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INVENTORIES:

9 Months Ended

Sep. 30, 2025

INVENTORIES:

INVENTORIES:

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NOTE 3 — INVENTORIES:

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Inventories were as follows:

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​	​	​	​	​	​	​	​
​	​	At September 30,		​	At December 31,		​
(in millions)		2025			2024		​
Inventory, current:	​	​	​	​	​	​	​
Metals at average cost:	​	​	​	​	​	​	​
Finished goods	​	$	59.9	​	$	55.9	​
Work-in-process	​		321.5	​		343.8	​
Ore stockpiles on leach pads	​	​	228.0	​	​	217.2	​
Supplies at average cost	​		421.9	​		431.9	​
Total current inventory	​	$	1,031.3	​	$	1,048.9	​
Inventory, long-term:	​	​	​	​	​	​	​
Ore stockpiles on leach pads	​	$	1,148.3	​	$	1,145.8	​

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During the nine-month periods ended September 30, 2025 and 2024, total leaching costs capitalized as non-current inventory of ore stockpiles on leach pads amounted to $186.7 million and $189.8 million, respectively. Leaching inventories recognized in cost of sales amounted to $173.5 million and $174.1 million for the nine months ended September 30, 2025 and 2024, respectively.

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- References

No definition available.

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- Definition

The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 330
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org/330/tableOfContent

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