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Financial Contracts Hedging Commodity Risk (Detail) (Cash Flow Hedging, USD $)
In Millions, unless otherwise specified
Oct. 05, 2013
Derivative Instruments, Gain (Loss) [Line Items]  
Notional amount of interest rate swap $ 150.3
Wheat Contracts
 
Derivative Instruments, Gain (Loss) [Line Items]  
Notional amount of interest rate swap 110.2
Soybean Oil Contracts
 
Derivative Instruments, Gain (Loss) [Line Items]  
Notional amount of interest rate swap 23.9
Natural Gas Contracts
 
Derivative Instruments, Gain (Loss) [Line Items]  
Notional amount of interest rate swap $ 16.2