XML 32 R43.htm IDEA: XBRL DOCUMENT
v3.20.1

DERIVATIVE INSTRUMENTS (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2019
Derivative instruments [Line Items] |
Schedule of derivative assets and derivative liabilities |
|  | As at |  | As at
|  | December 31 |  | December 31
(in millions of U.S. dollars) |  | 2019 |  | 2018
DERIVATIVE ASSETS |  |  |  |
Unsettled provisionally priced concentrate derivatives, and swap contracts(2) |  | 0.2 |  | —
Copper price option contracts |  | — |  | 0.7
Total derivative assets |  | 0.2 |  | 0.7
DERIVATIVE LIABILITIES |  |  |  |
Unsettled provisionally priced concentrate derivatives, and swap contracts(2) |  | — |  | 0.7
Gold price option contracts(1) |  | 26.4 |  | 4.8
Total derivative liabilities |  | 26.4 |  | 5.5
| 1. |  | As at December 31, 2019, gold price option contracts are included within trade and other payables in the statement of financial position. As at December 31, 2018, copper price option contracts are included within prepaids and other in the statement of financial position and gold price option contracts are included within trade and other payables in the statement of financial position.
| 2. |  | Unsettled provisionally priced concentrate derivatives are included within trade and other receivables in the statement of financial position.
Schedule of realised and unrealised gains (losses) on provisionally priced sales | The following tables summarize the realized and unrealized gains (losses) on provisionally priced sales:
|  | Year ended December 31, 2019
(in millions of U.S. dollars) |  | Gold |  | Copper |  | Total
GAIN (LOSS) ON THE PROVISIONAL PRICING OF CONCENTRATE SALES |  |  |  |  |  |
Realized |  | 2.2 |  | (1.7) |  | 0.5
Unrealized |  | 0.5 |  | 1.0 |  | 1.5
Total gain (loss) |  | 2.7 |  | (0.7) |  | 2.0
|  | Year ended December 31, 2018
(in millions of U.S. dollars) |  | Gold |  | Copper |  | Total
GAIN (LOSS) ON THE PROVISIONAL PRICING OF CONCENTRATE SALES |  |  |  |  |  |
Realized |  | (1.2) |  | (7.7) |  | (8.9)
Unrealized |  | 1.1 |  | (2.7) |  | (1.6)
Total (loss) gain |  | (0.1) |  | (10.4) |  | (10.5)
Schedule of realised and unrealised gains (losses) on gold and copper swap contracts | The following tables summarize the realized and unrealized gains (losses) on gold and copper swap contracts:
|  | Year ended December 31, 2019
(in millions of U.S. dollars) |  | Gold |  | Copper |  | Total
(LOSS) GAIN ON SWAP CONTRACTS |  |  |  |  |  |
Realized |  | (3.2) |  | 0.2 |  | (3.0)
Unrealized |  | (0.4) |  | (0.9) |  | (1.3)
Total (loss) gain |  | (3.6) |  | (0.7) |  | (4.3)
|  | Year ended December 31, 2018
(in millions of U.S. dollars) |  | Gold |  | Copper |  | Total
(LOSS) GAIN ON SWAP CONTRACTS |  |  |  |  |  |
Realized |  | 1.3 |  | 11.3 |  | 12.6
Unrealized |  | (0.8) |  | 1.7 |  | 0.9
Total gain (loss) |  | 0.5 |  | 13.0 |  | 13.5
Schedule of impact of movements in market commodity prices | The following table summarizes the net exposure to the impact of movements in market commodity prices for provisionally priced sales:
|  | As at December 31 |  | As at December 31
|  | 2019 |  | 2018
VOLUMES SUBJECT TO FINAL PRICING NET OF OUTSTANDING SWAPS |  |  |  |
Gold ounces (000s) |  | 0.9 |  | 0.8
Copper pounds (millions) |  | 0.5 |  | 1.6
Gold |
Derivative instruments [Line Items] |
Schedule of remaining contracts of metal option |
|  | Quantity |  |  |  | Exercise price |  | Fair value - asset
|  | outstanding |  | Remaining term |  | ($/oz) |  | (liability) (1)
GOLD PRICE OPTION CONTRACTS OUTSTANDING |  |  |  |  |  |  |  |
Gold call contracts - sold |  | 72,000 | oz | January 2020 – June 2020 |  | 1,355 |  | (12.6)
Gold call contracts - sold |  | 96,000 | oz | July 2020 – December 2020 |  | 1,415 |  | (14.1)
Gold put contracts - purchased |  | 168,000 | oz | January 2020 – December 2020 |  | 1,300 |  | 0.3
| 1. |  | The Company presents the fair value of its put and call options on a net basis on the consolidated statements of financial position. The Company has a legally enforceable right to set off the amounts under its option contracts and intends to settle on a net basis.

X
- Definition Derivative instruments. + References No definition available. + Details
Name: | ngd_DerivativeInstrumentsLineItems
Namespace Prefix: | ngd_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The disclosure of detailed information about derivative assets and derivative liabilities. + References No definition available. + Details
Name: | ngd_DetailedInformationAboutDerivativeAssetsAndDerivativeLiabilitiesTextBlock
Namespace Prefix: | ngd_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition The disclosure of detailed information about the realised and unrealised gain (losses) on provisionally priced sales. + References No definition available. + Details
Name: | ngd_DetailedInformationAboutRealisedAndUnrealisedGainLossesOnProvisionallyPricedSalesTextBlock
Namespace Prefix: | ngd_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition The disclosure of detailed information about the realised and unrealised gains (losses) on gold and copper swap contracts. + References No definition available. + Details
Name: | ngd_DetailedInformationAboutRealisedAndUnrealisedGainsLossesOnGoldAndCopperSwapContractsTextBlock
Namespace Prefix: | ngd_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition The detailed information about the remaining contracts of metal option. + References No definition available. + Details
Name: | ngd_DetailedInformationAboutRemainingContractsOfMetalOptionTextBlock
Namespace Prefix: | ngd_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition The detailed information about the net exposure to the impact of movements in market commodity prices for provisionally priced sales. + References No definition available. + Details
Name: | ngd_Ngd_detailedinformationaboutnetexposuretoimpactofmovementsinmarketcommoditypricesforprovisionallypricedsalestextblock
Namespace Prefix: | ngd_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_ClassesOfFinancialAssetsAxis=ngd_Gold1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |