Borrowings, Term

No definition available.

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- Definition

Long Term Debt, Interest Rate Margin Reduction

+ References

No definition available.

+ Details

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Namespace Prefix:	gb_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of interest and other costs that an entity incurs in connection with the borrowing of funds that are recognised as an expense.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 112
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_112_c&doctype=Standard
-URIDate 2024-03-27

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of outstanding funds that the entity is obligated to repay.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 55
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_55&doctype=Standard
-URIDate 2024-03-27

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

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.

+ References

No definition available.

+ Details

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- Details

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- Details

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Namespace Prefix:
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Loans and borrowings - Narrative (Details) - EUR (€) € in Thousands		6 Months Ended
	Jun. 05, 2024	Sep. 30, 2024	Mar. 31, 2024
Disclosure of detailed information about borrowings [line items]
Borrowings		€ 561,582	€ 588,867
Senior Security Term Loan
Disclosure of detailed information about borrowings [line items]
Term	7 years
Interest rate margin reduction	1.00%
Borrowing costs recognised as expense		1,600
Senior Security Term Loan \| Gain on Terms Modification
Disclosure of detailed information about borrowings [line items]
Borrowings		€ 27,202	€ 0