​

​

At March 31, 

​

At December 31, 

​

(in millions)

2025

2024

​

Inventory, current:

​

​

​

​

​

​

​

Metals at average cost:

​

​

​

​

​

​

​

Finished goods

​

$

62.4

​

$

55.9

​

Work-in-process

​

251.7

​

343.8

​

Ore stockpiles on leach pads  

​

​

231.0

​

​

217.2

​

Supplies at average cost

​

421.1

​

431.9

​

Total current inventory

​

$

966.1

​

$

1,048.9

​

Inventory, long-term:

​

​

​

​

​

​

​

Ore stockpiles on leach pads

​

$

1,143.3

​

$

1,145.8

​