XML 84 R54.htm IDEA: XBRL DOCUMENT v3.22.1
CONSOLIDATED FINANCIAL STATEMENT DETAILS - Inventories (Details) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Inventories:    
Ore in stockpiles $ 250.7 $ 277.4
Ore on leach pads 589.1 498.8
In-process 111.4 108.0
Finished metal 64.0 50.3
Materials and supplies 459.9 448.2
Inventories, subtotal 1,475.1 1,382.7
Long-term portion of ore in stockpiles and ore on leach pads (323.8) (309.8)
Total inventories $ 1,151.3 $ 1,072.9