Derivative Instruments (Tables)

6 Months Ended

Jun. 30, 2011

Derivative Instruments

Schedule of Fair Value of Derivatives Designated as Cash Flow Hedges

	Asset Derivatives			Liability Derivatives
	Location	Fair Value		Location	Fair Value
	(Dollars in Thousands)
As of December 31, 2010
Derivatives designated as cash flow hedges:
Foreign currency derivatives	Other receivables	$	1,226	Other payables	$	390
Commodity derivative contracts	Other current assets		803	Other current liabilities		225
Total fair value		$	2,029		$	615
As of June 30, 2011
Derivatives designated as cash flow hedges:
Foreign currency derivatives	Other receivables	$	2,906	Other payables	$	2,038
Commodity derivative contracts	Other current assets		8,691	Other current liabilities		477
Total fair value		$	11,597		$	2,515

Schedule of Fair Value of Derivatives Designated as Fair Value Hedges

	Asset Derivatives			Liability Derivatives
	Location	Fair Value		Location	Fair Value
	(Dollars in Thousands)
As of December 31, 2010
Derivatives designated as fair value hedges:
Foreign currency derivatives	Other receivables	$	0	Other payables	$	0
Total fair value		$	0		$	0
As of June 30, 2011
Derivatives designated as fair value hedges:
Foreign currency derivatives	Other receivables	$	0	Other payables	$	126
Total fair value		$	0		$	126

Schedule of Realized (Gains) Losses on Derivatives Recognized in Statement of Income

		Amount of  (Gain)/Loss Recognized (Effective Portion)
Three Months ended June 30,	Location of (Gain)/Loss Reclassified from Other Comprehensive Income (Effective Portion)	2010			2011
		(Dollars in Thousands)
Derivatives designated as cash flow hedges:
Foreign currency derivatives	Cost of goods sold/Other (income) expense / Revenue	$	(197	)	$	9
Commodity forward derivatives	Cost of goods sold / Revenue	$	157		$	(1,039	)
		Amount of (Gain)/Loss Recognized (Effective Portion)
Three Months ended June 30,	Location of (Gain)/Loss Recognized in the Consolidated Statement of Income	2010			2011
		(Dollars in Thousands)
Derivatives designated as fair value hedges:
Foreign currency derivatives	Cost of goods sold/Other (income) expense / Revenue	$	0		$	328
		Amount of (Gain)/Loss Recognized (Effective Portion)
Six Months ended June 30,	Location of (Gain)/Loss Reclassified from Other Comprehensive Income (Effective Portion)	2010			2011
		(Dollars in Thousands)
Derivatives designated as cash flow hedges:
Foreign currency derivatives	Cost of goods sold/Other (income) expense / Revenue	$	(261	)	$	881
Commodity forward derivatives	Cost of goods sold / Revenue	$	186		$	(801	)
		Amount of (Gain)/Loss Recognized (Effective Portion)
Six Months ended June 30,	Location of (Gain)/Loss Recognized in the Consolidated Statement of Income	2010			2011
		(Dollars in Thousands)
Derivatives designated as fair value hedges:
Foreign currency derivatives	Cost of goods sold/Other (income) expense / Revenue	$	0		$	328