Foreign currency swaps and forwards - derivative financial instruments Fair value (Details) - Foreign currency forwards € in Thousands	Jun. 30, 2026 EUR (€)
Derivative financial instruments
Financial assets	€ 0
Level I
Derivative financial instruments
Financial assets	0
Level II
Derivative financial instruments
Financial assets	0
Level III
Derivative financial instruments
Financial assets	€ 0

The amount of financial assets classified as derivative instruments. [Refer: Financial assets; Derivatives [member]]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Note Expiry date 2027-01-01
-Name IAS
-Number 1
-IssueDate 2025-01-01
-Paragraph 55
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_55&doctype=Standard
-URIDate 2025-03-27

Name:	ifrs-full_DerivativeFinancialAssets
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant