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
Apr. 02, 2016
Dec. 31, 2015
Property, Plant and Equipment    
Property, plant and equipment, gross $ 185,651 $ 182,930
Less accumulated depreciation 61,680 58,188
Property, plant and equipment net 123,971 124,742
Land    
Property, Plant and Equipment    
Property, plant and equipment, gross 11,187 11,145
Buildings and Improvements    
Property, Plant and Equipment    
Property, plant and equipment, gross 79,514 78,989
Machinery and Equipment    
Property, Plant and Equipment    
Property, plant and equipment, gross 91,656 89,514
Construction in Progress    
Property, Plant and Equipment    
Property, plant and equipment, gross $ 3,294 $ 3,282