Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets - Summary of Acquired Intangible Assets (Detail)

v2.4.0.8
Intangible Assets - Summary of Acquired Intangible Assets (Detail) (USD $)
In Thousands, unless otherwise specified
 6 Months Ended
Jun. 29, 2013
Dec. 31, 2012
Finite-Lived Intangible Assets [Line Items]    
Weighted Average Life 11 years  
Gross Carrying Amount $ 22,873 $ 23,186
Accumulated Amortization 7,285 6,663
Patents [Member]
    
Finite-Lived Intangible Assets [Line Items]    
Weighted Average Life 12 years  
Gross Carrying Amount 1,271 1,271
Accumulated Amortization 834 784
Trade Names [Member]
    
Finite-Lived Intangible Assets [Line Items]    
Weighted Average Life 10 years  
Gross Carrying Amount 2,453 2,453
Accumulated Amortization 258 162
Completed and Unpatented Technology [Member]
    
Finite-Lived Intangible Assets [Line Items]    
Weighted Average Life 11 years  
Gross Carrying Amount 6,377 6,377
Accumulated Amortization 2,034 1,749
Backlog and Customer Relationships [Member]
    
Finite-Lived Intangible Assets [Line Items]    
Weighted Average Life 12 years  
Gross Carrying Amount 12,772 13,085
Accumulated Amortization $ 4,159 $ 3,968