XML 118 R59.htm IDEA: XBRL DOCUMENT v3.25.0.1

Long-term debt - Schedule of borrowings (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Non-current portion of non-current borrowings, by type [abstract]
Total long-term debt	$ 397.0	$ 396.0
Senior unsecured notes - due July 15, 2027
Non-current portion of non-current borrowings, by type [abstract]
Total long-term debt	397.0	396.0
Credit facility
Non-current portion of non-current borrowings, by type [abstract]
Total long-term debt	$ 0.0	$ 0.0

X

- Definition

The non-current portion of non-current borrowings. [Refer: Borrowings]

+ 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

X

- References

No definition available.

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	ifrs-full_BorrowingsByNameAxis=ngd_TwoThousandTwentySevenUnsecuredNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_BorrowingsByNameAxis=ngd_CreditFacilitiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: