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Consolidated Statements Of Shareholders' Equity (USD $) In Thousands, except Share data, unless otherwise specified | Common Stock [Member] | Retained Earnings [Member] | Trust For Savings Restoration Plan [Member] | Foreign Currency Translation [Member] | Gain (Loss) On Derivative Financial Instruments [Member] | Pension & Other Post-retirement Benefit Adjust [Member] | Total
--- | --- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2008 | $ 40,719 | $ 429,047 | $ (1,313) | $ 23,443 | $ (6,692) | $ (64,788) | $ 420,416
Balance, shares at Dec. 31, 2008 | 33,909,932 |  |  |  |  |  |
Comprehensive income (loss): |  |  |  |  |  |  |
Net income (loss) |  | (1,353) |  |  |  |  | (1,353)
Other comprehensive income (loss): |  |  |  |  |  |  |
Foreign currency translation adjustment |  |  |  | 2,807 |  |  | 2,807
Derivative financial instruments adjustment |  |  |  |  | 7,450 |  | 7,450
Net gains or losses and prior service costs |  |  |  |  |  | 4,061 | 4,061
Amortization of prior service costs and net gains or losses |  |  |  |  |  | 699 | 699
Comprehensive income |  |  |  |  |  |  | 13,664
Cash dividends declared ($.18 per share) |  | (5,426) |  |  |  |  | (5,426)
Stock-based compensation expense | 2,538 |  |  |  |  |  | 2,538
Stock-based compensation expense, shares | 9,387 |  |  |  |  |  |
Issued upon exercise of stock options & other | (597) |  |  |  |  |  | (597)
Issued upon exercise of stock options & other, shares | 73,728 |  |  |  |  |  |
Repurchases of Tredegar common stock | (1,523) |  |  |  |  |  | (1,523)
Repurchases of Tredegar common stock, shares | (105,497) |  |  |  |  |  |
Tredegar common stock purchased by trust for savings restoration plan |  | 9 | (9) |  |  |  |
Balance at Dec. 31, 2009 | 41,137 | 422,277 | (1,322) | 26,250 | 758 | (60,028) | 429,072
Balance, shares at Dec. 31, 2009 | 33,887,550 |  |  |  |  |  |
Comprehensive income (loss): |  |  |  |  |  |  |
Net income (loss) |  | 27,027 |  |  |  |  | 27,027
Other comprehensive income (loss): |  |  |  |  |  |  |
Foreign currency translation adjustment |  |  |  | (2,678) |  |  | (2,678)
Derivative financial instruments adjustment |  |  |  |  | (478) |  | (478)
Net gains or losses and prior service costs |  |  |  |  |  | (2,838) | (2,838)
Amortization of prior service costs and net gains or losses |  |  |  |  |  | 2,995 | 2,995
Comprehensive income |  |  |  |  |  |  | 24,028
Cash dividends declared ($.18 per share) |  | (5,141) |  |  |  |  | (5,141)
Stock-based compensation expense | 3,952 |  |  |  |  |  | 3,952
Stock-based compensation expense, shares | 8,017 |  |  |  |  |  |
Issued upon exercise of stock options & other | 776 |  |  |  |  |  | 776
Issued upon exercise of stock options & other, shares | 112,506 |  |  |  |  |  |
Repurchases of Tredegar common stock | (35,141) |  |  |  |  |  | (35,141)
Repurchases of Tredegar common stock, shares | (2,124,900) |  |  |  |  |  |
Tredegar common stock purchased by trust for savings restoration plan |  | 10 | (10) |  |  |  |
Balance at Dec. 31, 2010 | 10,724 | 444,173 | (1,332) | 23,572 | 280 | (59,871) | 417,546
Balance, shares at Dec. 31, 2010 | 31,883,173 |  |  |  |  |  |
Comprehensive income (loss): |  |  |  |  |  |  |
Net income (loss) |  | 24,855 |  |  |  |  | 24,855
Other comprehensive income (loss): |  |  |  |  |  |  |
Foreign currency translation adjustment |  |  |  | (11,785) |  |  | (11,785)
Derivative financial instruments adjustment |  |  |  |  | (686) |  | (686)
Net gains or losses and prior service costs |  |  |  |  |  | (34,664) | (34,664)
Amortization of prior service costs and net gains or losses |  |  |  |  |  | 3,863 | 3,863
Comprehensive income |  |  |  |  |  |  | (18,417)
Cash dividends declared ($.18 per share) |  | (5,761) |  |  |  |  | (5,761)
Stock-based compensation expense | 2,897 |  |  |  |  |  | 2,897
Stock-based compensation expense, shares | 14,973 |  |  |  |  |  |
Issued upon exercise of stock options & other | 736 |  |  |  |  |  | 736
Issued upon exercise of stock options & other, shares | 159,135 |  |  |  |  |  |
Tredegar common stock purchased by trust for savings restoration plan |  | 11 | (11) |  |  |  |
Balance at Dec. 31, 2011 | $ 14,357 | $ 463,278 | $ (1,343) | $ 11,787 | $ (406) | $ (90,672) | $ 397,001
Balance, shares at Dec. 31, 2011 | 32,057,281 |  |  |  |  |  |

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