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Consolidated Statements Of Shareholders' Equity - 9 months ended Sep. 30, 2017 - USD ($) $ in Thousands | Total | Common Stock | Retained Earnings | Trust for Savings Restoration Plan | Foreign Currency Translation | Gain (Loss) on Derivative Financial Instruments | Pension & Other Post-retirement Benefit Adjust.
--- | --- | --- | --- | --- | --- | --- | ---
Beginning Balance at Dec. 31, 2016 | $ 310,783 | $ 32,007 | $ 463,507 | $ (1,497) | $ (93,970) | $ 863 | $ (90,127)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Net income | 56,180 |  | 56,180 |  |  |  |
Foreign currency translation adjustment (net of tax of $481) | 9,817 |  |  |  | 9,817 |  |
Derivative financial instruments adjustment (net of tax of $162) | 288 |  |  |  |  | 288 |
Amortization of prior service costs and net gains or losses (net of tax of $3,279) | 5,754 |  |  |  |  |  | 5,754
Cash dividends declared ($0.33 per share) | (10,901) |  | (10,901) |  |  |  |
Stock-based compensation expense | 1,298 | 1,298 |  |  |  |  |
Issued upon exercise of stock options & other | 695 | 695 |  |  |  |  |
Cumulative effect adjustment for adoption of stock-based comp accounting guidance - APIC Adjustment |  | 27 |  |  |  |  |
Cumulative effect adjustment for adoption of stock-based comp accounting guidance - RE Adjustment |  |  | (27) |  |  |  |
Tredegar common stock purchased by trust for savings restoration plan |  |  | 23 | (23) |  |  |
Ending Balance at Sep. 30, 2017 | $ 373,914 | $ 34,027 | $ 508,782 | $ (1,520) | $ (84,153) | $ 1,151 | $ (84,373)

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