Derivative Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2011

Derivative Financial Instruments

Commodity future contracts commitment for non monetary notional amount

The following summarizes the company's commodity futures contract commitments as of December 31, 2011 (MT represents metric tons and Lbs represents pounds):

Commodity	Long/Short	Total
Aluminum	Long		10,200	MT
Aluminum	Short		8,550	MT
Copper	Long		2,427	MT
Copper	Short		7,394	MT
Nickel	Long		36	MT
Nickel	Short		198	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
Balance Sheets, as of December 31		2011		2010
Commodity futures net liability	Accrued expenses	$	1,219	$	4,988

		Gain (Loss)
Statements of Operations, Years Ended December 31		2011		2010			2009
Commodity futures contracts	Costs of goods sold	$	12,531	$	(5,907	)	$	7,347
Interest rate swap	Other comprehensive income		—		—			2,294
Interest rate swap	Other expense		—		—			(1,350	)