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INVENTORIES: (Tables)

12 Months Ended

Dec. 31, 2014

INVENTORIES:

Schedule of inventories

		As of December 31,
(in millions)		2014			2013
Inventory, current:
Metals at lower of average cost or market:
Finished goods		$	84.6		$	84.2
Work-in-process		450.5			305.4
Supplies at average cost		301.4			304.3
Total current inventory		$	836.5		$	693.9
Inventory, long-term:
Leach stockpiles		$	512.7		$	395.2

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- Definition

Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process current and noncurrent.

+ References

No definition available.

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