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Restructuring Costs and Other Expense (Income), Net (Details) (USD $)
 12 Months Ended
Dec. 28, 2013
Dec. 29, 2012
Dec. 31, 2011
Other Expense (Income) [Abstract]      
Depreciation expense   $ 307,000  
2013 Restructuring Plan [Member]
      
Restructuring Costs [Abstract]      
Restructuring costs 1,843,000    
Restructuring Reserve [Roll Forward]      
Provision (reversal) 1,843,000    
Usage (1,215,000)    
Currency translation (161,000)    
Balance at end of period 467,000    
2011 Restructuring Plan [Member]
      
Restructuring Reserve [Roll Forward]      
Balance at beginning of period 88,000 408,000 0
Provision (reversal)   (67,000) 408,000
Usage (38,000) (256,000)  
Currency translation 2,000 3,000  
Balance at end of period 52,000 88,000 408,000
2008 Restructuring Plan [Member]
      
Restructuring Costs [Abstract]      
Restructuring costs   4,507,000  
Restructuring Reserve [Roll Forward]      
Balance at beginning of period 166,000 354,000 433,000
Provision (reversal)   (8,000)  
Usage (141,000) (182,000) (94,000)
Currency translation 6,000 2,000 15,000
Balance at end of period 31,000 166,000 354,000
CHINA [Member]
      
Other Expense (Income) [Abstract]      
Pre-tax gain from sale of real estate 1,740,000   2,282,000
Employee Severance [Member] | 2013 Restructuring Plan [Member]
      
Restructuring Reserve [Roll Forward]      
Provision (reversal) 1,666,000    
Usage (1,038,000)    
Currency translation (161,000)    
Balance at end of period 467,000    
Employee Severance [Member] | 2011 Restructuring Plan [Member]
      
Restructuring Reserve [Roll Forward]      
Balance at beginning of period 88,000 408,000 0
Provision (reversal)   (67,000) 408,000
Usage (38,000) (256,000)  
Currency translation 2,000 3,000  
Balance at end of period 52,000 88,000 408,000
Employee Severance [Member] | 2008 Restructuring Plan [Member]
      
Restructuring Costs [Abstract]      
Restructuring costs   4,122,000  
Restructuring Reserve [Roll Forward]      
Balance at beginning of period 166,000 354,000 433,000
Provision (reversal)   (8,000)  
Usage (141,000) (182,000) (94,000)
Currency translation 6,000 2,000 15,000
Balance at end of period 31,000 166,000 354,000
Employee Severance [Member] | BRAZIL | 2013 Restructuring Plan [Member]
      
Restructuring Costs [Abstract]      
Restructuring costs 1,158,000    
Employee Severance [Member] | SWEDEN | 2013 Restructuring Plan [Member]
      
Other Expense (Income) [Abstract]      
Number of employees reduced due to restructuring 25    
Restructuring Costs [Abstract]      
Restructuring costs 508,000    
Other Costs [Member] | 2013 Restructuring Plan [Member]
      
Restructuring Costs [Abstract]      
Restructuring costs 177,000    
Restructuring Reserve [Roll Forward]      
Provision (reversal) 177,000    
Usage (177,000)    
Currency translation 0    
Balance at end of period 0    
Other Costs [Member] | 2011 Restructuring Plan [Member]
      
Restructuring Reserve [Roll Forward]      
Balance at beginning of period 0 0 0
Provision (reversal)   0 0
Usage 0 0  
Currency translation 0 0  
Balance at end of period 0 0 0
Other Costs [Member] | 2008 Restructuring Plan [Member]
      
Restructuring Costs [Abstract]      
Restructuring costs   385,000  
Restructuring Reserve [Roll Forward]      
Balance at beginning of period 0 0 0
Provision (reversal)   0  
Usage 0 0 0
Currency translation 0 0 0
Balance at end of period $ 0 $ 0 $ 0
Other Costs [Member] | BRAZIL | 2013 Restructuring Plan [Member]
      
Other Expense (Income) [Abstract]      
Number of employees reduced due to restructuring 22    
Papermaking Systems Segment [Member] | Employee Severance [Member] | 2008 Restructuring Plan [Member]
      
Other Expense (Income) [Abstract]      
Number of employees reduced due to restructuring   329  
Papermaking Systems Segment [Member] | Employee Severance [Member] | CHINA [Member] | 2011 Restructuring Plan [Member]
      
Other Expense (Income) [Abstract]      
Number of employees reduced due to restructuring     73