Equipment, Furniture and Fixtures (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
Apr. 30, 2012	Apr. 30, 2011	Oct. 31, 2011
Property, Plant and Equipment, Net [Abstract]
Equipment, furniture and fixtures, gross	$ 457,841		$ 446,690
Accumulated depreciation and amortization	(342,068)		(324,132)
Equipment, furniture and fixtures, net	115,773		122,558
Equipment, furniture and fixtures (Textuals) [Abstract]
Depreciation of equipment, furniture and fixtures, and amortization of leasehold improvements	29,079	29,367
Equipment Furniture Fixtures And Leasehold Improvements [Member]
Equipment, furniture and fixtures (Textuals) [Abstract]
Depreciation of equipment, furniture and fixtures, and amortization of leasehold improvements	24,900	24,900
Equipment, Furniture and Fixtures [Member]
Property, Plant and Equipment, Net [Abstract]
Equipment, furniture and fixtures, gross	407,301		396,310
Leasehold Improvements [Member]
Property, Plant and Equipment, Net [Abstract]
Equipment, furniture and fixtures, gross	$ 50,540		$ 50,380

The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement.

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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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- Definition

Gross amount, at the balance sheet date, of long-lived physical assets used in the normal conduct of business and not intended for resale. This can 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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- Definition

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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