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Investments
 12 Months Ended
Dec. 31, 2020
Financial Instruments [Abstract]  
Investments Investments
As at
December 31
As at
December 31
(in millions of U.S. dollars)20202019
INVESTMENTS


Marketable equity securities(1)
44.5 — 
Other 0.9 0.5 
Total investments45.4 0.5 
1.Included in marketable equity securities is the Company's investment in Artemis Gold Inc. ("Artemis"). Until November 2021, the Company requires Artemis' consent in order to transfer or dispose of the investment.