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Schedule of Reconciliation Of Segment Expenditures For Property, Plant and Equipment to Condensed Consolidated Total Expenditures for Property, Plant, and Equipment (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jul. 01, 2012
Jun. 30, 2013
Jul. 01, 2012
Segment Reporting, Asset Reconciling Item [Line Items]        
Total expenditures for property, plant and equipment $ 21,262 $ 15,563 $ 36,897 $ 28,893
Operating Segments
       
Segment Reporting, Asset Reconciling Item [Line Items]        
Total expenditures for property, plant and equipment 20,944 15,549 36,579 28,682
Corporate, Non-Segment
       
Segment Reporting, Asset Reconciling Item [Line Items]        
Total expenditures for property, plant and equipment $ 318 $ 14 $ 318 $ 211