Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets (Details)

v2.4.0.6
Intangible Assets (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 30, 2013
Dec. 31, 2012
Summary of acquired intangible assets    
Weighted Average Life 11 years  
Gross Carrying Amount $ 22,873 $ 23,186
Accumulated Amortization 6,817 6,663
Patents [Member]
   
Summary of acquired intangible assets    
Weighted Average Life 12 years  
Gross Carrying Amount 1,271 1,271
Accumulated Amortization 809 784
Trade Names [Member]
   
Summary of acquired intangible assets    
Weighted Average Life 10 years  
Gross Carrying Amount 2,453 2,453
Accumulated Amortization 210 162
Completed and Unpatented Technology [Member]
   
Summary of acquired intangible assets    
Weighted Average Life 11 years  
Gross Carrying Amount 6,377 6,377
Accumulated Amortization 1,891 1,749
Backlog and Customer Relationships [Member]
   
Summary of acquired intangible assets    
Weighted Average Life 12 years  
Gross Carrying Amount 12,772 13,085
Accumulated Amortization $ 3,907 $ 3,968