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Manufacturing Consolidation Project and Tax Strategy (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Apr. 04, 2014
Schedule Of Restructuring Reserve By Type Of Cost [Line Items]  
Liability at January 3, 2014 $ 759
Costs incurred and charged to expense 168
Cash payments (78)
Liability at April 4, 2014 849
Termination Benefits [Member]
  
Schedule Of Restructuring Reserve By Type Of Cost [Line Items]  
Liability at January 3, 2014 731
Costs incurred and charged to expense 106
Cash payments (16)
Liability at April 4, 2014 821
Other Associated Costs [Member]
  
Schedule Of Restructuring Reserve By Type Of Cost [Line Items]  
Liability at January 3, 2014 28
Costs incurred and charged to expense 62
Cash payments (62)
Liability at April 4, 2014 $ 28