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Consolidated Statements of Comprehensive Income - Parenthetical - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Reclassification adjustment for (gain) loss on derivative instruments included in net income, tax $ 56 $ 60 $ 170 $ 181
Amortization of postretirement liability losses included in net periodic benefit cost, tax 143 233 (676) 881
Foreign currency translation adjustments recognized during the period, tax (2) (44) 32 (107)
Reclassification adjustment for foreign currency translation (gain) loss included in net income, tax 0 0 0 491
Net unrealized gain (loss) on available-for-sale investments arising during the period, tax (23) (19) (35) (57)
Reclassification adjustment for loss (gain) on available-for-sale investments included in net income, tax $ 18 $ 15 $ 57 $ 53