Amount charged against earnings in the period for incurred and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding asset retirement obligations.

+ References+ Details

The charge against earnings in the period for known and estimated costs of termination benefits provided to current employees that are involuntarily terminated under a benefit arrangement associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding costs or losses pertaining to an entity newly acquired in a business combination or a discontinued operation as defined by generally accepted accounting principles and costs associated with one-time termination benefits.

+ References

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

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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-Name Statement of Financial Accounting Standard (FAS)

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-Name Staff Accounting Bulletin (SAB)

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Restructuring Charges - Additional Information (Detail) (USD $)	3 Months Ended		6 Months Ended
	Jan. 31, 2013	Apr. 30, 2013	Apr. 30, 2013 Americas [Member]	Apr. 30, 2013 EMEA [Member]	Apr. 30, 2013 APAC [Member]	Apr. 30, 2013 Corporate operations [Member]
Schedule Of Restructuring Reserve [Line Items]
Additional inventory reserves		$ 3,000,000
Severance charges	3,000,000
Charged to expense			$ 2,500,000	$ 400,000	$ 100,000	$ 2,400,000