Note 6. Business Segments (Tables)

6 Months Ended

Jun. 30, 2011

Schedule of Segment Reporting Information, by Segment [Table Text Block]

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2011			2010			2011			2010
Net sales from operations to customers:
Greens Creek	$	81,816		$	66,941		$	183,618		$	123,482
Lucky Friday		36,044			21,690			70,606			45,024
	$	117,860		$	88,631		$	254,224		$	168,506
Income (loss) from operations:
Greens Creek	$	45,054		$	27,662		$	103,563		$	43,786
Lucky Friday		20,596			8,625			40,508			18,306
Other		(11,859	)		(11,695	)		(21,545	)		(21,846	)
	$	53,791		$	24,592		$	122,526		$	40,246

Identifiable Assets By Reportable Segment

	June 30,		December 31,
	2011		2010
Identifiable assets:
Greens Creek	$	753,190	$	740,573
Lucky Friday		195,773		170,928
Other		511,426		470,992
	$	1,460,389	$	1,382,493