Components of Property and Equipment Net (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Property, Plant and Equipment [Line Items]
Capitalized software development	$ 648,477	$ 473,916
Computer equipment	147,245	157,219
Furniture and other equipment	119,103	98,631
Leasehold improvements	107,376	85,735
Total property and equipment, gross	1,022,201	815,501
Less: accumulated depreciation	(655,301)	(552,241)
Projects in progress	42,473	57,022
Property and equipment, net	$ 409,373	$ 320,282

Computer Equipment Gross

No definition available.

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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 assets under construction that include construction costs to date on capital projects that have not been completed and assets being constructed that are not ready to be placed into service.

+ References

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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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- 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.

+ References

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- Definition

Gross amount 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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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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-Name Regulation S-X (SX)

-Number 210

-Section 03

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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-Paragraph 5

-Subparagraph b, c

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