XML 29 R37.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Financial Instruments and Risk Management (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2019
Disclosure of detailed information about financial instruments [abstract] |
Disclosure of fair value measurement of assets |
| December 31, 2019 | December 31, 2018
| Level 1 | Level 2 | Level 1 | Level 2
Financial assets (liabilities) |  |  |  |
Fair value through profit or loss |  |  |  |
Gold options | — |  | (0.7 | ) | — |  | (0.1 | )
Fair value through OCI |  |  |  |
Equity securities | 22.8 |  | — |  | 7.8 |  | — |
Currency hedging derivative instruments | — |  | 3.3 |  | — |  | (4.7 | )
Fuel options | — |  | — |  | — |  | (0.5 | )
| $22.8 |  | $2.6 |  | $7.8 |  | ($5.3 | )
Disclosure of fair value measurement of liabilities |
| December 31, 2019 | December 31, 2018
| Level 1 | Level 2 | Level 1 | Level 2
Financial assets (liabilities) |  |  |  |
Fair value through profit or loss |  |  |  |
Gold options | — |  | (0.7 | ) | — |  | (0.1 | )
Fair value through OCI |  |  |  |
Equity securities | 22.8 |  | — |  | 7.8 |  | — |
Currency hedging derivative instruments | — |  | 3.3 |  | — |  | (4.7 | )
Fuel options | — |  | — |  | — |  | (0.5 | )
| $22.8 |  | $2.6 |  | $7.8 |  | ($5.3 | )
Disclosure of detailed information about hedges | The fair value of derivative instruments is as follows:
|  |  | December 31, | December 31,
|  |  | 2019 | 2018
Derivatives designated as hedging instruments |  |  |  |
Currency hedging derivative instruments |  |  | $3.3 |  | ($4.7 | )
Fuel options |  |  | — |  | (0.5 | )
|  |  | $3.3 |  | ($5.2 | )
Derivatives not designated as hedging instruments |  |  |  |
Gold options |  |  | ($0.7 | ) | ($0.1 | )
Disclosure of information about credit exposures designated as measured at fair value through profit or loss |
| December 31, | December 31,
| 2019 | 2018
Balance, beginning of the period | ($1.4 | ) | $6.0 |
Unrealized gain (loss) on currency instruments | 9.6 |  | (5.9 | )
Less: realized gain on CAD currency instruments | — |  | (3.9 | )
Less: realized gain on MXN currency instruments | (1.5 | ) | — |
Deferred income tax related to hedging instrument | (2.1 | ) | 2.4 |
| $4.6 |  | ($1.4 | )
Schedule of Contracts Settled on Monthly Basis | The open contracts, which settle on a monthly basis, are summarized as at December 31, 2019: Canadian dollar contracts
Period Covered | Contract type | Contracts (CAD$ Millions) | Average minimum rate (USD/CAD) | Average maximum rate (USD/CAD)
2020 | Collars | 177.0 | 1.31 | 1.35
Mexican Peso contracts
Period Covered | Contract type | Contracts (MXN Millions) | Average minimum rate (MXN/USD) | Average maximum rate (MXN/USD)
2020 | Collars | 1,005.0 | 19.57 | 22.12
Schedule of Outstanding Derivative Contracts | The following gold collar contracts are outstanding as of December 31, 2019:
Period Covered | Ounces subject to contract | Average purchase put option | Average sold call option
2020 | 70,050 | $1,420 | $1,658
Schedule of Foreign Currency Exchange Rate Risk |
| December 31, 2019 | December 31, 2018
Impact of a 10% change in foreign exchange rates |  |
Canadian dollar | $1.2 |  | $1.4 |
Mexican peso | 1.7 |  | 2.1 |
Disclosure of credit risk exposure | The Company's maximum exposure to credit risk is as follows:
| December 31, 2019 | December 31, 2018
Cash and cash equivalents |  | $182.8 |  |  | $206.0 |
Concentrate receivable | — |  | 2.3 |
Trade receivables | 4.7 |  | 5.7 |
Total financial instrument exposure to credit risk | $187.5 |  | $214.0 |
The currencies of the Company's financial instruments and other foreign currency denominated liabilities based on notional amounts, denominated in U.S dollar equivalents were as follows:
| Canadian Dollars | Mexican Peso
| December 31, 2019 | December 31, 2018 | December 31, 2019 | December 31, 2018
Cash and cash equivalents | $22.5 |  | $26.8 |  | $9.0 |  | $10.8 |
Equity securities | 22.8 |  | 7.8 |  | — |  | — |
Amounts receivable | 10.3 |  | 11.9 |  | 20.9 |  | 21.4 |
Other monetary assets (liabilities) | 33.0 |  | 33.0 |  | 3.7 |  | 5.9 |
Accounts payable and accrued liabilities | (76.9 | ) | (69.1 | ) | (18.0 | ) | (16.8 | )
Total exposure to currency risk | 11.7 |  | 10.4 |  | 15.6 |  | 21.3 |
Schedule of Maturities of Debt | The following table shows the contractual maturities of debt commitments. The amount presented represents the future undiscounted principal and interest cash flows, and therefore, do not equate to the carrying amounts on the consolidated statements of financial position.
