Derivative Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2012

Derivative Financial Instruments

Commodity option and futures contract commitments for non monetary notional amount

Commodity Options — nickel 60 MT

Commodity Futures	Long/Short	Total
Aluminum	Long	6,600	MT
Aluminum	Short	5,800	MT
Copper	Long	4,797	MT
Copper	Short	15,547	MT
Nickel	Short	90	MT
Silver	Short	343	Lbs

Summary of the location and amounts of the fair values and gains or losses related to derivatives included in the entity's financial statements

		Fair Value
		June 30, 2012		December 31, 2011
Balance Sheets
Commodity futures and options — net asset	Other current assets	$	1,864	$	—
Commodity futures — net liability	Accrued expenses	—		1,219
		Gain for Three Months Ended
		June 30, 2012		June 30, 2011
Statements of Income
Commodity futures	Costs of goods sold	$	5,893	$	1,422
		Gain for Six Months Ended
		June 30, 2012		June 30, 2011
Statements of Income
Commodity futures	Costs of goods sold	$	2,275	$	4,345