Property And Equipment, Net (Details) (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Property And Equipment, Net [Abstract]
Computer hardware	$ 118,831	$ 115,518
Computer software	251,518	232,657
Furniture and equipment	113,469	115,730
Leasehold improvements	114,329	116,241
Other	15,057	14,716
Property and equipment, cost	613,204	594,862
Accumulated depreciation	(506,780)	(491,211)
Property and equipment, net	$ 106,424	$ 103,651

The carrying amount of gross capitalized computer hardware costs as of the balance sheet date.

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- Definition

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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- Definition

The gross amount of capitalized computer software costs as of the balance sheet date.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 985

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- Definition

Gross amount, at the balance sheet date, of long-lived, depreciable assets commonly used in offices and stores. Examples include desks, chairs, and store fixtures.

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-Publisher AICPA

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- Definition

Gross amount, at the balance sheet date, of long-lived, depreciable assets that are an addition or improvement to assets held under lease arrangement.

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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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- Definition

This element represents capitalized assets classified as property, plant and equipment not otherwise defined in the taxonomy.

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

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