Derivative Instruments (Tables)

6 Months Ended

Jun. 30, 2012

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Company's outstanding commodity derivatives

The following is a summary of the Company’s commodity derivatives as of June 30, 2012:

PGM Recycling:
Fixed Forwards
	Platinum			Palladium			Rhodium
Settlement Period	Ounces	Avg. Price		Ounces	Avg. Price		Ounces	Avg. Price
Third Quarter 2012	20,981	$	1,498	30,681	$	631	4,803	$	1,359
Fourth Quarter 2012	2,051	$	1,447	1,800	$	614	1,905	$	1,232