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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Statement of Income and Comprehensive Income |  |  |  |
Net Income | $ 171,106 | $ 279,783 | $ 339,031 | $ 371,107
Reclassification to retained earnings due to cumulative effect of accounting change | 0 | 0 | (50) | (605)
Other comprehensive income (loss) before tax: |  |  |  |
Foreing currency translation adjustment | (1,204) | (3,456) | (2,442) | (3,363)
Amortization of net losses of pension and postretirement benefit plans | 5,876 | 5,385 | 11,752 | 10,771
Amortization of prior service credit of pension and postretirement benefit plans | 0 | (868) | 0 | (1,735)
Unrealized holding gains (losses) on debt securities arising during the period | 143,441 | (36,223) | 253,304 | (157,412)
Unrealized net (losses) gains on cash flow hedges | (1,138) | (270) | (1,820) | 955
Reclassification adjustment for net losses (gains) included in net income | 891 | 250 | 1,921 | (1,017)
Other comprehensive income (loss) before tax | 147,866 | (35,182) | 262,665 | (152,406)
Income tax (expense) benefit | (15,100) | 1,228 | (25,904) | 6,266
Total other comprehensive income (loss), net of tax | 132,766 | (33,954) | 236,761 | (146,140)
Comprehensive income (loss), net of tax | $ 303,872 | $ 245,829 | $ 575,792 | $ 224,967

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