Financial Contracts Hedging Commodity and Interest Rate Risk (Detail) (Cash Flow Hedging, USD $) In Millions, unless otherwise specified	Oct. 04, 2014
Derivative Instruments, Gain (Loss) [Line Items]
Notional amount of interest rate swap	$ 179.0
Wheat Contracts
Derivative Instruments, Gain (Loss) [Line Items]
Notional amount of interest rate swap	127.8
Soybean Oil Contracts
Derivative Instruments, Gain (Loss) [Line Items]
Notional amount of interest rate swap	35.4
Natural Gas Contracts
Derivative Instruments, Gain (Loss) [Line Items]
Notional amount of interest rate swap	$ 15.8