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Segment Disclosure (Schedule Of Property And Equipment By Geographic Area) (Details) (USD $) In Thousands, unless otherwise specified	Oct. 31, 2011	Oct. 31, 2010
Segment Reporting Information [Line Items]
Property and Equipment, net	$ 159,517	$ 148,580
United States [Member]
Segment Reporting Information [Line Items]
Property and Equipment, net	121,101	116,781
Other Countries [Member]
Segment Reporting Information [Line Items]
Property and Equipment, net	$ 38,416	$ 31,799

Tangible assets that are held by an entity for use in the production or supply of goods and services, for rental to others, or for administrative purposes and that are expected to provide economic benefit for more than one year; net of accumulated depreciation. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

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