​

​

At June 30, 

​

At December 31, 

​

(in millions)

  ​ ​ ​

2026

  ​ ​ ​

2025

​

Inventory, current:

​

​

​

​

​

​

​

Metals at average cost:

​

​

​

​

​

​

​

Finished goods

​

$

61.4

​

$

68.3

​

Work-in-process

​

330.9

​

327.9

​

Ore stockpiles on leach pads  

​

​

248.9

​

​

238.6

​

Supplies at average cost

​

419.7

​

423.3

​

Total current inventory

​

$

1,060.9

​

$

1,058.1

​

Inventory, long-term:

​

​

​

​

​

​

​

Ore stockpiles on leach pads

​

$

1,064.9

​

$

1,114.5

​