Basis Of Presentation	3 Months Ended
Mar. 31, 2013
Basis Of Presentation [Abstract]
Basis Of Presentation	1. In the opinion of management, the accompanying consolidated financial statements of Tredegar Corporation and Subsidiaries ("Tredegar," "we," "us" or "our") contain all adjustments necessary to state fairly, in all material respects, Tredegar's consolidated financial position as of March 31, 2013, the consolidated results of operations for the three months ended March 31, 2013 and 2012, the consolidated cash flows for the three months ended March 31, 2013 and 2012, and the consolidated changes in shareholders' equity for the three months ended March 31, 2013. All such adjustments, unless otherwise detailed in the notes to the consolidated interim financial statements, are deemed to be of a normal, recurring nature. The financial position data as of December 31, 2012 that is included herein was derived from the audited consolidated financial statements provided in our Annual Report on Form 10-K ("2012 Form 10-K") for the year ended December 31, 2012, but does not include all disclosures required by United States generally accepted accounting principles. These financial statements should be read in conjunction with the consolidated financial statements and related notes included in our 2012 Form 10-K. The results of operations for the three months ended March 31, 2013, are not necessarily indicative of the results to be expected for the full year.

1. In the opinion of management, the accompanying consolidated financial statements of Tredegar Corporation and Subsidiaries ("Tredegar," "we," "us" or "our") contain all adjustments necessary to state fairly, in all material respects, Tredegar's consolidated financial position as of March 31, 2013, the consolidated results of operations for the three months ended March 31, 2013 and 2012, the consolidated cash flows for the three months ended March 31, 2013 and 2012, and the consolidated changes in shareholders' equity for the three months ended March 31, 2013. All such adjustments, unless otherwise detailed in the notes to the consolidated interim financial statements, are deemed to be of a normal, recurring nature. The financial position data as of December 31, 2012 that is included herein was derived from the audited consolidated financial statements provided in our Annual Report on Form 10-K ("2012 Form 10-K") for the year ended December 31, 2012, but does not include all disclosures required by United States generally accepted accounting principles. These financial statements should be read in conjunction with the consolidated financial statements and related notes included in our 2012 Form 10-K. The results of operations for the three months ended March 31, 2013, are not necessarily indicative of the results to be expected for the full year.