfavourable to the entity; or (b) a contract that will, or may be, settled in the entity’s own equity instruments and is: (i) a non-derivative for which the entity is, or may be, obliged to deliver a variable number of the entity’s own equity instruments; or (ii) a derivative that will, or may be, settled other than by the exchange of a fixed amount of cash or another financial asset for a fixed number of the entity’s own equity instruments. For this purpose, rights, options or warrants to acquire a fixed number of the entity’s own equity instruments for a fixed amount of any currency are equity instruments if the entity offers the rights, options or warrants pro rata to all of its existing owners of the same class of its own non-derivative equity instruments. Also, for those purposes the entity’s own equity instruments do not include puttable financial instruments that are classified as equity instruments in accordance with paragraphs 16A-16B of IAS 32, instruments that impose on the entity an obligation to deliver to another party a pro rata share of the net assets of the entity only on liquidation and are classified as equity instruments in accordance with paragraphs 16C-16D of IAS 32, or instruments that are contracts for the future receipt or delivery of the entity’s own equity instruments. As an exception, an instrument that meets the definition of a financial liability is classified as an equity instrument if it has all the features and meets the conditions in paragraphs 16A-16B or paragraphs 16C-16D of IAS 32. [Refer: Classes of financial instruments [domain]; Financial assets; Derivatives [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-IssueDate 2025-01-01
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-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_25&doctype=Standard
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