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Fair Value Measurements - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
Sep. 27, 2014
Dec. 28, 2013
Fair Value Measurements [Line Items]    
Fair value for the derivative assets $ 0.9 $ 0.3
Fair value for the derivative liabilities      
Level 2 [Member]
   
Fair Value Measurements [Line Items]    
Fair value for the derivative assets 0.9 0.3
Fair value for the derivative liabilities