DERIVATIVE INSTRUMENTS: (Tables)

12 Months Ended

Dec. 31, 2013

Schedule of the copper derivative activity related to copper sales transactions

	2012		2011
Zero cost collar contracts:
Pounds (in millions)	46.3		423.3
Average LME cap price	$	5.18	$	3.63
Average LME floor price	$	3.50	$	2.27

Swap contracts:
Pounds (in millions)	—		390.8
Weighted average COMEX price	—		$	3.46

Realized gain (loss) on copper derivatives	—		$	13.5

- Definition

Tabular disclosure of the location and amount of gains and losses reported in the statement of financial performance, or when applicable, the statement of financial position. For example, (a) gains and losses recognized in the income statement on derivative instruments designated and qualifying as hedging instruments in fair value hedges and related hedged items designated and qualifying in fair value hedges and (b) gains and losses initially recognized in other comprehensive income on derivative instruments designated and qualifying as cash flow hedges.

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