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Derivatives - Fair Values of Derivative Instruments (Detail) (USD $)
In Thousands, unless otherwise specified
Jul. 05, 2014
Dec. 31, 2013
Derivatives, Fair Value [Line Items]    
Derivative Liabilities, Fair Value $ (3,189) $ (555)
Derivatives Designated as Hedging Instrument [Member]
   
Derivatives, Fair Value [Line Items]    
Derivative Liabilities, Fair Value (2,300)  
Derivatives Not Designated as Hedging Instrument [Member]
   
Derivatives, Fair Value [Line Items]    
Derivative Liabilities, Fair Value (889) (555)
Commodity contracts [Member] | Derivatives Designated as Hedging Instrument [Member] | Accrued expenses and other current liabilities [Member]
   
Derivatives, Fair Value [Line Items]    
Derivative Liabilities, Fair Value (1,400)  
Commodity contracts [Member] | Derivatives Designated as Hedging Instrument [Member] | Deferred Credits And Other Liabilities [Member]
   
Derivatives, Fair Value [Line Items]    
Derivative Liabilities, Fair Value (900)  
Commodity contracts [Member] | Derivatives Not Designated as Hedging Instrument [Member] | Accrued expenses and other current liabilities [Member]
   
Derivatives, Fair Value [Line Items]    
Derivative Liabilities, Fair Value (757) (553)
Foreign exchange contracts [Member] | Derivatives Not Designated as Hedging Instrument [Member] | Accrued expenses and other current liabilities [Member]
   
Derivatives, Fair Value [Line Items]    
Derivative Liabilities, Fair Value $ (132) $ (2)