The charge against earnings in the period, comprised of costs incurred associated with an exit or disposal activity other than for a discontinued operations as defined under generally accepted accounting principles. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and costs associated with an ongoing benefit arrangement, but excludes costs associated with the retirement of a long-lived asset.

+ References+ Details

The charge against earnings in the period, comprised of costs associated with restructuring activities not otherwise specified in the taxonomy pursuant to a duly authorized plan, excluding a discontinued operation as defined by generally accepted accounting principles. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, but excludes costs associated with the retirement of a long-lived asset and severance costs associated with established compensation plans.

+ References+ Details

- Definition

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.

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- Definition

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 2: http://www.xbrl.org/2003/role/presentationRef

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

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Reference 7: http://www.xbrl.org/2003/role/presentationRef

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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.

Reference 8: http://www.xbrl.org/2003/role/presentationRef

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Reference 10: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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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				12 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]	Oct. 31, 2012 Restructuring Plan 2011 [Member]	Oct. 31, 2011 Restructuring Plan 2011 [Member]	Oct. 31, 2011 Restructuring Plan 2009 [Member]	Oct. 31, 2010 Restructuring Plan 2009 [Member]
Restructuring Reserve Disclosures [Abstract]
Facility charges							$ 4,000,000
Severance charges	3,000,000						10,000,000
Lease loss accruals									(2,000,000)
Charged to expense			2,500,000	400,000	100,000	2,400,000	(13,602,000)	(8,038,000)	(1,048,000)	(10,015,000)
Additional inventory reserves		$ 3,000,000