| Less than 1 year | 2 - 3 years | 4 - 5 years | More than 5 years | Total
Operating and financing leases | 1.2 |  | 0.7 |  | 0.7 |  | 0.6 |  | 3.2 |
Accounts payable and accrued liabilities | 127.3 |  | — |  | — |  | — |  | 127.3 |
Decommissioning liability | 2.0 |  | 2.1 |  | — |  | 62.0 |  | 66.1 |
Contract mining | 24.8 |  | 50.6 |  | 3.5 |  | — |  | 78.9 |
Capital commitments | 44.0 |  | — |  | — |  | — |  | 44.0 |
| $199.3 |  | $53.4 |  | $4.2 |  | $62.6 |  | $319.5 |

X
- Definition Contractual Obligation, Fiscal Year Maturity Schedule [Table Text Block] + References No definition available. + Details
Name: | agi_ContractualObligationFiscalYearMaturitySchedule1TableTextBlock
Namespace Prefix: | agi_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule of Contracts Settled on Monthly Basis [Table Text Block] + References No definition available. + Details
Name: | agi_ScheduleofContractsSettledonMonthlyBasisTableTextBlock
Namespace Prefix: | agi_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule of Outstanding Derivative Contracts [Table Text Block] + References No definition available. + Details
Name: | agi_ScheduleofOutstandingDerivativeContractsTableTextBlock
Namespace Prefix: | agi_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition The disclosure of the credit risk exposure. Credit risk exposure is the credit risk inherent in an entity’s financial assets and commitments to extend credit. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2019-01-01 -Paragraph 35M -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2019-en-r&anchor=para_35M&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_DisclosureOfCreditRiskExposureExplanatory
Namespace Prefix: | ifrs-full_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition The disclosure of detailed information about hedges. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2021-01-01 -Name IFRS -Number 7 -IssueDate 2019-01-01 -Paragraph 22 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_22&doctype=Standard&book=b -URIDate 2019-03-27 + Details
Name: | ifrs-full_DisclosureOfDetailedInformationAboutHedgesExplanatory
Namespace Prefix: | ifrs-full_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition The disclosure of the fair value measurement of assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2019-01-01 -Paragraph 93 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2019-en-r&anchor=para_93&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_DisclosureOfFairValueMeasurementOfAssetsExplanatory
Namespace Prefix: | ifrs-full_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition The disclosure of the fair value measurement of liabilities. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2019-01-01 -Paragraph 93 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2019-en-r&anchor=para_93&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesExplanatory
Namespace Prefix: | ifrs-full_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | ifrs-full_DisclosureOfFinancialInstrumentsAbstract
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The disclosure of information about credit exposures designated as measured at fair value through profit or loss. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2019-01-01 -Paragraph 24G -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2019-en-r&anchor=para_24G&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_DisclosureOfInformationAboutCreditExposuresDesignatedAsMeasuredAtFairValueThroughProfitOrLossExplanatory
Namespace Prefix: | ifrs-full_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition The disclosure of the sensitivity analysis for types of market risk to which the entity is exposed, showing how profit or loss and equity would have been affected by changes in the relevant risk variable that were reasonably possible at that date. [Refer: Market risk [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2019-01-01 -Paragraph 40 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2019-en-r&anchor=para_40_a&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk
Namespace Prefix: | ifrs-full_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration