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Inventory (Tables)
12 Months Ended
Dec. 31, 2021
Disclosure of inventories [Abstract]  
Schedule of Inventory
December 31, 2021December 31, 2020
In-process precious metals
$116.2 $72.7 
Ore in stockpiles
25.4 30.8 
Parts and supplies
61.0 53.0 
Dore, and refined precious metals7.0 9.9 
209.6 166.4 
Less: Long-term inventory
(10.6)(17.9)
$199.0 $148.5