Quarterly report pursuant to Section 13 or 15(d)

Restructuring Costs - Summary of Charges Related to Restructure (Detail)

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Restructuring Costs - Summary of Charges Related to Restructure (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 27, 2014
Sep. 27, 2014
Restructuring Cost and Reserve [Line Items]    
Restructuring costs $ 410 $ 1,035
Employee severance
   
Restructuring Cost and Reserve [Line Items]    
Restructuring costs 0 552
Accounts receivable allowance
   
Restructuring Cost and Reserve [Line Items]    
Restructuring costs 0 73
Relocation costs (employee and equipment)
   
Restructuring Cost and Reserve [Line Items]    
Restructuring costs 127 127
Inventory transfers
   
Restructuring Cost and Reserve [Line Items]    
Restructuring costs $ 283 $ 283