Other Income (Expense), net - Components of Other Income (Expense), Net (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Apr. 30, 2015	Apr. 30, 2014	Apr. 30, 2015	Apr. 30, 2014
Other Nonoperating Income (Expense)
Interest income	$ 552us-gaap_InterestIncomeOther	$ 314us-gaap_InterestIncomeOther	$ 1,700us-gaap_InterestIncomeOther	$ 681us-gaap_InterestIncomeOther
Interest expense	(804)us-gaap_InterestExpense	(582)us-gaap_InterestExpense	(1,457)us-gaap_InterestExpense	(939)us-gaap_InterestExpense
Gain (loss) on assets related to executive deferred compensation plan	5,973	3,419	5,276	4,460
Foreign currency exchange gain (loss)	511	(109)	4,205	785
Other, net	1,725us-gaap_OtherNonoperatingIncomeExpense	1,183us-gaap_OtherNonoperatingIncomeExpense	3,349us-gaap_OtherNonoperatingIncomeExpense	10,266us-gaap_OtherNonoperatingIncomeExpense
Total	$ 7,957us-gaap_NonoperatingIncomeExpense	$ 4,225us-gaap_NonoperatingIncomeExpense	$ 13,073us-gaap_NonoperatingIncomeExpense	$ 15,253us-gaap_NonoperatingIncomeExpense

Gain or (loss) on assets related to deferred compensation plan.

No definition available.

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- Definition

Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 830

-SubTopic 20

-Section 45

-Paragraph 1

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- Definition

Amount of the cost of borrowed funds accounted for as interest expense.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 20

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-Topic 942

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-Subparagraph (SX 210.9-04.9)

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-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph 9

-Article 9

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- Definition

Amount of interest income earned from interest bearing assets not separately disclosed.

+ References

No definition available.

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- Definition

The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business).

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

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-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.7)

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-Name Regulation S-X (SX)

-Number 210

-Section 03

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The net amount of other income and expense amounts, the components of which are not separately disclosed on the income statement, resulting from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business) also known as other nonoperating income (expense) recognized for the period. Such amounts may include: (a) dividends, (b) interest on securities, (c) net gains or losses on securities, (d) unusual costs, (e) gains or losses on foreign exchange transactions, and (f) miscellaneous other income and expense items.

+ References

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-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 9

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