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IMPAIRMENT CHARGES, NET OF REVERSAL (Tables)
12 Months Ended
Dec. 31, 2021
Disclosure of impairment of assets [Abstract]  
Disclosure of impairment loss
Years ended December 31,
20212020
Rosebel CGU1
Property, plant and equipment$205.1 $— 
Essakane CGU
Property, plant and equipment— (45.8)
$205.1 $(45.8)
1.The Rosebel CGU consists of Rosebel and the Rosebel royalty payable to Euro Ressources S.A by the Company.