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IMPAIRMENT
12 Months Ended
Dec. 31, 2021
IMPAIRMENT  
IMPAIRMENT

24.IMPAIRMENT

Goodwill impairment tests

Canadian Malartic Joint Operation

The estimated recoverable amount of the Canadian Malartic joint operation CGU as at December 31, 2021 and 2020 was determined on the basis of fair value less costs to dispose of the Canadian Malartic mine. The estimated recoverable amount of the Canadian Malartic mine was calculated by discounting the estimated future net cash flows over the estimated life of the mine, consisting of both open pit and underground operations, using a nominal discount rate of 6.00% (2020 - 6.40%). The recoverable amount calculation was based on an estimate of future production levels applying short-term gold prices of $1,600 to $1,800 per ounce and long-term gold prices of $1,600 per ounce (in real terms) (2020 - short-term gold prices of $1,800 to $1,900 and long term gold prices of $1,500), foreign exchange rates of US$0.79:C$1.00 (2020 - US$0.78: C$1.00), an inflation rate of 2.0% (2020 - 2.0%), and capital, operating and reclamation costs based on applicable life of mine plans. Certain mineralization was valued by a cashflow extension approach where the mineralization is expected to have sufficiently similar economics to the mineralization of the Canadian Malartic mine.

At December 31, 2021 and 2020, the Canadian Malartic joint operation segment estimated recoverable amount exceeded its carrying amount. The discounted cash flow approach uses significant unobservable inputs and is therefore considered Level 3 fair value measurement under the fair value hierarchy.

CMC Exploration Assets

As a result of the acquisition of the additional 50.0% of the CMC Exploration Assets on March 28, 2018, the Company separated the CMC Exploration Assets from the Canadian Malartic joint operation into a distinct goodwill test performed for the Exploration segment as at December 31, 2021 and 2020. The estimated recoverable amount of the CMC Exploration Assets CGU was calculated by reference to comparable market transactions or by discounting the estimated future net cash flows over the estimated life of the mine using a nominal discount rate of 7.90% (2020 – 8.10%). The recoverable amount calculation was based on an estimate of future production levels applying gold prices of $1,600 per ounce (in real terms) (2020 - $1,500), foreign exchange rates of US$0.79:C$1.00 (2020- US$0.78:C$1.00), an inflation rate of 2.0% (2020 - 2.0%), and capital, operating and reclamation costs based on applicable life of mine plans. At December 31, 2021 and 2020, the CMC Exploration Assets CGU estimated recoverable amount exceeded its carrying amount.

Key Assumptions

The determination of the recoverable amount within level 3 of the fair value hierarchy, includes the following key applicable assumptions:

Discount rates were based on each asset group's weighted average cost of capital, of which the two main components are the cost of equity and the after-tax cost of debt. Cost of equity was calculated based on the capital asset pricing model, incorporating the risk-free rate of return based on local government marketable bond yields as at the valuation date, the Company's beta coefficient adjustment to the market equity risk premium based on the volatility of the Company's return in relation to that of a comparable market portfolio, plus a size premium and Company-specific risk factor. Cost of debt was determined by applying an appropriate market indication of the Company's borrowing capabilities and the corporate income tax rate applicable to each asset group's jurisdiction;
Gold price estimates were determined using forecasts of future prices prepared by industry analysts, which were available as at or close to the valuation date;
Foreign exchange estimates are based on a combination of currency forward curves and estimates that reflect the outlooks of major global financial institutions;
Estimated production levels, and future operating and capital costs are based on detailed life of mine plans and also take into account management's expected development plans; and
Estimates of the fair value attributable to mineralization in excess of life of mine plans are based on various assumptions, including determination of the appropriate valuation method for mineralization and ascribing anticipated economics to mineralization in cases where only limited economic study has been completed.