Consolidated Statements of Comprehensive Income (Unaudited) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Net income $ 29,697 $ 21,183
Other comprehensive income, net of tax:    
Adjustments to unrealized components of defined benefit pension plans, net of tax 22 120
Foreign currency translation adjustment (122) 685
Equity interest in J-Devices' other comprehensive income, net of tax 1,338 3,144
Total other comprehensive income 1,238 3,949
Comprehensive income 30,935 25,132
Comprehensive income attributable to noncontrolling interests (916) (550)
Comprehensive income attributable to Amkor $ 30,019 $ 24,582