Property and Equipment, Net (Details) (USD $)	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 622,998,000	$ 623,544,000
Less accumulated depreciation	(436,381,000)	(409,307,000)
Property and equipment, net	186,617,000	214,237,000
Depreciation and amortization	77,300,000	63,700,000	54,800,000
Property and equipment, net reclassified to assets of discontinued operations		3,000,000
Gain on sale of property and equipment	(933,000)	8,061,000	0
Land [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	4,000,000	13,204,000
Buildings [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	10,780,000	13,396,000
Furniture and equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	89,870,000	104,081,000
Capitalized software [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	470,469,000	449,990,000
Leasehold improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 47,879,000	$ 42,873,000

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

For the disposal group, including a component of the entity (discontinued operation), carrying value (net of accumulated depreciation and any write-downs) of 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. 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

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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