XML 118 R67.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Long-term debt - Financial Covenants (Details) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 USD ($)
Long Term Debt [Line Items] |
Liabilities arising from financing activities at beginning of period | $ 962.6
Borrowings | 0.0
Repayments | (59.8)
Fair Value changes | 219.5
Interest & Accretion | 31.1
Liabilities arising from financing activities at end of period | 1,153.3
Long-term debt |
Long Term Debt [Line Items] |
Liabilities arising from financing activities at beginning of period | 394.9
Borrowings | 0.0
Repayments | 0.0
Fair Value changes | 0.0
Interest & Accretion | 1.1
Liabilities arising from financing activities at end of period | 396.0
Interest payable |
Long Term Debt [Line Items] |
Liabilities arising from financing activities at beginning of period | 14.1
Borrowings | 0.0
Repayments | (30.0)
Fair Value changes | 0.0
Interest & Accretion | 30.0
Liabilities arising from financing activities at end of period | 14.1
Rainy River gold stream obligation |
Long Term Debt [Line Items] |
Liabilities arising from financing activities at beginning of period | 174.7
Borrowings | 0.0
Repayments | (29.8)
Fair Value changes | 55.0
Interest & Accretion | 0.0
Liabilities arising from financing activities at end of period | 199.9
New Afton free cash flow interest obligation |
Long Term Debt [Line Items] |
Liabilities arising from financing activities at beginning of period | 378.9
Borrowings | 0.0
Repayments | 0.0
Fair Value changes | 164.5
Interest & Accretion | 0.0
Liabilities arising from financing activities at end of period | $ 543.4

X
- Definition The increase (decrease) in liabilities arising from financing activities resulting from changes in fair values. [Refer: Liabilities arising from financing activities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2023-01-01 -Paragraph 44B -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2023-en-r&anchor=para_44B_d&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_IncreaseDecreaseThroughChangesInFairValuesLiabilitiesArisingFromFinancingActivities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The increase (decrease) in liabilities arising from financing activities resulting from financing cash flows. [Refer: Cash flows from (used in) financing activities; Liabilities arising from financing activities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2023-01-01 -Paragraph 44B -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2023-en-r&anchor=para_44B_a&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_IncreaseDecreaseThroughFinancingCashFlowsLiabilitiesArisingFromFinancingActivities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of liabilities for which cash flows were, or future cash flows will be, classified in the statement of cash flows as cash flows from financing activities. [Refer: Cash flows from (used in) financing activities; Liabilities] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 7 -IssueDate 2023-01-01 -Paragraph 44D -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2023-en-r&anchor=para_44D&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_LiabilitiesArisingFromFinancingActivities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The increase (decrease) in liabilities arising from financing activities resulting from borrowings. + References No definition available. + Details
Name: | ngd_IncreaseDecreaseThroughChangesInBorrowingsArisingFromFinancingActivities
Namespace Prefix: | ngd_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The interest & accretion on liabilities arising from financing activities + References No definition available. + Details
Name: | ngd_InterestAccretionOnLiabilitiesArisingFromFinancingActivities
Namespace Prefix: | ngd_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Long Term Debt. + References No definition available. + Details
Name: | ngd_LongTermDebtLineItems
Namespace Prefix: | ngd_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis=ifrs-full_LongtermBorrowingsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis=ngd_InterestPayableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis=ngd_RainyRiverGoldStreamObligationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis=ngd_FreeCashFlowInterestObligationNewAftonMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |