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Employee Benefit Plans - Significant Assumptions Used in Determination of Pension Expense (Detail)	Oct. 31, 2013	Oct. 31, 2012
Compensation And Retirement Disclosure [Abstract]
Discount rate on projected benefit obligation	4.60%	3.70%

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- Definition

The interest rate used to adjust for the time value of money for the plan.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (k)(1)

-URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920

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