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Restructuring Costs - Narrative (Details) - Papermaking Systems [Member]
$ in Thousands
9 Months Ended
Oct. 03, 2015
USD ($)
Employee
Sep. 27, 2014
USD ($)
Restructuring Cost and Reserve [Line Items]    
Restructuring charges (reversals)   $ 928
Severance Costs [Member]    
Restructuring Cost and Reserve [Line Items]    
Restructuring charges (reversals) $ 300 375
Severance Costs [Member] | Canada and Sweden [Member]    
Restructuring Cost and Reserve [Line Items]    
Number of employees reduced due to restructuring | Employee 9  
Facility Closing [Member]    
Restructuring Cost and Reserve [Line Items]    
Restructuring charges (reversals)   $ 553