Metal and Other Inventories (Tables)

9 Months Ended

Sep. 30, 2013

Inventory Disclosure [Abstract]

Inventories

Metal and other inventory consist of the following (in thousands):

	September 30, 2013		December 31, 2012
Concentrate and doré inventory	$	57,519	$	91,130
Supplies	66,018		79,540
Metal and other inventory	$	123,537	$	170,670