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Property And Equipment By Geographic Area (Detail) (USD $) In Thousands, unless otherwise specified	Oct. 31, 2012	Oct. 31, 2011
Long-Lived Assets by Geographical Areas [Line Items]
Property and equipment, net	$ 191,243	$ 159,517
United States
Long-Lived Assets by Geographical Areas [Line Items]
Property and equipment, net	133,148	121,101
Other Countries
Long-Lived Assets by Geographical Areas [Line Items]
Property and equipment, net	$ 58,095	$ 38,416

Amount, net of accumulated depreciation, depletion and amortization, of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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