Equity and Accumulated Other Comprehensive Income (Loss) (Tables)

3 Months Ended

Mar. 31, 2016

Equity [Abstract]

Changes in equity attributable to both Company and noncontrolling interests

The following tables reflect the changes in equity attributable to both Amkor and the non-controlling interests:

	Attributable to Amkor			Attributable to Non-controlling Interests			Total
	(In thousands)
Equity at December 31, 2015	$	1,207,883		$	17,250		$	1,225,133
Net income (loss)	(875		)	470			(405		)
Other comprehensive income	19,888			—			19,888
Treasury stock acquired through surrender of shares for tax withholding	(119		)	—			(119		)
Share-based compensation	805			—			805
Subsidiary dividends paid to non-controlling interests	—			(135		)	(135		)
Equity at March 31, 2016	$	1,227,582		$	17,585		$	1,245,167

	Attributable to Amkor			Attributable to Non-controlling Interests		Total
	(In thousands)
Equity at December 31, 2014	$	1,116,235		$	14,701	$	1,130,936
Net income	28,781			916		29,697
Other comprehensive income	1,238			—		1,238
Issuance of stock through employee share-based compensation plans	574			—		574
Treasury stock acquired through surrender of shares for tax withholding	(230		)	—		(230		)
Share-based compensation	1,369			—		1,369
Equity at March 31, 2015	$	1,147,967		$	15,617	$	1,163,584

Schedule of Accumulated Other Comprehensive Income

The following tables reflect the changes in accumulated other comprehensive income (loss), net of tax:

	Defined Benefit Pension			Foreign Currency Translation			Total
	(In thousands)
Accumulated other comprehensive loss at December 31, 2015	$	(1,425	)	$	(659	)	$	(2,084	)
Other comprehensive income before reclassifications	—			19,864			19,864
Amounts reclassified from accumulated other comprehensive loss	24			—			24
Other comprehensive income	24			19,864			19,888
Accumulated other comprehensive income (loss) at March 31, 2016	$	(1,401	)	$	19,205		$	17,804

	Defined Benefit Pension			Foreign Currency Translation			Equity Interest in J-Devices' Other Comprehensive Income (Loss)			Total
	(In thousands)
Accumulated other comprehensive loss at December 31, 2014	$	(2,525	)	$	(513	)	$	(29,829	)	$	(32,867	)
Other comprehensive income (loss) before reclassifications	—			(122		)	1,338			1,216
Amounts reclassified from accumulated other comprehensive loss	22			—			—			22
Other comprehensive income (loss)	22			(122		)	1,338			1,238
Accumulated other comprehensive loss at March 31, 2015	$	(2,503	)	$	(635	)	$	(28,491	)	$	(31,629	)