Derivative Instruments (Tables)

3 Months Ended

Mar. 31, 2013

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Company's outstanding commodity derivatives

The following is a summary of the Company’s obligations to deliver metal under commodity derivatives in place as of March 31, 2013:

PGM Recycling:
Fixed Forwards
	Platinum			Palladium			Rhodium
Settlement Period	Ounces	Average Price		Ounces	Average Price		Ounces	Average Price
Second Quarter 2013	38,733	$	1,631	62,281	$	740	10,871	$	1,164
Third Quarter 2013	1,906	$	1,589	3,480	$	754	1,398	$	1,215