Metal and Other Inventories (Tables)

9 Months Ended

Sep. 30, 2011

Metal and Other Inventories [Abstract]

Inventories

	September 30,		December 31,
	2011		2010
Concentrate and doré inventory	$	73,072	$	81,059
Supplies		53,083		37,281
Metal and other inventory	$	126,155	$	118,340