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Manufacturing Consolidation Project and Tax Strategy (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Jan. 03, 2014
Schedule Of Restructuring Reserve By Type Of Cost [Line Items]  
Liability at December 28, 2012 $ 797
Costs incurred and charged to expense 2,242
Cash payments (2,280)
Liability at January 3, 2014 759
Total costs incurred to date 5,939
Total costs expected 6,200
Total costs remaining 261
Termination Benefits [Member]
  
Schedule Of Restructuring Reserve By Type Of Cost [Line Items]  
Liability at December 28, 2012 504
Costs incurred and charged to expense 481
Cash payments (254)
Liability at January 3, 2014 731
Total costs incurred to date 1,381
Total costs expected 1,592
Total costs remaining 211
Other Associated Costs [Member]
  
Schedule Of Restructuring Reserve By Type Of Cost [Line Items]  
Liability at December 28, 2012 293
Costs incurred and charged to expense 1,761
Cash payments (2,026)
Liability at January 3, 2014 28
Total costs incurred to date 4,558
Total costs expected 4,608
Total costs remaining $ 50