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Consolidated Statements Of Shareholders' Equity - 3 months ended Mar. 31, 2018 - 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, 2017 | $ 343,780 | $ 34,747 | $ 487,230 | $ (1,528) | $ (86,178) | $ 459 | $ (90,950)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Net income | 18,164 |  | 18,164 |  |  |  |
Foreign currency translation adjustment (net of tax of $0) | 1,906 |  |  |  | 1,906 |  |
Derivative financial instruments adjustment (net of tax benefit of $144) | (285) |  |  |  |  | (285) |
Amortization of prior service costs and net gains or losses (net of tax of $762) | 2,612 |  |  |  |  |  | 2,612
Cash dividends declared ($0.11 per share) | (3,643) |  | (3,643) |  |  |  |
Stock-based compensation expense | 612 | 612 |  |  |  |  |
Issued upon exercise of stock options & other | (247) | (247) |  |  |  |  |
Tredegar common stock purchased by trust for savings restoration plan |  |  | 8 | (8) |  |  |
Ending Balance at Mar. 31, 2018 | $ 362,899 | $ 35,112 | $ 501,759 | $ (1,536) | $ (84,272) | $ 174 | $ (88,338)

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