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Fair Value of Financial Instruments - Deferred Compensation Plan, Commodity Hedging Agreements (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 29, 2013
Dec. 30, 2012
Level 1 [Member]
   
Assets    
Deferred compensation plan assets $ 17,098 $ 13,011
Liabilities    
Deferred compensation plan liabilities 17,098 13,011
Level 2 [Member] | Commodity Hedging Agreements [Member]
   
Assets    
Commodity hedging agreements $ 0 $ 500