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INVENTORIES:

12 Months Ended

Dec. 31, 2016

INVENTORIES:

INVENTORIES:

NOTE 4—INVENTORIES:

		At December 31,
(in millions)		2016			2015
Inventory, current:
Metals at average cost:
Finished goods		$	130.5		$	104.1
Work-in-process			231.6			188.6
Ore stockpiles on leach pads			310.9			243.2
Supplies at average cost			337.4			321.3
​	​	​	​	​	​	​	​
Total current inventory		$	1,010.4		$	857.2
​	​	​	​	​	​	​	​
​	​	​	​	​	​	​	​
Inventory, long-term:
Ore stockpiles on leach pads		$	806.9		$	752.3
​	​	​	​	​	​	​	​
​	​	​	​	​	​	​	​

        Total leaching costs added as long-term inventory of ore stockpiles in leach pads amounted to $439.0 million, $506.9 million and $401.3 million in 2016, 2015 and 2014, respectively. Long-term leaching inventories recognized as cost of sales amounted to $316.6 million, $274.1 million and $177.5 million in 2016, 2015 and 2014, 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/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.6)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6361739&loc=d3e7789-107766

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