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Hedging Transactions and Derivative Financial Instruments - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 27, 2014
Sep. 28, 2013
Sep. 27, 2014
Sep. 28, 2013
Dec. 28, 2013
Derivative [Line Items]          
Fair value of derivative asset $ 0.9   $ 0.9   $ 0.3
Fair value of derivative liabilities             
Derivative instruments, charge to cost of sales 471.5 478.2 1,373.4 1,414.4  
Gains and Losses on Derivative Instruments [Member]
         
Derivative [Line Items]          
Derivative instruments, charge to cost of sales 0.1 0.1 0.1 0.5  
Commodity Swaps [Member] | Cash Flow Hedging [Member]
         
Derivative [Line Items]          
Notional value of commodity cash flow hedges 43.0   43.0     
Forward Contracts [Member] | Cash Flow Hedging [Member]
         
Derivative [Line Items]          
Notional value of commodity cash flow hedges $ 1.8   $ 1.8   $ 3.6
Maximum [Member]
         
Derivative [Line Items]          
Foreign exchange contracts maturity     18 months