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Financial Contracts Hedging Commodity and Interest Rate Risk (Detail) (USD $) In Millions, unless otherwise specified	Apr. 20, 2013
Derivative Instruments, Gain (Loss) [Line Items]
Notional amount of interest rate swap	$ 209.5
Interest Rate Contracts
Derivative Instruments, Gain (Loss) [Line Items]
Notional amount of interest rate swap	33.8
Wheat Contracts
Derivative Instruments, Gain (Loss) [Line Items]
Notional amount of interest rate swap	133.8
Soybean Oil Contracts
Derivative Instruments, Gain (Loss) [Line Items]
Notional amount of interest rate swap	23.2
Natural Gas Contracts
Derivative Instruments, Gain (Loss) [Line Items]
Notional amount of interest rate swap	$ 18.7

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- Definition

Aggregate notional amount of all derivatives designated as cash flow hedging instruments. The notional amount relates to a number of currency units, shares, bushels, pounds, or other units specified in a derivative instrument.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Notional Amount

-URI http://asc.fasb.org/extlink&oid=6519104

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