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Estimated Amortization Expense (Detail) (USD $)
In Thousands, unless otherwise specified
Jun. 28, 2013
Dec. 31, 2012
Finite-Lived Intangible Assets [Line Items]    
2013 (remainder of year) $ 5,897  
2014 10,867  
2015 8,653  
2016 6,934  
2017 6,227  
Thereafter 18,926  
Amortizable intangible assets, net carrying amount 57,504 26,993
Cost of Sales
   
Finite-Lived Intangible Assets [Line Items]    
2013 (remainder of year) 2,686  
2014 4,953  
2015 3,310  
2016 1,965  
2017 1,573  
Thereafter 372  
Amortizable intangible assets, net carrying amount 14,859  
Operating Expense
   
Finite-Lived Intangible Assets [Line Items]    
2013 (remainder of year) 3,211  
2014 5,914  
2015 5,343  
2016 4,969  
2017 4,654  
Thereafter 18,554  
Amortizable intangible assets, net carrying amount $ 42,645