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

9 Months Ended

Sep. 30, 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	$	1,200,286		$	17,250		$	1,217,536
Net income	63,927			2,175			66,102
Other comprehensive income	52,232			—			52,232
Issuance of stock through employee share-based compensation plans	2,600			—			2,600
Treasury stock acquired through surrender of shares for tax withholding	(446		)	—			(446		)
Share-based compensation	2,449			—			2,449
Subsidiary dividends paid to non-controlling interests	—			(413		)	(413		)
Equity at September 30, 2016	$	1,321,048		$	19,012		$	1,340,060

	Attributable to Amkor			Attributable to Non-controlling Interests			Total
	(In thousands)
Equity at December 31, 2014	$	1,114,748		$	14,701		$	1,129,449
Net income	61,660			2,386			64,046
Other comprehensive income	473			—			473
Issuance of stock through employee share-based compensation plans	657			—			657
Treasury stock acquired through surrender of shares for tax withholding	(548		)	—			(548		)
Share-based compensation	3,063			—			3,063
Subsidiary dividends paid to non-controlling interest	—			(123		)	(123		)
Equity at September 30, 2015	$	1,180,053		$	16,964		$	1,197,017

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	—			52,161			52,161
Amounts reclassified from accumulated other comprehensive loss	71			—			71
Other comprehensive income	71			52,161			52,232
Accumulated other comprehensive income (loss) at September 30, 2016	$	(1,354	)	$	51,502		$	50,148

	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	)	$	(29,433	)	$	(32,471	)
Other comprehensive loss before reclassifications	—			(102		)	509			407
Amounts reclassified from accumulated other comprehensive loss	66			—			—			66
Other comprehensive income (loss)	66			(102		)	509			473
Accumulated other comprehensive loss at September 30, 2015	$	(2,459	)	$	(615	)	$	(28,924	)	$	(31,998	)