Quarterly report pursuant to Section 13 or 15(d)

Property, Plant and Equipment - Summary of Property, Plant and Equipment (Detail)

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Property, Plant and Equipment - Summary of Property, Plant and Equipment (Detail) (USD $)
In Thousands, unless otherwise specified
Jun. 28, 2014
Dec. 31, 2013
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross $ 152,379 $ 108,189
Less Accumulated Depreciation 42,227 37,289
Property, Plant and Equipment Net 110,152 70,900
Land [Member]
   
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross 6,724 6,742
Buildings and Improvements [Member]
   
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross 57,479 45,551
Machinery and Equipment [Member]
   
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross 66,767 54,369
Construction in Progress [Member]
   
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross $ 21,409 $ 1,527