|**Restructuring (Tables)**                        | 12 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                      
|------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|**Restructuring Cost and Reserve [Line Items]**   |                                                                                                                                                                                                                                                                                                                                                                                                                                      
|Schedule of Restructuring and Related Costs       | Restructuring and exit costs were recorded in the consolidated statements of operations as follows:201220112010Restructuring and exit costs:Custom Sheet and Rollstock$1,054$609$2,585Packaging Technologies—247(662)Color and Specialty Compounds1,4671,3225,276Corporate—691Total restructuring and exit costs2,5212,1847,290Income tax benefit(655)(830)(2,836)Impact on net earnings from continuing operations$1,866$1,354$4,454
|                                                 
|                                                  |                                                                                                                                                                                                                                                                                                                                                                                                                                      
|                                                  | 2012                                                                                                                                                                                                                                                                                                                                                                                                                                 
|Restructuring and exit costs:                     |                                                                                                                                                                                                                                                                                                                                                                                                                                      
|Custom Sheet and Rollstock                        | $                                                                                                                                                                                                                                                                                                                                                                                                                                    
|Packaging Technologies                            | —                                                                                                                                                                                                                                                                                                                                                                                                                                    
|Color and Specialty Compounds                     | 1,467                                                                                                                                                                                                                                                                                                                                                                                                                                
|Corporate                                         | —                                                                                                                                                                                                                                                                                                                                                                                                                                    
|Total restructuring and exit costs                | 2,521                                                                                                                                                                                                                                                                                                                                                                                                                                
|Income tax benefit                                | (655                                                                                                                                                                                                                                                                                                                                                                                                                                 
|Impact on net earnings from continuing operations | $                                                                                                                                                                                                                                                                                                                                                                                                                                    
|2012 Restructuring Plan                           |                                                                                                                                                                                                                                                                                                                                                                                                                                      
|**Restructuring Cost and Reserve [Line Items]**   |                                                                                                                                                                                                                                                                                                                                                                                                                                      
|Schedule of Restructuring and Related Costs       | The following table summarizes the cumulative restructuring and exit costs incurred under the2012restructuring plans:2012Employee severance and other exit costs$2,229Fixed asset valuation adjustments, net292Total$2,521                                                                                                                                                                                                           
|                                                 
|                                                  |                                                                                                                                                                                                                                                                                                                                                                                                                                      
|                                                  | 2012                                                                                                                                                                                                                                                                                                                                                                                                                                 
|Employee severance and other exit costs           | $                                                                                                                                                                                                                                                                                                                                                                                                                                    
|Fixed asset valuation adjustments, net            | 292                                                                                                                                                                                                                                                                                                                                                                                                                                  
|Total                                             | $                                                                                                                                                                                                                                                                                                                                                                                                                                    
|2008 Restructuring Plan                           |                                                                                                                                                                                                                                                                                                                                                                                                                                      
|**Restructuring Cost and Reserve [Line Items]**   |                                                                                                                                                                                                                                                                                                                                                                                                                                      
|Schedule of Restructuring and Related Costs       | The following table summarizes the cumulative restructuring and exit costs incurred to date under the2008restructuring plan:CumulativeTo-DateEmployee severance$6,292Facility consolidation and shut-down costs6,943Fixed asset valuation adjustments, net3,225Total$16,460                                                                                                                                                          
|                                                 
|                                                  |                                                                                                                                                                                                                                                                                                                                                                                                                                      
|                                                  | CumulativeTo-Date                                                                                                                                                                                                                                                                                                                                                                                                                    
|Employee severance                                | $                                                                                                                                                                                                                                                                                                                                                                                                                                    
|Facility consolidation and shut-down costs        | 6,943                                                                                                                                                                                                                                                                                                                                                                                                                                
|Fixed asset valuation adjustments, net            | 3,225                                                                                                                                                                                                                                                                                                                                                                                                                                
|Total                                             | $                                                                                                                                                                                                                                                                                                                                                                                                                                    

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