Equity and Comprehensive Income

6 Months Ended

Jun. 30, 2011

Equity and Comprehensive Income [Abstract]

Equity and Comprehensive Income

6.   Equity and Comprehensive Income

The following table reflects the changes in equity and comprehensive income attributable to both Amkor and the noncontrolling interests:

				Attributable to
	Attributable			Noncontrolling
	to Amkor			Interests			Total
	(In thousands)
Equity at December 31, 2010	$	630,013		$	6,668		$	636,681
Comprehensive income:
Net income		39,591			620			40,211
Other comprehensive income:
Adjustments to unrealized components of defined benefit pension plan, net of tax		266			—			266
Cumulative translation adjustment		548			—			548
Total other comprehensive income		814			—			814
Comprehensive income		40,405			620			41,025
Treasury stock acquired through surrender of shares for tax withholding		(744	)		—			(744	)
Issuance of stock through employee share- based compensation plans		907			—			907
Share-based compensation expense		3,018			—			3,018
Conversion of debt to common stock		100,497			—			100,497
Equity at June 30, 2011	$	774,096		$	7,288		$	781,384
Equity at December 31, 2009	$	383,209		$	6,492		$	389,701
Comprehensive income:
Net income (loss)		103,347			(331	)		103,016
Other comprehensive income:
Adjustments to unrealized components of defined benefit pension plan, net of tax		149			—			149
Cumulative translation adjustment		1,867			—			1,867
Total other comprehensive income		2,016			—			2,016
Comprehensive income (loss)		105,363			(331	)		105,032
Treasury stock acquired through surrender of shares for tax withholding		(234	)		—			(234	)
Issuance of stock through employee share-based compensation plans		655			—			655
Share-based compensation expense		1,993			—			1,993
Equity at June 30, 2010	$	490,986		$	6,161		$	497,147